New Contract Requests - December 2018 Contract No. Contractor Contract Title Estimated Contract Value

New Contract Requests - December 2018 Contract No. Contractor Contract Title Estimated Contract Value Date Submitted to Procurement District Representative Procurement Officer -09108 CAISO RC Services Agreement $ 353,000.00 12/3/2018 Jesus Lopez Nicona Butler 430-09122 Taborda Solutions Annual Oracle Software Support Renewal $ 72,583.85 12/5/2018 Sam Lamb Nicona Butler 130-09126 TBD Microsoft Columbia Campus $ 240,000.00 12/5/2018 Eric Hector Aldea Wolther 130-09127 Oath Oath HVAC & UPS $ 193,301.18 12/5/2018 Eric Hector Aldea Wolther 430-08991 Emerson Automation Solutions, Power & Water Solutions Emerson Automation Solutions Services $ 700,000.00 12/6/2018 Jeff Reams Betty Snell 130-09116 TBD Microsoft MWH Campus $ 240,000.00 12/7/2018 Eric Hector Aldea Wolther 430-09141 NAVEX Global, Inc. PolicyTech Subscription $ 37,800.00 12/11/2018 Leah Mauceri Leah Mauceri 230-09112S TBD Touch-Up Painting for Priest Rapids Dam $ 218,000.00 12/12/2018 Gerry McFaul Betty Snell Units 2-4 430-08903SR Thyssenkrupp Elevator Routine Inspection, Maintenance, Repair of $ 250,575.00 12/12/2018 Joseph Boitano Kristin Fleisher Elevator Systems 470-09151 Columbia Ford Lincoln Hyundai Purchase of Seven Ford Escapes $ 165,529.00 12/14/2018 Matthew Wood Nicona Butler 130-09152 Avtec, Inc. ScoutCare Maintenance for Avtec $ 136,697.40 12/18/2018 LeRoy Patterson Nicona Butler Telephone and Radio System -09166 Two replacement SUV as part of the 2019 $ 62,032.00 12/20/2018 Matthew Wood Nicona Butler Replacement plan -09167 One 40' bucket truck replacement from $ 125,387.00 12/20/2018 Matthew Wood Nicona Butler Versalift -09174 Facilities Operation and Condition $ 190,000.00 12/27/2018 Tim Fleisher Nicona Butler 230-09162S TBD Priest Rapids Right Embankment Utility $ 213,000.00 12/28/2018 Brandon Little Kristin Fleisher Relocation -09169 Cisco Catalsyt 4K X4640 blades $ 315,000.00 12/31/2018 Robert Bergman Aldea Wolther 1

Contracts Executed - December 2018 Contract No. Contractor Contract Title Awarded Contract Price Executed Date Completion Date District Representative Procurement Officer 430-09056 Network Computing Architects Fortinet Firewall Services Install $ 31,000.00 12/4/2018 12/31/2018 Kyle Hussey Aldea Wolther Inc. 470-08924 Coleman Oil Co. LLC Supplying Fuel for District Vehicles and Crescent Bar Recreation Center for 2019 $ 701,080.44 12/5/2018 12/31/2019 Mike Phelps Nicona Butler 430-09021 CenturyLink N982576 Grant County PUD PRI ICB Agmt_102418-1 $ 58,500.00 12/6/2018 12/6/2021 Larry Roberson Aldea Wolther 430-09122 Taborda Solutions Annual Oracle Software Support Renewal $ 72,583.85 12/7/2018 11/30/2019 Sam Lamb Nicona Butler 130-08894 North Central ESD Electrical Safety Classroom Instruction $ 104,778.05 12/10/2018 10/31/2021 Chuck Allen Aldea Wolther 130-08715 GE/Alstom Grid, Inc. GE Breaker Training $ 60,000.00 12/10/2018 3/29/2019 William Coe Patrick Bishop 170-09100 Altec Industries Purchase of DM 45 Crane Truck $ 199,689.00 12/12/2018 9/1/2019 Matthew Wood Nicona Butler 430-09054 Right! Systems Inc Technology Consultant Services $ 40,000.00 12/14/2018 12/14/2020 Mark Dean Nicona Butler 130-08756 North Sky Communications Fiber Optic Design and Construction Services 2019-2023 $ 10,000,000.00 12/14/2018 12/31/2023 Russ Brethower Aldea Wolther 130-08155 Loomis Armored US, LLC Armored Car Services $ 375,000.00 12/14/2018 12/31/2023 Taffy Courteau Aldea Wolther 170-08940 Graybar Electric Supplying Two Fluke Versiv Analyzers $ 74,596.46 12/17/2018 12/31/2018 William Coe Patrick Bishop 130-08850 National Wood Treating Labor and Materials to Test and Treat District $ 1,063,887.00 12/17/2018 12/31/2020 William Coe Patrick Bishop Company Distribution Poles 430-09050 Vivid Learning Systems Vivid Learning - LMS $ 36,750.00 12/21/2018 12/31/2019 Nels Hanson Aldea Wolther 470-09151 Columbia Ford Lincoln Hyundai Purchase of Seven Ford Escapes $ 165,529.00 12/28/2018 3/31/2019 Matthew Wood Nicona Butler 1

Closed Contracts - December 2018 Contract No. Contractor Contract Title Current Contract Price Close Out Date District Representative Procurement Officer 130-08223 Fire Protection Specialists LLC Ephrata Headquarters Server Room Fire $ 32,850.00 12/10/2018 Bryan Mickle Nicona Butler Suppression System Update 260-08504 Washington State Department of WDFW OLAFT Facilities Use Agreement $ - 12/13/2018 Rolland O'Connor Cindy Inch Fish & Wildlife 430-07539 Mycoff, Fry & Prouse LLC Recruiting Services for Senior Manager of $ 50,000.00 12/13/2018 Jeffrey Bishop Cindy Inch Finance Planning & Analysis (FP&A) 430-08627 Columbia Ford Lincoln Hyundai Two (2) 2018 Ford F150 $ 63,197.00 12/17/2018 Matthew Wood Nicona Butler 430-08066 Oracle America, Inc. Annual Oracle Software Support Renewal $ 70,399.77 12/17/2018 Sam Lamb Nicona Butler 470-08551 Columbia Ford Lincoln Hyundai Three (3) 2018 Ford Escapes $ 70,491.00 12/17/2018 Matthew Wood Nicona Butler 170-08288 Corwin Ford Tri-Cities Four (4) 2018 Ford F-550 Cab & Chassis $ 165,120.00 12/17/2018 Matthew Wood Nicona Butler 470-08693 Equipment Technology, LLC 2016 Dodge Ram 5500 Truck Chassis - $ 95,738.27 12/17/2018 Matthew Wood Nicona Butler Service Truck 470-08748 Dell Marketing, Inc. Supplying Dell Latitude 5414 Laptops and $ 61,049.70 12/17/2018 Sam Lamb Nicona Butler Extended Service 130-07753 Resources Global Professionals Financial Resource Consulting $ 350,000.00 12/20/2018 Bonnie Overfield Betty Snell 170-08556 Western Peterbilt, Inc. Two (2) Peterbilt Model 567 Cab & Chassis $ 320,664.00 12/27/2018 Matthew Wood Nicona Butler 330-2531 HDR Engineering, Inc. Professional Engineering Services for $ 1,000,000.00 12/31/2018 Jeff Niehenke Betty Snell Wanapum Generator Upgrade 430-3657A Stantec Consulting Services, Inc. General Professional Engineering Services $ 1,000,000.00 12/31/2018 David Beech Lori Englehart-Jewell 1

Contract No. CO No. Cost Change Current Contract Price 430-4255 4 $ - $ 125,000.00 430-08172 2 $ - $ 235,000.00 Northwest Anthropology, LLC 430-4340 2 $ 34,000.00 $ 178,000.00 Strategies 360, Inc. 230-4233 8 $ (2,071.00) $ 261,204.00 430-08332 2 $ - $ 148,238.23 Contractor Contract Title Change Order Description Approval Level CO Executed Date Wood Environment & Seismic Hazard Analysis Infrastructure Solutions, Support Services Inc. Waite Specialty Machine Works, Inc. Krueger Sheet Metal Company 130-08523H 1 $ 2,832.92 $ 2,102,833.15 Potelco, Inc. 430-3328 5 $ - $ 383,606.00 Ross Strategic 430-08446 3 $ 150,000.00 $ 350,000.00 The Atum Group Wanapum Library Development Change Orders Executed - December 2018 State Legislative & Regulatory Affairs Consulting - Strategies 360 Priest Rapids Machine Shop Ephrata Service Center Electric Shop Storage Reroof Mountain View Substation Expansion Construction PRCCHSC Facilitation Services Professional Services Consulting - FP&A Extend the Contract completion date. Extend the Contract completion date. Increase the Contract Price and extend the Contract completion date. Replace Technical Specification Section TS- 10. Decrease the Bid Unit Price of Bid Item No. 4 for Unit 2 only. Extend the Contract completion date. Increase the Contract Price to authorize additonal labor in accordance with Change Order Proposal No. 1. Extend the Contract completion date. Increase the Contract Price and extend the Contract completion date. Department Supervisor Managing Director Senior Manager/Plant Manager Department Manager Department Manager Department Supervisor Department Manager District Representative Contract Completion Date Procurement Officer 12/3/2018 12/31/2019 Kristin Fleisher 12/4/2018 1/25/2020 Lori Englehart- Jewell 12/5/2018 12/31/2019 Aldea Wolther 12/6/2018 12/31/2019 Betty Snell 12/7/2018 2/4/2019 Nicona Butler 12/10/2018 2/22/2019 Patrick Bishop 12/11/2018 1/31/2019 Cindy Inch 12/11/2018 12/31/2019 Cindy Inch 430-4268 2 $ - $ 333,000.00 Geo Services Professional Archaeological and Geological Consulting Services Extend the Contract completion date. Managing Director 12/11/2018 12/31/2020 Lori Englehart- Jewell 130-08061 9 $ 2,559.66 $ 1,011,310.14 Halme Builders, Inc. 430-3998 3 $ - $ 900,000.00 Confluence Health and Associates 430-3762 1 $ 142,282.00 $ 864,360.00 BioAnalysts Incorporated 430-4318 5 $ - $ 1,820,028.80 CESS Facility Building Rebuild Occupational Medical Services Hatchery Monitoring and Evaluations in the Wenatchee Basin Crescent Bar Recreation Central Washington Area Operations and Management Group LLC Maintenance Increase the Contract Price. Replace Revised Appendix "A" - Rate Schedule. Increase the Contract Price, extend the Contract completion date and replace Apendix "A" Rate Schedule. Extend the Contract completion date. 430-3760 4 $ 100,000.00 $ 205,000.00 DataPro Solutions, Inc. Scanning Services Increase the Contract Price. 430-4316 4 $ 138,000.00 $ 478,000.00 Desautel Hege (DH) Web and Graphic Design 430-08120 1 $ 20,000.00 $ 205,000.00 Infuse Strategy, LLC Lean Training and Mentoring Increase the Contract Price and extend the Contract completion date. Increase the Contract Price. Department Manager Senior Manager/Plant Manager Managing Director Department Manager Senior Manager/Plant Manager Senior Manager/Plant Manager Senior Manager/Plant Manager 12/11/2018 2/14/2019 Nicona Butler 12/12/2018 12/31/2020 Aldea Wolther 12/12/2018 8/31/2020 Cindy Inch 12/13/2018 1/31/2019 Cindy Inch 12/14/2018 12/31/2019 Aldea Wolther 12/14/2018 12/31/2019 Aldea Wolther 12/14/2018 12/31/2019 Lori Englehart- Jewell 1

Change Orders Executed - December 2018 Contract No. CO No. Cost Change Current Contract Price Contractor Contract Title Change Order Description Approval Level CO Executed Date Contract Completion Date Procurement Officer 230-2583 19 $ 98,809.00 $ 96,599,385.00 Voith Hydro, Inc. 430-4029 2 $ - $ 1,560,017.75 Del Sol, Inc. 430-4179 3 $ 64,635.12 $ 265,267.51 DataPro Solutions, Inc. 430-07472 2 $ - $ 50,000.00 FocusGeo LLC 430-08506 1 $ - $ 42,000.00 Bourke Business Intelligence 130-4194 3 $ 87,990.15 $ 327,774.51 Cogsdale Priest Rapids Turbine Upgrades District Wide Janitorial Services Licensing and Support Services for File 360 Increase Contract Price for additional work to the existing intermediate head cover and the existing outer head cover. Extend the Contract completion date. Increase the Contract Price and extend the Contract completion date. Department Manager Department Manager Senior Manager/Plant Manager Cultural Resource Geodatabase Maintenance Extend the Contract completion date. Managing Director Stakeholder Relationship Assessment 2016 Cogsdale Support and Maintenance 430-3558 3 $ 60,000.00 $ 196,000.00 Grant County EDC Economic Development 430-2445 7 $ 53,437.00 $ 694,450.54 Bentley System, Incorporated 130-08680 1 $ (15,676.00) $ 345,313.17 Avtec, Inc. 430-08653 1 $ - $ 45,598.00 ATS Inland NW Professional Services for Upgrade and Maintenance of ebid System Supply and Install Telephone System for Ephrata and Moses Lake Control Centers Ephrata Service Center Vehicle Shop HVAC Control System Upgrade Extend the Contract completion date. To extend the Contract term and increase the not to exceed Contract Price. Increase the Contract Price and extend the Contract completion date. Extend the Contract term and increase the NTE Contract Price. Extend the Contract completion date and decrease the NTE Contract Price. Extend the Contract completion date. Senior Manager/Plant Manager Senior Manager/Plant Manager Senior Manager/Plant Manager District Representative Managing Director Department Manager 12/17/2018 12/31/2027 Betty Snell 12/20/2018 1/31/2019 Nicona Butler 12/21/2018 12/31/2019 Nicona Butler 12/21/2018 3/31/2019 Lori Englehart- Jewell 12/21/2018 6/1/2019 Aldea Wolther 12/24/2018 12/31/2019 Nicona Butler 12/27/2018 12/31/2020 Aldea Wolther 12/28/2018 12/31/2019 Nicona Butler 12/29/2018 1/31/2019 Nicona Butler 12/30/2018 1/31/2019 Nicona Butler 2

Wanapum Public Utility District of Grant County, Ephrata, Washington MONTHLY REPORT OF POWER OPERATIONS May 2018 Installed Capacity (A) 1,103,000 kw Hours Plant Operated: 744 Gross Generation (B) 489,336,800 Plant Use 675,400 Max. Hourly Generation (C) 783,400 Net Generation 488,661,400 Time of Max. Hourly Gen. 05/01/2018 0600 Water for Generation (D) 7,644,150 A.F. Plant Factor 59.63% Water Bypassed (E) 10,569,090 A.F. Utilization Factor 71.02% Water for Fish (F) 129,270 A.F. Water Factor: 41.67% Average Hydraulic Head: 72.2 Feet UNIT SERVICE RECORD Unit No Monthly Gen. (mwh) Hrs. Operation Hrs Down For Maint. Availability Factor (G) Nature of Maintenance W-1 50,321 661.32 0.00 1.00 W-2 54,360 723.42 8.63 0.99 Exciter Undervoltage Condition SEL 300G-1 W-3 55,222 743.45 0.00 1.00 Repair leaking Thrust Bearing Cooling Water Discharge Pipe W-4 54,531 735.30 8.17 0.99 Slip ring maintenance W-5 55,053 743.83 0.00 1.00 W-6 52,779 711.92 31.93 0.96 for Noise Investigation on Rotor W-7 55,628 744.00 0.00 1.00 W-8 0 0.00 744.00 0.00 Generator Replacement W-9 55,649 744.00 0.00 1.00 W-10 55,793 744.00 0.00 1.00 Plant Factor = (B) * 100 (A) * Hours in Month (G) Availability Factor= Hours in Month - Hours Down for Maint. Hours in Month Utiization Factor = (C) * 100 (A) Water Factor = (D) * 100 (D) + (E) + (F)

Plant Service Interruptions Plant: WANAPUM May, 2018 Duration Circuit Breaker Relays Operated Date Time Month Total Unit Tripped Type Cause Remarks 05/01/2018 0000 744:00 7145:14 W-8 W-832 MAN 11 Generator Replacement 05/01/2018 0643 8:10 8:10 W-4 W-432 MAN 11 Slip ring maintenance 05/02/2018 0619 8:07 8:07 W-2 W-232 MAN 11 Repair leaking Thrust Bearing Cooling Water Discharge Pipe 05/19/2018 1653 0:13 0:13 W-2 W-232 OTH 14 Exciter Undervoltage Condition SEL 300G-1 05/21/2018 1117 0:18 0:18 W-2 W-232 OTH 14 Exciter Undervoltage Condition SEL 300G-1 05/30/2018 0627 31:56 31:56 W-6 W-632 MAN 11 for Noise Investigation on Rotor Relay Types: Causes: MAN - Manual OC - Overcurrent DIFF - Differential FREQ - Frequency GRD - Ground V - Voltage THER - Thermal TRIP - 86E Trip OTH - Other 1 Lightning 2 All other weather 3 Trees, etc. into line 4 Malicious damage 5 Line down 6 Defective equipment 7 Inadequate system 8 Trouble on another system 9 Operation error 10 Relay error 12 Cause unknown 11 Prearranged outage 13 Computer control 14 Other 06/04/2018 06:54:58 AM Page 1 of 1

WANAPUM POWERPLANT GENERATION SUMMARY MAY 2016 GENERATION (MWH) MAINTENANCE HOURS 100% RATED UNIT INSTALLED CAPACITY CURRENT YTD CURRENT YTD W-1 112.00 50,321 288,126 0.00 107.75 W-2 112.00 54,360 305,894 8.63 (A) 21.73 W-3 112.00 55,222 297,780 0.00 11.92 W-4 103.80 54,531 298,271 8.17 (B) 12.02 W-5 112.00 55,053 231,093 0.00 600.42 W-6 112.00 52,779 299,943 31.93 (C) 50.16 W-7 112.00 55,628 302,607 0.00 33.98 W-8 103.80 0 0 744.00 (D) 3,623.00 W-9 112.00 55,649 303,460 0.00 8.90 W-10 112.00 55,793 302,822 0.00 8.68 PROJECT TOTAL: 1103.60 489,336 2,629,996 792.73 4,478.56 PLANT USE: 675 3,511 NET GENERATION: 488,661 2,626,485 PLANT RATING CURVE CAPACITY BASED ON 40 YR WATER 996,910 (A) Exciter Undervoltage Condition SEL 300G-1 and Repair Leaking Thrust Bearing Cooling Water Discharge Pipe (B) Slip Ring Maintenance (C) Noise Investigation on Rotor (D) Generator Replacement WANGENSUM.XLS

WANAPUM POWERPLANT WATER UTILIZATION MAY 2018 WATER UTILIZED (ACRE FEET) EQUIVALENT ENERGY (MWH) TOTAL RIVER FLOW 18,342,510 1,174,187 GENERATION 7,644,150 489,337 FISH FACILITIES 129,270 8,275 FISH SPILL 1,260,394 80,684 9,308,696 595,892

Wanapum Water Utilization Report May 2018 MONTHLY WATER USAGE FISH FACILITIES 1% FISH SPILL 7% 51% GENERATION 41% GENERATION FISH FACILITIES FISH SPILL YEAR TO DATE WATER USAGE FISH SPILL 3% 21% FISH FACILITIES 1% GENERATION 75% GENERATION FISH FACILITIES FISH SPILL

Plant Service Interruptions Plant: PRIEST RAPIDS May, 2018 Duration Circuit Breaker Relays Operated Date Time Month Total Unit Tripped Type Cause Remarks 05/01/2018 0000 744:00 2943:48 P-2 232 OTH 11 P-02 Turbine Replacement 05/01/2018 0709 32:31 32:31 P-10 1032 MAN 14 Going Under CLRS For Meter Replacement 05/08/2018 0745 0:07 0:07 P-8 832 OTH 12 65SD 05/16/2018 1041 26:58 26:58 P-9 932 MAN 14 Investigate Wobble in Turbine Guide Bearing 05/24/2018 0652 0:22 0:22 P-8 832 GRD 12 Line 2 Trip A Phase to Ground 05/24/2018 0652 0:22 0:22 P-5 532 GRD 12 Line 2 Trip A Phase to Ground 05/24/2018 0652 0:22 0:22 P-6 632 GRD 12 Line 2 Trip A Phase to Ground 05/24/2018 0652 0:22 0:22 P-7 732 GRD 12 Line 2 Trip A Phase to Ground 05/28/2018 2301 1:00 1:00 P-3 332 OTH 12 Midway 230 KV Bkr OPENED for unknown reason per BPA system operator Carlson (Black) 05/28/2018 2301 1:00 1:00 P-1 132 OTH 12 Midway 230 KV Bkr OPENED for unknown reason per BPA system operator Carlson (Black) 05/28/2018 2305 0:56 0:56 P-4 432 OTH 12 Midway 230 KV Bkr OPENED for unknown reason per BPA system operator Carlson (Black) Relay Types: Causes: MAN - Manual OC - Overcurrent DIFF - Differential FREQ - Frequency GRD - Ground V - Voltage THER - Thermal TRIP - 86E Trip OTH - Other 1 Lightning 2 All other weather 3 Trees, etc. into line 4 Malicious damage 5 Line down 6 Defective equipment 7 Inadequate system 8 Trouble on another system 9 Operation error 10 Relay error 12 Cause unknown 11 Prearranged outage 13 Computer control 14 Other 06/18/2018 11:44:42 AM Page 1 of 1

PRIEST RAPIDS POWERPLANT GENERATION SUMMARY MAY 2018 GENERATION (MWH) MAINTENANCE HOURS 100% RATED UNIT INSTALLED CAPACITY CURRENT YTD CURRENT YTD P-1 95.00 46,006 259,349 1.00 (A) 13.06 P-2 97.80 0 50,341 744.00 (B) 2,943.80 P-3 95.00 46,141 260,583 1.00 (A) 3.67 P-4 95.00 47,961 279,926 0.93 (A) 36.33 P-5 95.00 54,815 285,145 0.37 (C) 37.15 P-6 95.00 45,930 259,022 0.37 (C) 34.31 P-7 95.00 45,024 255,711 0.37 (C) 8.47 P-8 95.00 51,514 297,685 0.48 (C) 5.45 P-9 97.80 44,239 170,875 26.97 (D) 1,199.46 P-10 95.00 30,239 239,781 32.52 (E) 40.12 PROJECT TOTAL: 955.60 411,869 2,358,418 808.01 4,321.82 PLANT USE: 1,234 4,511 NET GENERATION: 410,635 2,353,907 PLANT RATING CURVE CAPACITY BASED ON 40 YR WATER 912,300 (A) Midway 230 KV Breaker Opened for Unknown Reason per BPA Systems Operator Carlson (B) Turbine/ Generator Rehab (C) Line 2 Trip A Phase to Ground (D) Investigate Wobble in Turbine Guide Bearing (E) Meter Replacement PRGENSUM.XLS

PRIEST RAPIDS POWERPLANT WATER UTILIZATION MAY 2018 WATER UTILIZED (ACRE FEET) EQUIVALENT ENERGY (MWH) TOTAL RIVER FLOW 18,875,020 987,161 GENERATION 7,735,610 404,571 FISH FACILITIES 93,210 4,875 FISH SPILL 1,225,807 64,110 9,820,393 513,605

PRIEST RAPIDS WATER UTILIZATION REPORT MAY 2018 MONTHLY WATER USAGE FISH FACILITIES 0% 52% FISH SPILL 7% GENERATION 41% GENERATION FISH FACILITIES FISH SPILL YEAR TO DATE WATER USAGE FISH SPILL 2% 24% FISH FACILITIES 1% GENERATION 73% GENERATION FISH FACILITIES FISH SPILL

Wanapum Public Utility District of Grant County, Ephrata, Washington MONTHLY REPORT OF POWER OPERATIONS June 2018 Installed Capacity (A) 1,103,000 kw Hours Plant Operated: 720 Gross Generation (B) 515,585,100 Plant Use 636,500 Max. Hourly Generation (C) 806,500 Net Generation 514,948,600 Time of Max. Hourly Gen. 06/30/2018 2100 Water for Generation (D) 7,610,400 A.F. Plant Factor 64.92% Water Bypassed (E) 3,710,880 A.F. Utilization Factor 73.12% Water for Fish (F) 125,100 A.F. Water Factor: 66.49% Average Hydraulic Head: 76.2 Feet UNIT SERVICE RECORD Unit No Monthly Gen. (mwh) Hrs. Operation Hrs Down For Maint. Availability Factor (G) Nature of Maintenance W-1 53,601 655.98 0.00 1.00 W-2 57,401 706.95 1.58 1.00 Exciter Repair Exciter Trip, 5C and 86 Gov. W-3 57,147 712.18 0.00 1.00 W-4 57,771 720.00 0.00 1.00 W-5 57,581 720.00 0.00 1.00 W-6 57,685 720.00 0.00 1.00 W-7 58,110 720.00 0.00 1.00 W-8 0 0.00 720.00 0.00 Generator Replacement W-9 58,023 720.00 0.00 1.00 W-10 58,266 720.00 0.00 1.00 Plant Factor = (B) * 100 (A) * Hours in Month (G) Availability Factor= Hours in Month - Hours Down for Maint. Hours in Month Utiization Factor = (C) * 100 (A) Water Factor = (D) * 100 (D) + (E) + (F)

Plant Service Interruptions Plant: WANAPUM June, 2018 Duration Circuit Breaker Relays Operated Date Time Month Total Unit Tripped Type Cause Remarks 06/01/2018 0000 720:00 7865:14 W-8 W-832 MAN 11 Generator Replacement 06/02/2018 0734 0:39 0:39 W-2 W-232 OTH 14 Exciter Trip, 5C and 86 Gov. 06/20/2018 0919 0:56 0:56 W-2 W-232 MAN 11 Exciter Repair Relay Types: Causes: MAN - Manual OC - Overcurrent DIFF - Differential FREQ - Frequency GRD - Ground V - Voltage THER - Thermal TRIP - 86E Trip OTH - Other 1 Lightning 2 All other weather 3 Trees, etc. into line 4 Malicious damage 5 Line down 6 Defective equipment 7 Inadequate system 8 Trouble on another system 9 Operation error 10 Relay error 12 Cause unknown 11 Prearranged outage 13 Computer control 14 Other 07/02/2018 06:33:25 AM Page 1 of 1

WANAPUM POWERPLANT GENERATION SUMMARY JUNE 2018 GENERATION (MWH) MAINTENANCE HOURS 100% RATED UNIT INSTALLED CAPACITY CURRENT YTD CURRENT YTD W-1 112.00 53,601 341,727 0.00 107.75 W-2 112.00 57,401 363,295 1.58 (A) 23.31 W-3 112.00 57,147 354,927 0.00 11.92 W-4 103.80 57,771 356,042 0.00 12.02 W-5 112.00 57,581 288,674 0.00 600.42 W-6 112.00 57,685 357,628 0.00 50.16 W-7 112.00 58,110 360,717 0.00 33.98 W-8 103.80 0 0 720.00 (B) 4,343.00 W-9 112.00 58,023 361,483 0.00 8.90 W-10 112.00 58,266 361,088 0.00 8.68 PROJECT TOTAL: 1103.60 515,585 3,145,581 721.58 5,200.14 PLANT USE: 637 4,147 NET GENERATION: 514,949 3,141,434 PLANT RATING CURVE CAPACITY BASED ON 40 YR WATER 996,910 (A) Exciter Repair (B) Generator Replacement WANGENSUM.XLS

WANAPUM POWERPLANT WATER UTILIZATION JUNE 2018 WATER UTILIZED (ACRE FEET) EQUIVALENT ENERGY (MWH) TOTAL RIVER FLOW 11,446,380 775,463 GENERATION 7,610,400 515,585 FISH FACILITIES 125,100 8,475 FISH SPILL 1,182,981 80,144 2,527,899 171,259

Wanapum Water Utilization Report June 2018 MONTHLY WATER USAGE 22% FISH SPILL 10% FISH FACILITIES 1% GENERATION 67% GENERATION FISH FACILITIES FISH SPILL YEAR TO DATE WATER USAGE 21% FISH SPILL 5% FISH FACILITIES 1% GENERATION 73% GENERATION FISH FACILITIES FISH SPILL

Priest Rapids Public Utility District of Grant County, Ephrata, Washington MONTHLY REPORT OF POWER OPERATIONS June 2018 Installed Capacity (A) 955,600 kw Hours Plant Operated: 720 Gross Generation (B) 421,722,300 Plant Use 1,263,700 Max. Hourly Generation (C) 739,000 Net Generation 420,458,600 Time of Max. Hourly Gen. 06/23/2018 1400 Water for Generation (D) 7,066,380 A.F. Plant Factor 61.29% Water Bypassed (E) 4,274,530 A.F. Utilization Factor 77.33% Water for Fish (F) 77,400 A.F. Water Factor: 61.89% Average Hydraulic Head: 69.5 Feet UNIT SERVICE RECORD Unit No Monthly Gen. (mwh) Hrs. Operation Hrs Down For Maint. Availability Factor (G) Nature of Maintenance P-1 46,601 719.47 0.00 1.00 P-2 0 0.00 720.00 0.00 P-02 Turbine Replacement P-3 46,663 720.00 0.00 1.00 P-4 49,186 719.83 0.00 1.00 P-5 48,611 719.42 0.00 1.00 P-6 46,766 717.92 0.00 1.00 P-7 46,217 705.42 0.00 1.00 P-8 55,293 717.82 0.00 1.00 P-9 42,832 646.90 29.75 0.96 Servo sleeve malfunction P-10 39,554 602.35 0.00 1.00 Plant Factor = (B) * 100 (A) * Hours in Month (G) Availability Factor= Hours in Month - Hours Down for Maint. Hours in Month Utiization Factor = (C) * 100 (A) Water Factor = (D) * 100 (D) + (E) + (F)

Plant Service Interruptions Plant: PRIEST RAPIDS June, 2018 Duration Circuit Breaker Relays Operated Date Time Month Total Unit Tripped Type Cause Remarks 06/01/2018 0000 720:00 3663:48 P-2 232 OTH 11 P-02 Turbine Replacement 06/04/2018 1111 29:45 29:45 P-9 932 MAN 6 Servo sleeve malfunction Relay Types: Causes: MAN - Manual OC - Overcurrent DIFF - Differential FREQ - Frequency GRD - Ground V - Voltage THER - Thermal TRIP - 86E Trip OTH - Other 1 Lightning 2 All other weather 3 Trees, etc. into line 4 Malicious damage 5 Line down 6 Defective equipment 7 Inadequate system 8 Trouble on another system 9 Operation error 10 Relay error 12 Cause unknown 11 Prearranged outage 13 Computer control 14 Other 07/02/2018 08:41:21 AM Page 1 of 1

PRIEST RAPIDS POWERPLANT GENERATION SUMMARY JUNE 2018 GENERATION (MWH) MAINTENANCE HOURS 100% RATED UNIT INSTALLED CAPACITY CURRENT YTD CURRENT YTD P-1 95.00 46,601 305,950 0.00 13.06 P-2 97.80 0 50,341 720.00 (A) 3,663.80 P-3 95.00 46,663 307,246 0.00 3.67 P-4 95.00 49,186 329,112 0.00 36.33 P-5 95.00 48,611 333,756 0.00 37.15 P-6 95.00 46,766 305,788 0.00 34.31 P-7 95.00 46,217 301,928 0.00 8.47 P-8 95.00 55,293 352,978 0.00 5.45 P-9 97.80 42,832 213,707 29.75 (B) 1,229.21 P-10 95.00 39,554 279,335 0.00 40.12 PROJECT TOTAL: 955.60 421,723 2,780,141 749.75 5,071.57 PLANT USE: 1,264 5,775 NET GENERATION: 420,459 2,774,366 PLANT RATING CURVE CAPACITY BASED ON 40 YR WATER 912,300 (A) Turbine Generator Replacement (B) Servo Sleeve Malfunction PRGENSUM.XLS

PRIEST RAPIDS POWERPLANT WATER UTILIZATION JUNE 2018 WATER UTILIZED (ACRE FEET) EQUIVALENT ENERGY (MWH) TOTAL RIVER FLOW 11,418,310 681,446 GENERATION 7,066,380 421,722 FISH FACILITIES 77,400 4,619 FISH SPILL 1,181,071 70,486 3,093,459 184,618

PRIEST RAPIDS WATER UTILIZATION REPORT JUNE 2018 MONTHLY WATER USAGE 27% FISH SPILL 10% FISH FACILITIES 1% GENERATION 62% GENERATION FISH FACILITIES FISH SPILL YEAR TO DATE WATER USAGE 24% FISH SPILL 4% FISH FACILITIES 1% GENERATION 71% GENERATION FISH FACILITIES FISH SPILL

Wanapum Public Utility District of Grant County, Ephrata, Washington MONTHLY REPORT OF POWER OPERATIONS July 2018 Installed Capacity (A) 1,103,000 kw Hours Plant Operated: 744 Gross Generation (B) 475,070,300 Plant Use 710,200 Max. Hourly Generation (C) 802,400 Net Generation 474,360,100 Time of Max. Hourly Gen. 07/10/2018 0200 Water for Generation (D) 6,819,040 A.F. Plant Factor 57.89% Water Bypassed (E) 1,275,850 A.F. Utilization Factor 72.75% Water for Fish (F) 129,270 A.F. Water Factor: 82.91% Average Hydraulic Head: 78.3 Feet UNIT SERVICE RECORD Unit No Monthly Gen. (mwh) Hrs. Operation Hrs Down For Maint. Availability Factor (G) Nature of Maintenance W-1 40,886 491.47 0.00 1.00 W-2 51,169 625.63 0.00 1.00 W-3 30,322 385.07 269.87 0.64 Investigate/Repair oil leak. (Gehling) W-4 55,368 687.28 0.00 1.00 W-5 57,776 720.92 0.00 1.00 W-6 59,329 739.13 0.00 1.00 W-7 59,967 741.37 0.00 1.00 W-8 0 0.00 744.00 0.00 Generator Replacement W-9 60,018 742.98 0.00 1.00 W-10 60,236 742.80 0.00 1.00 Plant Factor = (B) * 100 (A) * Hours in Month (G) Availability Factor= Hours in Month - Hours Down for Maint. Hours in Month Utiization Factor = (C) * 100 (A) Water Factor = (D) * 100 (D) + (E) + (F)

Plant Service Interruptions Plant: WANAPUM July, 2018 Duration Circuit Breaker Relays Operated Date Time Month Total Unit Tripped Type Cause Remarks 07/01/2018 0000 744:00 8609:14 W-8 W-832 MAN 11 Generator Replacement 07/16/2018 0930 269:52 269:52 W-3 W-332 MAN 14 Investigate/Repair oil leak. (Gehling) Relay Types: Causes: MAN - Manual OC - Overcurrent DIFF - Differential FREQ - Frequency GRD - Ground V - Voltage THER - Thermal TRIP - 86E Trip OTH - Other 1 Lightning 2 All other weather 3 Trees, etc. into line 4 Malicious damage 5 Line down 6 Defective equipment 7 Inadequate system 8 Trouble on another system 9 Operation error 10 Relay error 12 Cause unknown 11 Prearranged outage 13 Computer control 14 Other 08/07/2018 08:36:40 AM Page 1 of 1

WANAPUM POWERPLANT GENERATION SUMMARY JULY 2018 GENERATION (MWH) MAINTENANCE HOURS 100% RATED UNIT INSTALLED CAPACITY CURRENT YTD CURRENT YTD W-1 112.00 40,886 382,613 0.00 107.75 W-2 112.00 51,169 414,464 0.00 23.31 W-3 112.00 30,322 385,249 269.87 (A) 281.79 W-4 103.80 55,368 411,410 0.00 12.02 W-5 112.00 57,776 346,450 0.00 600.42 W-6 112.00 59,329 416,957 0.00 50.16 W-7 112.00 59,967 420,684 0.00 33.98 W-8 103.80 0 0 744.00 (B) 5,087.00 W-9 112.00 60,018 421,501 0.00 8.90 W-10 112.00 60,236 421,324 0.00 8.68 PROJECT TOTAL: 1103.60 475,071 3,620,652 1,013.87 6,214.01 PLANT USE: 710 4,857 NET GENERATION: 474,361 3,615,795 PLANT RATING CURVE CAPACITY BASED ON 40 YR WATER 996,910 (A) Investigate/Repair Oil Leak (B) Generator Replacement WANGENSUM.XLS

WANAPUM POWERPLANT WATER UTILIZATION JULY 2018 WATER UTILIZED (ACRE FEET) EQUIVALENT ENERGY (MWH) TOTAL RIVER FLOW 8,224,160 572,962 GENERATION 6,819,040 475,070 FISH FACILITIES 129,270 9,006 FISH SPILL 1,188,179 82,778 87,671 6,108

Wanapum Water Utilization Report July 2018 MONTHLY WATER USAGE FISH SPILL 14% 1% FISH FACILITIES 2% GENERATION 83% GENERATION FISH FACILITIES FISH SPILL YEAR TO DATE WATER USAGE FISH SPILL 6% 19% FISH FACILITIES 1% GENERATION 74% GENERATION FISH FACILITIES FISH SPILL

Priest Rapids Public Utility District of Grant County, Ephrata, Washington MONTHLY REPORT OF POWER OPERATIONS July 2018 Installed Capacity (A) 955,600 kw Hours Plant Operated: 744 Gross Generation (B) 422,072,900 Plant Use 1,490,000 Max. Hourly Generation (C) 737,200 Net Generation 420,582,900 Time of Max. Hourly Gen. 07/02/2018 1000 Water for Generation (D) 6,662,690 A.F. Plant Factor 59.37% Water Bypassed (E) 1,274,300 A.F. Utilization Factor 77.15% Water for Fish (F) 79,980 A.F. Water Factor: 83.11% Average Hydraulic Head: 73.4 Feet UNIT SERVICE RECORD Unit No Monthly Gen. (mwh) Hrs. Operation Hrs Down For Maint. Availability Factor (G) Nature of Maintenance P-1 49,276 744.00 0.00 1.00 P-2 0 0.00 744.00 0.00 P-02 Turbine Replacement P-3 49,262 743.12 0.00 1.00 P-4 52,695 741.72 0.00 1.00 P-5 51,640 738.53 0.00 1.00 P-6 48,472 729.18 0.00 1.00 P-7 46,942 701.05 0.00 1.00 P-8 54,628 687.83 0.25 1.00 65SD-5C Cause of Initiation Unknown P-9 37,759 562.08 0.00 1.00 P-10 31,400 465.27 0.00 1.00 Plant Factor = (B) * 100 (A) * Hours in Month (G) Availability Factor= Hours in Month - Hours Down for Maint. Hours in Month Utiization Factor = (C) * 100 (A) Water Factor = (D) * 100 (D) + (E) + (F)

Plant Service Interruptions Plant: PRIEST RAPIDS July, 2018 Duration Circuit Breaker Relays Operated Date Time Month Total Unit Tripped Type Cause Remarks 07/01/2018 0000 744:00 4407:48 P-2 232 OTH 11 P-02 Turbine Replacement 07/31/2018 0955 0:15 0:15 P-8 832 OTH 12 65SD-5C Cause of Initiation Unknown Relay Types: Causes: MAN - Manual OC - Overcurrent DIFF - Differential FREQ - Frequency GRD - Ground V - Voltage THER - Thermal TRIP - 86E Trip OTH - Other 1 Lightning 2 All other weather 3 Trees, etc. into line 4 Malicious damage 5 Line down 6 Defective equipment 7 Inadequate system 8 Trouble on another system 9 Operation error 10 Relay error 12 Cause unknown 11 Prearranged outage 13 Computer control 14 Other 08/07/2018 08:22:31 AM Page 1 of 1

PRIEST RAPIDS POWERPLANT GENERATION SUMMARY JULY 2018 GENERATION (MWH) MAINTENANCE HOURS 100% RATED UNIT INSTALLED CAPACITY CURRENT YTD CURRENT YTD P-1 95.00 49,276 355,226 0.00 13.06 P-2 97.80 0 50,341 744.00 (A) 4,407.80 P-3 95.00 49,262 356,508 0.00 3.67 P-4 95.00 52,695 381,807 0.00 36.33 P-5 95.00 51,640 385,396 0.00 37.15 P-6 95.00 48,472 354,260 0.00 34.31 P-7 95.00 46,942 348,870 0.00 8.47 P-8 95.00 54,628 407,606 0.25 (B) 5.70 P-9 97.80 37,759 251,466 0.00 1,229.21 P-10 95.00 31,400 310,735 0.00 40.12 PROJECT TOTAL: 955.60 422,074 3,202,215 744.25 5,815.82 PLANT USE: 1,490 7,265 NET GENERATION: 420,584 3,194,950 PLANT RATING CURVE CAPACITY BASED ON 40 YR WATER 912,300 (A) Turbine Generator Replacement (B) 65SD-5C Cause of Initiation Unknown PRGENSUM.XLS

PRIEST RAPIDS POWERPLANT WATER UTILIZATION JULY 2018 WATER UTILIZED (ACRE FEET) EQUIVALENT ENERGY (MWH) TOTAL RIVER FLOW 8,016,970 507,865 GENERATION 6,662,690 422,073 FISH FACILITIES 79,980 5,067 FISH SPILL 1,142,129 72,352 132,171 8,373

PRIEST RAPIDS WATER UTILIZATION REPORT JULY 2018 MONTHLY WATER USAGE FISH SPILL 14% 2% FISH FACILITIES 1% GENERATION 83% GENERATION FISH FACILITIES FISH SPILL YEAR TO DATE WATER USAGE FISH SPILL 5% 22% FISH FACILITIES 0% GENERATION 73% GENERATION FISH FACILITIES FISH SPILL

Wanapum Public Utility District of Grant County, Ephrata, Washington MONTHLY REPORT OF POWER OPERATIONS August 2018 Installed Capacity (A) 1,103,000 kw Hours Plant Operated: 744 Gross Generation (B) 395,255,200 Plant Use 724,500 Max. Hourly Generation (C) 942,900 Net Generation 394,530,700 Time of Max. Hourly Gen. 08/25/2018 0700 Water for Generation (D) 5,703,880 A.F. Plant Factor 48.16% Water Bypassed (E) 698,640 A.F. Utilization Factor 85.49% Water for Fish (F) 129,270 A.F. Water Factor: 87.32% Average Hydraulic Head: 78.8 Feet UNIT SERVICE RECORD Unit No Monthly Gen. (mwh) Hrs. Operation Hrs Down For Maint. Availability Factor (G) Nature of Maintenance W-1 34,428 427.67 0.00 1.00 W-2 41,256 518.58 0.00 1.00 W-3 37,969 478.60 0.00 1.00 W-4 35,534 445.10 0.00 1.00 W-5 35,798 454.43 0.00 1.00 W-6 52,637 674.53 0.00 1.00 W-7 53,600 680.28 0.00 1.00 W-8 0 0.00 744.00 0.00 Generator Replacement W-9 51,565 653.40 0.00 1.00 W-10 52,470 660.20 0.00 1.00 Plant Factor = (B) * 100 (A) * Hours in Month (G) Availability Factor= Hours in Month - Hours Down for Maint. Hours in Month Utiization Factor = (C) * 100 (A) Water Factor = (D) * 100 (D) + (E) + (F)

Plant Service Interruptions Plant: WANAPUM August, 2018 Duration Circuit Breaker Relays Operated Date Time Month Total Unit Tripped Type Cause Remarks 08/01/2018 0000 744:00 9353:14 W-8 W-832 MAN 11 Generator Replacement Relay Types: Causes: MAN - Manual OC - Overcurrent DIFF - Differential FREQ - Frequency GRD - Ground V - Voltage THER - Thermal TRIP - 86E Trip OTH - Other 1 Lightning 2 All other weather 3 Trees, etc. into line 4 Malicious damage 5 Line down 6 Defective equipment 7 Inadequate system 8 Trouble on another system 9 Operation error 10 Relay error 12 Cause unknown 11 Prearranged outage 13 Computer control 14 Other 09/04/2018 06:14:13 AM Page 1 of 1

WANAPUM POWERPLANT GENERATION SUMMARY AUGUST 2018 GENERATION (MWH) MAINTENANCE HOURS 100% RATED UNIT INSTALLED CAPACITY CURRENT YTD CURRENT YTD W-1 112.00 34,428 417,041 0.00 107.75 W-2 112.00 41,256 455,720 0.00 23.31 W-3 112.00 37,969 423,218 0.00 281.79 W-4 103.80 35,534 446,944 0.00 12.02 W-5 112.00 35,798 382,248 0.00 600.42 W-6 112.00 52,637 469,594 0.00 50.16 W-7 112.00 53,600 474,284 0.00 33.98 W-8 103.80 0 0 744.00 (A) 5,831.00 W-9 112.00 51,565 473,066 0.00 8.90 W-10 112.00 52,470 473,794 0.00 8.68 PROJECT TOTAL: 1103.60 395,257 4,015,909 744.00 6,958.01 PLANT USE: 725 5,582 NET GENERATION: 394,533 4,010,327 PLANT RATING CURVE CAPACITY BASED ON 40 YR WATER 996,910 (A) Generator Replacement WANGENSUM.XLS

WANAPUM POWERPLANT WATER UTILIZATION AUGUST 2018 WATER UTILIZED (ACRE FEET) EQUIVALENT ENERGY (MWH) TOTAL RIVER FLOW 6,531,790 452,626 GENERATION 5,703,880 395,255 FISH FACILITIES 129,270 8,958 FISH SPILL 645,631 44,740 53,009 3,673

Wanapum Water Utilization Report August 2018 MONTHLY WATER USAGE FISH SPILL 10% 1% FISH FACILITIES 2% GENERATION 87% GENERATION FISH FACILITIES FISH SPILL YEAR TO DATE WATER USAGE FISH SPILL 6% 17% FISH FACILITIES 1% GENERATION 76% GENERATION FISH FACILITIES FISH SPILL

Priest Rapids Public Utility District of Grant County, Ephrata, Washington MONTHLY REPORT OF POWER OPERATIONS August 2018 Installed Capacity (A) 955,600 kw Hours Plant Operated: 744 Gross Generation (B) 352,883,200 Plant Use 1,486,300 Max. Hourly Generation (C) 757,300 Net Generation 351,396,900 Time of Max. Hourly Gen. 08/25/2018 1100 Water for Generation (D) 5,495,830 A.F. Plant Factor 49.63% Water Bypassed (E) 759,350 A.F. Utilization Factor 79.25% Water for Fish (F) 72,450 A.F. Water Factor: 86.85% Average Hydraulic Head: 75.7 Feet UNIT SERVICE RECORD Unit No Monthly Gen. (mwh) Hrs. Operation Hrs Down For Maint. Availability Factor (G) Nature of Maintenance P-1 51,546 741.10 0.00 1.00 P-2 0 0.00 744.00 0.00 P-02 Turbine Replacement P-3 50,862 727.78 0.00 1.00 P-4 47,057 660.75 0.00 1.00 P-5 42,217 597.25 0.00 1.00 P-6 42,781 620.63 4.33 0.99 Replace transducer and brake pressure gauge P-7 37,535 537.32 0.00 1.00 P-8 31,308 393.05 0.58 1.00 65SD GOV SUMP LOW P-9 27,109 385.55 0.55 1.00 Excessive swings of MWAR and MW P-10 22,467 316.45 0.00 1.00 Plant Factor = (B) * 100 (A) * Hours in Month (G) Availability Factor= Hours in Month - Hours Down for Maint. Hours in Month Utiization Factor = (C) * 100 (A) Water Factor = (D) * 100 (D) + (E) + (F)

Plant Service Interruptions Plant: PRIEST RAPIDS August, 2018 Duration Circuit Breaker Relays Operated Date Time Month Total Unit Tripped Type Cause Remarks 08/01/2018 0000 744:00 5151:48 P-2 232 OTH 11 P-02 Turbine Replacement 08/06/2018 0708 4:20 4:20 P-6 632 MAN 11 Replace transducer and brake pressure gauge 08/25/2018 0217 0:35 0:35 P-8 832 OTH 14 65SD GOV SUMP LOW 08/28/2018 1237 0:33 0:33 P-9 932 MAN 14 Excessive swings of MWAR and MW Relay Types: Causes: MAN - Manual OC - Overcurrent DIFF - Differential FREQ - Frequency GRD - Ground V - Voltage THER - Thermal TRIP - 86E Trip OTH - Other 1 Lightning 2 All other weather 3 Trees, etc. into line 4 Malicious damage 5 Line down 6 Defective equipment 7 Inadequate system 8 Trouble on another system 9 Operation error 10 Relay error 12 Cause unknown 11 Prearranged outage 13 Computer control 14 Other 09/04/2018 07:14:05 AM Page 1 of 1

PRIEST RAPIDS POWERPLANT GENERATION SUMMARY AUGUST 2018 GENERATION (MWH) MAINTENANCE HOURS 100% RATED UNIT INSTALLED CAPACITY CURRENT YTD CURRENT YTD P-1 95.00 51,546 406,772 0.00 13.06 P-2 97.80 0 50,341 744.00 (A) 5,151.80 P-3 95.00 50,862 407,370 0.00 3.67 P-4 95.00 47,057 428,864 0.00 36.33 P-5 95.00 42,217 427,613 0.00 37.15 P-6 95.00 42,781 397,041 4.33 (B) 38.64 P-7 95.00 37,535 386,405 0.00 8.47 P-8 95.00 31,308 438,914 0.58 (C) 6.28 P-9 97.80 27,109 278,575 0.55 (D) 1,229.76 P-10 95.00 22,467 333,202 0.00 40.12 PROJECT TOTAL: 955.60 352,882 3,555,097 749.46 6,565.28 PLANT USE: 1,486 8,751 NET GENERATION: 351,396 3,546,346 PLANT RATING CURVE CAPACITY BASED ON 40 YR WATER 912,300 (A) Turbine Generator Replacement (B) Replace Transducer and Brake Pressure Gauge (C) 65SD Gov Sump Low (D) Excessive Swings of MWAR and MW PRGENSUM.XLS

PRIEST RAPIDS POWERPLANT WATER UTILIZATION AUGUST 2018 WATER UTILIZED (ACRE FEET) EQUIVALENT ENERGY (MWH) TOTAL RIVER FLOW 6,327,630 406,292 GENERATION 5,495,830 352,883 FISH FACILITIES 72,450 4,652 FISH SPILL 713,251 45,797 46,099 2,960

PRIEST RAPIDS WATER UTILIZATION REPORT AUGUST 2018 MONTHLY WATER USAGE FISH SPILL 11% 1% FISH FACILITIES 1% GENERATION 87% GENERATION FISH FACILITIES FISH SPILL YEAR TO DATE WATER USAGE FISH SPILL 5% 20% FISH FACILITIES 1% GENERATION 74% GENERATION FISH FACILITIES FISH SPILL

Wanapum Public Utility District of Grant County, Ephrata, Washington MONTHLY REPORT OF POWER OPERATIONS September 2018 Installed Capacity (A) 1,103,000 kw Hours Plant Operated: 720 Gross Generation (B) 282,081,200 Plant Use 630,000 Max. Hourly Generation (C) 831,300 Net Generation 281,451,200 Time of Max. Hourly Gen. 09/05/2018 1800 Water for Generation (D) 3,995,250 A.F. Plant Factor 35.52% Water Bypassed (E) 70,670 A.F. Utilization Factor 75.37% Water for Fish (F) 125,100 A.F. Water Factor: 95.33% Average Hydraulic Head: 80.1 Feet UNIT SERVICE RECORD Unit No Monthly Gen. (mwh) Hrs. Operation Hrs Down For Maint. Availability Factor (G) Nature of Maintenance W-1 41,282 545.60 13.78 0.98 Black Start Black Start Excercise Transfprmer "A" Annual Maintenance W-2 5,498 75.47 643.00 0.11 Transfprmer "A" Annual Maintenance W-3 36,862 493.12 0.00 1.00 W-4 20,997 272.57 0.00 1.00 W-5 15,041 192.08 9.75 0.99 Transformer "C" Annual Maintenance W-6 47,361 643.82 10.78 0.99 Transformer "C" Annual Maintenance W-7 42,751 584.45 81.25 0.89 Transformer D Triennial Maintenance (Kagele, Schwint) W-8 0 0.00 720.00 0.00 Generator Replacement W-9 35,546 469.08 12.65 0.98 Replace Governor Manifold Proportional Valve Transformer "E" Annual Maintenance W-10 36,745 481.27 9.87 0.99 Transformer "E" Annual Maintenance (G) Availability Factor= Hours in Month - Hours Down for Maint. Hours in Month

Wanapum Public Utility District of Grant County, Ephrata, Washington MONTHLY REPORT OF POWER OPERATIONS September 2018 Plant Factor = (B) * 100 (A) * Hours in Month Utiization Factor = (C) * 100 (A) Water Factor = (D) * 100 (D) + (E) + (F)

Plant Service Interruptions Plant: WANAPUM September, 2018 Duration Circuit Breaker Relays Operated Date Time Month Total Unit Tripped Type Cause Remarks 09/01/2018 0000 720:00 10073:14 W-8 W-832 MAN 11 Generator Replacement 09/04/2018 0500 11:41 11:41 W-1 W-132 MAN 11 Transfprmer "A" Annual Maintenance 09/04/2018 0500 643:00 643:00 W-2 W-232 MAN 11 Transfprmer "A" Annual Maintenance 09/06/2018 0802 2:47 2:47 W-9 W-932 MAN 11 Replace Governor Manifold Proportional Valve 09/18/2018 1000 1:55 1:55 W-1 W-132 MAN 11 Black Start 09/19/2018 0600 9:45 9:45 W-5 W-532 MAN 11 Transformer "C" Annual Maintenance 09/19/2018 0600 10:47 10:47 W-6 W-632 MAN 11 Transformer "C" Annual Maintenance 09/20/2018 0600 9:52 9:52 W-9 W-932 MAN 11 Transformer "E" Annual Maintenance 09/20/2018 0600 9:52 9:52 W-10 W-1032 MAN 11 Transformer "E" Annual Maintenance 09/24/2018 0619 81:15 81:15 W-7 W-732 MAN 11 Transformer D Triennial Maintenance (Kagele, Schwint) 09/25/2018 1045 0:11 0:11 W-1 W-132 MAN 11 Black Start Excercise Relay Types: Causes: MAN - Manual OC - Overcurrent DIFF - Differential FREQ - Frequency GRD - Ground V - Voltage THER - Thermal TRIP - 86E Trip OTH - Other 1 Lightning 2 All other weather 3 Trees, etc. into line 4 Malicious damage 5 Line down 6 Defective equipment 7 Inadequate system 8 Trouble on another system 9 Operation error 10 Relay error 12 Cause unknown 11 Prearranged outage 13 Computer control 14 Other 10/01/2018 09:23:36 AM Page 1 of 1

WANAPUM POWERPLANT GENERATION SUMMARY SEPTEMBER 2018 GENERATION (MWH) MAINTENANCE HOURS 100% RATED UNIT INSTALLED CAPACITY CURRENT YTD CURRENT YTD W-1 112.00 41,282 458,323 13.78 (A, B) 121.53 W-2 112.00 5,498 461,218 643.00 (B) 666.31 W-3 112.00 36,862 460,080 0.00 281.79 W-4 103.80 20,997 467,941 0.00 12.02 W-5 112.00 15,041 397,289 9.75 (C) 610.17 W-6 112.00 47,361 516,955 10.78 (C) 60.94 W-7 112.00 42,751 517,035 81.25 (D) 115.23 W-8 103.80 0 0 720.00 (E) 6,551.00 W-9 112.00 35,546 508,612 12.65 (F, G) 21.55 W-10 112.00 36,745 510,539 9.87 (G) 18.55 PROJECT TOTAL: 1103.60 282,083 4,297,992 1,501.08 8,459.09 PLANT USE: 630 6,212 NET GENERATION: 281,453 4,291,780 PLANT RATING CURVE CAPACITY BASED ON 40 YR WATER 996,910 (A) Black Start (B) Transformer A Annual Maintenance (C) Transformer C Annual Maintenance (D) Transformer D Triennial Maintenance (E) Generator Replacement (F) Replace Governor Manifold Proportional Valve (G) Transformer E Maintenance WANGENSUM.XLS

WANAPUM POWERPLANT WATER UTILIZATION SEPTEMBER 2018 WATER UTILIZED (ACRE FEET) EQUIVALENT ENERGY (MWH) TOTAL RIVER FLOW 4,191,020 295,903 GENERATION 3,995,250 282,081 FISH FACILITIES 125,100 8,833 FISH SPILL 70,670 4,990 0 0

Wanapum Water Utilization Report September 2018 MONTHLY WATER USAGE FISH SPILL 2% 0% FISH FACILITIES 3% GENERATION 95% GENERATION FISH FACILITIES FISH SPILL YEAR TO DATE WATER USAGE FISH SPILL 6% 16% FISH FACILITIES 1% GENERATION 77% GENERATION FISH FACILITIES FISH SPILL

Priest Rapids Public Utility District of Grant County, Ephrata, Washington MONTHLY REPORT OF POWER OPERATIONS September 2018 Installed Capacity (A) 955,600 kw Hours Plant Operated: 720 Gross Generation (B) 263,786,900 Plant Use 1,424,700 Max. Hourly Generation (C) 696,300 Net Generation 262,362,200 Time of Max. Hourly Gen. 09/02/2018 2100 Water for Generation (D) 3,888,430 A.F. Plant Factor 38.34% Water Bypassed (E) 89,330 A.F. Utilization Factor 72.87% Water for Fish (F) 41,700 A.F. Water Factor: 96.74% Average Hydraulic Head: 78.4 Feet UNIT SERVICE RECORD Unit No Monthly Gen. (mwh) Hrs. Operation Hrs Down For Maint. Availability Factor (G) Nature of Maintenance P-1 41,533 614.97 103.12 0.86 P-1181 OPEN for Transformer A outage unit unable to sync online P-2 0 0.00 720.00 0.00 P-02 Turbine Replacement P-3 47,988 710.30 0.00 1.00 P-4 35,454 499.75 0.00 1.00 P-5 26,933 383.62 0.00 1.00 P-6 44,389 666.22 0.00 1.00 P-7 32,708 485.07 84.48 0.88 for Transformer D outage P-8 12,686 155.83 85.15 0.88 for Transformer D outage P-8 65SD suspected to be faulty, initiating a P- 8 5C shutdown. P-8 65SD suspected to be faulty. P-9 1,864 27.43 641.00 0.11 Voith to Repair Oil Leaks, Remove TGB and Machine TGB Flange Seat on IMHC, Repair Water Leaks to Wicket Gate Cartridge Seals, General Inspections and Maintenance. P-10 20,233 306.97 164.50 0.77 Black Start Exercise Black Start Exercize Scheduled Outage for Transformer E Annual Maintenance/ P-10 Slip Ring Maintenance

Priest Rapids Public Utility District of Grant County, Ephrata, Washington MONTHLY REPORT OF POWER OPERATIONS September 2018 (G) Availability Factor= Hours in Month - Hours Down for Maint. Hours in Month Plant Factor = (B) * 100 (A) * Hours in Month Utiization Factor = (C) * 100 (A) Water Factor = (D) * 100 (D) + (E) + (F)

Plant Service Interruptions Plant: PRIEST RAPIDS September, 2018 Duration Circuit Breaker Relays Operated Date Time Month Total Unit Tripped Type Cause Remarks 09/01/2018 0000 720:00 5871:48 P-2 232 OTH 11 P-02 Turbine Replacement 09/04/2018 0700 641:00 641:00 P-9 932 MAN 11 Voith to Repair Oil Leaks, Remove TGB and Machine TGB Flange Seat on IMHC, Repair Water Leaks to Wicket Gate Cartridge Seals, General Inspections and Maintenance. 09/04/2018 1000 1:08 1:08 P-10 1032 MAN 11 Black Start Exercise 09/10/2018 0600 102:23 102:23 P-1 132 MAN 11 P-1181 OPEN for Transformer A outage 09/11/2018 1001 1:52 1:52 P-10 1032 MAN 11 Black Start Exercize 09/14/2018 1232 0:44 0:44 P-1 132 OTH 14 unit unable to sync online 09/17/2018 0631 84:29 84:29 P-7 732 MAN 11 for Transformer D outage 09/17/2018 0631 84:29 84:29 P-8 832 MAN 11 for Transformer D outage 09/24/2018 0630 161:30 161:30 P-10 1032 MAN 11 Scheduled Outage for Transformer E Annual Maintenance/ P-10 Slip Ring Maintenance 09/25/2018 1545 0:20 0:20 P-8 832 OTH 10 P-8 65SD suspected to be faulty. 09/25/2018 1640 0:20 0:20 P-8 832 OTH 10 P-8 65SD suspected to be faulty, initiating a P-8 5C shutdown. Relay Types: Causes: MAN - Manual OC - Overcurrent DIFF - Differential FREQ - Frequency GRD - Ground V - Voltage THER - Thermal TRIP - 86E Trip OTH - Other 1 Lightning 2 All other weather 3 Trees, etc. into line 4 Malicious damage 5 Line down 6 Defective equipment 7 Inadequate system 8 Trouble on another system 9 Operation error 10 Relay error 12 Cause unknown 11 Prearranged outage 13 Computer control 14 Other 10/01/2018 09:11:02 AM Page 1 of 1

PRIEST RAPIDS POWERPLANT GENERATION SUMMARY SEPTEMBER 2018 GENERATION (MWH) MAINTENANCE HOURS 100% RATED UNIT INSTALLED CAPACITY CURRENT YTD CURRENT YTD P-1 95.00 41,533 448,305 103.12 (A) 116.18 P-2 97.80 0 50,341 720.00 (B) 5,871.80 P-3 95.00 47,988 455,358 0.00 3.67 P-4 95.00 35,454 464,318 0.00 36.33 P-5 95.00 26,933 454,546 0.00 37.15 P-6 95.00 44,389 441,430 0.00 38.64 P-7 95.00 32,708 419,113 84.48 (C) 92.95 P-8 95.00 12,686 451,600 85.15 (C, D) 91.43 P-9 97.80 1,864 280,439 641.00 (E) 1,870.76 P-10 95.00 20,233 353,435 164.50 (F) 204.62 PROJECT TOTAL: 955.60 263,788 3,818,885 1,798.25 8,363.53 PLANT USE: 1,425 10,176 NET GENERATION: 262,363 3,808,709 PLANT RATING CURVE CAPACITY BASED ON 40 YR WATER 912,300 (A) Transformer A Outage (B) Turbine Generator Replacement (C) Transformer D Outage (D) 65SD Suspected to be Faulty (E) Voith Repair and General Inspections and Maintenance (F) Black Start Exercise and Transformer E Annual Maintenance RRGENSUM.XLS

PRIEST RAPIDS POWERPLANT WATER UTILIZATION SEPTEMBER 2018 WATER UTILIZED (ACRE FEET) EQUIVALENT ENERGY (MWH) TOTAL RIVER FLOW 4,019,460 272,676 GENERATION 3,888,430 263,787 FISH FACILITIES 41,700 2,829 FISH SPILL 89,083 6,043 247 17

PRIEST RAPIDS WATER UTILIZATION REPORT SEPTEMBER 2018 MONTHLY WATER USAGE FISH SPILL 2% 0% FISH FACILITIES 1% GENERATION 97% GENERATION FISH FACILITIES FISH SPILL YEAR TO DATE WATER USAGE FISH SPILL 5% 19% FISH FACILITIES 1% GENERATION 75% GENERATION FISH FACILITIES FISH SPILL

Wanapum Public Utility District of Grant County, Ephrata, Washington MONTHLY REPORT OF POWER OPERATIONS October 2018 Installed Capacity (A) 1,103,000 kw Hours Plant Operated: 744 Gross Generation (B) 284,187,300 Plant Use 604,300 Max. Hourly Generation (C) 808,800 Net Generation 283,583,000 Time of Max. Hourly Gen. 10/09/2018 2000 Water for Generation (D) 4,104,320 A.F. Plant Factor 34.63% Water Bypassed (E) 67,440 A.F. Utilization Factor 73.33% Water for Fish (F) 129,270 A.F. Water Factor: 95.43% Average Hydraulic Head: 78.4 Feet UNIT SERVICE RECORD Unit No Monthly Gen. (mwh) Hrs. Operation Hrs Down For Maint. Availability Factor (G) Nature of Maintenance W-1 44,390 599.12 40.23 0.95 SLip Ring Maintenance Transformer A and B Disconnect Maintenance W-2 0 0.00 744.00 0.00 30,000 Hour Inspection W-3 34,999 466.92 19.88 0.97 Slip Ring Maintenance (Gehling) Transformer A and B Disconnect Maintenance W-4 21,632 287.70 33.75 0.95 Slip Ring Maintenance (Gehling) W-5 16,757 214.18 8.72 0.99 Electrical Maintenance (Gehling) W-6 50,024 686.67 7.65 0.99 Servo lock motor replacement W-7 44,467 602.75 8.82 0.99. Reinstalling W-8 Flex Links at Transformer "D" (Couture) Instrumentation Sync for W-8 (Gehling) W-8 0 0.00 744.00 0.00 Generator Replacement W-9 31,486 422.82 53.72 0.93 Warranty Inspection (Couture) W-10 40,433 546.73 57.45 0.92 Slip Ring Maintenance / Warranty Inspection (G) Availability Factor= Hours in Month - Hours Down for Maint. Hours in Month

Wanapum Public Utility District of Grant County, Ephrata, Washington MONTHLY REPORT OF POWER OPERATIONS October 2018 Plant Factor = (B) * 100 (A) * Hours in Month Utiization Factor = (C) * 100 (A) Water Factor = (D) * 100 (D) + (E) + (F)

Plant Service Interruptions Plant: WANAPUM October, 2018 Duration Circuit Breaker Relays Operated Date Time Month Total Unit Tripped Type Cause Remarks 10/01/2018 0000 744:00 1387:00 W-2 W-232 MAN 11 30,000 Hour Inspection 10/01/2018 0000 744:00 10817:14 W-8 W-832 MAN 11 Generator Replacement 10/01/2018 0603 30:26 30:26 W-1 W-132 MAN 11 SLip Ring Maintenance 10/03/2018 0603 10:05 10:05 W-3 W-332 MAN 11 Slip Ring Maintenance (Gehling) 10/03/2018 0603 33:45 33:45 W-4 W-432 MAN 11 Slip Ring Maintenance (Gehling) 10/04/2018 0600 9:48 9:48 W-3 W-332 MAN 11 Transformer A and B Disconnect Maintenance 10/04/2018 0600 9:48 9:48 W-1 W-132 MAN 11 Transformer A and B Disconnect Maintenance 10/08/2018 0619 7:39 7:39 W-6 W-632 MAN 11 Servo lock motor replacement 10/15/2018 0604 57:27 57:27 W-10 W-1032 MAN 11 Slip Ring Maintenance / Warranty Inspection 10/22/2018 0630 53:43 53:43 W-9 W-932 MAN 11 Warranty Inspection (Couture) 10/23/2018 0640 5:59 5:59 W-7 W-732 MAN 11. Reinstalling W-8 Flex Links at Transformer "D" (Couture) 10/30/2018 0602 8:43 8:43 W-5 W-532 MAN 11 Electrical Maintenance (Gehling) 10/31/2018 1303 2:50 2:50 W-7 W-732 MAN 11 Instrumentation Sync for W-8 (Gehling) Relay Types: Causes: MAN - Manual OC - Overcurrent DIFF - Differential FREQ - Frequency GRD - Ground V - Voltage THER - Thermal TRIP - 86E Trip OTH - Other 1 Lightning 2 All other weather 3 Trees, etc. into line 4 Malicious damage 5 Line down 6 Defective equipment 7 Inadequate system 8 Trouble on another system 9 Operation error 10 Relay error 12 Cause unknown 11 Prearranged outage 13 Computer control 14 Other 11/15/2018 06:50:30 AM Page 1 of 1

WANAPUM POWERPLANT GENERATION SUMMARY OCTOBER 2018 GENERATION (MWH) MAINTENANCE HOURS 100% RATED UNIT INSTALLED CAPACITY CURRENT YTD CURRENT YTD W-1 112.00 44,390 502,713 40.23 (A, B) 161.76 W-2 112.00 0 461,218 744.00 (C) 1,410.31 W-3 112.00 34,999 495,079 19.88 (A, B) 301.67 W-4 103.80 21,632 489,573 33.75 (A) 45.77 W-5 112.00 16,757 414,046 8.72 (D) 618.89 W-6 112.00 50,024 566,979 7.65 (E) 68.59 W-7 112.00 44,467 561,502 8.82 (F) 124.05 W-8 103.80 0 0 744.00 (G) 7,295.00 W-9 112.00 31,486 540,098 53.72 (H) 75.27 W-10 112.00 40,433 550,972 57.45 (A, H) 76.00 PROJECT TOTAL: 1103.60 284,188 4,582,180 1,718.22 10,177.31 PLANT USE: 604 6,816 NET GENERATION: 283,584 4,575,364 PLANT RATING CURVE CAPACITY BASED ON 40 YR WATER 996,910 (H) Warranty Inspection (A) Slip Ring Maintenance (B) Transformer A and B Disconnect Maintenance (C) 30,000 Hour Inspection (D) Electrical Maintenance (E) Servo Lock Motor Replacement (F) Reinstalling W08 Flex Links at Transformer D and Intrumentation Sync (G) Generator Replacement WANGENSUM.XLS

WANAPUM POWERPLANT WATER UTILIZATION OCTOBER 2018 WATER UTILIZED (ACRE FEET) EQUIVALENT ENERGY (MWH) TOTAL RIVER FLOW 4,301,030 297,808 GENERATION 4,104,320 284,187 FISH FACILITIES 129,270 8,951 FISH SPILL 54,058 3,743 13,382 927

Wanapum Water Utilization Report October 2018 MONTHLY WATER USAGE FISH SPILL 1% 0% FISH FACILITIES 3% GENERATION 96% GENERATION FISH FACILITIES FISH SPILL YEAR TO DATE WATER USAGE FISH SPILL 6% 15% FISH FACILITIES 1% GENERATION 78% GENERATION FISH FACILITIES FISH SPILL

Priest Rapids Public Utility District of Grant County, Ephrata, Washington MONTHLY REPORT OF POWER OPERATIONS October 2018 Installed Capacity (A) 955,600 kw Hours Plant Operated: 744 Gross Generation (B) 274,674,800 Plant Use 1,332,100 Max. Hourly Generation (C) 723,200 Net Generation 273,342,700 Time of Max. Hourly Gen. 10/30/2018 2100 Water for Generation (D) 3,942,590 A.F. Plant Factor 38.63% Water Bypassed (E) 143,250 A.F. Utilization Factor 75.68% Water for Fish (F) 43,090 A.F. Water Factor: 95.49% Average Hydraulic Head: 79.8 Feet UNIT SERVICE RECORD Unit No Monthly Gen. (mwh) Hrs. Operation Hrs Down For Maint. Availability Factor (G) Nature of Maintenance P-1 50,290 744.00 0.00 1.00 P-2 0 0.00 744.00 0.00 P-02 Turbine Replacement P-3 44,477 659.25 66.87 0.91 Annual Transformer B Maint. Water found in P-3 thrust bearing. Unit unavailable until leak in cooling water piping found and repaired. Dispatch informed (Gehling) P-4 45,671 629.77 33.67 0.95 Annual Transformer B Maint. P-5 39,482 548.03 91.58 0.88 Sub 2 outage Transformer B annual maint Transformer C Trienial P-6 10,864 162.43 568.88 0.24 Transformer C Trienial and P-6 Overhaul P-7 39,573 570.85 10.88 0.99 sub 2 outage P-8 13,406 163.70 34.98 0.95 Unit 95% Speed Switch will not complete the permissive checks for unit operation. Rotor Measurements for TG group sub 2 outage P-9 13,672 179.57 238.02 0.68 P-10 Curve Testing Xfmr E outage Voith to Repair Oil Leaks, Remove TGB and Machine TGB Flange Seat on IMHC, Repair Water Leaks to Wicket Gate Cartridge Seals, General Inspections and Maintenance. P-10 17,239 238.12 116.62 0.84 Replace GCB Actuator pump due to excessive run time. Scheduled Outage for Transformer E Annual Maintenance/ P-10 Slip Ring Maintenance

Priest Rapids Public Utility District of Grant County, Ephrata, Washington MONTHLY REPORT OF POWER OPERATIONS October 2018 Plant Factor = (B) * 100 (A) * Hours in Month (G) Availability Factor= Hours in Month - Hours Down for Maint. Hours in Month Utiization Factor = (C) * 100 (A) Water Factor = (D) * 100 (D) + (E) + (F)

Plant Service Interruptions Plant: PRIEST RAPIDS October, 2018 Duration Circuit Breaker Relays Operated Date Time Month Total Unit Tripped Type Cause Remarks 10/01/2018 0000 744:00 6615:48 P-2 232 OTH 11 P-02 Turbine Replacement 10/01/2018 0000 227:58 868:58 P-9 932 MAN 11 Voith to Repair Oil Leaks, Remove TGB and Machine TGB Flange Seat on IMHC, Repair Water Leaks to Wicket Gate Cartridge Seals, General Inspections and Maintenance. 10/01/2018 0000 87:24 248:54 P-10 1032 MAN 11 Scheduled Outage for Transformer E Annual Maintenance/ P-10 Slip Ring Maintenance 10/01/2018 0700 8:15 8:15 P-8 832 MAN 11 Rotor Measurements for TG group 10/01/2018 1912 15:50 15:50 P-8 832 MAN 14 Unit 95% Speed Switch will not complete the permissive checks for unit operation. 10/06/2018 1049 33:11 33:11 P-3 332 MAN 14 Water found in P-3 thrust bearing. Unit unavailable until leak in cooling water piping found and repaired. Dispatch informed (Gehling) 10/08/2018 0707 80:42 80:42 P-5 532 MAN 11 Transformer C Trienial 10/08/2018 0707 568:53 568:53 P-6 632 MAN 11 Transformer C Trienial and P-6 Overhaul 10/18/2018 0605 10:53 10:53 P-7 732 MAN 11 sub 2 outage 10/18/2018 0605 10:53 10:53 P-5 532 MAN 11 Sub 2 outage 10/18/2018 0605 10:54 10:54 P-8 832 MAN 11 sub 2 outage 10/22/2018 0657 9:10 9:10 P-4 432 MAN 11 Annual Transformer B Maint. 10/22/2018 0657 33:41 33:41 P-3 332 MAN 11 Annual Transformer B Maint. 10/22/2018 1608 24:30 24:30 P-4 432 MAN 11 Transformer B annual maint 10/25/2018 0950 29:13 29:13 P-10 1032 MAN 6 Replace GCB Actuator pump due to excessive run time. 10/26/2018 0505 10:03 10:03 P-9 932 MAN 11 P-10 Curve Testing Xfmr E outage Relay Types: Causes: MAN - Manual OC - Overcurrent DIFF - Differential FREQ - Frequency GRD - Ground V - Voltage THER - Thermal TRIP - 86E Trip OTH - Other 1 Lightning 2 All other weather 3 Trees, etc. into line 4 Malicious damage 5 Line down 6 Defective equipment 7 Inadequate system 8 Trouble on another system 9 Operation error 10 Relay error 12 Cause unknown 11 Prearranged outage 13 Computer control 14 Other 11/01/2018 05:17:57 PM Page 1 of 2

Plant Service Interruptions Plant: PRIEST RAPIDS October, 2018 Relay Types: Causes: MAN - Manual OC - Overcurrent DIFF - Differential FREQ - Frequency GRD - Ground V - Voltage THER - Thermal TRIP - 86E Trip OTH - Other 1 Lightning 2 All other weather 3 Trees, etc. into line 4 Malicious damage 5 Line down 6 Defective equipment 7 Inadequate system 8 Trouble on another system 9 Operation error 10 Relay error 12 Cause unknown 11 Prearranged outage 13 Computer control 14 Other 11/01/2018 05:17:57 PM Page 2 of 2

PRIEST RAPIDS POWERPLANT GENERATION SUMMARY OCTOBER 2018 GENERATION (MWH) MAINTENANCE HOURS 100% RATED UNIT INSTALLED CAPACITY CURRENT YTD CURRENT YTD P-1 95.00 50,290 498,595 0.00 116.18 P-2 97.80 0 50,341 744.00 (A) 6,615.80 P-3 95.00 44,477 499,835 66.87 (B, C) 70.54 P-4 95.00 45,671 509,989 33.67 (B) 70.00 P-5 95.00 39,482 494,028 91.58 (D, E) 128.73 P-6 95.00 10,864 452,294 568.88 (E, F) 607.52 P-7 95.00 39,573 458,686 10.88 (D) 103.83 P-8 95.00 13,406 465,006 34.98 (G) 126.41 P-9 97.80 13,672 294,111 238.02 (H, I) 2,108.78 P-10 95.00 17,239 370,674 116.62 (H, J) 321.24 PROJECT TOTAL: 955.60 274,674 4,093,559 1,905.50 10,269.03 PLANT USE: 1,332 11,508 NET GENERATION: 273,342 4,082,051 PLANT RATING CURVE CAPACITY BASED ON 40 YR WATER 912,300 (A) Turbine Generator Replacement (B) Annual Tranformer B Maintenance (C) Water in Thrust Bearing (D) Substation 2 Outage (E) Transformer C Trienial (F) Overhaul (G) Speed Switch and Rotor measurements (H) Transformer E Outage (I) Voith Repair and General Inspections and Maintenance (J) Replace GCB Accuator Pump and Slip Ring Maintenance PRGENSUM.XLS

PRIEST RAPIDS POWERPLANT WATER UTILIZATION OCTOBER 2018 WATER UTILIZED (ACRE FEET) EQUIVALENT ENERGY (MWH) TOTAL RIVER FLOW 4,128,930 287,657 GENERATION 3,942,590 274,675 FISH FACILITIES 43,090 3,002 FISH SPILL 132,687 9,244 10,563 736

PRIEST RAPIDS WATER UTILIZATION REPORT OCTOBER 2018 MONTHLY WATER USAGE FISH SPILL 3% 0% FISH FACILITIES 1% GENERATION 96% GENERATION FISH FACILITIES FISH SPILL YEAR TO DATE WATER USAGE FISH SPILL 5% 18% FISH FACILITIES 1% GENERATION 76% GENERATION FISH FACILITIES FISH SPILL

Wanapum Public Utility District of Grant County, Ephrata, Washington MONTHLY REPORT OF POWER OPERATIONS November 2018 Installed Capacity (A) 1,103,000 kw Hours Plant Operated: 721 Gross Generation (B) 399,020,600 Plant Use 659,900 Max. Hourly Generation (C) 851,700 Net Generation 398,360,700 Time of Max. Hourly Gen. 11/28/2018 1600 Water for Generation (D) 5,751,360 A.F. Plant Factor 50.17% Water Bypassed (E) 176,090 A.F. Utilization Factor 77.22% Water for Fish (F) 103,440 A.F. Water Factor: 95.37% Average Hydraulic Head: 79.0 Feet UNIT SERVICE RECORD Unit No Monthly Gen. (mwh) Hrs. Operation Hrs Down For Maint. Availability Factor (G) Nature of Maintenance W-1 53,084 654.62 0.12 1.00 To Close W-235 To OPEN W-235 Disconnect W-2 0 0.00 721.00 0.00 30,000 Hour Inspection W-3 51,470 630.43 0.00 1.00 W-4 40,059 485.12 0.53 1.00 Replacing Gate Limit Switch (Gehling) W-5 37,531 452.78 0.00 1.00 W-6 55,323 695.73 0.00 1.00 W-7 52,291 649.78 0.00 1.00 W-8 2,423 0.00 721.00 0.00 Generator Replacement W-9 55,198 690.68 0.00 1.00 W-10 51,642 635.12 0.00 1.00 Plant Factor = (B) * 100 (A) * Hours in Month (G) Availability Factor= Hours in Month - Hours Down for Maint. Hours in Month Utiization Factor = (C) * 100 (A) Water Factor = (D) * 100 (D) + (E) + (F)

Plant Service Interruptions Plant: WANAPUM November, 2018 Duration Circuit Breaker Relays Operated Date Time Month Total Unit Tripped Type Cause Remarks 11/01/2018 0000 721:00 2108:00 W-2 W-232 MAN 11 30,000 Hour Inspection 11/01/2018 0000 721:00 11538:14 W-8 W-832 MAN 11 Generator Replacement 11/05/2018 0615 0:06 0:06 W-1 W-132 MAN 11 To OPEN W-235 Disconnect 11/08/2018 0816 0:32 0:32 W-4 W-432 MAN 11 Replacing Gate Limit Switch (Gehling) 11/08/2018 1544 0:01 0:01 W-1 W-132 MAN 11 To Close W-235 Relay Types: Causes: MAN - Manual OC - Overcurrent DIFF - Differential FREQ - Frequency GRD - Ground V - Voltage THER - Thermal TRIP - 86E Trip OTH - Other 1 Lightning 2 All other weather 3 Trees, etc. into line 4 Malicious damage 5 Line down 6 Defective equipment 7 Inadequate system 8 Trouble on another system 9 Operation error 10 Relay error 12 Cause unknown 11 Prearranged outage 13 Computer control 14 Other 12/03/2018 08:49:34 AM Page 1 of 1

WANAPUM POWERPLANT GENERATION SUMMARY NOVEMBER 2018 GENERATION (MWH) MAINTENANCE HOURS 100% RATED UNIT INSTALLED CAPACITY CURRENT YTD CURRENT YTD W-1 112.00 53,084 555,797 0.12 (A) 161.88 W-2 112.00 0 461,218 721.00 (B) 2,131.31 W-3 112.00 51,470 546,549 0.00 301.67 W-4 103.80 40,059 529,632 0.53 (C) 46.30 W-5 112.00 37,531 451,577 0.00 618.89 W-6 112.00 55,323 622,302 0.00 68.59 W-7 112.00 52,291 613,793 0.00 124.05 W-8 103.80 2,423 2,423 721.00 (D) 8,016.00 W-9 112.00 55,198 595,296 0.00 75.27 W-10 112.00 51,642 602,614 0.00 76.00 PROJECT TOTAL: 1103.60 399,021 4,981,201 1,442.65 11,619.96 PLANT USE: 660 7,476 NET GENERATION: 398,361 4,973,725 PLANT RATING CURVE CAPACITY BASED ON 40 YR WATER 996,910 (A) Close W-235 and Open W-235 Disconnect (B) 30,000 Hour Inspection (C) Replacing Gate Limit Switch (D) Generator Replacement WANGENSUM.XLS

WANAPUM POWERPLANT WATER UTILIZATION NOVEMBER 2018 WATER UTILIZED (ACRE FEET) EQUIVALENT ENERGY (MWH) TOTAL RIVER FLOW 6,030,890 418,414 GENERATION 5,751,360 399,021 FISH FACILITIES 103,440 7,177 FISH SPILL 46,827 3,249 129,263 8,968

Wanapum Water Utilization Report November 2018 MONTHLY WATER USAGE FISH SPILL 1% 2% FISH FACILITIES 2% GENERATION 95% GENERATION FISH FACILITIES FISH SPILL YEAR TO DATE WATER USAGE FISH SPILL 5% 15% FISH FACILITIES 1% GENERATION 79% GENERATION FISH FACILITIES FISH SPILL

Priest Rapids Public Utility District of Grant County, Ephrata, Washington MONTHLY REPORT OF POWER OPERATIONS November 2018 Installed Capacity (A) 955,600 kw Hours Plant Operated: 721 Gross Generation (B) 333,993,100 Plant Use 1,340,800 Max. Hourly Generation (C) 725,100 Net Generation 332,652,300 Time of Max. Hourly Gen. 11/19/2018 1800 Water for Generation (D) 5,050,350 A.F. Plant Factor 48.48% Water Bypassed (E) 755,720 A.F. Utilization Factor 75.88% Water for Fish (F) 38,610 A.F. Water Factor: 86.41% Average Hydraulic Head: 77.1 Feet UNIT SERVICE RECORD Unit No Monthly Gen. (mwh) Hrs. Operation Hrs Down For Maint. Availability Factor (G) Nature of Maintenance P-1 50,932 694.08 10.62 0.99 Governor, Replace Ballhead Pilot Valve Assembly P-2 0 0.00 721.00 0.00 P-02 Turbine Replacement P-3 52,178 709.13 0.00 1.00 P-4 50,760 671.67 7.17 0.99 Replace Dashpot Bypass Solenoid P-5 50,257 665.52 0.00 1.00 P-6 0 0.00 721.00 0.00 Transformer C Trienial and P-6 Overhaul P-7 49,009 662.83 0.00 1.00 P-8 24,961 307.80 6.18 0.99 Governor, Dashpot Solenoid Not Engaged. Notified Dispatch (B. Johnson) P-9 26,115 335.20 6.98 0.99 Slip Ring Maintenance, adjust slip ring brush holder. P-10 29,782 394.48 0.58 1.00 Taken to Unavaliable in Order to Remove P-9, P-931 Blade Side Grounds. (C. Kiehn) Plant Factor = (B) * 100 (A) * Hours in Month (G) Availability Factor= Hours in Month - Hours Down for Maint. Hours in Month Utiization Factor = (C) * 100 (A) Water Factor = (D) * 100 (D) + (E) + (F)

Plant Service Interruptions Plant: PRIEST RAPIDS November, 2018 Duration Circuit Breaker Relays Operated Date Time Month Total Unit Tripped Type Cause Remarks 11/01/2018 0000 721:00 7336:48 P-2 232 OTH 11 P-02 Turbine Replacement 11/01/2018 0000 721:00 1289:53 P-6 632 MAN 11 Transformer C Trienial and P-6 Overhaul 11/06/2018 0700 6:59 6:59 P-9 932 OTH 11 Slip Ring Maintenance, adjust slip ring brush holder. 11/06/2018 1325 0:35 0:35 P-10 1032 MAN 14 Taken to Unavaliable in Order to Remove P-9, P-931 Blade Side Grounds. (C. Kiehn) 11/08/2018 0600 10:37 10:37 P-1 132 MAN 11 Governor, Replace Ballhead Pilot Valve Assembly 11/14/2018 0700 6:11 6:11 P-8 832 MAN 11 Governor, Dashpot Solenoid Not Engaged. Notified Dispatch (B. Johnson) 11/27/2018 0653 7:10 7:10 P-4 432 MAN 11 Replace Dashpot Bypass Solenoid Relay Types: Causes: MAN - Manual OC - Overcurrent DIFF - Differential FREQ - Frequency GRD - Ground V - Voltage THER - Thermal TRIP - 86E Trip OTH - Other 1 Lightning 2 All other weather 3 Trees, etc. into line 4 Malicious damage 5 Line down 6 Defective equipment 7 Inadequate system 8 Trouble on another system 9 Operation error 10 Relay error 12 Cause unknown 11 Prearranged outage 13 Computer control 14 Other 12/04/2018 10:22:54 AM Page 1 of 1

PRIEST RAPIDS POWERPLANT GENERATION SUMMARY NOVEMBER 2018 GENERATION (MWH) MAINTENANCE HOURS 100% RATED UNIT INSTALLED CAPACITY CURRENT YTD CURRENT YTD P-1 95.00 50,932 549,527 10.62 (A) 126.80 P-2 97.80 0 50,341 721.00 (B) 7,336.80 P-3 95.00 52,178 552,013 0.00 70.54 P-4 95.00 50,760 560,749 7.17 (C) 77.17 P-5 95.00 50,257 544,285 0.00 128.73 P-6 95.00 0 452,294 721.00 (D) 1,328.52 P-7 95.00 49,009 507,695 0.00 103.83 P-8 95.00 24,961 489,967 6.18 (E) 132.59 P-9 97.80 26,115 320,226 6.98 (F) 2,115.76 P-10 95.00 29,782 400,456 0.58 (G) 321.82 PROJECT TOTAL: 955.60 333,994 4,427,553 1,473.53 11,742.56 PLANT USE: 1,341 12,849 NET GENERATION: 332,653 4,414,705 PLANT RATING CURVE CAPACITY BASED ON 40 YR WATER 912,300 (A) Governor (B) Turbine Generator Replacement (C) Replace Dashpot Bypass Solenoid (D) Transformer C Trienial and Overhaul (E) Governor and Dashpot Solenoid (F) Slip Ring Maintenance (G) Taken to Unavailable in Order to Remove P-9 and P-931 Blade Side Grounds PRGENSUM.XLS

PRIEST RAPIDS POWERPLANT WATER UTILIZATION NOVEMBER 2018 WATER UTILIZED (ACRE FEET) EQUIVALENT ENERGY (MWH) TOTAL RIVER FLOW 5,844,680 386,524 GENERATION 5,050,350 333,993 FISH FACILITIES 38,610 2,553 FISH SPILL 58,397 3,862 697,323 46,116

PRIEST RAPIDS WATER UTILIZATION REPORT NOVEMBER 2018 MONTHLY WATER USAGE FISH SPILL 1% 12% FISH FACILITIES 1% GENERATION 86% GENERATION FISH FACILITIES FISH SPILL YEAR TO DATE WATER USAGE FISH SPILL 5% 17% FISH FACILITIES 1% GENERATION 77% GENERATION FISH FACILITIES FISH SPILL

Wanapum Public Utility District of Grant County, Ephrata, Washington MONTHLY REPORT OF POWER OPERATIONS December 2018 Installed Capacity (A) 1,103,000 kw Hours Plant Operated: 744 Gross Generation (B) 386,021,000 Plant Use 744,300 Max. Hourly Generation (C) 909,500 Net Generation 385,276,700 Time of Max. Hourly Gen. 12/27/2018 0700 Water for Generation (D) 5,673,150 A.F. Plant Factor 47.04% Water Bypassed (E) 108,100 A.F. Utilization Factor 82.46% Water for Fish (F) 43,090 A.F. Water Factor: 97.40% Average Hydraulic Head: 77.3 Feet UNIT SERVICE RECORD Unit No Monthly Gen. (mwh) Hrs. Operation Hrs Down For Maint. Availability Factor (G) Nature of Maintenance W-1 46,709 603.57 0.00 1.00 W-2 32,481 442.83 278.47 0.63 30,000 Hour Inspection W-3 41,203 530.45 0.00 1.00 W-4 38,899 504.58 0.00 1.00 W-5 28,591 362.55 0.00 1.00 W-6 53,536 713.25 0.00 1.00 W-7 18,084 223.77 510.68 0.31 Generator Rotor Replacement and Unit Governor Replacement Investigating cause of trip W-8 36,825 484.82 143.97 0.81 Generator Replacement W-9 44,068 574.25 0.00 1.00 W-10 45,626 591.27 0.00 1.00 Transformer D W-7 Flex Link Removal Plant Factor = (B) * 100 (A) * Hours in Month (G) Availability Factor= Hours in Month - Hours Down for Maint. Hours in Month Utiization Factor = (C) * 100 (A) Water Factor = (D) * 100 (D) + (E) + (F)

Plant Service Interruptions Plant: WANAPUM December, 2018 Duration Circuit Breaker Relays Operated Date Time Month Total Unit Tripped Type Cause Remarks 12/01/2018 0000 278:28 2386:28 W-2 W-232 MAN 11 30,000 Hour Inspection 12/01/2018 0000 136:25 11674:39 W-8 W-832 MAN 11 Generator Replacement 12/07/2018 1903 13:52 13:52 W-7 W-732 OTH 12 Investigating cause of trip 12/11/2018 0711 496:49 496:49 W-7 W-732 MAN 11 Generator Rotor Replacement and Unit Governor Replacement 12/11/2018 0712 7:33 7:33 W-8 W-832 MAN 11 Transformer D W-7 Flex Link Removal Relay Types: Causes: MAN - Manual OC - Overcurrent DIFF - Differential FREQ - Frequency GRD - Ground V - Voltage THER - Thermal TRIP - 86E Trip OTH - Other 1 Lightning 2 All other weather 3 Trees, etc. into line 4 Malicious damage 5 Line down 6 Defective equipment 7 Inadequate system 8 Trouble on another system 9 Operation error 10 Relay error 12 Cause unknown 11 Prearranged outage 13 Computer control 14 Other 01/02/2019 08:04:10 AM Page 1 of 1

WANAPUM POWERPLANT GENERATION SUMMARY DECEMBER 2018 GENERATION (MWH) MAINTENANCE HOURS 100% RATED UNIT INSTALLED CAPACITY CURRENT YTD CURRENT YTD W-1 112.00 46,709 602,506 0.00 161.88 W-2 112.00 32,481 493,699 278.47 (A) 2,409.78 W-3 112.00 41,203 587,752 0.00 301.67 W-4 103.80 38,899 568,531 0.00 46.30 W-5 112.00 28,591 480,168 0.00 618.89 W-6 112.00 53,536 675,838 0.00 68.59 W-7 112.00 18,084 631,877 510.68 (B) 634.73 W-8 103.80 36,825 39,248 143.97 (C) 8,159.97 W-9 112.00 44,068 639,364 0.00 75.27 W-10 112.00 45,626 648,240 0.00 76.00 PROJECT TOTAL: 1103.60 386,022 5,367,223 933.12 12,553.08 PLANT USE: 744 8,220 NET GENERATION: 385,278 5,359,003 PLANT RATING CURVE CAPACITY BASED ON 40 YR WATER 996,910 (A) 30,000 Hour Inspection (B) Generator Rotor and Governor Replacement also Investigating Trip. (C) Generator Replacement and Transformer D W07 Flex Link Removal. WANGENSUM.XLS

WANAPUM POWERPLANT WATER UTILIZATION DECEMBER 2018 WATER UTILIZED (ACRE FEET) EQUIVALENT ENERGY (MWH) TOTAL RIVER FLOW 5,824,340 396,308 GENERATION 5,673,150 386,021 FISH FACILITIES 43,090 2,932 FISH SPILL 0 0 108,100 7,356

Wanapum Water Utilization Report December 2018 MONTHLY WATER USAGE FISH SPILL 0% 2% FISH FACILITIES 1% GENERATION 97% GENERATION FISH FACILITIES FISH SPILL YEAR TO DATE WATER USAGE FISH SPILL 5% 14% FISH FACILITIES 1% GENERATION 80% GENERATION FISH FACILITIES FISH SPILL

Priest Rapids Public Utility District of Grant County, Ephrata, Washington MONTHLY REPORT OF POWER OPERATIONS December 2018 Installed Capacity (A) 955,600 kw Hours Plant Operated: 744 Gross Generation (B) 378,588,400 Plant Use 1,453,000 Max. Hourly Generation (C) 807,400 Net Generation 377,135,400 Time of Max. Hourly Gen. 12/27/2018 1800 Water for Generation (D) 5,641,000 A.F. Plant Factor 53.25% Water Bypassed (E) 60,380 A.F. Utilization Factor 84.49% Water for Fish (F) 14,630 A.F. Water Factor: 98.69% Average Hydraulic Head: 78.1 Feet UNIT SERVICE RECORD Unit No Monthly Gen. (mwh) Hrs. Operation Hrs Down For Maint. Availability Factor (G) Nature of Maintenance P-1 50,969 744.00 0.00 1.00 P-2 0 0.00 744.00 0.00 P-02 Turbine Replacement P-3 50,592 737.42 2.20 1.00 Electrical Maintenance On Slip Ring Brushes P-4 52,355 691.35 9.90 0.99 Calibrate Speed Adjust P-5 38,994 492.22 25.43 0.97 Replace Shaft Seal Packing P-6 35,389 533.78 200.77 0.73 GCB Trouble - Pump Excess Run Alarm In Transformer C Trienial and P-6 Overhaul P-7 47,240 681.77 0.00 1.00 P-8 34,446 398.63 2.05 1.00 Electrical Maintenance On Slip Ring Brushes P-9 28,411 381.42 0.00 1.00 P-10 40,194 580.18 13.85 0.98 Calibrate Speed Adjust Plant Factor = (B) * 100 (A) * Hours in Month (G) Availability Factor= Hours in Month - Hours Down for Maint. Hours in Month Utiization Factor = (C) * 100 (A) Water Factor = (D) * 100 (D) + (E) + (F)

Plant Service Interruptions Plant: PRIEST RAPIDS December, 2018 Duration Circuit Breaker Relays Operated Date Time Month Total Unit Tripped Type Cause Remarks 12/01/2018 0000 744:00 8080:48 P-2 232 OTH 11 P-02 Turbine Replacement 12/01/2018 0000 182:46 1472:39 P-6 632 MAN 11 Transformer C Trienial and P-6 Overhaul 12/12/2018 1647 18:00 18:00 P-6 632 MAN 6 GCB Trouble - Pump Excess Run Alarm In 12/17/2018 0600 25:26 25:26 P-5 532 MAN 11 Replace Shaft Seal Packing 12/18/2018 0602 9:54 9:54 P-4 432 MAN 11 Calibrate Speed Adjust 12/19/2018 0600 13:51 13:51 P-10 1032 MAN 11 Calibrate Speed Adjust 12/27/2018 0722 2:12 2:12 P-3 332 MAN 11 Electrical Maintenance On Slip Ring Brushes 12/27/2018 1237 2:03 2:03 P-8 832 MAN 11 Electrical Maintenance On Slip Ring Brushes Relay Types: Causes: MAN - Manual OC - Overcurrent DIFF - Differential FREQ - Frequency GRD - Ground V - Voltage THER - Thermal TRIP - 86E Trip OTH - Other 1 Lightning 2 All other weather 3 Trees, etc. into line 4 Malicious damage 5 Line down 6 Defective equipment 7 Inadequate system 8 Trouble on another system 9 Operation error 10 Relay error 12 Cause unknown 11 Prearranged outage 13 Computer control 14 Other 01/03/2019 03:27:32 PM Page 1 of 1

PRIEST RAPIDS POWERPLANT GENERATION SUMMARY DECEMBER 2018 GENERATION (MWH) MAINTENANCE HOURS 100% RATED UNIT INSTALLED CAPACITY CURRENT YTD CURRENT YTD P-1 95.00 50,969 600,496 0.00 126.80 P-2 97.80 0 50,341 744.00 (A) 8,080.80 P-3 95.00 50,592 602,605 2.20 (B) 72.74 P-4 95.00 52,355 613,104 9.90 (C) 87.07 P-5 95.00 38,994 583,279 25.43 (D) 154.16 P-6 95.00 35,389 487,683 200.77 (E) 1,529.29 P-7 95.00 47,240 554,935 0.00 103.83 P-8 95.00 34,446 524,413 2.05 (B) 134.64 P-9 97.80 28,411 348,637 0.00 2,115.76 P-10 95.00 40,194 440,650 13.85 (C) 335.67 PROJECT TOTAL: 955.60 378,590 4,806,143 998.20 12,740.76 PLANT USE: 1,453 14,302 NET GENERATION: 377,137 4,791,842 PLANT RATING CURVE CAPACITY BASED ON 40 YR WATER 912,300 (A) Turbine Generator Replacement (B) Electrical Maintenance on Slip Ring Brushes (C) Calibrate Speed Adjust (D) Replace Shaft Seal Packing (E) GCB Trouble, Pump Excess Run Alarm In, Transformer C Trienial, and P06 Overhaul PRGENSUM.XLS

PRIEST RAPIDS POWERPLANT WATER UTILIZATION DECEMBER 2018 WATER UTILIZED (ACRE FEET) EQUIVALENT ENERGY (MWH) TOTAL RIVER FLOW 5,716,010 383,623 GENERATION 5,641,000 378,588 FISH FACILITIES 14,630 982 FISH SPILL 0 0 60,380 4,052

PRIEST RAPIDS WATER UTILIZATION REPORT DECEMBER 2018 MONTHLY WATER USAGE FISH SPILL 0% 1% FISH FACILITIES 0% GENERATION 99% GENERATION FISH FACILITIES FISH SPILL YEAR TO DATE WATER USAGE FISH SPILL 5% 16% FISH FACILITIES 1% GENERATION 78% GENERATION FISH FACILITIES FISH SPILL