CPUC TRANSMISSION PROJECTS AND CONCEPTS-- SCE TERRITORY First Quarter 2011 CAPACITY/ VOLTAGE LEVEL

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1 Segment #1 : Construct a new 26.5 mile 500kV transmission line from Santa Clarita to Lancaster (between existing Pardee & Antelope Stations) CPUC TRANSMISSION PROJECTS AND CONCEPTS-- SCE TERRITORY First Quarter 2011 NED IN kv/230 kv 4928 Operational 10/31/ 15 - Antelope (formerly known as ) Project Segment #2 - Construct a new 21.0 miles 500kV transmission line between Antelope and Vincent Station and construct a new 220 kv transmission line and modifications at the Vincent substation to Lancaster. Segment #3A - Construct 25.6 miles of 500 kv and 220 kv transmission lines connecting SCE's Antelope Substation in Lancaster to a new substation west of Mojave in Kern. Segment #3B- Construct 9.6 miles of 220 kv transmission lines from Mojave to east of kv/230 kv 6434 Segment #3C- Operation of Segment 2 and 3 at 500kV N/A 500 kv kv/230 kv 5453 Operational 11/30/ kv/230 kv 6434 Operational 12/31/ Licensing/ Licensing/ 6/1/ /1/2013 $1 Bllion Reliability/Generator Connection- To minimize voltage problems, increase transmission capability and improve system Petition to modify cost approved 9/24/09 performance in the area. 18 N/A Generator Interconnection Generator Interconnection (See Details on the TAB) see generation tab Devers-Mirage 115 kv System Split and Mirage 3rd "A" Bank The existing Devers 115 kv subtransmission system will be split into two separate subtransmission systems the Devers 115 kv subtransmission system and the Mirage 115 kv subtransmission system. The project requires the addition of a 3rd "A" bank at Mirage, various subtranmission line arrangements and breaker replacements to support the subtransmission rearrangements kv Licensing 6/1/2012 $10-$50 Reliability - Mitigate base case line overloads under peak load conditions and high import from IID area Devers-Mirage #3 230 kv Line Construct a new Devers-Mirage 230kV T/L kv 6415 No No No Under Development 6/1/2019 $10-$ Devers-Coachella Valley 230 kv Loop existing Devers-Coachella Valley 230 kv line into Mirage kv 6414 Loop-In San Joaquin Cross Valley Loop of a new 18.5 mile double-circuit 230 kv transmission line that would connect Rector Substation to an existing 230 kv line from SCE s Big Creek hydroelectric facilities in the Sierra Nevada Mountains. Loop Big Creek 3-Springville 230 kv line into Rector kv FEIR (10/9/) Licensing 12/1/2012 <$10 Engr/ Design 4/1/2014 $51 - $100 Reliability - Mitigate potential line overloads and voltage criteria violations in the Mirage area Reliability - Mitigate potential voltage collapse in Palm Spring/Rancho Mirage area under contingency. Reliability - Mitigate reliability problems (transient and post transient) in the San Joaquin Valley area under contingency conditions 29 N/A Devers - Colorado River Substation (DCRS) (formerly Devers-Palo Verde 500 kv T/L #2 (DPV2)) Construct the California portion of DCR (Devers-Colorado River): a new 113 mile 500 kv line from the new Colorado River Switchyard to SCE's existing Devers the Devers Valley No. 2 line, a new 42 mile 500 kv transmission paralleling an existing line connecting SCE's Devers Substation to SCE's existing Valley Substation in Romoland California. Also, construct other reactive support equipment MVA/ 500 kv 4847 CPCN with Petition to Modify approved November Licensing/ Engr and Design 9/1/2013 >$500 Interconnection of renewable generation 34 & New San Joaquin Valley 230/66 Construct a new 560 MVA 230/66 kv San Joaquin Substation, and install kv Sub up to 250 MVAR 230 kv SVC MVA/250 MVAR 6091 No No No Under Development 6/1/2019 <$1 load growth in Rector area 35 Reconfigure Antelope-Bailey 66kV system into two separate systems. The East Kern Wind Resource Area northern system will be served radially from Windhub substation. The 66kV (formerly Antelope Bailey southern system will remain parallel to the 230 kv system at Antelope and Windhub) Bailey and will retain the label of the Antelope-Bailey 66 kv system MVA 6685 No Engr / Design 12/31/2013 $51 - $100 Reliability - Provide needed bank capacity to relieve base case overload This Project was Split into two separate projects the pin for this project (6445) now belongs to the new project Cassini (formerly Antelope Develop 560 MVA 230/66 kv Substation and related transmission Valley-Valermo) New 230/66 kv (construct 230 kv lines to new sub) and subtransmission facilities (5 new 66 Substation and related T/L kv lines about 15 mile each) in east of Antelope 230/66 kv Sub MVA 6045 No No Under Development 6/1/2019 $101-$200 load growth in Palmdale/Lancaster area 38 Alberhill 500/115 kv Substation Develop a new 1120 MVA Alberhill 500/115 kv Substation and associated T/Ls.Construct a new 500/115 kv transmission substation (Alberhill Substation, connecting SCE s existing Serrano-Valley 500 kv transmission line into the new Alberhill Substation with two new 500 kv line segments. Construct a new 115 kv subtransmission line and modifications to existing 115 kv subtransmission lines MVA 6092 No Licensing 6/1/2014 $301-$400 load growth in western Riverside Upon project completion, electricity from five distribution substations (Fogarty, Elsinore, Ivyglen, Newcomb, and Skylark substations) will be transferred to the new Alberhill Substation to form the new Alberhill System 41 HDPP SPS 44 McGen SPS Victor-Savage #3 115 kv Line Existing Portion of the HDPP RAS remains unchanged (Monitoring flows on the Lugo-Victor 220 kv No. 1 & 2 lines) Modification: Drop Load at Victor Substation- Monitor the flows on the Victor A-banks, HDPP plant output & Kramer-Victor 115 kv No.1 & 2 lines to determine the net Victor load minus HDPP output. Install SPS to McGen under N-1 (Inyokern-McGen-Searles 115 kv line 1 or 2) Re-conductor the Victor-Savage No.1 T/L (approximately 7 miles) and build the New Victor-Savage No.3 T/L. The Victor-Savage No.3 T/L consists of constructing approximately 7.0 Miles of new overhead and 2000 feet of new underground 115-kV T/L. N/A 230 kv Antelope 66 kv Capacitor Install 28.8MVAR 66 kv cap bank at Antelope N/A 28.8 MVAR 6410 Exempt On Hold 6/1/2012 <$1 Reliability - Mitigate potential N-2 voltage collapse during peak load conditions N/A 115 kv No ID Non-ISO Exempt On Hold 12/1/ <$10 Reliability - Mitigate N-1 line overloads Project is on hold. No update information available kv 6448 Non-ISO Exempt Engr / Design 6/1/2012 $10-$50 Exempt Operational 6/1/ <$10 Reliability - Mitigate line overloads under base case and N-1 conditions Reliability - Correct projected VAR deficit in Antelope-Bailey 66 kv system BC3-BC8 SPS Incorporated into Project No. 90 ( PIN 7097) Develop a 560 MVA Wilderness 230 kv Substation for Riverside. Loop the Wildlife (formerly Jurupa) 230kV existing Mira Loma-Vista #1 line and construct about 7 miles of double Sub circuit to Wilderness 230kV MVA 5450 No Engr / Design/ Licensing 4/1/2015 $51 - $100 Load Growth - Provide a method of service to a new substation serving City of Riverside Project name is Wildlife. Wilderness is the Riverside portion of the 230 kv Station El Casco 230/115 kv Sub Provide a method of service to a new El Casco 560 MVA 230/115 kv Substation by looping the existing Devers- #2 into El Casco MVA /1/2011 $101-$200 Load Growth - Provide a method of service to a new 560 MVA 230/66 kv Substation Formerly known as Oak Valley 53 N/A Morongo Relocation Project 54 Acton Substation Loop-in SCE must relocate about 8 miles of four 230 kv transmission and subtransmission circuits lines West of Devers to a new location. Provide two line service to Acton 66/12 kv Sub by construct about 4 miles of new 66 kv line kv 6420 Exempt No Licensing 6/1/2015 $101-$ kv 6444 A portion of the existing ROW Agreement with Morongo Tribe has expired and the other portion will expire within the next few years. Existing lines need to be relocated for reliability purposes. No Engr / Design 6/1/2011 <$10 Reliability - Improve reliability service to Action Sub The WOD Upgrade Project will be broken up into two portions: 1) WOD Relocation, 2) WOD Upgrade (reconductor). The WOD Relocation will continue to use PIN The WOD Upgrade (reconductor) project will be renamed Resource Area Project (SBRAP) with PIN is of 4

2 NED IN- 55 3rd A-Bank and Rebuild of the 115 kv Switch Rack at Victor Substation ( Phase 1) Install a 3rd /115 kv transformer bank at Victor. Replace existing bus structure to improve station flexibility for operation, protection and future expansion. N/A 115 kv 280 MVA 6477 Exempt 12/31/2011/ 06/01/2012 $51 - $100 Reliability - Eliminate T-1 overloads Reliability - Improve station flexibility for operation, protection and future expansion. This Project was updated to include the rebuild of the 115 kv switchrack at Victor. Also, It was split up into two phases. Phase 1 - includes the #3 230/115 kv bank and part of the 115 kv switchrack rebuild. Phase 2 - includes the rest of the 115 kv switchrack rebuild. Project Cost inlcudes both Phase 1 and Phase 2. Project No. 67 has been combined with Project No. 55 PIN Del Sur 66 kv Terminal Upgrades Upgrade 66 kv terminal equipment (disc, CBs, jumpers) at Del Sur Sub (Del Sur-Rite Aid-Lancaster 66 kv) N/A 66 kv No ID Exempt On Hold 6/1/2014 <$1 Reliability - Mitigate N-1 line overloads Upgrades where added to interconnection project and other projects. Since it was an CAISO approved project, decided to not remove project just in case interconnection project drop out. Segment 4 - Construct two new 220 kv transmission lines traveling approximately 4 miles over new right-of-way (ROW) from the Drycreekwind Substation (formerly referred to as Cottonwind Substation ) to the proposed new Whirlwind Construct a new 500 kv transmission line, initially energized to 220 kv, traveling approximately 16 miles over expanded ROW from the proposed new Whirlwind Substation to the existing Antelope Construct new 500 kv transmission lines to loop existing Midway-Vincent No kv line in and out of proposed Whirlwind (part of Segment 9) substation kv/230 kv /31/ Project Segment 5 - Rebuild approximately 18 miles of the existing Antelope Vincent 220 kv T/L and the existing Antelope Mesa 220 kv T/L to a second single Antelope-Vincent 500 kv T/L over existing ROW between the existing Antelope Substation and the existing Vincent Segment 6 - Rebuild approximately 32 miles of existing 220 kv transmission line to 500 kv standards from existing Vincent Substation to the southern boundary of the Angeles National Forest (ANF). This segment includes the rebuild of approximately 27 miles of the existing Antelope Mesa 220 kv T/L and approximately 5 miles of the existing Rio Hondo Vincent 220 kv No. 2 - T/L. Segment 7- Rebuild approximately 16 miles of existing 220 kv transmission line to 500 kv standards from the southern boundary of the ANF to the existing Mesa This segment would replace the existing Antelope Mesa 220 kv T/L.. Segment 8 - Rebuild approximately 33 miles of existing 220 kv transmission line to 500 kv standards from a point approximately 2 miles east of the existing Mesa Substation (the San Gabriel Junction ) to the existing Mira Loma This segment would also include the rebuild of approximately 7 miles of the existing Chino Mira Loma No. 1 line from single-circuit to double-circuit 220 kv structures. Segment 9 -Construct Whirlwind Substation, a new 500/220 kv substation located approximately 4 to 5 miles south of the Drycreekwind Substation in Kern in the TWRA. Upgrade of the existing Antelope, Vincent, Mesa, Gould, and Mira Loma Substations to accommodate new transmission line construction and system compensation elements kv /31/ kv /31/ kv /31/2014 Licensing CSRTP kv /31/2014 N/A 500/ 220 kv /31/2013 <$5 B Comply with the state-mandated s Portfolio Standard (RPS) (i.e. 20 percent renewable by year per California Senate Bill 107) in an orderly, rational and cost-effective manner, while also considering the need for maintaining reliable electric service during the upgrade and /or construction of new facilities. Integrate planned renewable generation resources, including those for which SCE has executed a Power Purchase Agreement (PPA) totaling approximately 1,790 MW, in a manner that minimizes potential environmental impacts and impacts to existing and planned residences, where feasible, by maximizing the use of existing transmission corridors with facilities identified through the planning process of the California Independent System Operator (CAISO) South regional plan for in order to: maximize the use of existing, previously Planned in-service dates are subject to change disturbed T/L right of way to minimize effect on previously based on timing of biological opinion. undisturbed land and resources; select route and tower locations with the lowest potential for environmental impacts while still meeting project objectives; and select the shortest feasible route that minimizes environmen impacts and project costs. Meet the transmission reliability need of SCE-owned and CAISO-controlled tranmission grid in the Antelope Valley resulting from projected load growth in this area. Increase transmission capability from SCE's Lugo Substation located in Hesperia) to the Mira Loma area (South of Lugo), which is an existing transmission "bottleneck" that has been an ongoing source of reliability concern for the Los Angeles Basin and that will worsen with the inclusion of additional generation resources in the area. Segment 10 - Construct a new 500 kv transmission line traveling approximately 17 miles over new ROW between the Windhub Substation and the proposed new Whirlwind kv /31/2012 Segment 11 - Rebuild approximately 19 miles of existing 220 kv transmission line to 500 kv standards between the existing Vincent and Gould Substations. This segment would also include the addition of a new 220 kv circuit on the vacant side of the existing double-circuit structures of the Eagle Rock Mesa 220 kv T/L between the existing Gould Substation and the existing Mesa kv /1/ N/A N/A North of Magunden Redundant BCT Upgrade Valley - Serrano No kv T/L Valley Sub 500kV Retire GIS to Open Air Switch Work Installation of redundant BCTs coordinated with the ongoing Big Creek RAS upgrade project is required for redundancy, reliability and operational flexibility. N/A 230 kv 6154 Non-ISO Exempt 12/31/ <$10 Reliability - Improve reliability of the SPS Construct a second Valley - Serrano No kV T/L kv 6418 No No No Conceptual 6/3/ Reliability - Provide load service capacity Expand Valley Substation open-air 500kV bus in order to retire GIS bus (maintenance issue). N/A 500 kv 6419 Non-ISO Exempt Complete 01/25// 06/01/ $10 - $50 Reliability - Equipment replacement OD of 06/01/10 is for equipment removal only. No electrical work. 63 Vincent Sub Install new 500kV CBs for AA Banks Install CBs on existing 1AA and 2AA banks which are currently directly tied to bus, to meeting SCE reliability criteria and provide operational flexibility N/A 500 kv 6475 Exempt Operational 6/1/ <$10 Reliability - Meet SCE substation reliability criteria and provide operational flexibility 64 Lugo Sub Install new 500kV CBs Install CBs on existing 1AA and 2AA banks which are currently directly tied for AA Banks to bus, to meeting SCE reliability criteria and provide operational flexibility N/A 500 kv 6791 Exempt Engr / Design 12/31/2011 $10-$50 Reliability - to meet SCE substation reliability criteria and provide operational flexibility 65 Barre-Ellis 230 kv Upgrade Barre - Ellis 230kV line to increase the emergency ratings to the Line Emergency Rating Increase maximum capability of the 2P-1033 (box loop/parallel) conductor. N/A 230 kv 6754 Exempt Operational 5/1/ <$1 Reliability - to meet N-1, N-2 NERC Reliability Criteria Upgrade Barre - Lewis 230kV T/L New Auld 500/115 kv Substation and Lines Frazier Park Dynamic Voltage Support North of Magunden Long Term Plan Upgrade Barre - Lewis 230kV T/L to relieve contingency overload kv No ID No No No Conceptual 6/1/ Reliability - to meet N-1, N-2 NERC Reliability Criteria Develop a new 1120 MVA Auld 500/115 kv Substation, Vellye-Auld 500kV T/Ls Install a 10MVAR Dynamic VAR Resource at Frazier Park substation. N/A 10 MVAR No ID Master Plan to build transmission lines and substations to serve load in San Joaquin Valley area MVA 6678 No No No Under Development 6/1/2019 $201 - $300 load growth in western Riverside Exempt On Hold 6/1/ <$10 Reliability - Mitigate voltage criteria for N MVA 5455 No No No Under Development 6/1/2019 $3 Billion Load service, reliability - mitigate reliability criteria violations for N-0, N-1,N-2 Co- Sponsored Project between Interconnection Planning and Distribution The Magunden - Rector 230kV line Project has been canceled and is being evaluated as a part North of Magunden Long Tern Plan. 2 of 4

3 NED IN La Cienaga -El Nido SPS (El Nido Area LCR Mitigation Project) Install line monitoring relays to monitor status of the La Cienega-La Fresa 230-kV, El Nido-La Fresa #3 and El Nido-La Fresa #4 230-kV lines. Install relays to trip La Cienega substation A-bank CB s if system is armed and outage of two of the three monitored lines takes place. Install relays to trip. El Nido substation A-bank CB s if system is armed and outage of two of the three monitored lines takes place. N/A 230 kv Exempt Operational 3/1/ <$1 Reliability - Mitigate potential N-2 facilities overload 75 N/A Mountainview Generating Station SCE Substation Separation Project Separate Substation from Mountainview Generating Station. SCE to remove, relocate and/or replace SCE Grid Facilities, currently located within Mountainview Generating Station.Extend the switchrack to accommodate one additional line position. Reconfiguration of the Vista system to accommodate removal of the Switchrack, and to loop the existing - Homart-Purewater Line into Purewater 115 kv Switchrack and Sectionalizing Circuit Breaker Removal N/A 230/ & 230/66kV 6744 Exempt Exempt 12/20/ <$10 Transfer of Station Control at request of Plant owner (Mountainview Power) 76 Lugo 500kV Substation Expand Lugo Substation to accommodate a future 3AA bank and additional Expansion and Series Capacitor Lines, and replace exsisisting Lugo Series Capacitor Replacement N/A 500 kv 6726 Exempt Engr / Design 1/31/2011 $51 - $100 The 500kV series capacitors on the Lugo Eldorado 500kV and Lugo-Mohave 500kV lines, located at Lugo substation, are of a High Loss design and contain PCBs. This project will decreasing losses and eliminating the potential for environmental exposure. In addition this project will expand Lugo Substation to plan for a future 3AA bank and additional 500kV lines into Lugo Substation 77 Antelope 66 kv bus split Split the 66 kv at Antelope to manage Short Circuit Duty kv 6445 No No Under Development 6/1/ Rector SVS Expansion Expand Rector Static VAR System (SVS) by adding two 79.2MVAR 230 kv Shunt Capacitor Banks at Rector Bus and SVS control points to maintain minimum voltages at Rector 230 kv 80 Nuevo 500/115 kv Substation Develop a new 1120 MVA Nuevo 500/115 kv Substation, Auld - Nuevo 500 kv T/L 81 Allessandro 230/115 kv Substation New Mesa 500 kv New Lighthipe 500 kv N/A MVAR 6792 Appoved MVA No ID No No No Conceptual 6/1/ Develop a new 230/115 kv Substation, Vista - Alessandro 203 kv T/L - - No ID No No No Conceptual 6/1/ Develop a new 500/230 kv Substation equipped with 2x1120 MVA transformers Develop a new 500/230 kv Substation equipped with 2x1120 MVA transformers MVA 3397 No No No Conceptual 6/1/ MVA 3398 No No No Conceptual 6/1/ To serve load growth the 4th bank at Antelope Substation (transformer bank 3A) needs to be energized on the 66kV side. In order to manage short circuit duty the 66 kv Antelope bus will split into two sections. Exempt Engr / Design 6/1/2011 <$10 Reliability- to provide dynamic stability for system disturbance. Reliability - Part of Long Range Plan to serve load in the San Jacinto Region Reliability - Part of Long Range Plan to serve load in the San Jacinto Region Reliability- Project needed as a part of long term plan for Once through Cooling Generator Retirement. Reliability- Project needed as a part of long term plan for Once through Cooling Generator Retirement. Previously part of the 66kV Antelope-Bailey- Windhub System Reconfiguration Project. Co- Sponsored Project between Interconnection Planning and Distribtution Co- Sponsored Project between Interconnection Planning and Distribtution 84 N/A Construct a new 220/115 kv substation near Primm, Nevada and an upgrade of a 35-miles double-circuit 220 kilovolt transmission line, connecting the new Substation to SCE s Eldorado Substation, near Boulder City, Nevada. Upgrades at Eldorado Substation to support the connection of new transmission lines kv/230 kv LGIAs Executed CPCN approved Licensing 7/31/ Comply with the state-mandated s Portfolio Standard (RPS) (i.e. 20 percent renewable by year per California Senate Bill 107) in an orderly, rational and cost-effective manner, while also considering the need for maintaining reliable electric service during the upgrade and /or construction of new facilities. Integrate planned renewable generation resources, including up to 1,400 MW from the Dry Lake Area with a Power Purchase Agreement (PPA) executed by a CPUC jurisdictional Private Owners (PTO), in a manner that minimizes potential environmental impacts and impacts to existing and planned residences, where feasible, by maximizing the use of existing corridors in order to: maximize the use of existing, previously disturbed transmission line right-of-way (ROW) to minimize effect on previously undisturbed land and resources; select route and tower locations with the lowest potential for environmental impacts while still meeting porposed project objectives; select the shortest feasible route that minimizes environmental impacts and propsed project costs. Inte of renewable resources located in the Dry Lake area in a way that complies with all applicable North American Electric Reliability Council (NERC)/ Western Electric Coordinating Council (WECC) Planning Standards, and in a manner that minmizes transmission line crossings. Support the State of California Greenhouse Gas reduction program 85 N/A RedBluff Substation 220/ Construct a new 500/230 kv collector substation (Red Bluff) to interconnect new renewable generation projects in the Desert Center Area which are also seeking ARRA Funding MVA 6929/ 7059 No No Licensing 4/1/ Interconnection of renewable generation 86 N/A Colorado River 230kV Expansion 87 N/A Lockhart Substation 88 N/A Jasper Substation Expand the existing station, presently configured as a 500kV Switchyard, to a 1120MVA 500/ Substation by installing one 1120MVA 500/ Transformer Banks with corresponding 500kV and Bank Positions and installing a new Switchyard. Construct new Lockhart Substation to interconnect renewable generation projects Construct new Jasper Substation to interconnect renewable generation projects MVA 7076/ 7050/ 7049 No No Licensing 9/30/ Interconnection of renewable generation No No Licensing 12/31/ Interconnection of renewable generation No No Licensing 12/31/ Interconnection of renewable generation 89 Rector RAS Modification Modify existing RAS by arming additional Reactor load N/A 230kV 7104 Pedning Exempt Engr / Design 6/1/2012 <1 90 Big Creek RAS Modification Modify existing RAS to monitor Big Creek 8. N/A 230 KV 7097 Exempt Engr / Design 10/1/2012 <1 91 Path 26 Existing RAS Modification Modify existing RAS to include all N-2 combinations N/A 500 kv - Pedning Exempt Engr / Design 1/31/ Palmdale SPS Install new RAS to meet NERC C3 standard N/A 66 KV 7109 Pedning Exempt Engr / Design 6/1/2011 <1 Reliability - Mitigate thermal overloads by arming additional Reactor load to existing Big Breek / San Joaquin Valley RAS. Reliability - Mitigate thermal overloads due to hight hydro output, modify existing Big Creek / San Joaquin Valley RAS to monitor Big Creek 8. Reliability - Include all N-2 combinations of Path 26 as part of existing Path 26 RAS Reliability - Mitigate C3 thermal overloads, use tripping scheme to drop load after loss of both lines 3 of 4

4 NED IN- 93 Lancaster OP & SPS Install new RAS to meet NERC C3 and C5 standard N/A 66 kv 7110 Pedning Exempt Engr / Design 6/1/2011 <1 94 Garnet OP & SPS Install new RAS to meet C5 stardard N/A 115 kv - Pedning Exempt Engr / Design 3/1/ Reliabiity - Mitigate thermal overloads. The C3 contingency has 1/2 hr to drop load after loss of 2nd line. The C5 contingency will use tripping scheme to drop load after loss of both lines. Reliability - Mitigate post transiet voltage deviations due to C.5 contingency, curtail generation. CPUC RAS/SPS "Remedial Action Scheme": load and /or generation shedding to prevent system collapse ID CPCN Certificate of Public Convenience and Necessity ISO PTC Permit to Construct I : Exempt CPUC CEQA approval not required 4 of 4

5 CPUC TRANSMISSION PROJECTS -- SCE TERRITORY Projects - First Quarter 2011 NO. LOCATION RATING ID DATE IN CONSTRUCTION STATUS UTILITY ISO CPUC SERVICE NRG El Segundo Los Angeles Interconnect a 630 MW Combined Cycle Generating Facility to an existing position within SCE's El Segundo Replace wave traps at Hinson, La Fresa and Mesa Substations. Replace four circuit breakers with 63kA rated units at at El Nido Install communication equipment and relays at 630 MW TOT041 Exempt Sep Chevmain, El Nido, El Segundo, La Fresa, and La Cienega Substations as required for the Special Protection Systems EME Walnut Creek Los Angeles Interconnect a 500 MW Simple Cycle Generating Facility to SCE's Walnut Install a new line position consisting of two circuit breakers and four disconnect switches. Install five sets of transient recovery voltage capacitors at Barre Install communication equipment. 500 MW TOT135 Engineering & Design Jan CPV Sentinel Riverside Interconnect a 850 MW Simple Cycle Generating Facility to SCE's Devers Relocate exisiting line terminations within Devers Substation and install new line position to accommodate termination of the new generation tie line; install power system controls and telecommunications; install special protection systems. 850 MW Vulcan-Green Bordrs Geothermal Hawthorne, Nevada Interconnect a 62 MW Geothermal Generating Facility to SCE's Control Upgrade phase shifter at Inyo Substation; install power system controls and telecommunications; install special protection systems. 62 MW TOT032 Currently suspended at the request of the Applicant in accordance with the Large Generator Interconnection TOT127 Filing Pending LGIA A Accepted t and Suspended at FERC pending litigation outcome Jun-13 Jul CPC West Kern Interconnect a 600 MW Wind Generating Facility to SCE's Windhub Substation; TRTP Segment 3A network upgrades apply. 600 MW TOT163 - part of SCE's Phase I - In Service Phase II - In Service Phase III - Dec-11 Calico Solar Interconnect a 850 MW Solar Generating Facility to SCE's Pisgah Substation (initial 275 MW connected to the existing Pisgah Substation until the new Pisgah substation can be constructed); Construct new 500/ Pisgah Substation; Remove one of the exisiting Lugo-Pisgah 220 kv line and replace with a new Lugo-Pisgah 500kV line; loop-in the existing Lugo 500kV line into the new 500/ Pisgah 850 MW TOT131 CPCN preparation Currently suspended at the request of the Applicant in accordance with the Large Generator Interconnection Agreement Phase I Dec-11; Phase II Feb DPT1 Interconnect a 100 MW Solar Generating Facility to SCE's 220/ Substation; Construct new 220/ Substation; Remove the exisiting line; Replace with a new line. 100 MW TOT180 CPCN filed Engineering & Design Jul CPC East Kern Interconnect a 550 MW Wind Generating Facility to SCE's Windhub Substation; TRTP Segment 3A network upgrades apply. 550 MW TOT162 - part of the Phase I (280 MW) -In Service Phase II (168 MW)- Feb-11 Phase III (102 MW)- Mar-11 Mountain View IV Riverside Interconnect a 49 MW Wind Generating Facility via a new substation; upgrade line protection at SCE's Garnet Substation; upgrade telecommunication facilities and RTU at SCE's Devers 49 MW WDT213 Pending Expected to be Engineering & Design Oct-11 Final ReviewExempt DPT2 Interconnect a 114 MW Solar Generating Facility to SCE's 220/ Substation by terminating the DPT2 gentie line in a new position at Install telecommunications facilities to support line protection and the special protection system; install RTU. 114 MW TOT210 CPCN filed Engineering & Design Jul Interconnect a 200 MW Solar Generating Facility to SCE's 220/ Substation by terminating the 3 gentie line in a new position at Install telecommunications facilities to support line protection and the special protection system, install RTU; Install two 220/ transformer banks with associated bank positions and one transmission line position to terminate the new Eldorado line; extend the Eldorado buses two positions to the west and install one double breaker line position to terminate the new line; remove Eldorado 220/ transformer bank and related equipment. 200 MW TOT242 CPCN filed Engineering & Design Aug-13 Desert Sunlight PVI and PVII Riverside Interconnect a 550 MW Solar Generating Facility to SCE's Redbluff 500/ Substation; Construct new 500/ Redbluff Substation; Loop the Colorado Rivers-Devers No kV line in and out of Redbluff Substation; terminate the Desert Sunlight gentie line in a new position at Redbluff Install telecommunications facilities to support line protection; install RTU. 550 MW TOT198 TOT199 PTC Filed Engineering & Design Dec Coram Brodie Wind Kern Interconnect a 102 MW Wind Generating Facility to SCE's Windhub 66kV Substation; terminate the Coram Brodie Wind 66kV gentie line in a new position at Windhub Install telecommunications facilities to support line protection; install RTU. Advance SCE's EKWRA Project to support the in-service date requested by the interconnection customer. TRTP network upgrades apply. 102 MW 66kV TOT146 TOT153 - part of the Engineering & Design Dec Manzana Wind Kern Interconnect a 300 MW Wind Generating Facility to SCE's Whirlwind Substation; terminate the Manzana Wind gentie line in a new position at Whirlwind Install telecommunications facilities to support line protection; install RTU. TRTP network upgrades apply. 300 MW TOT108 - part of the Engineering & Design May-12 Granite Wind Interconnect a 60 MW Wind Generating Facility to SCE's new Jasper Substation; Construct a new Jasper Substation; terminate the Granite Wind gentie line at Jasper Substation; loop the existing Lugo-Pisgah No. 1 line into Jasper Substation (temporary); loop the proposed Cool Water- Lugo line into Jasper Install telecommunications facilities at Jasper Substation to support line protection; upgrade line protection at Pisgah and Lugo Substations; install RTU. Install alternative source of station light and power. 60 MW TOT183 PTC Engineering & Design Nov Blythe Solar Power Riverside Interconnect a 1000 MW Solar Generating Facility to SCE's expanded Colorado River 500/ Substation; Expand the Colorado River 500kV Substation to include a new switchayard and transformation; terminate the two (2) Blythe Solar Power gentie lines at Colorado River Substation; loop the proposed Devers-Colorado River line into the proposed Red Bluff 500/ Substation; upgrade MIra Loma-Vista line drop at Vista Substation; install special protection system; upgrade the four (4) West of Devers lines. Install telecommunications facilities at Colorado River Sustation to support line protection and special protection system; install RTU MW TOT276 PTC Filed Engineering & Design Phase I (500 MW) - Nov-13 Phase II (500 MW)- May Palen Solar II Riverside Interconnect a 500 MW Solar Generating Facility to SCE's proposed Red Bluff 500/ Substation; terminate the Palen Solar II gentie line at Red Bluff Substation; loop the proposed Devers-Colorado River line into the proposed Red Bluff 500/ Substation; expand the Colorado River 500kV Substation to include a new switchayard and transformation; upgrade MIra Loma-Vista line drop at Vista Substation; install special protection system; upgrade the four (4) West of Devers lines. Install telecommunications facilities at Red Bluff Sustation to support line protection and special protection system; install RTU. 500 MW TOT321 PTC Filed Engineering & Design Jun-18 Mojave Solar Project Interconnect a 250 MW Solar Generating Facility to SCE's proposed Lockhart Substation; Construct a new Lockhart Substation; terminate the Mojave Solar two (2) gentie lines at Lockhart Substatio loop the existing Cool Water-Kramer No. 1 line into the proposed Lockhart Substation; upgrade the existing special protectionsystem; install telecommunications facilities to support line protection and the spec protection system; install RTU. Construct a new Cool Water-Lugo transmission line. 250 MW TOT175 PTC CPCN Pending Engineering & Design Feb AV Solar I Kern Interconnect a 250 MW Solar Generating Facility to SCE's Whirlwind Substation; terminate the AV Solar I gentie line in a new position at Whirlwind Install special protection system; replace/upgrade 500kV circuit breakers at Vincent Install telecommunications facilities to support line protection and special protection system; install RTU. Install 2nd and 3rd AA transformers at Whirlwind 250 MW TOT345 Pending Engineering & Design Sep Generation Projects which have executed an interconnection agreement, require Network Upgrades on the ISO Grid, and are not yet in serivce.