Peaking plant Bayonne (NJ/USA) A flexible solution to support a volatile grid based on aero-derivative turbines Tom Scarinci & Tobias Aschoff siemens.com/gasturbines
Case study Bayonne Energy Center Key facts Owner (NYSE:MIC) Macquarie Infrastructure Corporation Operator EthosEnergy Group Eight aero-derivative Siemens SGT-A65 TR* with 512 MW generating capacity, in operations since 2012 Currently building additional 132 MW (two more SGT-A65 TR) on adjacent land owned by IMTT Also constructing additional gas lateral to Spectra TETLP M3 pipeline (already connected to Transco Z6) Dual fuel capable with liquid fuel connection from Buckeye Terminal Provides peak power to New York City via a 6.5-mile submarine cable * formally know as Industrial Trent 60 Page 2
Bayonne Energy Center Necessity BEC is needed to ensure competitive peaking power and grid stability for NYC Why NYC load is predominantly driven by the ambient temperature and the weather forecast (A/C demand depending on temperature) The NYC grid has a load spread of 3,500 MW and more per day Most of the other NYC power plant facilities are more than 40 years old 9.000 8.000 7.000 6.000 N.Y.C. load forecast 3,500 MW spread How BEC is the New York City peaking facility providing the most flexible operating range and the only one offering 10min nonspinning-reserve with automatic dispatch 500 MW in 10 min 5.000 4.000 3.000 Time Stamp 09/21/2016 09/22/2016 09/23/2016 09/24/2016 09/25/2016 Page 3
Bayonne Energy Center Purchasing Criteria BEC Requirements SGT-A65 TR Multiple starts and stops per day Unlimited cycles per day, no lock-out Low cost per start Low parasitic loads, fast acceleration 10 minute start (non-spinning reserve) 500 MW in <10 minutes (cold to full load) High full and part load efficiency Best in class efficiency levels High availability and starting reliability Very low eford, very high starting reliability High power density Highest MW output on BEC s footprint Black start capable Low starting power requirement (<350 kw) Automatic generation control Automatically starts & achieves MW set point Low operation and maintenance costs Two operators on shift for eight turbines State of the art (SOTA) emission levels Best achievable emission performance Page 4
Bayonne Energy Center High cycling capability Total plant Output (~500 MW peak) Unit No. 2 Output (64 MW max) BEC supports the volatile demand of the NY grid using high cycle capable units Total plant Output (~500 MW peak) Unit No. 2 Output (64 MW max) No EOH counter March 7, 2016: 33 total start (six starts on unit 2) Page 5
Bayonne Energy Center 10 minutes start up capability & low cost per start Fast start enables 10 min non-spinning-reserve and low start up costs due to less time at lower efficiency SGT-A65 TR WLE (Gas Fuel) 10 min start sequence Start Initiation Start LO & Hydr. Systems & Enclosure Ventilation (70s) GT Rotation to Purge Speed (60s) Cold Purge (21s) RR Std Pkg, Site Specific) ISO 21789 Lightoff to Sub- Sync Idle (20s) Sub Sync Idle (SSI) Dwell (90s) Accel from SSI to SI (40s) Auto Sync check & in Progress and breaker close (30s) Acceleration to 66MW (194s) High Speed Spool Speed (NH) (rpm) 12000 10000 8000 6000 4000 2000 0 Start permissives are met, then start Ventilation system @ 5s Begin G.T. Rotation to Purge G.T. Purge Speed Achieved Complete Purge Sub-Sync Idle Achieved 0 50 100 150 200 250 300 350 400 450 500 550 600 Total air volume purged by gas turbine only is 124.14 m 3. Code requirements define volume and time requried GT Warm-up Complete Time (Seconds) Sync Idle Achieved Breaker Closed Ramp Rate Increase - 0.35 MWe/s Decrease - 0.17 MWe/s Droop Control 0.65 MW/s (Max) Baseload Achieved Cost per start: $40-60 Based on 20 MMBTU gas required to accelerate to base load and $2-3 per MMBTU Page 6
Bayonne Energy Center High full and part load efficiency Multiple unit concept enables flexibility and optimized efficiency at all operating points Advantages of multiple unit power plants High simple cycle full load efficiency Better efficiency at most part load operating points Fast start and steep ramp rates Low station power loss during gas turbine maintenance outage (up to 448 MW available) Turndown to <5% plant output Emission compliance over entire curve BEC efficiency higher than most other NYC peaking facilities * Schematic Plant Efficiency Curve* Efficiency (%) 42 40 38 36 34 32 30 28 26 0 0 50 100 150 200 250 300 350 400 450 500 550 Power (MW) Page 7
Bayonne Energy Center High availability and starting reliability Report Summary Month (2016) Att. Act. Rel. eford EAF January 207 206 99.5% 0.40 96.82 February 263 261 99.2% 0.73 99.90 March 512 511 99.8% 1.76 98.50 April 423 422 99.8% 0.29 88.07 May 328 325 99.1% 0.03 81.06 June 275 273 99.3% 0.14 99.89 July 311 311 100.0% 0.59 97.63 IEEE Standard eford A measure of the probability that a generating unit will not be available due to forced outages or forced derating when there is a demand on the unit to generate Average simple cycle eford 5.30% BEC 2016 YTD eford = 0.86 % Only 13 failed starts out of 2653 attempts. Average failed start 15 minutes August 334 331 99.1% 1.30 97.90 Report Totals 2653 2640 99.5% 0.86 94.94 Att. = Attempted Starts Act. = Actual Starts Rel. = Starting Reliability eford = Equivalent Demand Forced Outage Rate EAF = Equivalent Availability Factor Page 8
Bayonne Energy Center Highest power density Optimal land utilization in the high price NYC area The applied solution enables about 20% more power on the give ground SGT-A65 TR Other solutions 512 MW ~400 MW 19 kw/m² 14.5 kw/m² +132 MW BEC Expansion Site Bayonne Energy Center ( BEC ): 6.8 acres ( 27,500 m²) Page 9
Siemens SGT-A65 TR Heritage from Rolls-Royce Aero Trent Trent 800 SGT-A65 TR SGT-A65 TR ~30 Million Aero Trent 800 hours 1.2 Million SGT-A65 TR fleet hours Page 10 104 Total engines sold
Siemens SGT-A65 TR Combustion Systems Wet Low Emission (WLE) Dual fuel with water injection burner No EOH on liquid operation. Dry Low Emission (DLE) Page 11
Siemens SGT-A65 TR Package Designed for Maintainability and Quick Installation Engine weighs less than 11 tonnes and is air freight transportable Small footprint (~220 m²) Installation possible <75 days Engine change-out within <48 hours Weights GT Skid GT Package Roof GT Engine Filter Generator Skid 75,000 kg 18,000 kg 14,000 kg 21,300 kg 107,000 kg Page 12
SGT-A45 TR Mobile Unit Fast Power. Superior Performance. Trusted technology. Key benefits 44 MW e (ISO) highest power density 2-weeks installation Delivered by road, air or sea Performance optimized for hot climates 50 Hz or 60 Hz Liquid and gas fuel Emissions as low as 25 vppm NO x Proven turbomachinery Minimal site interfaces and preparation Page 13
Conclusion & Outlook Conclusion Outlook BEC is a successful plant for grid support in a weather driven, highly volatile grid due to Fast start and operational flexibility High full and part load efficiency High reliability and availability Bayonne recently extends the plant by two more units due to good experience and great performance The concept can be applied to other volatile grids e.g. with high share of renewables Flexible Combine Cycle Plants with up to 53.6% efficiency Hybrid plants SGT-A65 TR with heavy duty large gas turbine (using the same boiler) SGT-A65 TR combined with battery storage for back start and quick response SGT-A65 TR with CSP plant (using the same boiler) Mobile Power SGT-A45 TR Mobile Unit with 44MW launched Page 14
Thank you for your attention Tobias Aschoff Power and Gas Division Distributed Generation PG DG SPM Mobile: +49 173 5133163 E-mail: tobias.aschoff@siemens.com Tom Scarinci Power and Gas Division Distributed Generation PG DG GCS Mobile: +1 514 4636283 E-mail: thomas.scarinci@siemens.com siemens.com Page 15
BACK-UP Siemens SGT-A65 TR Package Layout Exhaust stack Package ventilation ductwork Combustion air inlet filter (incl. ducting for Inlet Fogging or Chilling coil) Package base plate LP BOV ductwork OAC AC Gen SGT-A65 TR Package sliding doors Page 16
Disclaimer This document contains statements related to our future business and financial performance and future events or developments involving Siemens that may constitute forward-looking statements. These statements may be identified by words such as expect, look forward to, anticipate intend, plan, believe, seek, estimate, will, project or words of similar meaning. We may also make forward-looking statements in other reports, in presentations, in material delivered to shareholders and in press releases. In addition, our representatives may from time to time make oral forward-looking statements. Such statements are based on the current expectations and certain assumptions of Siemens management, of which many are beyond Siemens control. These are subject to a number of risks, uncertainties and factors, including, but not limited to those described in disclosures, in particular in the chapter Risks in Siemens Annual Report. Should one or more of these risks or uncertainties materialize, or should underlying expectations not occur or assumptions prove incorrect, actual results, performance or achievements of Siemens may (negatively or positively) vary materially from those described explicitly or implicitly in the relevant forward-looking statement. Siemens neither intends, nor assumes any obligation, to update or revise these forward-looking statements in light of developments which differ from those anticipated. Trademarks mentioned in this document are the property of Siemens AG, its affiliates or their respective owners. TRENT and RB211 are registered trade marks of and used under license from Rolls-Royce plc. Trent, RB211, 501 and Avon are trade marks of and used under license of Rolls-Royce plc. Page 17