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SPP Board Approves Alternative, Accelerated Generation Interconnection Process to Improve Regional Resource Adequacy

LCG, May 8, 2025--The Southwest Power Pool (SPP) Board of Directors approved SPP’s proposed Expedited Resource Adequacy Study (ERAS) at its May 6 meeting. SPP developed the new ERAS in collaboration with its stakeholders in response to the growing need to add new generating resources before the region’s generating capacity is outpaced by its electricity demands. ERAS is intended to be a one-time, expedited study process designed to significantly accelerate the addition of new power generation facilities to the grid and address concerns about the near term ability to maintain the affordable and reliable electric service that consumers expect.

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EDP Renewables Completes Scarlet II Solar and Energy Storage Project in California

LCG, May 7, 2025--EDP Renewables North America LLC (EDPR NA) announced yesterday the inauguration of its Scarlet II Solar Energy Park (Scarlet II) in Fresno County, California. This phase of the solar plus energy storage project includes 200 MW of solar capacity, plus a co-located 150 MW/600 MWh battery energy storage system (BESS). The initial phase of the project, Scarlet I, which provides 200 MW of solar and 40 MW/160 MWh of BESS, achieved commercial operations in July 2024.

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Industry News

Calpine's Otay Mesa Energy Center Delivers Power to the Grid

LCG, October 22, 2009--Calpine Corporation announced yesterday that it has successfully placed into service its Otay Mesa Energy Center, a gas-fired, combined cycle electric generating facility located near San Diego, California.

Power from the 600-MW Otay Mesa Energy Center supplies San Diego Gas & Electric (SDG&E) electricity under a 10-year tolling agreement. The agreement enables SDG&E to dispatch power from the Otay Mesa facility to serve its customers, and SDG&E provides the natural gas to fuel the facility.

The advanced facility includes GE combustion turbines and a Siemens Westinghouse steam turbine. The cooling system at the plant employs air cooling, rather than using water. The Otay Mesa Energy Center is the largest air cooled power plant in California.
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