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Arizona's 1,200-MWh Papago Storage Project Commences Operations

LCG, July 7, 2025--Recurrent Energy, a subsidiary of Canadian Solar Inc., announced today that the 1,200 MWh Papago Storage facility in Maricopa County, Arizona, has achieved commercial operation. The project is now dispatching stored energy to Arizona Public Service (APS), the state's largest electric utility, in time to help meet rising electricity peak demands during the summer season.

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Public Service Company of Oklahoma Completes Acquisition of Green Country Power Plant

LCG, July 3, 2025--American Electric Power (AEP) announced today that on June 30, the 795-MW Green Country Power Plant officially became part of the generation portfolio of Public Service Company of Oklahoma (PSO), a unit of AEP.

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Industry News

Out-of-State Bidding Rule Potentially Harmful, CA ISO Says

LCG, May 28, 2003--A rule that allows only real-time energy bids of zero by non-California generators could unnecessarily restrict power supplies during the summer, according to a filing made with the Federal Energy Regulatory Commission by the California Independent System Operator.

The restriction was put in place to avoid the possibility of power being sold out-of-state, potentially leading to higher-cost purchases by California from out-of-state generators. It was to have ended with the introduction of new software to be used by the ISO, with the FERC's approval. Now, the software is expected to arrive later than planned, by fall of this year.

The grid operator still wants generators to be able to bid more than zero, which would allow them to keep from incurring operating costs greater than the market clearing price when their bids are selected. Even if allowed to bid more, those generators would not be able to set the market clearing price. The ISO said in its filing that out-of-state generators' bids into the real-time energy market are reduced from what they had been before the rule was put in place.
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