The PG&E-Compressed Air Energy Storage System is a 300,000kW energy storage project located in San Joaquin County, California, US.

The electro-mechanical energy storage project uses compressed air storage as its storage technology. The project was announced in 2010 and will be commissioned in 2021.

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Description

The PG&E-Compressed Air Energy Storage System is owned by Pacific Gas and Electric (100%), a subsidiary of PG&E.

The key applications of the project are electric energy time shift, renewables capacity firming and electric supply reserve capacity – spinning.

Contractors involved

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Pacific Gas and Electric is the owner of PG&E-Compressed Air Energy Storage System.

Additional information

A 300 MW A-CAES demo plant will use an underground storage container (depleted gas reservoir), and next-generation turbomachinery.
The project has 3 phases:
Phase 1 – preliminary engineering, geologic reservoir engineering, econmoic analyses, and regulatory permitting;
Phase 2 – Construction and plant commissioning;
Phase 3: Plant operation and plant performance monitoring.
This Project is funded by US Department of Energy, Office of Electricity – DOE Grant Program and CPUC, CEC, EPRI – CPUC/EPRI/CEC Match Funding with $25,000,000 and $25,000,000 respectively.

Methodology

All publicly-announced energy storage projects included in this analysis are drawn from GlobalData’s Power IC. The information regarding the projects are sourced through secondary information sources such as country specific power players, company news and reports, statistical organisations, regulatory body, government planning reports and their publications and is further validated through primary from various stakeholders such as power utility companies, consultants, energy associations of respective countries, government bodies and professionals from leading players in the power sector.