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August 31, 2021

SCE LM6000 Hybrid EGT – Grapeland BESS, US

By Carmen

The SCE LM6000 Hybrid EGT – Grapeland BESS is a 10,000kW energy storage project located in Rancho Cucamonga, California, US.

The electro-chemical battery energy storage project uses lithium-ion as its storage technology. The project was announced in 2016 and was commissioned in 2017.


The SCE LM6000 Hybrid EGT – Grapeland BESS was developed by Wellhead Electric. The project is owned by Southern California Edison (100%), a subsidiary of Edison International.

The key applications of the project are electric supply reserve capacity – spinning, frequency regulation and load following (tertiary balancing).

Contractors involved

General Electric, Southern California Edison and Wellhead Electric have delivered the battery energy storage project.

Additional information

This is the first of two units that GE has delivered for SCE only months after announcing initial deployment plans of this innovative technology. The LM6000 Hybrid Electric Gas Turbine (Hybrid EGT) system supports SCE’s increasing renewable energy capacity by providing quick start, fast ramping capabilities when they are needed. The unit integrates a 10 MW/ 4.3 MWh battery energy storage system capable of immediately providing power with GE’s proven 50MW LM6000 aeroderivative gas turbine. The Energy Storage System is funded by Southern California Edison.

About Wellhead Electric

Wellhead Electric Company, Inc. is a developer, owner and operator of gas-fired power generation projects.


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.

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