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Beacon Solar Plant BESS
20MW / 10MWh

With a target of 178 MW of new energy storage to meet by 2021 and a need to address grid reliability issues created by the interruption in natural gas supply from SoCal Gas’ Aliso Canyon storage facility, the Los Angeles Department of Water and Power (LADWP) is fielding a 20 MW / 10 MWh battery energy storage system (BESS) adjacent to its Beacon Solar Plant in the Mojave Desert.

Doosan GridTech Solution

Doosan’s modular turnkey design includes thirteen transformer/PCS/lithium-ion battery strings, redundant auxiliary power systems, and 100% redundant HVAC systems. The design also enables preventative maintenance, which is necessary for the harsh Mojave Desert environment, to occur without sacrificing availability.


The BESS is controlled by the Doosan GridTech Intelligent Controller® (DG-IC®) - one of the first software control systems built on open standard interfaces. The DG-IC is the “brains” within each BESS, with the intelligence to coordinate schedules and operating modes with SCADA and respond to local signals from power meters and other sources. The software is highly scalable enabling LADWP to potentially expand the Beacon site up to 50 MW of capacity without the need for additional control software.

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