Southern California water district to optimize 4 solar installations by including battery storage


The Metropolitan Water District in Southern California is preparing to build four new battery storage systems that will increase the district’s energy resilience and reduce operating costs by optimizing solar energy and reducing peak loads on its facilities.

The agency’s board of directors on Tuesday approved the approval of $ 2.2 million to design the battery systems at water treatment plants in Granada Hills, La Verne and the Temecula Valley on the river, and for a pumping station in Lake Forest.

Completion is expected in mid-2022. The projects allow Metropolitan to store excess electricity for use at peak times. The energy storage systems are built with a microgrid configuration, which means that they can be connected to the larger power grid or function independently of each other to continue to supply the systems with power during a grid failure.

“As we saw with the summer power outages, prioritizing projects that protect critical facilities and help us deliver clean, reliable water to our vast service area is more important than ever,” said Jeffrey Kightlinger, Metropolitan general manager .

The projects at Metropolitan’s Jensen, Weymouth and Skinner plants, as well as the OC-88 pumping station, are also in line with Metropolitan’s Energy Sustainability Plan, which outlines ways to contain energy costs, become energy self-sufficient and reduce price volatility through cost efficiency with alternative Energy projects.

The projects are valued at $ 11-12 million. Through energy savings and incentives from the California Public Utilities Commission, Metropolitan is expected to amortize costs within three years.

“Over the past decade, Metropolitan has invested approximately $ 28 million in solar power systems at its Jensen, Weymouth, Skinner plants and Diamond Valley Lake visitor center to reduce our operating costs, protect against energy price increases and our carbon footprint to reduce.” said the chief engineer of the metropolis, John Bednarski. “These battery storage systems go one step further and enable us to store excess energy that is generated during the main hours of the sun for later use.”

The four metropolitan locations identified for the energy storage systems were selected based on their on-site solar power generation, their location in high-risk fire areas and / or their location in low-income / disadvantaged communities, and the conditions for approving the CPUC incentives.

Message from the Metropolitan Water District in Southern California

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