California utility optimises clean energy with storage


Through the collaboration, the two parties will construct 3.65MW energy storage systems for use by IEUA.

IUEA will use the energy storage plants to reduce its energy costs in treating and distributing water to its customers in Southern California.

The energy storage systems will be installed at six IEUA water treatment and distribution stations.

The energy storage systems deployment is expected to help the water company reduce its energy costs by 10% per annum.

In a press statement, IEUA said the project will enable it to store energy generated from renewable sources including wind, solar and biopower and use it to power water treatment and distribution pumps.

[quote] IEUA is currently completing some of its other clean energy projects which includes the development of 1MW of wind power, 2.8MW of biofuel cell generation and 3.5MW of solar energy.

The announcement of the energy storage project follows the release of a report by the California Energy Commission stating that 20% of energy generated in California is consumed by the water and wastewater treatment and distribution sectors.

Terry Catlin, board president at IEUA, commented: “We remain proud of our investments in energy efficiency, renewable generation, and sustainable water management practices.

“Energy storage is the key to maximizing the value of those investments, allowing us to use our resources more efficiently, reduce costs for our customers, and participate in building a more resilient electric grid for the whole region.”

Energy storage systems deployment

Meanwhile, US power utility Pacific Gas and Electric Company (PG&E) selected Green Charge to participate in its distributed energy resources management pilot.

Under the pilot, Green Charge has been tasked to develop energy storage systems for PG&E customers participating in the pilot in San Jose, California.

The storage systems will be used to store energy during off-peak periods and supply the stored energy into utility’s grid network during peak periods.

Vic Shao, CEO of Green Charge, said: “In California there are frequent periods of high demand for energy that cause stress on the electrical grid.” [Analysis: energy storage in California].

Under the deal Green Charge will integrate its grid asset management software GridSynergy with PG&E and GE’s distributed energy resources management software.

The integration will allow the utility firm to manage its distributed energy storage systems in real-time.


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