Battery-stored electricity could reduce power use and save money, report says

By Ivan Penn, The Los Angeles Times

Utilities would save consumers money and help support the electric grid if the companies tapped unused power stored in existing home and business batteries, according to a report released Thursday by the Rocky Mountain Institute.

The report, titled “The Economics of Battery Energy Storage,” states that most batteries already in use serve only as backup power when other electricity isn’t available. Instead, the electricity in the batteries could help reduce congestion over power lines as utilities work to send power from various plants during high demand. The battery-stored electricity also could immediately provide support to the grid in an emergency. And for customers, the batteries could help them better manage their electricity use and reduce their costs. Consumers could tap the stored power during times when electricity costs are high rather than buying from the grid, reducing their electric bills beyond the use of solar panels alone.

In particular, California already is seeking to employ more energy storage along with increasing use of renewable sources such as solar and wind to help reduce pollution, said Jesse Morris and Garrett Fitzgerald, the authors of the report. The mandates from state regulators largely target the utilities, but Morris and Fitzgerald said the existing storage in homes and businesses creates another opportunity for the state, the utilities and consumers.

Read full article in the Los Angeles Times

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