Explosive growth: BNEF expects California residential battery installations to quadruple this year

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BNEF expects the California residential battery market to explode this year.

Driven by plunging prices and the threat of power cut-offs in California, BNEF claims that customers installing solar are “willing to pay a premium to add storage for backup.”

BNEF expects 50,000 residential battery systems to be installed his year — up from the 19,000 California homes that had batteries in 2019.

As SunPower CEO Tom Werner said in a recent pv magazine interview, “It’s our belief that most solar systems will have storage — and it’s not that far away.”

Werner attributes the growth to PG&E’s Planned Safety Power Shutoff, along with the cost of storage coming down.

Brent Willson, the CEO of battery startup NeoVolta, sees residential energy storage growth in Southern California spurred by increases in Tier-1 pricing for consumers and “anti-solar” time-of-use pricing.

Sunrun has storage attach rates of 40-plus-percent in California.

Marco Mangelsdorf, a solar installer in Hawaii, said 70% of new solar customers are requesting storage — up from 60% last year.

BNEF suggests that homeowners “will need a large battery in order to keep power during long outages.”

Solar and storage companies such as Tesla, sonnen, LG, Sunrun, Vivint and SunPower are going to be the beneficiary of this anticipated growth.

California solar installer, Barry Cinnamon, said, “I kind of compliment PG&E because they’re our best marketing department when it comes to battery storage. Now the challenge is there’s a very limited number of battery storage systems that are going to meet the reliability threshold.”