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PG&E bankruptcy threatens major battery storage project

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PG&E bankruptcy threatens major battery storage project
FILE PHOTO: PG&E crew work on power lines to repair damage caused by the Camp Fire in Paradise, California, U.S. November 21, 2018. REUTERS/Elijah Nouvelage   -   Copyright  ELIJAH NOUVELAGE(Reuters)
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By Jim Christie and Nichola Groom

(Reuters) – A major battery storage project that would help California replace three of its natural gas power plants may need to be scrapped as a result of PG&E Corp’s bankruptcy, according to court documents filed this week.

Californian electricity and gas supplier PG&E filed for bankruptcy protection in January, in anticipation of significant expected liabilities from wildfires in the state.

The bankruptcy poses a threat to California’s climate change ambitions by putting in limbo dozens of large solar, wind, and other clean energy projects PG&E has contracted with other companies.

Because PG&E can reject contracts in bankruptcy, energy developer esVolta LP said in papers filed with the U.S. Bankruptcy Court in San Francisco on Wednesday that it feared it would not be able to line up financing for its 75 megawatt Hummingbird battery storage project.

“Hummingbird’s position is becoming untenable,” esVolta said in the filing, noting PG&E had said it was not in a position to make a decision on whether to keep or reject its contract for using the planned battery-storage facility.

esVolta is one of four companies that received large battery storage contracts from PG&E last year as clean, cost-effective alternatives to three Calpine Corp natural gas generators in Northern California.

The others include Tesla Inc, Vistra Energy Corp unit Dynegy, and Micronoc Inc.

esVolta and PG&E did not immediately respond to requests for comment.

Tesla declined to comment on its contract, which is for a 182.5 MW project that would be owned by PG&E. Neither Dynegy nor Micronoc responded to requests for comment on their projects, which are for a 300 MW facility and 10 MW of storage, respectively. One megawatt is capable of powering about 750 homes at once.

The California Public Utilities Commission, which approved the contracts last year, said it had confidence that the Tesla, Dynegy and Micronoc contracts would progress.

“While it is unfortunate that they (esVolta) are unable to find necessary financing, the CPUC believes the other projects are able to continue with project development,” CPUC spokeswoman Terrie Prosper said in an email.

The market for energy storage is still small, but batteries have long held the promise of solving the intermittent nature of renewable energy sources such as wind and solar, so their development is closely watched by investors, regulators and power companies.

The Hummingbird storage facility was scheduled to begin construction in the second quarter of 2020.

(Reporting by Nichola Groom in Los Angeles and Jim Christie in San Francisco, Editing by Rosalba O’Brien)

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