Clearway signs PPA for 75MW of solar with battery storage in Oahu, Hawaii

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Hawaii has been a prolific installer of both rooftop solar and latterly batteries for energy storage. photo credit: Wikimedia wppilot.

San Francisco-headquartered firm Clearway Energy Group has signed power purchase agreements (PPAs) with utility Hawaiian Electric Company for two solar-plus-storage projects on Oahu, Hawaii, with a combined PV capacity of 75MW.

The power purchase agreements have been submitted to the Hawaii Public Utilities Commission (PUC) for review.

The Mililani I Solar project, located in the Mililani Agricultural Park, is sized at 39MW and the Waiawa Solar Power project, located in the Waiawa region, is sized at 36MW. Both projects will also include battery storage capability.

“We are proud of the work Clearway is doing with Hawaiian Electric and all of our partners in Hawaii to expand renewable energy in the state,” said Clearway Energy Group CEO Craig Cornelius. “Hawaii is already a leader nationally in renewable development.”

The two solar projects are in addition to three Clearway solar projects that are currently under construction and will be completed in 2019. Combined, the five projects will generate 185MW of low-cost renewable energy – enough to power approximately 62,000 Oahu homes each year.

Hawaii has been a prolific installer of both rooftop solar and latterly batteries for energy storage and one of the US state’s smaller islands last year was also set to get its first ever grid-scale solar-plus-storage system with a 22-year PPA at US$0.17/kWh.

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