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Arevon starts construction on 300-MW California energy storage project

By Kelsey Misbrener | August 1, 2025

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Arevon Energy recently celebrated the start of construction on its Nighthawk Energy Storage Project in Poway, California. The 300-MW/1,200-MWh project will be able to power up to 385,000 homes during the peak electricity demand periods for four hours each day.

Arevon developed and will own and operate the $600 million Nighthawk Energy Storage Project. California-headquartered Rosendin is building the project on behalf of Arevon, which is anticipated to employ more than 130 workers during the height of construction. PG&E will be the offtaker of the project through a long-term PPA.

Utility-scale battery systems allow electricity to be stored during low demand periods and then efficiently discharged onto the grid — responding quickly at high demand and vital periods, with projects strategically located on the transmission system to reduce the risk of brownouts and blackouts. Nighthawk Energy Storage will feature modern lithium iron phosphate batteries.

“What sets the Nighthawk Energy Storage Project apart is Arevon’s years of experience and proven track record in successfully developing safe, reliable renewable energy and battery storage projects in California and throughout the United States as well as the project’s design, which includes added safety measures and will comprise the safest and most advanced batteries on the market today. In addition, Arevon has partnered with the Poway Fire Department, who is committed to protecting the community, first responders and the facility in the unlikely event an incident occurs,” said Kevin Smith, CEO at Arevon. “Battery storage is the way of the future, and Arevon is pleased to bring this essential energy solution to Poway, where we are committed to being a great community partner through the project’s multi-decade life.”

News item from Arevon Energy

About The Author

Kelsey Misbrener

Kelsey Misbrener was a long-time editor of Solar Power World and is still involved in the solar industry. Contact her on LinkedIn.

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