Arevon Energy, Inc. has announced the commercial operation of its 300 MW/1,200 MWh Nighthawk Energy Storage Project in Poway, California. The standalone battery energy storage system (BESS) is the largest project in Arevon’s portfolio and one of the major energy storage facilities in the San Diego region.
The project uses lithium iron phosphate (LFP) battery technology and is designed to store electricity during periods of lower demand and dispatch it during peak demand. Nighthawk can provide enough energy to power up to 385,000 homes for up to four hours, supporting grid reliability across the San Diego region.
Arevon developed, constructed, owns, and operates the project under a long-term agreement with Pacific Gas and Electric Company (PG&E). The project is expected to generate more than $30 million in property tax revenue over its lifetime, supporting local schools, public safety, infrastructure, and other community services.
During peak construction, the project employed more than 130 workers and generated economic activity for local businesses. Arevon also partnered with community organizations in Poway and the wider San Diego area, supporting initiatives focused on youth programs, first responders, special-needs services, climate education, and local nonprofits.
The commissioning of Nighthawk adds to Arevon’s growing energy storage portfolio in California. The company has more than 4 GW of renewable energy capacity in operation in the state, alongside projects including Eland Solar-plus-Storage, Peregrine Energy Storage, Vikings Solar-plus-Storage, and Condor Energy Storage. Its 250 MW Cormorant Energy Storage Project is currently under construction in Daly City.
With Nighthawk now operational, Arevon is strengthening California’s battery storage capacity as the state continues to expand energy storage infrastructure to meet rising electricity demand and support grid reliability.
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