One of the nation’s largest battery storage facilities opens in Poway

Arevon Energy’s 1,200MWh California BESS begins operations

Renewable energy developer-operator Arevon Energy has put its 300MW/1,200MWh Nighthawk Energy Storage Project in Poway, California, US into operation.

One of the nation’s largest battery storage facilities opens in Poway

Local and state officials, along with Arevon executives, at the ribbon-cutting ceremony for the Nighthawk Energy Storage Project, Aug. 11, 2026.(Carolyne Corelis)The first battery energy storage system (BESS) officially opened Tuesday since a series of battery fires more than two years ago.The Nighthawk Energy Storage Project was the culmination of nearly a decade of work, said Justin Johnson, CEO of Arevon, the owner and operator of the battery…

1,200-MWh energy storage project comes online for PG&E

Arevon Energy has brought online the 300-MW/1,200-MWh Nighthawk Energy Storage Project in Poway, California. Nighthawk is the largest standalone battery storage project in the company’s portfolio. The LFP battery system enhances grid reliability in the San Diego region through a long-term agreement with Pacific Gas and Electric (PG&E). Over its lifetime, Nighthawk is expected to… The post 1,200-MWh energy storage project comes online for PG&E ap…

How battery storage systems can safely operate in island mode

How battery storage systems can safely operate in island mode Steve Humphreys, Technical Commercial Manager at NAPIT, explains how battery storage systems can safely operate in island mode. From isolators to earth electrodes and system referencing relays, he outlines the key components that ensure automatic disconnection of supply (ADS) protects essential circuits when the grid goes down.  With so many battery inverters and all-in-one systems, .…