Polaris Renewable Energy, on behalf of the Puerto Rico Electric Power Authority (PREPA), has submitted a battery energy storage system (BESS) standard offer (SO1) agreement to the Puerto Rico Energy Bureau (PREB).

Energy-Storage.news Premium speaks with the co-founder and chief products officer of microinverter and home energy storage system supplier Enphase Energy, Raghu Belur, to discuss the domestic content of its systems and the company’s latest earnings report.

FlexGen “felt compelled to step up” and ensure the continuity of operation of the more than 11GWh of assets deployed by acquisition target Powin.

Fluence expects to hit the lower end of its previously issued revenue guidance for the 2025 financial year due to delays in ramping up at US production sites.

Louisville Gas and Electric Company (LG&E) and Kentucky Utilities Company (KU) have withdrawn plans to deploy a new 400MW/1,600MWh BESS.

Massachusetts’s electric distribution companies (EDCs) and the state’s Department of Energy Resources (DOER) have launched a request for proposals (RFP) for approximately 1,500MW of mid-duration energy storage systems.

Wood Mackenzie’s BESS supply rankings list shows ‘intensifying regional competition and shifting dynamics’ as Tesla remains number one.

A 535MW fleet of aggregated household battery storage systems, including Tesla Powerwalls, effectively reduced net load on the California grid in a recent test event.  

One of the world’s major players in solar PV is also becoming a well-known name in the energy storage system (ESS) space.

Energy storage developer and system integrator Energy Vault has acquired the 125MW/1,000MWh Stoney Creek BESS in New South Wales, Australia.