Power company AES Corporation has completed construction of the 1,000MW Bellefield 1 project in Kern County, California. The project includes 500MW of solar and 500MW/2,000MWh of battery storage.

Energy storage-focused lithium-ion OEM Hithium has started mass production of the world’s first 1,000Ah+ battery cell, which it is targeting for long-duration energy storage (LDES) applications.

The Australian Energy Market Operator (AEMO) has successfully implemented a new rule in the National Electricity Market (NEM) incentivising participants to provide “helpful” impacts on frequency.

Prospect14 became the latest US renewable energy developer to have a hybrid storage project application scrutinised and ultimately rejected.

Renewable energy developer Acen Australia has received consent from the New South Wales IPC for a 640MWh wind-plus-storage project.

In this blog, ESN Premium speaks with Fluence’s Rob Hills and Sam Markham about hybrid assets and trends in Australia’s NEM.

According to specialist renewable energy insurance company kWh Analytics’ 2025 Solar Risk Assessment, concern around battery energy storage system (BESS) safety has risen following recent fire incidents.

A fire protection and emergency services provider in California, US, has introduced a mandatory risk mitigation payment system for solar PV and energy storage developers.

Texas, US, Governor Greg Abbott signed a law placing mandates on decommissioning battery energy storage system (BESS) facilities at the end of their lifecycle.

Details on the wind-down of US-based BESS firm American Energy Storage Innovations (AESI) have come out, while battery recycler Li-Cycle has filed for Chapter 15 bankruptcy and been ordered to cease stock market trading.