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.

Australian energy major AGL Energy has confirmed that two transformers for the 1,000MWh Liddell battery energy storage system (BESS) in New South Wales have been delivered.

Optimisation platform provider Ascend Analytics and EPC firm SolarMax Technologies have announced battery storage projects by clients and partners in Texas’ ERCOT market.

Energy storage developer and system integrator Energy Vault has received approval to pursue market-based participation in the California Independent System Operator (CAISO) with the Calistoga Resiliency Centre (CRC).

A double-header of Poland grid-scale BESS news, with GoldenPeaks Capital entering the market with a two-project acquisition, and R.Power securing a PPA for a solar-and-storage project.

Pacific Green has inked a 10-year tolling agreement with ZEN Energy across three BESS in Australia, totalling 1.5GWh of capacity.

A report by American Clean Power Association (ACP) and Aurora Energy Research states that the MISO service area will need a 500% rise in battery storage by 2035.

We caught up with the CEO of BESS optimiser Enspired to discuss what the emergence of tolls means for companies like his, and what role optimisers can play in the area of performance warranties.

Grid-scale BESS discharge has hit an all-time quarterly high in Australia’s National Electricity Market for an average of 162MW in Q2 of 2025.