Revisions aimed at enabling energy storage’s participation in wholesale markets, proposed by New England’s Independent System Operator (ISO) have been accepted by the Federal Energy Regulatory Commission (FERC), effective 1 April this year.

Legislators in Minnesota have begun the first steps to establishing fair or optimal market conditions for the deployment of energy storage, setting out rules for determining the value of storage to the network.

Arizona Public Service (APS) has announced a plan to make solar energy dispatchable into the evening using batteries, calling for the deployment of 850MW of energy storage by 2025.

The installation will be used to provide “critical peaking capacity” and “increased” grid reliability. AES will provide a system with a four-hour duration based on Fluence’s Advancion platform. It will be leased under a 20-year contract with AES the owner and operator of the project.

Flow battery maker Avalon has initiated a novel business model aimed at lowering the cost of deployment of its energy storage units, effectively ‘renting’ the electrolytes in the devices to a customer in California.

A new poll has identified energy storage as the most promising technology for institutional investors keen on renewable assets, amid plans by many to ramp up allocations.

Shell is to acquire German battery storage manufacturer sonnen in a bid to accelerate its home energy services position.

After China connected a huge battery to a project combining solar, wind and other generation sources, a US utility project has just been announced which will likewise combine solar and wind with a grid-scale battery.

Solar-plus-storage systems in ordinary households will provide 20MW of energy capacity in New England, with Sunrun announcing the award of a contract from the state’s ISO (independent system operator).

Schneider Electric will perform an expansion of its microgrid project at Marine Corps Air Station (MCAS) Miramar in order to boost grid resilience at the facility.