Wärtsilä’s decision to launch a strategic review of its energy storage & optimisation (ES&O) business, including potential divestment, may be because of its dilutive effect on the broader company’s margins, an analyst told Energy-Storage.news.

The versatility of battery storage to provide a broad range of services makes them “particularly valuable” to virtual power plants (VPPs), according to a senior advisor to the US Department of Energy (DOE).

The Puerto Rico Energy Bureau (PREB) has approved the deployment of 430MW of 4-hour duration BESS technology, according to reports.

Another look at the fortunes of a trio of long-duration energy storage (LDES) providers with non-lithium technologies.

New-build battery storage projects from three developers totalling 357MW awarded contracts in Belgium’s latest capacity market auction.

Energy-Storage.news speaks with US Department of Energy Loan Programs Office head Jigar Shah in the second part of our exclusive interview.

Amendments to rules for battery storage state-of-charge (SOC) in the ERCOT, Texas, market are ‘an improvement’ to the current ones but will still impact the ability of batteries to provide ancillary services, Gridmatic has said.

Eric Dresselhuys, CEO of iron and saltwater electrolyte flow battery provider ESS Inc speaks to Energy-Storage.news about markets, strategy and profitability for long-duration energy storage (LDES).

Boralex, EDF and Atura Power have submitted plans for BESS projects to the Town of Greater Napanee, Ontario.

Successful optimisation of batteries co-located with wind is complex but could help “unlock a blueprint” for managing assets at portfolio level, the chief executive of UK software company Arenko has said.