The UK government’s Department of Business, Energy and Industrial Strategy (BEIS) has refused to provide any clarity over when a decision on the potential de-rating of energy storage assets within the capacity market (CM) will be made despite a senior policy advisor stating the judgement is “imminent”.

Independent accreditation and testing company DNV GL has created Battery XT, the first testing-based verification of battery lifetime for Li-on batteries.

Managing director of UK energy storage manufacturer Powerflow, Ian Murray, addresses some FAQs on what consumers should be asking about batteries before buying them for their houses.

With grid-connected energy storage a relatively new technology, stakeholders are yet to fully understand many of the risks and business opportunities it presents, DNV GL’s Dr Martijn Huibers has said.

The UK’s Solar Trade Association (STA) has refuted claims made in a recent report that a residential solar array in combination with an energy storage system was not “economically viable”, calling it flawed and lacking in detail.

There is no economic benefit from installing energy storage with solar PV in UK homes, a new study has suggested, adding that the cost of battery degradation would cost homeowners £400 (US$518) in the first year.