Batteries

There are now 35 standalone grid-scale projects and at least 1,500 residential energy storage units in operation, industry analysis finds

New study suggests cost of adding solar to the UK power system - including back-up power for when the sun does not shine - stands at just £1.30 per megawatt hour, while solar-plus-storage systems are delivering net benefits

Lithium ion battery firm becomes first to use Nissan's technology in own products

Oxford-based tech firm now aims to bring its ultra-fast charge supercapacitors into production

Instead of Hinkley being the start of a "new wave" of British nuclear stations, it should mark the end of a long and sorry saga

The National Grid battery tender in August heralds a new era of energy storage, argues Labour's Alan Whitehead

SmartestEnergy report reveals key challenges remain for a nascent battery industry, despite encouraging energy storage auction

UK-based firm reported $1.4bn revenues last year but things could have been very different, says head of investor relations Jose Cano

Brian Paes-Braga, 28-year-old CEO of resource exploration firm Lithium X, believes lithium batteries can help wean the world off fossil fuels

RWE's renewables unit agrees deal to buy German solar PV and battery specialists in bid to bolster its position in utility-scale solar and storage markets