Virtual power plants, flow batteries and the economics of lithium-ion battery degradation are the focus of three feature-length articles, available now in the latest edition of Solar Media’s quarterly journal PV Tech Power.

Utility Xcel Energy’s latest resource plan for Colorado, aimed at increasing renewable energy generation and aiding the retirement of coal plants, was approved by the state’s Public Utilities’ Commission (PUC) on Monday.

A household just outside Berlin has become the recipient of the 100,000th grid-connected residential battery energy storage system in Germany.

There are very different drivers for deploying energy storage in the four provinces of China that announced significant capacities of projects this year, the China Energy Storage Alliance (CNESA) has said.

Energy storage projects were under construction across four provinces of China, amounting to 340.5MW of new capacity during the first half of this year in the country, according to the China Energy Storage Alliance (CNESA).

Amid the ongoing furore about the Federal Government’s proposed National Energy Guarantee (NEG), a 280MW solar PV project and a 52MWh battery project are both set to go ahead in South Australia, it has been announced today.

News in brief from around the world of energy storage.

“There are already many Gigawatt-hours of batteries on wheels”, which could be used to provide balance and flexibility to electrical grids, if the “ultimate potential” of vehicle-to-grid (V2G) technology could be harnessed.

Battery manufacturing represents a “huge economic opportunity for India”, according to a draft ‘National energy storage mission’ (NESM) document, which outlines how the country could capture value across the supply chain and accelerate the country’s adoption of renewable energy.

Following news yesterday of the first grid-scale solar-plus-storage system on the Hawaiian island of Molokai, two more modestly-sized projects show the potential diversity of applications for energy storage in the US state.