The first lithium-ion battery cells have been produced at Northvolt’s new gigafactory in Sweden and a UK sodium-ion battery startup has been acquired by the solar subsidiary of India’s Reliance Industries.

Used lithium-ion batteries taken from carmaker Audi’s electric vehicles (EVs) have been repurposed into a ‘second-life’ stationary energy storage system by energy company RWE at a project in Herdecke, Germany. 

The energy storage division of solar PV inverter manufacturer Sungrow has signed a 430MWh battery energy storage system (BESS) contract with Israel’s Enlight Renewable Energy. 

While we’re waiting to get started up for what looks like being a busier year than ever in 2022, let’s look back as we reveal the most-read blogs and features for 2021.

Let’s take a look now and see which news stories were most read during 2021 here on the site.

News in brief from a busy week for the UK’s energy storage industry.

The Solar Media editorial team reflect on what’s proven to be a frenetic 12 months for the global solar PV and energy storage industries.

A second installation phase has been completed at TotalEnergies’ battery energy storage facility in Dunkirk, northern France, bringing its output and capacity to 61MW / 61MWh.

The largest battery energy storage system (BESS) project in the Netherlands so far will also be Europe’s first large-scale grid storage project to use lithium iron phosphate (LFP) battery technology.

Flow battery company Invinity Energy Systems, alongside developer Pivot Power, has fully energised the UK’s largest flow battery, located in Oxford, England.