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.

For this third instalment of our look back at 2021, we’ve something of a mixture of views from around the industry.

Energy storage is a key enabler of net zero emissions in the UK, but some unresolved challenges still make it a complex sector to navigate, as Antonia Silvestri and Gary Roscoe, partners at law firm TLT, explain.

Seasoned renewable energy lawyer Adam Walters from Stoel Rives argues that procurement in the battery storage space is currently like a sort of Wild West.

Facebook has been asked to renegotiate the terms of contracts with a New Mexico utility, signed for solar energy and energy storage facilities which will power a data centre in the state.

ENGIE has sold its 60.5% stake in stationary storage and e-mobility solutions company ENGIE EPS to Taiwan Cement Corporation (TCC).

South Korea’s LG Energy Solution and SK Innovation have reached an agreement to settle litigation between the pair which has been ongoing since April 2019 and threatened to derail plans to scale up battery manufacturing efforts in the US.

Planning law in the UK allowing energy storage projects over 50MW has officially changed, allowing much bigger projects to come online without going through the national planning process.

Germany’s draft renewable energy laws, which the government is seeking to introduce next year, have been heavily criticised by energy storage systems association BVES.

Despite the huge strides energy storage has made, significant hurdles remain before the technology in its many guises can be claimed to have fulfilled its massive potential. E-S.n editor Andy Colthorpe assesses the key successes and ongoing challenges for this indispensable part of the future power system.