As demand for wind and solar power grows exponentially in the coming years, so too will the demand for energy storage, with forecasts the sector will become a $346bn annual market by the end of the decade.

So which technologies will win the day? Where are investors putting their money? And what do the renewables sector and the grid actually need?

And as times change, so does the technology. Not long ago, energy storage meant pumped-hydro, lithium-ion batteries or molten salt, but today, there are a host of new build-anywhere long-duration energy-storage technologies — such as liquid-air, hot-rock thermal and gravity-based solutions — and new battery chemistries, including zinc-air, zinc-ion and lithium-metal, that all promise to be cheaper, safer and longer-lasting than Li-ion.

Still, many industry observers believe lithium-ion batteries will remain central to the power sector — despite only being able to output four hours’ worth of energy — due to economies of scale, which have already driven costs down 86% from 2010 and are expected to spur a further 60% drop by 2030.

Join Recharge for our latest digital roundtable as we examine the future of energy storage with a distinguished panel of thought leaders.

Henrik Stiesdal
CEO
Stiesdal Offshore Technologies A/S

Jason Goodhand
Global Business Lead - Energy Storage, Technology & Innovation
DNV GL - Energy 

Javier Cavada
CEO
Highview Power

Ed Porter
Business Development Director
Invinity Energy Systems

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