Featured in Going big on batteries – 08-2020

Long-duration storage advances, but regulators need more time

Lithium-ion batteries can do a great job of load shifting to balance solar’s midday peak, while also providing other stability services to the grid. But when it comes to really balancing an energy system that’s led by intermittent renewables, energy storage for longer durations can give system operators a lot more to work with. pv magazine takes a look at some of the technologies promising to fill this gap.
By
Eric Wesoff
Image: Energy Vault

If you were building an electrical grid from scratch (with no regard to regulations or finance), then long-duration energy storage would be a prerequisite. It just makes sense – store energy when it’s cheap and/or abundant, and discharge when the price is high, or when the energy is needed by the grid. Use it to …

pv magazine
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