Hot thermal hopes

Thermal energy storage is dense, efficient, and suitable for greenfield and brownfield projects, with a potentially long lifespan. It can also be built with recyclable or low-impact storage materials. So why is it taking so long to achieve widespread commercial success? Tristan Rayner explores the latest developments.

Issue 08-2021

Siemens Gamesa won the 2021 “Outstanding Projects” award from The Smarter E Europe for its Hamburg TES project, which utilizes volcanic rocks.

Image: Siemens Gamesa

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