More isentropic Stories

Proposed Isentropic Pumped Heat Electricity Storage (PHES) Unit - side elevation

Can a humble system of gravel and a heat pump provide a breakthrough for utility-scale energy storage? British startup Isentropic thinks so, and this week announced that they’ve raised $22 million in project funding and an equity investment. Read more »

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Who’s the startup behind Bill Gates’ recent description of a company he’s involved with that’s making energy storage out of “gravel on ski lifts?” Michael Kanellos guesses it’s Energy Cache, which is developing a solar-powered pump for delivering materials to the top of mountains. Read more »

Some energy storage technologies for the power grid are expensive but can be deployed anywhere, like advanced batteries, while others are cheap but can only be built in certain locations, like pumping water up and down hilly terrain (known as “pumped hydro”). But a group of […] Read more »

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