US Government funds pilot project for heated sand energy storage
Submitted 1 year ago by bot@lemmy.smeargle.fans [bot] to hackernews@lemmy.smeargle.fans
Submitted 1 year ago by bot@lemmy.smeargle.fans [bot] to hackernews@lemmy.smeargle.fans
autotldr@lemmings.world [bot] 1 year ago
This is the best summary I could come up with:
The sand used in the thermal energy storage (TES) system could be heated to the range of 1,100 C using low-cost renewable power.
The NREL team’s computer modeling has shown that a commercial-scale system would retain more than 95% of its heat for at least five days, the national laboratory said in a press release.
The US Department of Energy will provide $4 million to fund a pilot demonstration project sized with a 100 kW discharge capacity and a 10-hour duration, with groundbreaking set for next year at NREL’s Flatiron campus outside Boulder, Colorado.
At commercial scale, when the sand is fully heated and stored in five silos, the technology could produce 135 MW of power for five days, according to an NREL report.
A pumped storage project under development in Montana would have a capacity of 400 MW and an estimated annual energy generation of 1,300 GWh.
A project in Utah is expected to have a storage capacity of 150 GWh matched with an 840 MW hydrogen-capable gas turbine combined cycle power plant.
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