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New fracking-inspired technology could revolutionize renewable energy storage

New fracking-inspired technology could revolutionize renewable energy storage

Three Houston startups are using a novel approach similar to fracking to create underground storage for renewable energy, potentially reducing reliance on lithium batteries.

Dylan Baddour reports for Inside Climate News.

In short:

  • Sage Geosystems is developing the first commercial geothermal energy storage system in South Texas, using pressurized water in underground caverns.
  • The technique involves injecting water underground, which is then released to generate power during peak demand, offering up to 10 hours of energy storage.
  • This system, while still in early stages, could provide an alternative to lithium-ion batteries, which currently dominate the energy storage market.

Key quote:

"There is a growing need for technologies that can adjust generation levels to maintain grid stability. The technology Sage is developing has the potential to be a game changer."

— Yiyi Zhou, an energy analyst at BloombergNEF

Why this matters:

Renewable energy storage is crucial for maintaining grid stability as solar and wind power become more prevalent. This technology could diversify storage options, reducing dependency on scarce lithium resources.

Related: Energy storage surge reshapes US electricity landscape

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Energy storage surge reshapes US electricity landscape

Energy storage surge reshapes US electricity landscape

Giant batteries are increasingly used to deliver solar power into the evening and stabilize electricity grids across the U.S., showcasing significant technology growth.

Brad Plumer and Nadja Popovich report for The New York Times.

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compressed-air energy storage
Credit: Wayne S. Grazio/Flickr

Compressed-air storage moves toward commercialization

Hydrostor Inc., a leader in compressed-air energy storage, is preparing to build two major facilities as the need for long-duration energy storage intensifies.

Dan Gearino reports for Inside Climate News.

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Copyright: petovarga

Work now, benefit later: The energy transition will be stored for the future

Long duration energy storage, much like the federal government’s efforts to boost it, is about doing the work now and reaping the benefits later.

Work now, benefit later: The energy transition will be stored for the future

Long duration energy storage, much like the federal government’s efforts to boost it, is about doing the work now and reaping the benefits later.

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electric vehicles climate battery energy

A new job for electric vehicles: Powering homes during blackouts

Some energy experts say battery-powered vehicles will increasingly help keep the lights on and support electric grids, rather than straining them.
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energy storage climate

U.S. energy storage made record gains last year

Last year saw a record buildout of energy storage in the U.S., with battery and thermal storage growing by 73 percent, a new report finds.

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