Long-duration energy storage
Long-duration energy storage is now a reality. How can it make money?
VC darling Form Energy's unproven path to market could become a model.
By David Roberts .
Batteries
Batteries
A Massachusetts town uses batteries to help its grid — and its schools
Batteries can serve double-duty, shoring up the grid and providing backup to buildings when the power goes out. This project shows how.
By Jeff St. John .
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Batteries
Enphase wants customers to know exactly how much money they earn with batteries
Basic transparency could encourage homeowners to use their batteries for the benefit of the grid.By Julian Spector .
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Solar
Newsletter: Solar's got a supply crunch, too
Solar usually gets cheaper over time, but not right now.By Julian Spector .
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Policy & regulation
Calif. governor makes emergency bid to prevent blackouts. Is it too little, too late?
Power plant shortages and delayed batteries are part of the problem. So is stalled progress on behind-the-meter resources.By Jeff St. John .
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Grid edge
What could Tesla’s virtual power plant do for California’s grid — and what will customers get out of it?
Will customers sign up for its incentive-free program or flock to other distributed energy aggregators that are willing to pay?By Jeff St. John .
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Long-duration energy storage
Stealthy storage contender Form Energy reveals secret formula: Iron and air
And it raised another $200 million to get to market.By Julian Spector .
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Energy storage
Latin America’s energy storage leader is getting creative
Thermal storage, compressed air and more novel options are on the table in Chile.By Jason Deign .
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Batteries
Newsletter: Dude, where's my battery?
Supply and demand are out of whack in the surging energy storage industry.By Julian Spector .
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Clean energy
Camus Energy: Grid software for small utilities with big clean energy ambitions
A San Francisco startup with Google software talent is helping rural co-ops and municipal utilities make big gains in renewables and distributed energy — without the high-tech price tag.By Jeff St. John .
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Batteries
The grid battery boom has triggered a supply shortage
Storage developers large and small are grappling with what to do when there aren't enough batteries to go around.By Julian Spector .
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