Politics
2021: The year clean energy consolidated its political power in Washington
A chat with Heather Zichal, the new top lobbyist for big clean energy, on how the industry is honing its powers of persuasion.
By Julian Spector .
Energy storage
Solar
Puerto Rico closes $861M DOE loan guarantee for huge solar-battery project
The island has ambitious climate goals and a ton of rooftop solar, but has so far built few large-scale clean energy projects. Project Marahu could change that.
By Akielly Hu .
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Long-duration energy storage
Energy Dome is the rare long-duration storage firm that's moving fast
The Italian firm landed a deal for a 100MWh plant just two years after launch.By Julian Spector .
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Energy storage
Energy storage is booming — and flexing its political muscle
The folks storing clean power are flush with cash and winning in Washington.By Julian Spector .
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Clean energy
Google and others have committed to 24/7 carbon-free energy. What does that mean?
Here's your introduction to the hot new trend in clean-energy pledges.By David Roberts .
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Video
Video: Hawaii turns to clean energy as coal power goes extinct in the state
The last coal plant in Hawaii will be replaced in part by Kapolei Energy Storage, a big new battery designed to store solar power and feed it back to the grid when it's needed most.By Julian Spector .
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Video
Hawaii has a one-year deadline to ditch coal. Can it keep the lights on?
The Aloha State’s race to clean up its electricity sector makes it a real-world test case for rapid decarbonization.By Julian Spector .
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Energy storage
Used EV batteries are storing solar power at grid scale — and making money at it
B2U Storage Solutions raises $10M to scale up site that sells solar power stored in Nissan Leaf batteries in California's wholesale markets.By Julian Spector .
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Energy storage
SoftBank’s renewables developer just made the biggest flow battery purchase ever
The huge order is a boon for SPAC-bound manufacturer ESS and a vote of confidence in its lithium-ion alternative.By Julian Spector .
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Climatetech finance
Newsletter: A palate cleanser from cleantech SPAC mania
Grid storage veteran Fluence is going public with real products and revenue.By Julian Spector .
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Climatetech finance
Energy storage leader Fluence preps for old-school IPO, bucking SPAC trend
The grid-scale battery sector is poised for massive growth. Fluence is playing a major role — but it has a lot of competition.By Jeff St. John .
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