Grid edge
GE snaps up Opus One and its operating system for a fast-changing grid
Opus One is part of a new breed of software platforms that manage the rapid influx of renewables, batteries, EVs and more.
By Jeff St. John .
Grid edge
Grid edge
California’s patchwork push to scale up virtual power plants
The state has created more ways for solar-and-battery-equipped homes to get paid to help the grid — but not enough to save the crashing rooftop solar market.
By Jeff St. John .
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Energy storage
Big batteries are booming in California, but the outlook for small-scale storage just got more uncertain
A new plan for solar net metering could slow adoption of home batteries — just when the state needs them most.By Elizabeth McCarthy .
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Policy & regulation
The avoided-cost calculator: The controversial metric at the center of California’s solar net-metering fight
Tying rooftop solar payments to climate and grid benefits makes sense in theory. But in the real world, it could get very messy.By Jeff St. John .
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EV charging
BP is buying Amply, a startup that helps bus and truck fleets go electric
A European oil major stakes a claim in U.S. EV charging and software to lower the cost of electrifying fleets.By Jeff St. John .
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Grid edge
Generac acquires smart thermostat maker ecobee
Ecobee broke with Amazon over customer privacy. Now it's found a home in Generac’s growing clean home energy ecosystem.By Jeff St. John .
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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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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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Policy & regulation
Don’t keep doing what you’re already doing
In climate policy and in business, sometimes you’ve gotta do things nobody has tried before.By Julian Spector .
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Clean energy
A secret stash of good climate news
“The ceiling of the possible is constantly rising.”By Julian Spector .
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Grid edge
Make your house work for you (and the grid)
The untapped resource of home energy use is about to be tapped.By Julian Spector .
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