Energy storage
Chart: More and more rooftop solar buyers are adding home batteries
The uptick in home battery installations is yet another sign that the era of battery storage has arrived in the U.S.
By Dan McCarthy .
Solar
Solar
California’s rooftop solar is a benefit, not a cost, to the state
A new study finds rooftop solar will save California $2.3B this year — a rebuttal to the ‘cost-shift’ math that’s led regulators to stifle solar growth.
By Jeff St. John .
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Transmission
Why won’t PJM let batteries and clean power bolster a stressed-out grid?
The country’s biggest grid operator is preventing developers from adding batteries to existing projects that have extra grid space, in defiance of a federal mandate.By Jeff St. John .
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Policy & regulation
The $20B US ‘green bank’ program just funded its first project
An Inflation Reduction Act program meant to expand climate investment in underserved markets has its first target — a $31 million commercial solar effort in Arkansas.By Jeff St. John .
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Solar
California Gov. Gavin Newsom vetoes school solar bill
SB 1374 would have let public schools follow the more lucrative rooftop solar rules for single-family homes. Without it, schools can’t afford solar, advocates say.By Jeff St. John .
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Solar
Chart: Solar power keeps beating expectations
Energy forecasters have long underestimated the speed at which solar power is growing around the world. The trend continues.By Carrie Klein .
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Solar
How Germany outfitted half a million balconies with solar panels
The country’s residents installed 200MW of balcony solar during the first half of 2024. It’s becoming an increasingly popular way to take climate action in Germany.By Akielly Hu .
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Carbon-free buildings
Are solar water heaters worth it? Here’s what to consider.
New data from the IRS shows an uptick of interest in the appliances, which provide one pathway to cutting the carbon footprint of water heating.By Alison F. Takemura .
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Virtual power plants
California could cut utility bills with distributed energy. Why isn’t it?
Rooftop solar, batteries, EVs, and smart thermostats could help rein in rising grid costs — if only California could pass policies to make it happen.By Jeff St. John .
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Solar
US solar manufacturing capacity has quadrupled thanks to climate law
The Inflation Reduction Act has sparked a boom in domestic solar panel manufacturing, though the U.S. still depends on China for certain steps of the supply chain.By Eric Wesoff .
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Solar
Chart: Solar power is shattering global records
A staggering 428 gigawatts of solar capacity was installed last year — more than in the previous two years combined.By Carrie Klein, Dan McCarthy .
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