Solar
Solar
Puerto Rico extended a key rooftop solar policy. Then came the lawsuit.
The U.S. territory adopted a law protecting its highly successful net-metering program through 2031. Now, a federal control board is challenging that decision.
By Maria Gallucci .
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Solar
Software will eat solar: Driving utility-scale solar prices below 1 cent per kilowatt-hour by 2025
Terabase Energy is on a mission to get utility-scale solar power prices below $0.01 per kWh by 2025 using software, as opposed to the DOE's hardware strategy.By Eric Wesoff .
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Clean energy
How cities and counties can grow their clean energy profiles
Local governments set records for clean energy procurement last year. A joint RMI-WRI report outlines numerous pathways to boost that growth.By Jeff St. John .
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Clean energy
California tees up 7.5GW procurement to replace Diablo Canyon. Is it enough?
Can solar and batteries, geothermal power and long-duration energy storage replace the state’s last nuclear plant by mid-decade without increasing carbon emissions?By Jeff St. John .
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Solar
Tesla continues beta-testing on live homeowners, moves to fifth version of integrated solar roof
Elon Musk promised that 2019 was going to be the year of the solar roof. It was not. Neither was 2020, and 2021 doesn't appear too promising.By Eric Wesoff .
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