Solar
Tesla defies global price plunge, raises prices on solar roof and home batteries
Puzzling strategy from the the EV pioneer and reluctant residential solar company.
By Eric Wesoff .
Electrification
Policy & regulation
Massachusetts passes bill to speed clean energy and slow gas expansion
The long-awaited legislation comes as advocates say more state-level climate policy is needed. Governor Maura Healey is expected to sign it into law.
By Carrie Klein .
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Batteries
Why lithium-ion batteries are so important
The kickoff to a new battery series explains how LIBs became the workhorse of the electric vehicle and energy storage fleet.By David Roberts .
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Long-duration energy storage
Long-duration storage roundup: News, players and technology
Long-duration storage keeps on slipping into the future.By Eric Wesoff .
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Solar
The battle over net metering 3.0 in California: Energy equity and the future of rooftop solar
Utilities and solar groups are fighting over the cost shift. But both agree the next stage in policy must bring low-income customers and fundamental grid needs into balance.By Jeff St. John .
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Energy equity
How to build an equitable electric vehicle infrastructure
Tips on meeting the electric transportation needs of underserved communities, from high-level analysis to on-the-ground experience.By Jeff St. John .
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Grid edge
How distributed energy can harden the Texas power grid
Natural-gas microgrids and battery-backed solar can hedge against climate change risk — maybe even without major policy changes.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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