Energy efficiency
How to reduce winter grid peaks from behind the meter
Weatherization, heat pumps and flexible loads could prevent Texas-style disasters, cutting peaker-plant and in-home carbon emissions to boot.
By Jeff St. John .
Electrification
Heat pumps
Heat-pump water heaters are a winner for the climate — and your wallet
The tech costs more than conventional options upfront, but federal tax credits, new 120V models and strong savings have made them more appealing than ever.
By Alison F. Takemura .
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Policy & regulation
Ocasio-Cortez and Sanders introduce Green New Deal for affordable housing
The legislation aims to zero out carbon in affordable housing and reduce the energy burden for low-income households. -
Grid edge
Can a new way to pay for behind-the-meter flexibility help prevent rolling blackouts in California?
Marin Clean Energy’s Demand FLEXmarket merges efficiency and demand response to capture the value of behind-the-meter resources. Could it be the start of a statewide trend?By Jeff St. John .
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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 .
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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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