Solar
Puerto Rico will link up 7,000 solar systems to help its shaky grid
Sunrun is developing Puerto Rico's first virtual power plant using rooftop solar and battery systems across the island.
By Maria Gallucci .
Solar
Solar
How solar microgrids are bringing power (and quiet) to North Carolina
In areas hit by Hurricane Helene, the nonprofit Footprint Project is replacing noisy and polluting generators with solar panels and batteries.
By Elizabeth Ouzts .
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Guest essay
It's time for solar microgrids to replace dirty diesel generators
In rural sub-Saharan Africa and South Asia, costly diesel generators are often the only power source. A concerted push to deploy solar microgrids could change that.By Manoj Sinha, Joseph Nganga .
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Solar
Enphase to manufacture solar inverters in US, spurred by new tax credits
Clean energy hardware juggernaut Enphase says it will produce millions of solar microinverters in the U.S. by late 2023, thanks to the Inflation Reduction Act.By Julian Spector .
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Solar
Perovskites can make solar panels more efficient than silicon alone
But will their remarkable performance in the lab ever translate into real market momentum? Caelux and other tandem-solar startups are betting the answer is yes.By Eric Wesoff .
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Solar
How to make sure your solar-plus-battery system works in a blackout
After disasters like Hurricane Fiona, solar panels and batteries can be a lifeline. Energy experts offer some do's and don'ts to help make the most of backup systems during outages.By Maria Gallucci .
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Solar
How neighbors are banding together to get cheaper rooftop solar
Nonprofit Solar United Neighbors helps demystify the buying process and win better deals by bundling customers. It's also become a force for solar advocacy.By Jeff St. John .
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Batteries
Hawaii is paying home-battery owners to help the grid. How's that going?
Hawaii's main utility reached a deal with pro-solar groups to reward households for sharing their clean energy. We check in on the results at the six-month mark.By Julian Spector .
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Solar
Community solar can help revitalize communities. Here’s how
The Biden administration wants community solar to reduce energy burdens and build local jobs and economies. Equity-focused solar developers are ready.By Jeff St. John .
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Solar
Ojjo aims to cut solar project costs with better foundation for panels
The steel-truss startup just raised another $40 million and landed the biggest solar-storage project in the U.S. as a client.By Julian Spector .
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Solar
Manhattan's largest rooftop solar array is about to come online
Developer Siemens overcame design obstacles to build the Javits Center rooftop solar system, which also includes a 3.5-megawatt indoor battery.By Maria Gallucci .
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