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 .
Batteries
Long-duration energy storage
The biggest grid storage project using old batteries is online in Texas
Startup Element Energy set out to prove that second-life batteries could deliver cheaper energy storage safely and at scale.
By Julian Spector .
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Energy storage
Australia to replace coal plant with record-busting 850MW battery
Newcomer Akaysha Energy won backing from investment giant BlackRock and now will build a gargantuan battery in New South Wales.By Julian Spector .
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Batteries
Can electric buses serve as backup batteries on wheels?
A California pilot project is testing transit buses as a source of mobile backup power. If it works, they could replace dirty diesel generators during blackouts.By Jeff St. John .
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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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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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Podcast
Is the Inflation Reduction Act a win for EVs and batteries?
The complicated gymnastics of qualifying for the new federal EV and battery tax credits.PlayBy Shayle Kann . 41 min .
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Energy storage
Tesla grid battery fire shows young industry's failures and successes
The latest fire at California's Moss Landing battery complex was contained and didn't cause any injuries, but it still highlights the need for better safety systems at storage facilities.By Julian Spector .
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Energy storage
ESS inks largest-ever US flow battery purchase with Sacramento utility
The innovative deal will supply 2 gigawatt-hours of storage over multiple years and includes provisions for workforce training in and around the California capital.By Julian Spector .
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Solar
Puerto Rico’s solar users are still among 'fortunate few' with power
Most Puerto Ricans remain in the dark after Hurricane Fiona, thanks to a grid plagued by problems. Owners of solar-plus-battery systems are faring better.By Maria Gallucci .
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Batteries
In Utah, thousands of homes feed the grid stored solar power
Utility Rocky Mountain Power teamed with sonnen to set up a virtual power plant that's thriving. Now it plans to expand the model across Utah and Idaho.By Julian Spector .
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