Policy & regulation
Arizona rejects plan for 100% carbon-free electricity
Years of negotiation over Arizona's clean energy rules come to naught in the eleventh hour.
Policy & regulation
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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Just transition
Prioritizing diversity in the energy transition, plus Star Wars puns with Secretary Granholm
The DOE wants to involve the entire community in the energy transition. It's do or do not; there is no try.By Eric Wesoff .
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Policy & regulation
Washington state now has the nation's most ambitious climate policy
And yes, it includes carbon pricing.By David Roberts .
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Guest essay
The US coal fleet is running out of time and money. What comes next?
New analysis shows that four out of five American coal plants cost more to run than new local renewables.By Amanda Myers, Mike O’Boyle .
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Solar
Newsletter: Rooftop solar leader Sunrun hits the accelerator
If you want to gauge the health of the solar industry, you could do worse than checking on its leading practitioners.By Julian Spector .
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Guest essay
To meet Biden’s new climate goal, forests and farms must sequester a lot more carbon
A new "One Gigaton Land Carbon Bank" could unlock billions of dollars a year to help U.S. landowners "grow" a hot new commodity: carbon.By Emily McGlynn .
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Solar
Can a new SunShot push the US toward 100% clean energy?
The Department of Energy has a new solar price goal — but getting to carbon-free electricity will require more sweeping changes in electricity strategy, experts say. -
Climate crisis
New satellites can mitigate methane’s outsize impact on climate change
MethaneSat and Carbon Mapper could give governments and industry new ways to find methane emissions — and to determine the value of stopping them.By Jeff St. John .
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Policy & regulation
PJM moves to curtail compliance with FERC policy that hinders state-subsidized clean energy
A long-running policy battle over the country’s biggest capacity market appears to be nearing an end. What the replacement policy will look like remains an open question.By Jeff St. John .
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