Climate crisis
Western wildfires suppressed solar output in 2020
Wildfires exacerbated by climate change darkened the skies above solar projects across the U.S. West last year.
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Electric vehicles
Tackling the electric vehicle buyer gap
Electric car sales skew toward the wealthy. Can stronger incentives and better program design change that? -
Heat pumps
ESB and GreenCom's heat pump pilot shows promise for balancing the grid
Ireland's government wants to install 600,000 heat pumps by 2030. That could save energy and shift consumption to times of lower grid demand. -
Policy & regulation
Arizona passes rule for 100% carbon-free electricity but extends timeline
The state will now aim to reach carbon-free electricity by 2070, not 2050. -
Solar
Solar design startup Aurora Solar hits the big time with $250M investment
The funding round pops the startup's valuation to $2 billion, big money in the solar software space. -
Clean energy
Arizona may resurrect efforts to commit to 100 percent carbon-free electricity
Arizona's failed clean electricity proposal could live to see another day. -
Fossil fuels
Another bad year for coal
U.S. coal shipments hit new lows in 2020, according to new data. -
Solar
The political fight over solar tariffs wages on
New administration, same old problems for solar industry players who want to see the Section 201 tariffs dissolved. -
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. -
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.
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