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Photo: Mark Makela/Getty Images

A new post from UC Berkeley's Energy Institute at Haas looks broadly at Joe Biden's revised climate plan, including the goal of achieving 100% carbon-free U.S. power by 2035.

The intrigue: Flashback for a moment to a June study co-authored by Berkeley analysts that found a cost-effective case for achieving 90% power sector decarbonization by 2035. But, what about the remaining 10%?

The bottom line: That final 10% is much tougher and marks where the price tag soars, per an updated analysis shared by economist Meredith Fowlie in the blog. Here's why...

  • "To completely decarbonize the electricity grid, you either need to invest in CCS or shut off all fossil fuels and rely on some relatively expensive alternatives (e.g. more storage, hydrogen fuel cells)."
  • "[D]riving power sector GHG emissions to zero more than doubles the marginal cost per ton of carbon pollution avoided, pushing into the $100–$125 range."
  • "And higher costs mean higher electricity prices which could make it harder to cut GHGs in sectors we are hoping to electrify like transportation and buildings."

Go deeper

Ben Geman, author of Generate
Nov 9, 2020 - Energy & Environment

Biden's climate plan will require creativity and persuasion

Photo illustration: Aïda Amer/Axios. Photo: Win McNamee/Getty Images

Joe Biden's first remarks as president-elect Saturday claimed a mandate to act on climate. But making good will require tough lawyers, creativity, luck and persuasion.

The big picture: His new transition website puts climate among the four top priorities alongside COVID-19, the economy and racial justice.

Updated 3 hours ago - Health

California surpasses 50,000 COVID-19 deaths

A man prepares a funeral arrangement in in Los Angeles, California, Feb. 12. Photo: Mario Tama/Getty Images

California's death toll from COVID-19 surpassed 50,000 on Wednesday, per Johns Hopkins data.

The big picture: It's the first state to record more than 50,000 deaths from the coronavirus.

4 hours ago - Technology

Facebook bans Myanmar military

A protester holds a placard with a three-finger salute in front of a military tank parked aside the street in front of the Central Bank building during a demonstration in Yangon, Myanmar. Photo by Aung Kyaw Htet/SOPA Images/LightRocket via Getty Images

Facebook said on Wednesday it would ban the rest of the Myanmar military from its platform.

The big picture: It comes some three weeks after the military overthrew the civilian government in a coup and detained leader Aung San Suu Kyi, causing massive protests to erupt throughout the country. Military leaders have been using internet blackouts to try to maintain power in light of the coup.