The Making of Biden’s Superfast Push for Clean Electricity

In a net-zero future, there would be almost no power plants with uncontrolled emissions. But at the start of this year’s presidential campaign, way back in the spring of 2019, climate wonks and even activists assumed that future would remain a generation—and several technical innovations—away.

That started to change this summer. In a surprise move for a cautious candidate, Joe Biden put a 100% clean grid at the core of his climate agenda. Even more remarkable was his proposed timeline: 15 years. It was startlingly ambitious, considering his prior goals for eliminating emissions focused on a more gradual and familiar 30-year timetable.

“It would be an unprecedented nation-building effort, the type of thing we haven’t seen since the New Deal and the Work Progress Administration,” says Jesse Jenkins, an assistant professor of engineering at Princeton. “It took us 100 years to build the current grid.”

Now that Biden has won, the question is real: Can anyone build a clean grid that fast? And for that matter, where did an idea this big come from in the first place?

The fast-and-green strategy didn’t evolve from an existing policy approach inside the U.S. or elsewhere. The earliest state-level deadline to decarbonize a power grid, in New York state, allows an extra half-decade. China, the European Union, Japan—none provides a template. Austria and Sweden, whose combined populations are smaller than that of the New York City metropolitan area, have 100% renewable targets coming due in the next 20 years.

The Making of Biden’s Superfast Push for Clean Electricity

Yet the president-elect didn’t conjure 2035 out of thin air. The idea had been percolating for more than a year among energy analysts and Democratic policy wonks before it ended up in Biden’s white papers. There’s a growing belief that the goal is not only reachable, but also could hold the key to decarbonizing much of the economy.

A study earlier this year from the University of California at Berkeley’s Goldman School of Public Policy helped make the 15-year timeline seem feasible, even economic. Researchers found that, as prices for solar and wind power fall, removing 90% of the grid’s emissions by 2035 would lower wholesale electricity prices 10%.

“It’s the economic reality that’s hitting us now, that we can get there much faster and cheaper than we thought,” says Sonia Aggarwal, vice president of Energy Innovation, a nonpartisan research firm that worked with Berkeley to map out ways the U.S. could achieve a carbon-free grid by 2035. “The amount of people now in Washington, D.C., who are talking about these earlier dates is really exciting to me, and we’re starting to see that shift happening,” she says.

The Making of Biden’s Superfast Push for Clean Electricity

But the 2035 grid idea actually came from Biden’s defeated rivals in the Democratic primary—in particular, Washington Governor Jay Inslee. He ran for the nomination on a maverick climate agenda. Among his pledges: to decarbonize the grid by 2035. The date came from a singular instruction Inslee gave his policy team, says Bracken Hendricks, a senior adviser at the time. “He gave us a mandate to come up with a plan that was as ambitious as humanly possible,” Hendricks recalls, “but also trustworthy enough to implement on Day 1.”

The team talked to scientists and researchers, including those at Energy Innovation. It also looked at existing state plans. For decades, states had been ordering utilities to use more renewable power, with the first such standard passed in 1983 by a Republican governor of Iowa. The private sector responded—slowly at first, then with gathering speed as prices plunged. Says Sam Ricketts, another member of Inslee’s policy team: “Given direction, states were hitting their targets way ahead of time.”

Inslee’s wonks came to believe in a virtuous circle. If Washington set clear market mandates backed by a well-financed research and development budget, it would be possible for states, private companies, and capital markets to move quickly. “When you set clear targets, things tend to accelerate,” Hendricks says.

The Making of Biden’s Superfast Push for Clean Electricity

Inslee announced the 2035 goal in May 2019. Neither it nor his candidacy set the world on fire, and he dropped out before the first contest. By September a rival, Massachusetts Senator Elizabeth Warren, had picked up the framework for her more successful but ultimately doomed campaign. (Her plan was even more ambitious, calling for an end to sales of most new internal combustion vehicles by 2030.)

Among the many obstacles to achieving Biden’s clean-grid vision, legislative support could prove the biggest. His whole environmental and green-jobs package has a proposed price tag of more than $2 trillion and would need the approval of Congress. That will likely prove impossible unless the Democrats take control of the Senate by winning the Georgia runoff elections in January.

Another significant challenge will be how to smooth out the fluctuations in energy from intermittent renewable sources—to ensure that homes don’t go dark when the sun doesn’t shine and the wind doesn’t blow. California, a leader in clean electricity, endured blackouts this summer in part because the older natural gas plants that backed up solar arrays had been closing. The state has strict environmental regulations and a 2045 target for a zero-emission grid. Giant storage batteries that can hold daytime solar electricity aren’t being added fast enough to replace lost gas power.

The Making of Biden’s Superfast Push for Clean Electricity

Meeting Biden’s target would also require building wind farms and solar plants at three times today’s pace, by one estimate. Considering the red tape that can snarl big renewable energy projects, particularly if neighbors object to turbines or solar panels, that might not be realistic. And not everyone is convinced the 2035 mandate will prove affordable. Tom Fanning, chief executive officer of utility owner Southern Co., one of the nation’s biggest electricity providers, says more time would allow for innovations to help wring out the last 10% of emissions, potentially at a lower cost. His company isn’t planning to reach net zero until 2050.

“We want to make sure there’s enough time for innovation to make America better,” Fanning says. Southern gets 28% of its power from renewable sources. A longer transition could allow for the development of clean hydrogen power, he says, or technologies that can store energy longer than lithium-ion batteries do. If Biden implements the 2035 goal, though, Fanning promises: “We’re ready to support him wherever he wants to go.”

Whenever the clean grid arrives, it will mark a turning point in the quest for a carbon-neutral economy. The hydrogen Fanning envisions could be produced via electrolysis using renewable electricity, rather than the natural gas used today. Hydrogen could also fuel heavy industries, such as steel production, that require high temperatures and often burn coal. Hydrogen created with help from a zero-emission grid could even power planes and ships.

From that perspective, an all-green grid is just the start. “I call it the first linchpin,” says Leah Stokes, an assistant professor of political science at the University of California at Santa Barbara who researches utilities. “As the electricity system cleans up, it unlocks other sectors more easily.”

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