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A personal account of the final act in the fight to pass the United States’ first comprehensive climate law

One year ago, the Inflation Reduction Act became law, throwing the full financial might of the federal government behind the clean energy transition and forever changing the fight against climate change.
Recent polling finds that too few recognize the historical significance of the hundreds of billions of dollars the law invests to make clean energy cheaper for American households, businesses, and industries.
Even fewer people appreciate just how close we came to losing it all.
This is a personal account of the final days of the fight to pass the nation’s first comprehensive climate law, and of how the Inflation Reduction Act remarkably arose from the ashes of near-defeat.
On July 14, 2022, just over a month before eventually becoming law, the budget bill that would eventually become known as the Inflation Reduction Act died. Again.
That evening, Senator Joe Manchin, the coal-state Democrat from West Virginia, called Senate Majority Leader Chuck Schumer to tell him he was done with the long-simmering inter-party negotiations striving to craft a budget bill that could unite all 50 Democratic senators and pass the evenly divided Senate. The stubborn hold-out had already dashed progressive dreams multiple times in the year and a half since the 117th Congress gaveled into session, including dealing the killing blow to the House-passed Build Back Better Act in December 2021.
The news was a shock. Less than two weeks earlier, over the Fourth of July weekend, I was told by Senate staffers party to the budget negotiations that a deal was imminent. They told me to prepare the REPEAT Project, a Princeton University team that I lead and that assesses the impacts of federal energy and climate policies as they are debated, to stand by to run the numbers on a new bill.
But in July 2022, inflation was running at nearly 9% and gasoline prices were over $5 per gallon in many parts of the U.S. Then we got one bad report on the rate of inflation after another, prompting Manchin to say he could no longer support any additional government spending that might further fuel inflation.
Manchin called Schumer on July 14 to say he could no longer continue negotiations, and that he would not support legislation that included any clean energy or climate spending — leaving only a slimmed-down bill focused on health care left in play.
"DEVASTATING... utterly SENSELESS!" I tweeted at the time, using REPEAT Project modeling to illustrate the massive climate gap we would have faced, had that been the end of the story.

And it really did seem like the end.
The tone I heard from Senate staffers that day was very different from the several prior ‘false demises’ of the budget negotiations we had all endured. They were despondent. “I feel like I just wasted the last six years of my life,” one staffer texted me on July 14. So did I.
The next day, Manchin issued an ultimatum: Either Democrats could quickly pass a “skinny” budget bill focused only on health care or they could wait a few weeks to see if inflation improved and try negotiating a larger package in August.
The problem: Basically no one thought inflation would meaningfully cool that quickly, and there was only a few weeks left to pass a law before the August recess, after which Congress would go into full campaign season and nothing would pass.
The game clock was winding down.
Then President Biden threw in the towel. He issued an official statement vowing to keep the climate fight up via executive action but urged the Senate to quickly pass a bill focused only on health care.
Schumer appeared poised to do just that, and a caucus meeting for Senate Democrats was set for the following Tuesday to discuss how to move forward. Since Congress only gets one shot at a budget reconciliation law per fiscal year, if they ended up passing a bill without any climate package, it was game over.
I had been working to advance federal climate policy since 2008. I lived through the demise of the last serious effort to pass a federal climate law in 2009 and 2010. I knew how rare these windows of opportunity to pass meaningful legislation are. And we’d just blown a once-in-a-decade chance. Would we have to wait until the 2030s for our next shot? Could we even survive another decade with the United States standing on the sidelines of the global climate fight?
By July 16, I had apparently had enough time to go through the various stages of grief, arriving at bargaining (or perhaps denial). “It’s just not okay to end like this, with Manchin walking away from the deal and the rest of the caucus just quietly accepting that!” I wrote in a text to a key Senate staffer. “There’s got to be at least a dozen [Senate] members who are furious and could be unwilling to accept that in the end, right?”
“Working on it 😄,” the staffer replied.
And just like that, while many gave up and others fumed, staff from just a handful of Senate offices and a rag-tag group of allied individuals and advocacy groups got back to what we’d been doing since the start: doggedly working the problem to find some way to passage.
Even then, I had very little faith our efforts would succeed. I just knew that the game clock had a few seconds left on it, time enough to run a couple more Hail Mary plays, and I wanted to be able to look my kids in the eye some day and say, “We failed, but we truly tried everything we could.”
So we got back to work.
So how did we get Manchin back to the negotiating table?
From my limited perspective, three things worked.
First, the concern that climate spending would stoke inflation was bogus. The budget deal under negotiation was doubly paid for, raising twice as much new revenue as it spent. What’s more, the spending plan was estimated to be in the ballpark to $30 to $50 billion per year spread over a decade, or less than 1% of our roughly six trillion dollar federal budget.
The climate spending was peanuts, and any honest macroeconomist would say that the budget deal would have a mild, fiscally contractionary effect at best or no effect on inflation at worst. Plus, the proposals specifically took aim at two key drivers of inflation: health care costs and energy costs.
Either Manchin was honest in his inflation fears but misappreciating the issues, or he was trying to give himself cover to scuttle the bill.
Our so-called “Never Give Up Caucus” took him at face value. To address his inflation concerns, allies succeeded in getting inflation-hawk-in-chief Larry Summers, the conservative leaning Penn-Wharton Budget Model team, and the deficit hawkish head of the Committee for a Responsible Federal Budget to tell Manchin (and the press) that the deal would cut the deficit and not raise prices.
Second, the many vested interests that stood to gain from the clean energy package were mobilized and pushed Manchin hard not to leave them high and dry.
This was always a key part of the political strategy of the clean energy package: rather than focus on pricing carbon emissions and making fossil energy more expensive (as Congress had attempted in 2009), the budget bill would instead provide a wide-ranging set of direct subsidies — tax credits, grants, loan programs — to make climate-friendly technologies cheaper and help build up manufacturing of clean energy components in the U.S. Concentrated beneficiaries create organized power to back the bill. That was the theory, and it was time to put it to the test.
The pressure campaign to get Manchin back to the table was “across the board,” according to National Wildlife Federation CEO Collin O’Mara, who was one of the most dogged and effective organizers during those pivotal final days.
Executives from renewable energy companies reminded Manchin that billions of dollars of investment were at stake.
The United Mine Workers of America pushed Manchin not to walk away from his promise to create a permanent trust fund for miners suffering from black lung disease, which the budget bill would do.
In my personal estimation, the most effective voices were probably from those sectors Manchin had styled himself as personally championing as chairman of the Senate Energy Committee: carbon capture, nuclear power, hydrogen, and advanced manufacturing.
A senior executive with a utility operating in Appalachia reportedly told Manchin: “We know coal plants are ultimately going to close. What is going to replace them? What are the jobs? What are we transitioning to? In this case, we are going to explore hydrogen, new nuclear and get manufacturing in the state.”
Manchin received incoming pressure to pass a bill from the Carbon Capture Coalition, oil companies like BP with big plans to invest in hydrogen, and Nucor, the nation’s largest steel maker, which planned new investments in West Virginia in part to supply growing demand for steel for burgeoning renewable energy industries.
Utilities like Constellation and Duke reminded Manchin that this law was our best shot at preserving the nation’s existing nuclear fleet, which provides about a fifth of our electricity without contributing to air pollution or climate change.
Bill Gates, who has invested in nuclear and energy storage startups, called Manchin personally. And executives at a Gates-backed battery company with plans for a West Virginia manufacturing hub explained to Manchin’s staff how the bill’s incentives would accelerate their growth trajectory.
Third, a few key senators that Manchin personally trusted or respected, including John Hickenlooper of Colorado, Chris Coons of Delaware, Tina Smith of Minnesota, Mark Warner of Virginia, and Ron Wyden of Oregon, reportedly pressed him with direct personal appeals.
I imagine their pitches either made the political case — did Manchin really want to send his party into the midterms having utterly failed on their domestic policy agenda? — or a personal one, emphasizing the opportunity to secure his legacy and the admiration of his grandchildren.
I don’t think we should discount the importance of these personal appeals. At the end of the day, senators are humans too. They crave the respect of their colleagues (at least those they admire). And everyone wants to be the hero of their own story, not the villain.
Which of these (or other parallel efforts I don't know about) pushed Manchin back to the table? Who knows what went through his mind in the end. But somehow, against virtually all expectations, it worked.
We didn’t know it until later, but by as early as Tuesday, July 19, Manchin and Schumer, with just a couple key aids each, began meeting in secret somewhere in the Senate offices and got back to work.
No one else had any idea this was happening.
Like others working to save the bill, I spent the next week continuing to talk to press, allies, congressional staff, etc., marshaling talking points and data, mobilizing various interests to pressure Manchin, and doing everything we could to convince the stubborn senator to make a deal that would get a climate package into law. Little did we know, he was already back at it.
In fact, a little over a week later, on Wednesday, July 27, Manchin issued a statement that shocked everyone: He and Leader Schumer had reached a deal after all and were unveiling a full-fledged bill to be called “The Inflation Reduction Act.”
“The Inflation Reduction Act of 2022 addresses our nation’s energy and climate crisis by adopting commonsense solutions through strategic and historic investments that allow us to decarbonize while ensuring American energy is affordable, reliable, clean and secure,” Manchin wrote.
The full text of the bill dropped later that evening, and we were blown away to see how much of the original climate package from the ill-fated Build Back Better Act was retained by this new legislation.
The deal contained roughly $370 billion in estimated climate and clean energy spending, an historic package. All the key tax incentives were still in the proposal, including credits for clean electricity, electric vehicles, and heat pumps. Major grant programs were funded at similar levels. Even a new fee on methane pollution from the oil and gas sector had survived. In fact, a tax credit for U.S. clean energy manufacturing had even been expanded, apparently at Manchin’s request, to support production of batteries and their components and the mining and processing of critical minerals.
Rather than lose it all, we were poised to win nearly everything we’d hoped for.
“Holy shit. Stunned, but in a good way,” wrote Senator Tina Smith, a tireless advocate for the climate package, on Twitter. “$370B for climate and energy … BFD.”
It took us a couple weeks to run the numbers, but once we did, REPEAT Project estimated on August 4 that the Inflation Reduction Act, or IRA (pronounce it like your friendly Uncle Ira!), would cut emissions by about one billion metric tons per year in 2030 and retained about 80% of the cumulative emissions reductions of the larger Build Back Better package.

IRA could get the United States to about 42% below our peak historical emissions by 2030, we estimated at the time. (REPEAT Project’s latest updated analysis published last month revises 2030 emissions under IRA to 37-41% below peak.) That was still short of the target of 50% below peak levels that President Biden had committed the country to on the world stage, but the proposed legislation was a true game changer that gave us a fighting chance to hit that goal.
After the Manchin-Schumer deal dropped, we were off to the races.
Manchin shifted from the package’s chief obstacle to its chief spokesperson, stumping for the bill on Fox and haranguing senators on the floor alongside Schumer to get IRA passed during an exhausting, overnight “vote-a-rama.” After a 16-hour process where Republicans proposed amendment after amendment to be shot down one by one by a united Democratic caucus — plus a little last minute drama wherein Kyrsten Sinema nearly killed the bill to save private equity firms billions in taxes — the Inflation Reduction Act passed the Senate at 3:17 PM on August 7, 51-50, with Vice President Harris casting the deciding vote.
The House passed IRA in turn on August 14, and President Biden signed it into law two days later. The rest, as they say, is history.
We’re still writing that history, but it’ll be forever changed by passage of the landmark law. And we almost lost it all.
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There has been no new nuclear construction in the U.S. since Vogtle, but the workers are still plenty busy.
The Trump administration wants to have 10 new large nuclear reactors under construction by 2030 — an ambitious goal under any circumstances. It looks downright zany, though, when you consider that the workforce that should be driving steel into the ground, pouring concrete, and laying down wires for nuclear plants is instead building and linking up data centers.
This isn’t how it was supposed to be. Thousands of people, from construction laborers to pipefitters to electricians, worked on the two new reactors at the Plant Vogtle in Georgia, which were intended to be the start of a sequence of projects, erecting new Westinghouse AP1000 reactors across Georgia and South Carolina. Instead, years of delays and cost overruns resulted in two long-delayed reactors 35 miles southeast of Augusta, Georgia — and nothing else.
“We had challenges as we were building a new supply chain for a new technology and then workforce,” John Williams, an executive at Southern Nuclear Operating Company, which owns over 45% of Plant Vogtle, said in a webinar hosted by the environmental group Resources for the Future in October.
“It had been 30 years since we had built a new nuclear plant from scratch in the United States. Our workforce didn’t have that muscle memory that they have in other parts of the world, where they have been building on a more regular frequency.”
That workforce “hasn’t been building nuclear plants” since heavy construction stopped at Vogtle in 2023, he noted — but they have been busy “building data centers and car manufacturing in Georgia.”
Williams said that it would take another “six to 10” AP1000 projects for costs to come down far enough to make nuclear construction routine. “If we were currently building the next AP1000s, we would be farther down that road,” he said. “But we’ve stopped again.”
J.R. Richardson, business manager and financial secretary of the International Brotherhood of Electric Workers Local 1579, based in Augusta, Georgia, told me his union “had 2,000 electricians on that job,” referring to Vogtle. “So now we have a skill set with electricians that did that project. If you wait 20 or 30 years, that skill set is not going to be there anymore.”
Richardson pointed to the potential revitalization of the failed V.C. Summer nuclear project in South Carolina, saying that his union had already been reached out to about it starting up again. Until then, he said, he had 350 electricians working on a Meta data center project between Augusta and Atlanta.
“They’re all basically the same,” he told me of the data center projects. “They’re like cookie cutter homes, but it’s on a bigger scale.”
To be clear, though the segue from nuclear construction to data center construction may hold back the nuclear industry, it has been great for workers, especially unionized electrical and construction workers.
“If an IBEW electrician says they're going hungry, something’s wrong with them,” Richardson said.
Meta’s Northwest Louisiana data center project will require 700 or 800 electricians sitewide, Richardson told me. He estimated that of the IBEW’s 875,000 members, about a tenth were working on data centers, and about 30% of his local were on a single data center job.
When I asked him whether that workforce could be reassembled for future nuclear plants, he said that the “majority” of the workforce likes working on nuclear projects, even if they’re currently doing data center work. “A lot of IBEW electricians look at the longevity of the job,” Richardson told me — and nuclear plants famously take a long, long time to build.
America isn’t building any new nuclear power plants right now (though it will soon if Rick Perry gets his way), but the question of how to balance a workforce between energy construction and data center projects is a pressing one across the country.
It’s not just nuclear developers that have to think about data centers when it comes to recruiting workers — it’s renewables developers, as well.
“We don’t see people leaving the workforce,” said Adam Sokolski, director of regulatory and economic affairs at EDF Renewables North America. “We do see some competition.”
He pointed specifically to Ohio, where he said, “You have a strong concentration of solar happening at the same time as a strong concentration of data center work and manufacturing expansion. There’s something in the water there.”
Sokolski told me that for EDF’s renewable projects, in order to secure workers, he and the company have to “communicate real early where we know we’re going to do a project and start talking to labor in those areas. We’re trying to give them a market signal as a way to say, We’re going to be here in two years.”
Solar and data center projects have lots of overlapping personnel needs, Sokolski said. There are operating engineers “working excavators and bulldozers and graders” or pounding posts into place. And then, of course, there are electricians, who Sokolski said were “a big, big piece of the puzzle — everything from picking up the solar panel off from the pallet to installing it on the racking system, wiring it together to the substations, the inverters to the communication systems, ultimately up to the high voltage step-up transformers and onto the grid.”
On the other hand, explained Kevin Pranis, marketing manager of the Great Lakes regional organizing committee of the Laborers’ International Union of North America, a data center is like a “fancy, very nice warehouse.” This means that when a data center project starts up, “you basically have pretty much all building trades” working on it. “You’ve got site and civil work, and you’re doing a big concrete foundation, and then you’re erecting iron and putting a building around it.”
Data centers also have more mechanical systems than the average building, “so you have more electricians and more plumbers and pipefitters” on site, as well.
Individual projects may face competition for workers, but Pranis framed the larger issue differently: Renewable energy projects are often built to support data centers. “If we get a data center, that means we probably also get a wind or solar project, and batteries,” he said.
While the data center boom is putting upward pressure on labor demand, Pranis told me that in some parts of the country, like the Upper Midwest, it’s helping to compensate for a slump in commercial real estate, which is one of the bread and butter industries for his construction union.
Data centers, Pranis said, aren’t the best projects for his members to work on. They really like doing manufacturing work. But, he added, it’s “a nice large load and it’s a nice big building, and there’s some number of good jobs.”
A conversation with Dustin Mulvaney of San Jose State University
This week’s conversation is a follow up with Dustin Mulvaney, a professor of environmental studies at San Jose State University. As you may recall we spoke with Mulvaney in the immediate aftermath of the Moss Landing battery fire disaster, which occurred near his university’s campus. Mulvaney told us the blaze created a true-blue PR crisis for the energy storage industry in California and predicted it would cause a wave of local moratoria on development. Eight months after our conversation, it’s clear as day how right he was. So I wanted to check back in with him to see how the state’s development landscape looks now and what the future may hold with the Moss Landing dust settled.
Help my readers get a state of play – where are we now in terms of the post-Moss Landing resistance landscape?
A couple things are going on. Monterey Bay is surrounded by Monterey County and Santa Cruz County and both are considering ordinances around battery storage. That’s different than a ban – important. You can have an ordinance that helps facilitate storage. Some people here are very focused on climate change issues and the grid, because here in Santa Cruz County we’re at a terminal point where there really is no renewable energy, so we have to have battery storage. And like, in Santa Cruz County the ordinance would be for unincorporated areas – I’m not sure how materially that would impact things. There’s one storage project in Watsonville near Moss Landing, and the ordinance wouldn’t even impact that. Even in Monterey County, the idea is to issue a moratorium and again, that’s in unincorporated areas, too.
It’s important to say how important battery storage is going to be for the coastal areas. That’s where you see the opposition, but all of our renewables are trapped in southern California and we have a bottleneck that moves power up and down the state. If California doesn’t get offshore wind or wind from Wyoming into the northern part of the state, we’re relying on batteries to get that part of the grid decarbonized.
In the areas of California where batteries are being opposed, who is supporting them and fighting against the protests? I mean, aside from the developers and an occasional climate activist.
The state has been strongly supporting the industry. Lawmakers in the state have been really behind energy storage and keeping things headed in that direction of more deployment. Other than that, I think you’re right to point out there’s not local advocates saying, “We need more battery storage.” It tends to come from Sacramento. I’m not sure you’d see local folks in energy siting usually, but I think it’s also because we are still actually deploying battery storage in some areas of the state. If we were having even more trouble, maybe we’d have more advocacy for development in response.
Has the Moss Landing incident impacted renewable energy development in California? I’ve seen some references to fears about that incident crop up in fights over solar in Imperial County, for example, which I know has been coveted for development.
Everywhere there’s batteries, people are pointing at Moss Landing and asking how people will deal with fires. I don’t know how powerful the arguments are in California, but I see it in almost every single renewable project that has a battery.
Okay, then what do you think the next phase of this is? Are we just going to be trapped in a battery fire fear cycle, or do you think this backlash will evolve?
We’re starting to see it play out here with the state opt-in process where developers can seek state approval to build without local approval. As this situation after Moss Landing has played out, more battery developers have wound up in the opt-in process. So what we’ll see is more battery developers try to get permission from the state as opposed to local officials.
There are some trade-offs with that. But there are benefits in having more resources to help make the decisions. The state will have more expertise in emergency response, for example, whereas every local jurisdiction has to educate themselves. But no matter what I think they’ll be pursuing the opt-in process – there’s nothing local governments can really do to stop them with that.
Part of what we’re seeing though is, you have to have a community benefit agreement in place for the project to advance under the California Environmental Quality Act. The state has been pretty strict about that, and that’s the one thing local folks could still do – influence whether a developer can get a community benefits agreement with representatives on the ground. That’s the one strategy local folks who want to push back on a battery could use, block those agreements. Other than that, I think some counties here in California may not have much resistance. They need the revenue and see these as economic opportunities.
I can’t help but hear optimism in your tone of voice here. It seems like in spite of the disaster, development is still moving forward. Do you think California is doing a better or worse job than other states at deploying battery storage and handling the trade offs?
Oh, better. I think the opt-in process looks like a nice balance between taking local authority away over things and the better decision-making that can be brought in. The state creating that program is one way to help encourage renewables and avoid a backlash, honestly, while staying on track with its decarbonization goals.
The week’s most important fights around renewable energy.
1. Nantucket, Massachusetts – A federal court for the first time has granted the Trump administration legal permission to rescind permits given to renewable energy projects.
2. Harvey County, Kansas – The sleeper election result of 2025 happened in the town of Halstead, Kansas, where voters backed a moratorium on battery storage.
3. Cheboygan County, Michigan – A group of landowners is waging a new legal challenge against Michigan’s permitting primacy law, which gives renewables developers a shot at circumventing local restrictions.
4. Klamath County, Oregon – It’s not all bad news today, as this rural Oregon county blessed a very large solar project with permits.
5. Muscatine County, Iowa – To quote DJ Khaled, another one: This county is also advancing a solar farm, eliding a handful of upset neighbors.