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Wood Mackenzie’s latest Energy Transition Outlook adds to a dour parade of recent climate reports.
The Paris Agreement goal of holding warming to well less than 2 degrees Celsius over pre-industrial levels is not just increasingly appearing to be out of reach. The energy transition as a whole is slowing down.
This was the stark warning from Wood Mackenzie’s Energy Transition Outlook, the energy consultancy’s annual assessment of global progress toward decarbonizing the economy. “Progress toward a low-carbon energy system is stumbling on multiple fronts, leaving the world dependent on fossil fuels for longer,” the outlook’s authors write.
Alongside the International Energy Agency’s Global Energy Outlook, which found faster than expected global electricity demand imperiling Paris goals, and the United Nations Environment Programme’s Emissions Gap Report, which warned that unless emissions were soon wrenched down “it will become impossible” to limit warming to 1.5 degrees Celsius, the report completes a grim picture. The question now is less “Can the world meet the Paris Agreement goals?” and more “How will we manage once we’ve missed them?”
Wood Mackenzie takes 2.5 degrees of warming as its “base case,” consistent with other estimates, including the IEA’s. The report’s authors have little optimism left about the prospect of reaching net zero emissions by 2050 and limiting warming to 1.5 degrees. Instead, they used to the report to “highlight the potential of a delayed transition,” in which warming rises to 3 degrees, said Jonathan Sultoon, Wood Mackenzie’s head of markets and transitions, on a call with reporters Monday.
“We’re in the middle of the 2020s, the decade that’s pivotal to accelerate the energy transition” Sultoon said, “and no major countries — and very few companies — are on track to meet their 2030 climate goals.”
To meet even the 2.5 degree warming scenario — one that many scientists warn could result in difficult to predict and possibly irreversible climate impacts — would still require that global emissions peak by 2027. Emissions, instead, are rising — by some 1.3% in 2023, according to the United Nations.
The likelihood of slipping from 2.5 degrees to 3 will be determined by politics, Wood Mackenzie’s analysts argue, whether it’s the war in Ukraine and unstable Middle East leading countries to reinvest in fossil fuels for energy security or protectionist policies that block imports of world-leading low-priced Chinese renewable technology.
“China’s the lower-cost producer in clean tech,” Sultoon said. “Either the rest of the world needs to rely on Chinese manufacturing to speed the transition,” or “the West will pay a higher cost — or, in fact, delay the transition. And it looks far more likely to be that latter situation than the former.”
Policymakers in the rest of the high-emitting world, especially the United States, are perfectly aware of China’s dominance of much of the low-carbon technology stack, ranging from solar panels to lithium refining. But they’re seeking to nurture their own industries, seeking both to secure energy supplies in case of global conflict and to protect native workers and industries.
The political or security logic of these movies might be clear enough, but the Wood Mackenzie analysts are skeptical of this approach, at least when it comes to advancing decarbonization. “These dual goals — of decarbonisation and reducing dependence on metals supply from China — are at odds,” they write. “It will take years, if not decades, to shift away from China because it controls up to 70% of global supply chains across several commodities. It is also the lowest-cost producer. The rest of the world may need to rely on Chinese manufacturing or be prepared to either pay a higher cost or delay the transition.”
And then there’s the growth in electricity demand, which the IEA also highlighted. While any scenario that brings down emissions globally to levels consistent with even 2.5 degrees of warming, let alone 1.5, will involve a high degree of electrification of processes currently reliant on the combustion of fossil fuels, new demand for electricity can have ambiguous effects on overall emissions depending on the ability of non-carbon-emitting generation to meet that demand.
“The quick expansion of electricity supply is often constrained by transmission infrastructure which takes time to develop,” the report says. This means new demand could be met by fossil fuels, that the energy transition could become more expensive than it would be under a lower demand scenario, or that some crucial amount of electrification just simply does not happen.
“What happens if geopolitical crises, expanded trade restrictions, or protectionist policies becomes the norm, rather than the exception on a long-term basis? And where you see slower cost declines for alternative energy?” asked David Brown, director of Wood Mackenzie’s energy transition practice. If things continue as they are, that's a question we’ll all have to answer.
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It’s his philosophy. They’re just legislating it.
As the Senate Finance Committee worked on its version of the reconciliation bill that would, among things, overhaul the Inflation Reduction Act, there was much speculation among observers that there could be a carve out for sources of power like geothermal, hydropower, and nuclear, which provide steady generation and tend to be more popular among Republicans, along the lines of the slightly better treatment received by advanced nuclear in the House bill.
Instead, the Senate Finance Committee’s text didn’t carve out these “firm” sources of power, it carved out solar and wind, preserving tax credits for everything else through 2035, while sunsetting solar and wind by 2028.
For much of the last few months — and for years before he was sworn in as Secretary of Energy — Chris Wright has been expounding on his philosophy of energy and climate. If anything, the Senate Finance draft seems to hew closer to Wright’s worldview than Trump’s, which is less specific, even more critical of renewables (especially wind), and largely in favor of nuclear power when it comes to non-carbon-emitting generation.
“I’m sure Secretary Wright’s strong support for firm technologies over the past few months played a role in Chairman Crapo’s approach to energy tax credit reform,” Pavan Venkatakrishnan, an infrastructure fellow at the Institute for Progress, told me.
Wright argues that climate change is real but not a top-tier concern and that it certainly should not be addressed by restricting energy usage, which he sees as foundational to the good life here and abroad.
And among energy sources, the former fracking executive is no opponent of fossil fuels but is also enthusiastic about energy innovation.
In his company Liberty Energy’s Bettering Human Lives report, published last year, which doubles as a kind of manifesto, Wright wrote that “viable paths to reducing greenhouse gas (GHG) emissions can only come from reliable and affordable low-carbon energy technologies,” and specifically listed next-generation nuclear and geothermal, which Liberty had invested in through the geothermal company Fervo and nuclear company Oklo.
“To achieve largescale human betterment, we will need significant future energy additions from nuclear, hydropower, geothermal, and all other viable energy technologies,” the report read.
And he’s often been skeptical of renewables along the lines of many Congressional Republicans, that they aren’t reliable enough and require additional resources to fully support the grid.
“Maybe the biggest problem is intermittency,” Wright said at a Liberty Energy event last year.
“You can build a lot of wind and solar, and then at night, the sun’s not shining and then sometimes the wind doesn’t blow, and you have no energy. So to keep society running, you have to have a whole second separate energy system,” Wright said.
In testimony to the House of Representatives last week, Wright said “If you’re not there at peak demand, you’re just a parasite on the grid, because you just make the other sources turn up and down as you come and go.”
Many critics of the Republican reconciliation bills have noted that much of the electricity generation pipeline is solar, wind, or storage, and so cutting off their tax credits risks leaving the country at an energy shortage while gas turbines take years and years to actually get on the grid.
But as Congress was working on the reconciliation bill, Wright made a series of widely noted public appearances where he promoted clean firm power and continued government support for it.
“My recommendation has been to leave behind the equivalent of the wind and solar tax credits — through if you start construction by 2031 — for nuclear fission and fusion and geothermal,” Wright said at an event earlier this month.
In May, Wright addressed the Nuclear Energy Institute, outlining his support for sunsetting wind and solar tax credits will working to kickstart nuclear power. “My personal goal would be to much more rapidly sunset the technologies that have been around and have been living on decades of subsidies,” Wright said. He also supported a “window” of “favorable treatment” for nuclear and geothermal.
“I’m in favor of every nudge, every incentive we can get from the federal government to restart this industry,” Wright said.
While Wright has been skeptical of wind and solar and optimistic about nuclear and geothermal for years, he’s also started talking more positively about energy storage. In the past, he’s talked up hydrocarbons for “coming with their own storage,” as he put it in a 2018 podcast.
But at an appearance at ARPA-E in March, Wright gave some of his most extended thoughts on energy storage, which sits somewhat awkwardly between variable resources like solar and wind and firm resources like nuclear and geothermal.
“Solar is growing very fast, getting more efficient and taking panels, cheaper materials and developing energy,” Wright said. “The biggest problem there is the sun doesn’t always shine, and we don’t know when clouds are going to come and when it’s not going to shine, but if we can get energy storage better, that’s a game changer.”
At least until 2035.
When I reached out to climate tech investors on Tuesday to gauge their reaction to the Senate’s proposed overhaul of the clean energy tax credits, I thought I might get a standard dose of can-do investor optimism. Though the proposal from the Senate Finance committee would cut tax credits for wind and solar, it would preserve them for other sources of clean energy, such as geothermal, nuclear, and batteries — areas of significant focus and investment for many climate-focused venture firms.
But the vibe ended up being fairly divided. While many investors expressed cautious optimism about what this latest text could mean for their particular portfolio companies, others worried that by slashing incentives for solar and wind, the bill’s implications for the energy transition at large would be categorically terrible.
“We have investments in nuclear, we have investments in geothermal, we have investments in carbon capture. All of that stuff is probably going to get a boost from this, because so much money is going to be flowing out of quote, unquote, ‘slightly more established’ zero emissions technologies,” Susan Su, a climate tech investor at Toba Capital, told me. “So we’re diversified. But for me, as a human being, and as somebody that cares about climate change and cares about having an abundant energy future, this is very short-sighted.”
Bigger picture aside, the idea that the Senate proposal could lead to more capital for non-solar, non-wind clean energy technologies was shared by other investors, many of whom responded with tentative hope when I asked for their thoughts on the bill.
“The extension of the nuclear and geothermal tax credits compared to the House bill is really important,” Rachel Slaybaugh, a climate tech investor at DCVC, told me. The venture firm has invested in the nuclear fission company Radiant Nuclear, the fusion company Zap Energy, and the geothermal startup Fervo Energy. As for how Slaybaugh has been feeling since the bill’s passage as well as the general sentiment among DCVC’s portfolio companies, she told me that “it's mostly been the relief of like, thank you for at least supporting clean, firm and bringing transferability back.”
Indeed, the proposed bill not only fully preserves tax credits for most forms of zero-emissions power until 2034, but also keeps tax credit transferability on the books. This financing mechanism is essential for renewable energy developers who cannot fully utilize the tax credits themselves, as it allows them to sell credits to other companies for cash. All of this puts nascent clean, firm technologies on far more stable footing than after the House’s version of the bill was released last month.
Carmichael Roberts of Breakthrough Energy Ventures echoed these sentiments via email when he told me, “the Senate proposal is a meaningful improvement over the House version for clean energy companies. It creates more predictability and a clearer runway for emerging technologies that are not yet fully commercial.” Breakthrough invests in multiple fusion, geothermal, and long-duration energy storage startups.
Amy Duffuor, co-founder and general partner at Azolla Ventures, also acknowledged in an email that it’s “encouraging” that the Senate has “seen the way forward on clean firm baseload power.” However, she issued a warning that the unsettled policy environment is leading to “material risks and uncertainties for start-ups reliant on current tax incentives.”
Solar and wind are by far the most widely deployed and cost-competitive forms of renewable energy. So while they now mainly exist outside the remit of venture firms, there are numerous climate-focused startups that operate downstream of this tech. Think about all the software companies working to optimize load forecasting, implement demand response programs, facilitate power purchase agreements, monitor grid assets, and so much more. By proxy, these startups are now threatened by the Senate’s proposal to phase out the investment and production tax credits for solar and wind projects beginning next year, with a full termination after 2027.
“I think solar and wind will survive. But it's going to be like 80% of the deals don't pencil for a long time,” Ryan Guay, co-founder and president of the software startup Euclid Power, told me. Euclid makes data management and workflow tools for renewable project developers, so if the tax credits for solar and wind go kaput, that will mean less business for them. In the meantime though, Guay expects to be especially busy as developers rush to build projects before their tax credit eligibility expires.
As Guay explained to me, it’s not just the rescission of tax credits that he believes will kill such a large percent of solar and wind projects. It’s the combined impact of those cuts, the bill’s foreign entity of concern rules restricting materials from China, and Trump’s tariffs on Chinese-made components. “You’re not giving the industry enough time to actually build that robust domestic supply chain, which I agree needs to happen,” Guay told me. “I’m all for the security of the grid, but our supply chains are already very constrained.”
Many investors also expressed frustration and confusion over why Senate Republicans, and the Trump administration at large, would target incentives for solar and wind — the fastest growing domestic energy sources — while touting an agenda of energy dominance and American leadership. Some even used the president’s own language around energy issues to deride the One Big Beautiful Bill’s treatment of solar and wind as well as its repeal of the electric vehicle tax credits.
“The rollbacks of the IRA weaken the U.S. in key areas like energy dominance and the auto industry, which is rapidly becoming synonymous with the EV industry,” Matt Eggers, a managing director at the climate-tech investment firm Prelude Ventures, wrote to me in an email. “This bill will still ultimately cost us economic growth, jobs, and strategic positioning on the world stage.”
“The only real question is, are we going to double down on the future and on American dynamism?” Andrew Beebe, managing director at Obvious Ventures, asked in an emailed response. “Or are we going to cling to the past by trying to hold back a future of abundant, clean, and affordable energy?”
Su wanted to focus on the bigger picture too. While the Senate’s proposal gives tax credits for solar and wind a much longer phaseout period than the House’s bill — which would have required projects to start construction within 60 days of the bill’s passage and enter service by 2028 — Su still doesn’t think the Senate’s version is much to celebrate.
“The specific changes that came through in the Senate version are really kind of nibbling at the edges and at the end of the day, this is a huge blow for our emissions trajectory,” Su told me. She’s always been a big believer that there’s still a significant amount of cutting edge innovation in the solar and wind sectors, she told me. For example, Toba is an investor in Swift Solar, a startup developing high-efficiency perovskite solar cells. Nixing tax credits that benefit the solar industry will hit these smaller players especially hard, she told me.
With the Senate now working to finalize the bill, investors agreed that the current proposal is certainly not the worst case scenario. But many did say it was worse than they had — perhaps overly optimistically — been holding out for.
“To me, it's really bad because it now has a major Senate stamp of approval,” Su told me. The Senate usually tempers the more extreme, partisan impulses of the House. Thus, the closer a bill gets to clearing the Senate, the closer it usually is to its final form. Now, it seems, the reconciliation bill is suddenly feeling very real for people.
“At least back between May 22 and [Monday], we didn't know what was going to get amended, so there was still this window of hope that things could change more dramatically." Su said. Now that window is slowly closing, and the picture of what incentives will — and won’t — survive is coming into greater focus.
Rob and Jesse talk with John Henry Harris, the cofounder and CEO of Harbinger Motors.
You might not think that often about medium-duty trucks, but they’re all around you: ambulances, UPS and FedEx delivery trucks, school buses. And although they make up a relatively small share of vehicles on the road, they generate an outsized amount of carbon pollution. They’re also a surprisingly ripe target for electrification, because so many medium-duty trucks drive fewer than 150 miles a day.
On this week’s episode of Shift Key, Rob and Jesse talk with John Henry Harris, the cofounder and CEO of Harbinger Motors. Harbinger is a Los Angeles-based startup that sells electric and hybrid chassis for medium-duty vehicles, such as delivery vans, moving trucks, and ambulances.
Rob, John, and Jesse chat about why medium-duty trucking is unlike any other vehicle segment, how to design an electric truck to last 20 years, and how President Trump’s tariffs are already stalling out manufacturing firms. Shift Key is hosted by Jesse Jenkins, a professor of energy systems engineering at Princeton University, and Robinson Meyer, Heatmap’s executive editor.
Subscribe to “Shift Key” and find this episode on Apple Podcasts, Spotify, Amazon, YouTube, or wherever you get your podcasts.
You can also add the show’s RSS feed to your podcast app to follow us directly.
Here is an excerpt from our conversation:
Robinson Meyer: What is it like building a final assembly plant — a U.S. factory — in this moment?
John Harris: I would say lots of people talk about how excited they are about U.S. manufacturing, but that's very different than putting their money where their mouth is. Building a final assembly line, like we have — our team here is really good, that they made it feel not that hard. The challenge is the whole supply chain.
If we look at what we build here in-house at Harbinger, we have a final assembly line where we bolt parts together to make chassis. We also have two sub-component assembly lines where we take copper and make motors, and where we take cells and make batteries. All three of those lines work pretty well. We're pumping out chassis, and they roll out the door, and we sell them to people, which is great. But it’s all the stuff that goes into those, that's the most challenging. There's a lot of trade policy at certain hours of the day, on certain days of the week — depending on when we check — that is theoretically supposed to encourage us manufacturing.
But it's really not because of the volatility. It costs us an enormous amount to build the supply chain, to feed these lines. And when we have volatile trade policy, our reaction, and everyone else's reaction, is to just pause. It’s not to spend more money on U.S. manufacturing, because we were already doing that. We were spending a lot on U.S. manufacturing as part of our core approach to manufacturing.
The latest trade policy has caused us to spend less money on U.S. manufacturing — not more, because we're unclear on what is the demand environment going to be, what is the policy going to be next week? We were getting ready to make major investments to take certain manufacturing tasks in our supply chain out of China and move them to Mexico, for example. Now we’re not. We were getting ready to invest in certain kinds of automation to do things in house, and now we're waiting. So the volatility is dramatically shrinking investment in US manufacturing, including ours.
Meyer: And can you just explain, why did you make that decision to pause investment and how does trade policy affect that decision?
Harris: When we had 25% tariffs on China, if we take content out of China and move it to Mexico, we break even — if that. We might still end up underwater. That's because there's better automation in China. There's much higher labor productivity. And — this one is always shocking to people — there’s lower logistics costs. When we move stuff from Shenzhen to our factory, in many cases it costs us less than moving shipments from Monterey.
Mentioned:
CalStart’s data on medium-duty electric trucks deployed in the U.S.
Here’s the chart that John showed Rob and Jesse:
Courtesy of Harbinger
It draws on data from Bloomberg in China, the ICCT, and the Calstart ZET Dashboard in the United States.
Jesse’s case for EVs with gas tanks — which are called extended range electric vehicles