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With policy chaos and disappearing subsidies in the U.S., suddenly the continent is looking like a great place to build.

Europe has long outpaced the U.S. in setting ambitious climate targets. Since the late 2000s, EU member states have enacted both a continent-wide carbon pricing scheme as well as legally binding renewable energy goals — measures that have grown increasingly ambitious over time and now extend across most sectors of the economy.
So of course domestic climate tech companies facing funding and regulatory struggles are now looking to the EU to deploy some of their first projects. “This is about money,” Po Bronson, a managing director at the deep tech venture firm SOSV told me. “This is about lifelines. It’s about where you can build.” Last year, Bronson launched a new Ireland-based fund to support advanced biomanufacturing and decarbonization startups open to co-locating in the country as they scale into the European market. Thus far, the fund has invested in companies working to make emissions-free fertilizers, sustainable aviation fuel, and biofuel for heavy industry.
It’s still rare to launch a fund abroad, and yet a growing number of U.S. companies and investors are turning to Europe to pilot new technology and validate their concepts before scaling up in more capital-constrained domestic markets.
Europe’s emissions trading scheme — and the comparably stable policy environment that makes investors confident it will last — gives emergent climate tech a greater chance at being cost competitive with fossil fuels. For Bronson, this made building a climate tech portfolio somewhere in Europe somewhat of a no-brainer. “In Europe, the regulations were essentially 10 years ahead of where we wanted the Americas and the Asias to be,” Bronson told me. “There were stricter regulations with faster deadlines. And they meant it.”
Of the choice to locate in Ireland, SOSV is in many ways following a model piloted by tech giants Google, Microsoft, Apple, and Meta, all of which established an early presence in the country as a gateway to the broader European market. Given Ireland’s English-speaking population, low corporate tax rate, business-friendly regulations, and easy direct flights to the continent, it’s a sensible choice — though as Bronson acknowledged, not a move that a company successfully fundraising in the U.S. would make.
It can certainly be tricky to manage projects and teams across oceans, and U.S. founders often struggle to find overseas talent with the level of technical expertise and startup experience they’re accustomed to at home. But for the many startups struggling with the fundraising grind, pivoting to Europe can offer a pathway for survival.
It doesn’t hurt that natural gas — the chief rival for many clean energy technologies — is quite a bit more expensive in Europe, especially since Russia’s invasion of Ukraine in 2022. “A lot of our commercial focus today is in Europe because the policy framework is there in Europe, and the underlying economics of energy are very different there,” Raffi Garabedian, CEO of Electric Hydrogen, told me. The company builds electrolyzers that produce green hydrogen, a clean fuel that can replace natural gas in applications ranging from heavy industry to long-haul transport.
But because gas is so cheap in the U.S., the economics of the once-hyped “hydrogen economy” have gotten challenging as policy incentives have disappeared. With natural gas in Texas hovering around $3 per thousand cubic feet, clean hydrogen just can’t compete. But “you go to Spain, where renewable power prices are comparable to what they are in Texas, and yet natural gas is eight bucks — because it’s LNG and imported by pipeline — it’s a very different context,” Garabedian explained.
Two years ago, the EU adopted REDIII — the third revision of its Renewable Energy Directive — which raises the bloc’s binding renewable share target to 42.5% by 2030 and broadens its scope to cover more sectors, including emissions from industrial processes and buildings. It also sets new rules for hydrogen, stipulating that by 2030, at least 42% of the hydrogen used for industrial processes such as steel or chemical production must be green — that is, produced using renewable electricity — increasing to 60% by 2035.
Member countries are now working to transpose these continent-wide regulations into national law, a process Garabedian expects to be finalized by the end of this year or early next. Then, he told me, companies will aim to scale up their projects to ensure that they’re operational by the 2030 deadline. Considering construction timelines, that “brings you to next year or the year after for when we’re going to see offtakes signed at much larger volumes,” Garabedian explained. Most European green hydrogen projects are aiming to help decarbonize petroleum, petrochemical, and biofuel refining, of all things, by replacing hydrogen produced via natural gas.
But that timeline is certainly not a given. Despite its many incentives, Europe has not been immune to the rash of global hydrogen project cancellations driven by high costs and lower than expected demand. As of now, while there are plenty of clean hydrogen projects in the works, only a very small percent have secured binding offtake agreements, and many experts disagree with Garabedian’s view that such agreements are either practical or imminent. Either way, the next few years will be highly determinative.
The thermal battery company Rondo Energy is also looking to the continent for early deployment opportunities, the startup’s Chief Innovation Officer John O’Donnell told me, though it started off close to home. Just a few weeks ago, Rondo turned on its first major system at an oil field in Central California, where it replaced a natural gas-powered boiler with a battery that charges from an off-grid solar array and discharges heat directly to the facility.
Much of the company’s current project pipeline, however, is in Europe, where it’s planning to install its batteries at a chemical plant in Germany, an industrial park in Denmark, and a brewery in Portugal. One reason these countries are attractive is that their utilities and regulators have made it easier for Rondo’s system to secure electricity at wholesale prices, thus allowing the company to take advantage of off-peak renewable energy rates to charge when energy is cheapest. U.S. regulations don’t readily allow for that.
“Every single project there, we’re delivering energy at a lower cost,” O’Donnell told me. He too cited the high price of natural gas in Europe as a key competitive advantage, pointing to the crippling effect energy prices have had on the German chemical industry in particular. “There’s a slow motion apocalypse because of energy supply that’s underway,” he said.
Europe has certainly proven to be a more welcoming and productive policy environment than the U.S., particularly since May, when the Trump administration cut billions of dollars in grants for industrial decarbonization projects — including two that were supposed to incorporate Rondo’s tech. One $75 million grant was for the beverage company Diageo, which planned to install heat batteries to decarbonize its operations in Illinois and Kentucky. Another $375 million grant was for the chemicals company Eastman, which wanted to use Rondo’s batteries at a plastics recycling plant in Texas.
While nobody knew exactly what programs the Trump administration would target, John Tough, co-founder at the software-focused venture firm Energize Capital, told me he’s long understood what a second Trump presidency would mean for the sector. Even before election night, Tough noticed U.S. climate investors clamming up, and was already working to raise a $430 million fund largely backed by European limited partners. So while 90% of the capital in the firm’s first fund came from the U.S., just 40% of the capital in this latest fund does.
“The European groups — the pension funds, sovereign wealth funds, the governments — the conviction they have is so high in climate solutions that our branding message just landed better there,” Tough told me. He estimates that about a quarter to a third of the firm’s portfolio companies are based in Europe, with many generating a significant portion of their revenue from the European market.
But that doesn’t mean it was easy for Energize to convince European LPs to throw their weight behind this latest fund. Since the American market often sets the tone for the global investment atmosphere, there was understandable concern among potential participants about the performance of all climate-focused companies, Tough explained.
Ultimately however, he convinced them that “the data we’re seeing on the ground is not consistent with the rhetoric that can come from the White House.” The strong performance of Energize’s investments, he said, reveals that utility and industrial customers are very much still looking to build a more decentralized, digitized, and clean grid. “The traction of our portfolio is actually the best it’s ever been, at the exact same time that the [U.S.-based] LPs stopped focusing on the space,” Tough told me.
But Europe can’t be a panacea for all of U.S. climate tech’s woes. As many of the experts I talked to noted, while Europe provides a strong environment for trialing new tech, it often lags when it comes to scale. To be globally competitive, the companies that are turning to Europe during this period of turmoil will eventually need to bring down their costs enough to thrive in markets that lack generous incentives and mandates.
But if Europe — with its infinitely more consistent and definitively more supportive policy landscape — can serve as a test bed for demonstrating both the viability of novel climate solutions and the potential to drive down their costs, then it’s certainly time to go all in. Because for many sectors — from green hydrogen to thermal batteries and sustainable transportation fuels — the U.S. has simply given up.
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Current conditions: The Pacific Northwest’s second atmospheric river in a row is set to pour up to 8 inches of rain on Washington and Oregon • A snow storm is dumping up to 6 inches of snow from North Dakota to northern New York • Warm air is blowing northeastward into Central Asia, raising temperatures to nearly 80 degrees Fahrenheit at elevations nearly 2,000 feet above sea level.
Heatmap’s Jael Holzman had a big scoop last night: The three leading Senate Democrats on energy and permitting reform issues are a nay on passing the SPEED Act. In a joint statement shared exclusively with Jael, Senate Energy and Natural Resources ranking member Martin Heinrich, Environment and Public Works ranking member Sheldon Whitehouse, and Hawaii senator Brian Schatz pledged to vote against the bill to overhaul the National Environmental Policy Act unless the legislation is updated to include measures to boost renewable energy and transmission development. “We are committed to streamlining the permitting process — but only if it ensures we can build out transmission and cheap, clean energy. While the SPEED Act does not meet that standard, we will continue working to pass comprehensive permitting reform that takes real steps to bring down electricity costs,” the statement read. To get up to speed on the legislation, read this breakdown from Heatmap’s Emily Pontecorvo.

In June, Heatmap’s Matthew Zeitlin explained how New York State was attempting to overcome the biggest challenge to building a new nuclear plant — its deregulated electricity market — by tasking its state-owned utility with overseeing the project. It’s already begun staffing up for the nuclear project, as I reported in this newsletter. But it’s worth remembering that the New York Power Authority, the second-largest government-controlled utility in the U.S. after the federal Tennessee Valley Authority, gained a new mandate to invest in power plants directly again when the 2023 state budget passed with measures calling for public ownership of renewables. On Tuesday, NYPA’s board of trustees unanimously approved a list of projects in which the utility will take 51% ownership stakes in a bid to hasten construction of large-scale solar, wind, and battery facilities. The combined maximum output of all the projects comes to 5.5 gigawatts, nearly double the original target of 3 gigawatts set in January.
But that’s still about 25% below the 7 gigawatts NYPA outlined in its draft proposal in July. What changed? At a hearing Tuesday morning, NYPA officials described headwinds blowing from three directions: Trump’s phaseout of renewable tax credits, a new transmission study that identified which projects would cost too much to patch onto the grid, and a lack of power purchase agreements from offtakers. One or more of those variables ultimately led private developers to pull out at least 16 projects that NYPA would have co-owned.
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During World War II, the Lionel toy train company started making components for warships, the Ford Motor Company produced bomber planes, and the Mattatuck Manufacturing Company known for its upholstery nails switched to churning out cartridge clips for Springfield rifles. In a sign of how severe the shortfall of equipment to generate gas-powered electricity has become, would-be supersonic jet startups are making turbines. While pushing to legalize flights of the supersonic jets his company wants to build, Blake Scholl, the chief executive of Boom Supersonic, said he “kept hearing about how AI companies couldn’t get enough electricity,” and how companies such as ChatGPT-maker OpenAI “were building their own power plants with large arrays of converted jet engines.” In a thread on X, he said that, “under real world conditions, four of our Superpower turbines could do the job of seven legacy units. Without the cooling water required by legacy turbines!”
The gas turbine crisis, as Matthew wrote in September, may be moving into a new phase as industrial giants race to meet the surging demand. In general, investors have rewarded the effort. “But,” as Matthew posed, “what happens when the pressure to build doesn’t come from customers but from competitors?” We may soon find out.
It is, quite literally, the stuff of science fiction, the kind of space-based solar power plant that Isaac Asimov imagined back in 1940. But as Heatmap’s Katie Brigham reported in an exclusive this morning, the space solar company Overview Energy has emerged from stealth, announcing its intention to make satellites that will transmit energy via lasers directly onto Earth’s power grids. The company has raised $20 million in a seed round led by Lowercarbon Capital, Prime Movers Lab, and Engine Ventures, and is now working toward raising a Series A. The way the technology would work is by beaming the solar power to existing utility-scale solar projects. As Katie explained: “The core thesis behind Overview is to allow solar farms to generate power when the sun isn’t shining, turning solar into a firm, 24/7 renewable resource. What’s more, the satellites could direct their energy anywhere in the world, depending on demand. California solar farms, for example, could receive energy in the early morning hours. Then, as the sun rises over the West Coast and sets in Europe, ‘we switch the beam over to Western Europe, Morocco, things in that area, power them through the evening peak,’” Marc Berte, the founder and CEO of Overview Energy, told her. He added: “It hits 10 p.m., 11 p.m., most people are starting to go to bed if it’s a weekday. Demand is going down. But it’s now 3 p.m. in California, so you switch the beam back.”
In bigger fundraising news with more immediate implications for our energy system, next-generation geothermal darling Fervo Energy has raised another $462 million in a Series E round to help push its first power plants over the finish line, as Matthew wrote about this morning.
When Sanae Takaichi became the first Japanese woman to serve as prime minister in October, I told you at the time how she wanted to put surging energy needs ahead of lingering fears from Fukushima by turning the country’s nuclear plants back on and building more reactors. Her focus isn’t just on fission. Japan is “repositioning fusion energy from a distant research objective to an industrial priority,” according to The Fusion Report. And Helical Fusion has emerged as its national champion. The Tokyo-based company has signed the first power purchase agreement in Japan for fusion, a deal with the regional supermarket chain Aoki Super Co. to power some of its 50 stores. The Takaichi administration has signaled plans to increase funding for fusion as the new government looks to hasten its development. While “Japan still trails the U.S. and China in total fusion investment,” the trade newsletter reported, “the policy architecture now exists to close that gap rapidly.”
Another day, another emerging energy or climate technology gets Google’s backing. This morning, the carbon removal startup Ebb inked a deal with Google to suck 3,500 tons of CO2 out of the atmosphere. Ebb’s technology converts carbon dioxide from the air into “safe, durable” bicarbonate in seawater and converting “what has historically been a waste stream into a climate solution,” Ben Tarbell, chief executive of Ebb, said in a statement. “The natural systems in the ocean represent the most powerful and rapidly scalable path to meaningful carbon removal … Our ability to remove CO2 at scale becomes the natural outcome of smart business decisions — a powerful financial incentive that will drive expansion of our technology.”
The Series E round will fund the enhanced geothermal company’s flagship Cape Station project.
The enhanced geothermal company Fervo is raising another $462 million, bringing on new investors in its Series E equity round.
The lead investor is a new one to the company’s books: venture capital firm B Capital, started by Facebook co-founder Eduardo Saverin. Fervo did not disclose a valuation, but Axios reported in March that it had been discussing an IPO in the next year or two at a $2 billion to $4 billion valuation.
Much of the capital will be devoted to further investments in its Cape Station facility in Utah, which is due to start generating 100 megawatts of grid power by the end of 2026. A smaller project in Nevada came online in 2023.
Fervo’s last equity round was early last year, when it raised $255 million led by oil and gas company Devon. It also raised another $206 million this past summer in debt and equity to finance the Cape Station project, specifically, and reported faster, deeper drilling numbers.
“I think putting pedal to the metal is a good way to put it. We are continuing to make progress at Cape station, which is our flagship project in Southwest Utah, and some of the funding will also be used for early stage development at other projects and locations to expand Fervo’s reach across the Western U.S.,” Sarah Jewett, Fervo’s senior vice president of strategy, told me
“Enhanced geothermal” refers to injecting fluid into hot, underground rocks using techniques borrowed from hydraulic fracturing for oil and gas. Along with the geothermal industry as a whole, Fervo has found itself in the sweet spot of energy politics. It can provide power for technology companies with sustainability mandates and states with decarbonization goals because it produces carbon-free electricity. And it can host Republican politicians at its facilities because the power is 24/7 and employs labor and equipment familiar to the oil and gas industry. While the Trump administration has been on a warpath against solar and (especially) wind, geothermal got a shoutout in the White House’s AI Action Report as an electricity source that should be nurtured.
“Being clean and operating around the clock is just a really strong value proposition to the market,” Jewett said. “Utilizing an oil and gas workforce is obviously a big part of that story; developing in rural America to serve grids across the West; producing clean, emissions-free energy. It's just a really nice, well-rounded value proposition that has managed to maintain really strong support across the aisle in Washington despite the administration shift.”
But bipartisan support on its own can’t lead to gigawatts of new, enhanced geothermal powering the American west. For that Fervo, like any venture-backed or startup energy developer, needs project finance, money raised for an individual energy project (like a solar farm or a power plant) that must be matched by predictable, steady cashflows. “That is, obviously the ultimate goal, is to bring the cost of capital down for these projects to what we call the ‘solar standard,’’’ Jewett said, referring to a minimum return to investors of below 10%, which solar projects can finance themselves at.
While solar power at this point is a mature technology using mass-manufactured, standardized parts having very good foreknowledge of where it will be most effective for generating electricity (it’s where the sun shines), enhanced geothermal is riskier, both in finding places to drill and in terms of drilling costs. Project finance investors tend to like what they can easily predict.
“We are well on our way to do it,” Jewett said of bringing down the perceived risk of enhanced geothermal. “This corporate equity helps us build the track record that we need to attract” project finance investors.
Whether enhanced geothermal is price competitive isn’t quite clear: Its levelized cost of energy is estimated to be around twice utility scale solar's, although that metric doesn’t give it credit for geothermal’s greater reliability and lack of dependence on the weather.
While Cape Station itself is currently covered in snow, Jewett said, construction is heating up. The facility has three power plants installed, a substation and transmission and distribution lines starting to be put up, putting the facility in line to start generating power next year, Jewett said.By the time it starts generating power for customers, Fervo hopes to have reduced costs even more.
“Cost reductions happen through learning by doing — doing it over and over and over again. We have now drilled over 30 wells at the Cape Station field and we’re learning over time what works best,” Jewett said.
Overview Energy has raised $20 million already and is targeting a Series A early next year.
When renowned sci-fi author Isaac Asimov first wrote about space-based solar power in the 1940s, it helped inspire engineers and the federal government alike to take the idea seriously. By the 1970s, a design had been patented and feasibility studies were underway. But those initial efforts didn’t get far — challenges with launch costs, constructing the necessary structures in space, and energy conversion efficiency proved too much for scientists to overcome.
Now the idea is edging ever closer to reality.
The space solar company Overview Energy emerged from stealth today, announcing its intention to make satellites that will transmit energy via lasers directly onto the Earth’s grid, targeting preexisting utility-scale solar installations. The startup has already raised $20 million in a seed round led by Lowercarbon Capital, Prime Movers Lab, and Engine Ventures, and is now working on raising a Series A.
The core thesis behind Overview is to allow solar farms to generate power when the sun isn’t shining, turning solar into a firm, 24/7 renewable resource. What’s more, the satellites could direct their energy anywhere in the world, depending on demand. California solar farms, for example, could receive energy in the early morning hours. Then, as the sun rises over the West Coast and sets in Europe, “we switch the beam over to Western Europe, Morocco, things in that area, power them through the evening peak,” Marc Berte, the founder and CEO of Overview Energy, explained. “It hits 10 p.m., 11 p.m., most people are starting to go to bed if it’s a weekday. Demand is going down. But it’s now 3 p.m. in California, so you switch the beam back.”
That so-called “geographic untethering” will be a key factor in making all of this economically feasible one day, Berte told me. The startup is targeting between $60 and $100 per megawatt-hour by 2035, when it aims to be putting gigawatts of commercial space solar on the grid. “It’s 5 o’clock somewhere,” Berte told me. “You’re profitable at $100 bucks a megawatt-hour somewhere, instantaneously, all the time.”
Making the math pencil out has also meant developing super-efficient lasers and eliminating all power electronics on its custom spacecraft. The type of light Overview beams to earth — called “near-infrared” and invisible to the naked eye — is also very efficiently converted into electricity on a solar cell. While pure sunlight is only converted at 20% efficient, near-infrared light is converted at 50% efficiency. Thus, Overview enables solar panels to operate even more efficiently during the night than during the day.
Today, the startup also announced the successful demonstration of its ability to transmit energy from a moving aircraft to a ground receiver three miles below — the first time anyone has beamed high power from a moving source. Although Overview’s satellites will eventually need to transmit light from much farther away — around 22,000 miles from Earth — the test proved that the fundamental technical components work together as planned.
“There’s no functional difference from what we just did from an airplane to what we’re going to do in 10 years at gigawatts from space,” Berte told me. “The same beacon, the same tracking, the same mirror, the same lasers, all the same stuff, just an airplane instead of space.”
Overview’s ultimate goal is ambitious to say the least: It’s aiming to design a system that can deliver the equivalent of 10% to 20% of all global electricity use by 2050. To get there, it’s aiming to put megawatts of power on the grid by 2030 and gigawatts by the mid-2030s. Its target customers include independent power producers, utilities, and data centers, and the company currently has a SpaceX launch booked for early 2028. At this point, Berte says Overview will likely be starting up its own prototype production line, which it will scale in the years to follow.
That certainly won’t be a simple undertaking. To produce a gigawatt of power, Overview will need to deploy 1,000 huge satellites, each measuring around 500 to 600 feet across and weighing about 8 to 10 tons. The largest satellites currently in space are about 100 to 150 feet across, and roughly 5 to 10 tons. “No one really mass-manufactures satellites in the kind of quantities required,” Berte explained, and nobody is producing the design and form factor that Overview requires. “So we are going to have to in-source a lot of the integration for that.”
But while the startup’s satellites will span the length of about two football fields, they fold up neatly into a package about the size of a shipping container, making it possible for them to fit on a SpaceX rocket, for example. When the satellites beam their power down to Earth, they’ll target a beacon — also shipping container-sized — that will be placed in the middle of the solar farm.
Initially, Berte told me, Overview will target deployment in places where logistical challenges make energy particularly expensive — think Alaska or island states and territories such as Guam, Hawaii, and Puerto Rico. But first, the company must demonstrate that its tech works from thousands of miles away. That’s what the funding from its forthcoming Series A, which Berte expects to close in spring of next year, is intended for.
“That is to take us to the next step, which is now do it in space. And after that, it’s now do it in space, but big,” he told me. “So it’s crawl, walk, run, but most importantly, the technology and how you do it doesn’t change.”