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Impulse Labs founder Sam D’Amico breaks down the reasons tariffs won’t help.

The Impulse Cooktop is, as my colleague Emily Pontecorvo has accurately described it, a “status stove.” Made out of “sleek black glass” with “burners that resemble a DJ turntable,” the kitchen appliance also has a large battery that allows it to double as an energy storage device.
The company that makes this stove, Impulse Labs, is thus exposed to two very volatile policy areas: subsidies for clean energy (its stoves, which will start shipping this summer, are currently eligible for a 30% tax credit that knocks down the prices from $5,999 to $4,200) and the global electronics supply chain.
I spoke with Impulse founder and chief executive Sam D’Amico on Wednesday, before President Trump announced his modified tariff policy eliminating so-called “reciprocal” duties and hiking the rate on Chinese goods to 145%. I wanted to get a sense of how the electrical and appliance supply chain — a key aspect of home decarbonization, and one that’s intensely globalized — was being affected by Trump’s on-and-off tariff announcements.
“Our attitude is, ‘Don’t panic and wait,’” he told me. “I don’t think we’re in a position to actually make changes right now, because it appears that things may settle out,” he said he’d been telling his staff — an attitude that was proved wise mere hours later when Trump largely reversed course.
I reached back out to D’Amico on Thursday after Trump’s tariff reversal to see what, if anything, had changed for him. “Currently we tariff tons of manufacturing inputs (since many come from China), which makes it very challenging to onshore production vs. move final assembly to a non-China country,” he told me by email. “The changing policies make it tricky to plan ahead as hardware has significant latency from design to mass production,” he added, quoting top Trump advisor Elon Musk: “The factory is the product.”
Impulse does have U.S.-made components, namely semiconductors (although those chips get packaged in Malaysia). But certain parts of the electronics and energy storage supply chain are always going to be in China, practically speaking. Impulse stoves feature lithium-iron-phosphate batteries, and “all LFP batteries are built in China,” D’Amico explained.
Pointing to none other than YouTube star-turned-consumer packaged good entrepreneur MrBeast, who has been vocal about the tariffs making it comparatively less expensive for him to produce his chocolate bars outside the country, D’Amico walked me through what it would be like to try to build a battery pack in the United States. You would likely have to import the cells from China, which controls almost all of the LFP cathode active material market. With the new tariffs, what was a $100 per kilowatt-hour U.S.-made battery becomes an over $200 per kilowatt-hour U.S.-made battery. “Assembly in the United States is presently disincentivized,” D’Amico said.
Even manufacturing relatively simple components in the U.S. can be expensive. The Impulse stove is 30 inches, whereas many ranges are 36 inches, and the company has received numerous requests to offer an adapter. At first D’Amico and his team thought, “This is a simple thing to build in the United States,” he told me. “It’s a painted sheet metal part.” U.S. sheet metal pourers quoted him $750. The Chinese quote? Below $200. Even with a 145% tariff, manufacturing in China would still be cheaper.
“Now imagine that all of these vendors are going to be super slammed because of the tariffs and stuff like that — and also the tariffs on steel and aluminum,” D’Amico added. For these reasons and more, he told me, he’s extremely skeptical of any plan to encourage American manufacturing by way of tariffs.
D’Amico told me that American contract manufacturers, such as they exist, either “suck,” “build exquisite medical device stuff,” or are too big to deal with startups. Figuring out contract manufacturing is so important, he said, that hardware entrepreneurs should map out the supply chain for their product first, then design their business around it.
“A really big failure point of hardware startups is they’ll go and build stuff out of — maybe not hobbyist components — but they’ll build an exquisite first prototype, and then they’ll have to realize they have a painful conversion process to figure out how to scale this thing.”
D’Amico said he started talking with contract manufacturers in 2022. Back then, the existing 20% tariffs on China were already a difficulty to consider. “Even if you built it in the United States and you were shipping units last year, you’d run into problems just because of the kind of tariffs hitting all of your bill of materials.”
The Impulse Cooktop is more vertically integrated than many big brand appliances. The sensors, power electronics, and the battery itself are all custom designed by Impulse, meaning that more of the value of the product accrues to Impulse as opposed to suppliers and manufacturers. (Think of an iPhone: It’s “designed by Apple in California,” and Apple is a much more valuable company than Foxconn, its contract manufacturer.)
But this also means that, because of its relatively small scale, Impulse is essentially sharing equipment time with other companies who use the same manufacturers. To be able to justify having their own equipment and their own manufacturing line, Impulse would need enormous scale to justify the financing costs and tariffs they would face.
“I’m not Elon,” D’Amico said. “We’re not making a million stoves this year.”
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Even the smallest wave, tidal, and river-current projects are currently licensed as if they were 1,000-megawatt dams.
Tucked inside the Senate’s ambitious new permitting bill, the Bipartisan American Affordability and Jobs Act, is a major win for an energy technology that often flies under the radar: marine power. Small-scale wave, tidal, and river-current projects could help power everything from remote communities and military installations to ocean sensors and coastal desalination systems — at least in theory.
Drawing largely from the bipartisan FLOWS Act, introduced in the Senate last December but never brought to a floor vote, BAAJA aims to streamline the licensing pathway for so-called micro hydrokinetic projects, which harness moving water without dams or reservoirs and have a capacity of 5 megawatts or less. The bill would give the Federal Energy Regulatory Commission one year to act on commercial license applications for these projects, while exempting them from full review under the National Environmental Policy Act. It would also allow FERC to issue 10- to 20-year licenses, giving projects a pathway to long-term commercial operation, as opposed to relying on pilot licenses designed for temporary testing.
The bill wouldn’t eliminate environmental oversight altogether. Small-scale marine energy projects would still undergo basic environmental screenings as a part of FERC licensing, and would still require state and local permits, which can trigger their own environmental reviews. They’d also remain subject to the Endangered Species Act and the Clean Water Act — though the bill would expedite reviews under both of those laws, too. On the whole, the reforms are intended to give developers and investors alike a quicker, more predictable timeline.
“Taking a 1-megawatt marine energy project and trying to license it like it’s a 1,000-megawatt conventional dam just wasn’t working. It was apples to oranges,” Matthew Allen, senior director of legislative affairs at the National Hydropower Association, told me. “Recognizing that it deserves its own process could be a tremendous market signal for the technology.”
After all, this tech certainly doesn’t look like large-scale hydropower, where colossal dams unleash thousands of tons of water per second that rush through electricity-generating turbines to the river below. Such gargantuan infrastructure projects typically require favorable geography — think big rivers running through steep, mountainous terrain, where a dam can create a sharp drop in elevation. And with most of the best sites in the U.S. already developed, the country is unlikely to build many new greenfield hydro projects anytime soon.
But less-developed marine energy technologies have barely scratched the surface of their potential. Some look like large buoys, bobbing with the ocean swells and converting that motion into electricity. Others use turbines anchored to the seafloor or riverbed, spinning as tides ebb and flow or river currents rush past. While these devices generate essentially zero power for the grid today, in theory the resource is enormous: The National Renewable Energy Laboratory estimates that wave, tidal, and river-current projects have the technical potential to generate a staggering 2,300 terawatt-hours of electricity annually — more than half of the country’s total electricity generation last year. Wave energy alone accounts for about 60% of that number.
Of course, technical potential is a long way from practical reality. Economic constraints, environmental regulations, competing water uses, and public acceptance could limit uptake of these technologies. NREL suggests that we would be lucky to eventually tap even 10% of marine energy’s potential. Meanwhile, most of the tech remains in the pilot or demonstration stage in the U.S. — which is exactly why expediting permitting for small-scale projects stands to have significant impact.
“Marine energy is so new and still so novel that a 5-megawatt device, it doesn’t even exist right now,” Jennifer Garson, former director of the Water Power Technologies Office during the Biden administration, told me. “So you’re still talking about a good amount of headroom for being able to deploy smaller-scale marine energy devices in rivers and nearshore.”
Early deployments have largely served remote or island communities. In the 70-person Alaska Native village of Igiugig, for example, Ocean Renewable Power Company installed two 35-kilowatt turbine systems on a local riverbed, designed to supply nearly half the village’s power and thus reduce reliance on expensive diesel generators. While the project’s pilot license expires in three years, the permitting bill could offer a pathway to continued power generation.
The lack of a commercial licensing pathway has already led to the demise of one promising project, National Hydropower Association senior program manager Kelly Rogers told me. Verdant Power’s tidal energy pilot in New York City’s East River — the first project of its type to receive a license in the U.S. — officially shuttered in 2021 when said pilot license expired. By then, its turbines had delivered over 312 megawatt-hours of total electricity to the grid, harnessing the tides as they flowed in and out of the saltwater channel.
Other companies in this space include wave energy startups Oscilla Power and CalWave, which make surface-floating and submerged wave energy converters, respectively, with the goal of selling to utility customers and remote communities alike. C-Power, another early-stage wave energy company, is focused on powering off-grid equipment like ocean sensors. And while all have received at least some venture backing, a significant portion of their funding comes from Department of Energy grants.
In 2022, all three received DOE funding to trial their tech at PacWave, an Oregon-based facility that’s the first grid-connected wave energy test site in the continental U.S. Backed by the DOE, the facility secured all its necessary state and federal approvals in advance so that companies working there could largely bypass the permitting process and get their tech straight into the water. But getting there, Garson told me, involved an arduous 15 years of negotiations among the DOE, the Bureau of Ocean Energy Management, and state and local authorities before the facility could open for testing this August.
The permitting bill can only do so much to accelerate a permitting process like this, Garson explained. Even with a faster FERC licensing process, all projects in federal waters — generally those more than 3 nautical miles from shore — will still need a separate lease from BOEM, a complex process that the bill’s new permitting pathway wouldn’t replace. “One of the complexities of anything that you do with water is you just have so many split jurisdictional challenges and questions,” she told me.
It’s also telling that as of yet, there are no wave energy devices in PacWave’s waters, as the Trump administration’s federal funding freeze has scrambled the plans of some of the marine energy developers who’d originally intended to test there. Oregon startup AquaHarmonics, for example, was on track to deploy its wave energy converter at PacWave but had to shut down last year after the Trump administration withheld its previously allocated grant money.
“A lot of the device deployments, particularly in the United States, have been contingent on or reliant on federal funding,” Garson told me. “You’re dealing with still such early-stage R&D that it really points to a necessity for the federal government to be in this space”
But while the federal budget for emerging marine energy technologies has generally grown year over year, Garson said relatively little of that money is actually reaching developers. When she was still at the DOE, for example, the Water Power Technologies Office launched a funding solicitation offering up to $112.5 million in total for wave energy companies to test their devices at sea, including at PacWave. But while the DOE was supposed to announce the winners last year, Garson said it has yet to do so — and it’s disbursed no funding, either.
“That’s a long time for a lot of these companies to sit and wait for any funding to even be available,” she told me. CalWave, at least, still plans to hook its system up at PacWave, as the startup’s CEO, Marcus Lehmann, told me the company is “now in the construction phase of installing the first grid-connected system” and that it plans to launch at PacWave sometime in 2027 or 2028.
He sees the permitting bill as “really critical” in helping early-stage projects “get online faster, and just to prove it out on a community level or a microgrid level” before scaling up to larger installations and device arrays that would likely exceed the 5-megawatt threshold.
“Regulatory certainty, particularly when you’re dealing with capital-tight startups — great. Anything that makes their lives easier, I am all for,” Garson told me, calling the existing permitting structure for marine energy “byzantine.” But she doesn’t think that if the bill passes we’ll suddenly see a slew of wave, tidal, and river-current projects coming online. “You’re still talking about relatively small outputs of power until we reach more [technological] maturity.”
But it could certainly be a first step toward recognizing the potential of water power technologies beyond conventional hydropower — and giving them a place in the broader clean energy conversation. “This is a meaningful amount of power to a lot of people. We just tend to get so lost in the gigawatt conversation,” Garson told me.
And while developers do measure these projects in kilowatts and megawatts for now, one day they too could help move the needle at the gigawatt level. As Garson put it, “If we can figure out how to unlock the ocean — power for everybody, everywhere.”
On methane emissions, renewables’ costs, and Poland’s atomic ambition
Current conditions: Hurricane Simon is lingering off Mexico’s coast as a new tropical depression that could form into a powerful storm begins gathering strength • Iceland has issued an orange-level warning — the notch just below the most severe — across the whole country ahead of an intense storm that could bring vicious winds and snow • The mountain areas surrounding Los Angeles are on red alert for wildfires throughout the rest of the week.
Over Labor Day weekend, I found myself on the upper deck of the ferry to Block Island, a rustic little vacation enclave between Rhode Island and New York’s Long Island, marveling at a seemingly endless horizon of spinning wind turbines. Revolution Wind, Orsted’s first big chunk of the Northeast’s offshore wind buildout, was, as its name implied, an act of defiance. The Trump administration had tried for months to kill the project, which was nearly finished when President Donald Trump returned to office last year. But the Danish energy giant won one battle after another in court, and ultimately brought the 704-megawatt turbine array online. Its completion, however, isn’t the end of the fight.
On Friday, the Department of Justice asked a federal court to rescind the Department of the Interior’s approval of a construction and operation plan for Revolution Wind. Citing a regulatory filing, Bloomberg broke news yesterday that the Interior Department wants to reconsider whether the permit complies with federal law. In response, my colleague Robinson Meyer asked last night whether Trump was “trying to blow up the permitting deal,” which includes a whole section on project certainty. (See my colleague Jael Holzman’s reporting on the bill for more.) White House energy advisor Jarrod Agen appeared to suggest the legal move was a negotiating tactic, calling on “the media” to “stop their attempts to blow up a GREAT deal for the American people.” In a post on X, he said, “This is an old lawsuit brought by the local community—who had serious concerns about this project—against the Biden Administration! The White House maintains support for PERMITTING REFORM! We look forward to the Senate voting on this historic legislation.” In a joint statement Senators Sheldon Whitehouse of Rhode Island and Martin Heinrich of New Mexico, the chief Democratic negotiators of the permitting deal, said “the administration needs to start showing good faith progress on wind permits.”
Of the 1,583 executive orders presidents have issued since 1993, 22 explicitly mention coal. More than a third of those bore Trump’s signature. That’s according to a new analysis by the Financial Times, whose reporting found that lobbying by the coal industry has significantly increased in Trump’s second term. “When we would meet with the Biden administration they were like, ‘Let’s just keep that coal in the ground,’” Michelle Bloodworth, chief executive at trade association America’s Power, told the newspaper. “It’s been just amazing, unbelievable to have President Trump and the administration talk so publicly about the importance of coal.”
Meanwhile, there’s an optimistic climate case for fossil fuel that has driven the shift away from coal and reducing America’s emissions. The problem with natural gas has always been that, despite producing less carbon when burned, the drilling and transportation of the fuel leaks methane, a powerful greenhouse gas that stays in the atmosphere for less time but traps more heat throughout those decades. But methane emissions from the U.S. oil and gas sector are remaining steady despite surging production, according to new research by Johns Hopkins University. The study, published yesterday in the peer-reviewed journal Communications Earth & Environment, highlights a big reason: “Companies have built more infrastructure needed to better capture methane — a vital component of natural gas — and transport it for sale as a fuel, providing a financial incentive to limit the amount escaping into the atmosphere.” That’s a double-edged sword, the paper’s author said. “The good news is that emissions have not markedly increased, as many scientists feared would happen after an enormous increase in natural gas production in the decades following the hydraulic fracturing boom,” Scot Miller, an associate professor of environmental health and engineering at Johns Hopkins University who studies greenhouse gases, said in a statement. “The bad news is that oil and gas production is still a large percentage of U.S. methane emissions, and we do not find any evidence that a flurry of federal legislation had an impact on emissions.”

Wind and solar is cheap to build, and even cheaper to operate. But data suggests “there is no meaningful relationship between wind and solar deployment” and lower wholesale electricity prices, according to a new analysis from the consultancy BloombergNEF. “This is also the case when considering all renewable generation, and renewable-plus-nuclear power.” That’s because, in many markets, renewables bid at or below zero, and are thus tapped first. As a result, fossil fuels set the marginal price during the hours when they’re in demand as a dispatchable resource when the sun isn’t shining or the wind isn’t blowing. On average, fossil fuels such as gas or coal set the price in Europe roughly 58% of the time in 2021, despite a declining share of generation. In the United Kingdom, it was around 90% in the early 2020s, but has since shrunk to 60%. In PJM Interconnection, the second-largest U.S. grid system, natural gas set the marginal price 60% of hours last year. A big problem is the high rate at which renewable power plants are forced to reduce output below maximum levels to keep from overloading the grid. Across 27 markets worldwide, BNEF found that the average rate at which wind and solar are curtailed was 10.5% last year. “Indeed, more wind and solar deployment may increase other cost inputs for retail prices unless other fundraising mechanisms are used,” the report warned. “For example, renewables integration is a key driver of grid expansion and reinforcement, for which network charges in consumer bills have been a crucial source of funding in many markets.”
So, when will wind and solar actually start reducing bills? It depends on where you’re talking about. Over the next decade, Germany’s prices are set to fall by 20% below the 2025 average. Britain’s offshore wind and solar buildout are expected to reduce prices by 26% over that same period between now and 2035. Spain, on the other hand, is forecast to see steady power prices over the next few years followed by an increase as its nuclear plants come offline. In the U.S., prices in PJM and the Electric Reliability Council of Texas are set to soar “partly due to the phaseout of wind and solar tax credits” and “delays to new gas-fired capacity and transmission build.” The Texas grid in particular could see prices soar by 160% over 2025 levels by 2035. But the Midcontinent Independent System Operator, the nation’s largest grid spanning the Midwest, and New York’s statewide grid are poised for “a gradual decline from 2026 driven by steady renewable additions, lowering the need for thermal generation.”
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The Department of Energy is pumping $581 million into upgrading the Tennessee Valley Authority’s grid system. The agency said Tuesday the funding would support 84 transmission and distribution projects across eight states in the federally owned utility’s territory, adding about 2.5 gigawatts of capacity. While $331 million will go to cost-share programs that require the TVA and local utilities to kick in funding, another $250 million will come as direct federal funding. “America’s electric grid cannot become a roadblock to economic growth,” Katie Jereza, the assistant energy secretary of the Office of Electricity, said in a statement.
When I visited the site where Poland plans to build its first nuclear power station with a trio of America’s flagship reactors, Westinghouse AP1000s, the area was little more than a cleared portion of a rural field on the Baltic Sea, where crews were conducting seismic tests. But as I told you last week, Poland cemented its plans by approving the purchase of long lead-time items. All along, the country had planned to build at least one more atomic power station. At first, the second plant was supposed to be financed with private capital and use South Korean technology. But those plans have largely fallen to the wayside in recent years.
Now the same state-owned firm behind the AP1000 facility has officially committed to building a second plant. The U.S., France, and Canada have all begun bidding to build the No. 2 facility, according to World Nuclear News.
Last month, I told you that the AI energy software provider Verse had tripled that amount of power capacity under its control. Now, I can reveal exclusively for this newsletter, the company is out with a new calculator that shows the potential impact of the data center buildout on Texas ratepayers. Without new power supply, data centers would add $624 per year to the average household’s bills, Verse’s calculations found. But requiring data centers to build their own power would reduce that increase to $35 per year. But data centers that respond to grid demand with flexibility, ramping down when supply when is lower, could actually reduce households' electricity bills by $223 per year. You can play with the calculator here for yourself.
The Trump administration has asked a court to re-examine a key permit for Revolution Wind in Rhode Island.
This is Heatmap Daily, an evening news digest written by our executive editor. Subscribe here.
Updated, 11:05 p.m. ET
At the end of the day, the biggest threat to the bipartisan permitting deal probably isn’t green groups, the fossil fuel industry, or monopoly utilities. It’s President Trump himself.
The legislative proposal is meant to constrain the president from tampering with clean energy projects — and if it passes, then some of its provisions seem like they could do so. But in order for it to pass, Trump must adhere to the deal that he brokered with the bill’s Senate Democratic negotiators, Sheldon Whitehouse of Rhode Island and Martin Heinrich of New Mexico.
Under that deal, the Trump administration must allow the 30 wind farms held up by what is normally a Department of Defense box-checking exercise to proceed. (Trump himself agreed to allow these projects to move forward, according to Politico reporting from last month.) More broadly, the administration has to make a show of good faith that it will return to what Whitehouse has called “regular order” on wind and solar permits. That could include approving a longer list of more than 200 onshore wind projects held up in the queue.
That somewhat informal deal is now facing its biggest test yet. On Friday, the Department of Justice filed a motion in court to re-examine a key permit granted to Revolution Wind, a nearly complete offshore wind farm being built off the coast of Rhode Island. The filing was first reported by Bloomberg.
Revolution Wind is one of six Biden-era offshore projects that is now operating or at least still moving forward. It could eventually produce as much as 700 megawatts of electricity. (Other offshore wind projects have accepted Trump’s $4 billion payouts.)
This isn’t the first time that the Trump administration has gone after this particular offshore project: The White House fought, and then resoundingly lost, an effort to stop work on Revolution Wind last year. But the timing of the filing — and the fact that it’s happening in Senator Whitehouse’s backyard — could make this filing far more significant.
In a post on X, the White House energy official Jarrod Agen seemed to play down the legal move without fully disowning it.
“This is an old lawsuit brought by the local community—who had serious concerns about this project—against the Biden Administration!,” he wrote. (The lawsuit in question was filed by Green Oceans, an anti-wind-energy group. Its law firm has what The New York Times described as “close ties” to the conservative legal movement.)
The White House still supports permitting reform, Agen added, adding that “the media should stop their attempts to blow up a GREAT deal for the American people!”
Sorry, Jarrod — we’re just doing our job. After we initially published this story, Senators Whitehouse and Heinrich sent a joint statement: “Frankly, we need to get permitting certainty in law, and this proves it,” they said. “In the meantime, the administration needs to start showing good faith progress on wind permits.”