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NET Power’s power plants are an oil exec’s fantasy, an environmentalist’s nightmare, and an energy expert’s object of fascination. The company builds natural gas-burning power plants that, due to the inherent design of the system, don’t release carbon dioxide or other health-harming pollutants. If the tech can scale, it could be a key contender to complement solar and wind energy on the grid, with the ability to dispatch carbon-free power when it’s needed and run for as long as necessary, unconstrained by the weather.
The company is especially well-positioned now that the Environmental Protection Agency has finalized emissions standards for new natural gas plants that require them to reduce their emissions by 90% by 2032 — part of what landed NET Power a spot on our list of 10 make-or-break new energy projects in the U.S. In checking in on how things were going at the company, however, we learned NET Power hadn’t made quite as much progress as we thought.
NET Power’s leadership has said its process is so efficient that when built at scale, it will produce cheaper power than a conventional natural gas plant. Today’s plants combust methane with air to heat up water and produce steam, which spins a turbine to generate electricity. NET Power’s system instead combusts methane with pure oxygen, producing extremely hot CO2 that can drive a specially designed turbine. By replacing air, which is about 78% nitrogen, with oxygen, the CO2 produced is very pure. The system recovers most of the gas and uses it to generate more electricity, but the small amount that is not recovered is easier (and cheaper) to capture and store than the mix of gases that comes out of a typical power plant.
The company, whose backers include Occidental Petroleum, Constellation Energy, and Baker Hughes, broke ground on a demonstration project in La Porte, Texas in 2016, and began testing the equipment in 2018. In November 2021, it made waves among clean energy wonks when it announced a major milestone: The plant had successfully “synchronized” with the Texas grid, delivering enough electricity to power about 1,000 homes.
“This is a Wright-brothers-first-flight kind of breakthrough for energy,” NET Power’s then-CEO Ron DeGregorio said at the time. “Zero-emission, low-cost electricity delivered to the grid from natural gas-fueled technology.”
But the breakthrough wasn’t exactly what it seemed. In reports filed to the Securities and Exchange Commission as recently as last month, under a section titled “Risk Factors,” the company noted that its La Porte demonstration plant has “not yet overcome all power loads to provide net positive power delivery to the commercial grid during its operation.”
In other words, despite having successfully delivered power to the Texas grid, NET Power’s plant did not — and still hasn’t — generated more power than it consumes. Here is the rest of the explanation from the filing:
Our Demonstration Plant successfully generated electric power while synchronized to the grid, but it has not yet overcome all facility auxiliary power loads (pumps, compressors, etc.) to provide net positive power delivery to the commercial grid during its operation. If initial commercial power plants are unable to efficiently provide net power output to the commercial grid using the NET Power Cycle, this could harm our business, results of operation and reputation.
The company told me this was all according to plan. “NET Power’s La Porte Demonstration Facility was designed and built for one goal — to prove the technical viability of the NET Power Cycle, which it did,” NET Power said in an emailed statement. “Given its small scale” — just 25 megawatts — “and the design considerations required for a flexible test facility, La Porte was not intended to provide net positive power to the grid.” It added that Project Permian, the company’s first utility-scale project, “is intended to generate and deliver net positive power,” and is expected to be operational in late 2027, or early 2028.
Though NET Power never said anything to the contrary, several energy experts I reached out to said this was news to them. “It’s sort of surprising that they didn’t report it before, because obviously that would have been known at the time,” Sara Hastings-Simon, a physicist who researches the energy transition at the University of Calgary. The excitement around NET Power is rooted in its potential to be cheaper than a typical carbon capture project, which adds a big cost to power generation. “The challenge is now, it’s really hard to know until it gets there whether there is truth to that statement or not,” said Hastings-Simon.
Chris Bataille, a research fellow at the Columbia University Center on Global Energy Policy who sees a lot of promise in the company’s technology, said he saw this as a red flag. “I don’t think it sinks it,” he told me. “I don’t think suddenly it has crashed and burned. But it does say that they’re less advanced.”
But Joshua Rhodes, an energy systems researcher at the University of Texas, was unfazed when I asked whether it mattered that the company still hadn’t passed this milestone after nearly three years. “I’m sure they would have liked to pass it by now and I don’t know if there are any factors that are hindering them,” he said in an email. “That said, it is a new technology that, if it can be shown to work, could be huge.”
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Add it to the evidence that China’s greenhouse gas emissions may be peaking, if they haven’t already.
Exactly where China is in its energy transition remains somewhat fuzzy. Has the world’s largest emitter of greenhouse gases already hit peak emissions? Will it in 2025? That remains to be seen. But its import data for this year suggests an economy that’s in a rapid transition.
According to government trade data, in the first fourth months of this year, China imported $12.1 billion of coal, $100.4 billion of crude oil, and $18 billion of natural gas. In terms of value, that’s a 27% year over year decline in coal, a 8.5% decline in oil, and a 15.7% decline in natural gas. In terms of volume, it was a 5.3% decline, a slight 0.5% increase, and a 9.2% decline, respectively.
“Fossil fuel demand still trends down,” Lauri Myllyvirta, the co-founder of the Centre for Research on Energy and Clean Air, wrote on X in response to the news.
Morgan Stanley analysts predicted Friday in a note to clients that this “weak downstream demand” for coal in China would “continue to hinder coal import volume.”
Another piece of China’s emissions and coal usage puzzle came from Indonesia, which is a major coal exporter. Citing data from trade data service Kpler, Reuters reported Friday that Indonesia’s thermal coal exports “have dropped to their lowest in three years” thanks to “weak demand in China and India,” the world’s two biggest coal importers. Indonesia’s thermal coal exports dropped 12% annually to 150 million tons in the first third of the year, Reuters reported.
China’s official goal is to hit peak emissions by 2030 and reach “carbon neutrality” by 2060. The country’s electricity grid is largely fueled by coal (with hydropower coming in at number two), as is its prolific production of steel and cement, which is energy and, specifically, coal-intensive. For a few years in the 2010s, more cement was poured in China than in the whole 20th century in the United States. China also accounts for about half of the world’s steel production.
At the same time, China’s electricity demand growth is being largely met by renewables, implying that China can expand its economy without its economy-wide, annual emissions going up. This is in part due to a massive deployment of renewables. In 2023, China installed enough non-carbon-emitting electricity generation to meet the total electricity demand of all of France.
China’s productive capacity has shifted in a way that’s less carbon intensive, experts on the Chinese energy system and economy have told Heatmap. The economy isshifting more toward manufacturing and away from the steel-and-cement intensive breakneck urbanization of the past few decades, thanks to a dramatically slowing homebuilding sector.
Chinese urban residential construction was using almost 300 million tons of steel per year at its peak in 2019, according to research by the Reserve Bank of Australia, about a third of the country’s total steel usage. (Steel consumption for residential construction would fall by about half by 2023.) By contrast, the whole United States economy consumes less than 100 million tons of steel per year.
To the extent the overall Chinese economy slows down due to the trade war with the United States, coal usage — and thus greenhouse gas emissions — would slow as well. Although that hasn’t happened yet — China also released export data on Friday that showed sustained growth, in spite of the tariff barriers thrown up by the Trump administration.
The nonprofit laid off 36 employees, or 28% of its headcount.
The Trump administration’s funding freeze has hit the leading electrification nonprofit Rewiring America, which announced Thursday that it will be cutting its workforce by 28%, or 36 employees. In a letter to the team, the organization’s cofounder and CEO Ari Matusiak placed the blame squarely on the Trump administration’s attempts to claw back billions in funding allocated through the Greenhouse Gas Reduction Fund.
“The volatility we face is not something we created: it is being directed at us,” Matusiak wrote in his public letter to employees. Along with a group of four other housing, climate, and community organizations, collectively known as Power Forward Communities, Rewiring America was the recipient of a $2 billion GGRF grant last April to help decarbonize American homes.
Now, the future of that funding is being held up in court. GGRF funds have been frozen since mid-February as Lee Zeldin’s Environmental Protection Agency has tried to rescind $20 billion of the program’s $27 billion total funding, an effort that a federal judge blocked in March. While that judge, Tanya S. Chutkan, called the EPA’s actions “arbitrary and capricious,” for now the money remains locked up in a Citibank account. This has wreaked havoc on organizations such as Rewiring America, which structured projects and staffing decisions around the grants.
“Since February, we have been unable to access our competitively and lawfully awarded grant dollars,” Matusiak wrote in a LinkedIn post on Thursday. “We have been the subject of baseless and defamatory attacks. We are facing purposeful volatility designed to prevent us from fulfilling our obligations and from delivering lower energy costs and cheaper electricity to millions of American households across the country.”
Matusiak wrote that while “Rewiring America is not going anywhere,” the organization is planning to address said volatility by tightening its focus on working with states to lower electricity costs, building a digital marketplace for households to access electric upgrades, and courting investment from third parties such as hyperscale cloud service providers, utilities, and manufacturers. Matusiak also said Rewiring America will be restructured “into a tighter formation,” such that it can continue to operate even if the GGRF funding never comes through.
Power Forward Communities is also continuing to fight for its money in court. Right there with it are the Climate United Fund and the Coalition for Green Capital, which were awarded nearly $7 billion and $5 billion, respectively, through the GGRF.
What specific teams within Rewiring America are being hit by these layoffs isn’t yet clear, though presumably everyone let go has already been notified. As the announcement went live Thursday afternoon, it stated that employees “will receive an email within the next few minutes informing you of whether your role has been impacted.”
“These are volatile and challenging times,” Matusiak wrote on LinkedIn. “It remains on all of us to create a better world we can all share. More so than ever.”
The company managed to put a positive spin on tariffs.
The residential solar company Sunrun is, like much of the rest of the clean energy business, getting hit by tariffs. The company told investors in its first quarter earnings report Tuesday that about half its supply of solar modules comes from overseas, and thus is subject to import taxes. It’s trying to secure more modules domestically “as availability increases,” Sunrun said, but “costs are higher and availability limited near-term.”
“We do not directly import any solar equipment from China, although producers in China are important for various upstream components used by our suppliers,” Sunrun chief executive Mary Powell said on the call, indicating that having an entirely-China-free supply chain is likely impossible in the renewable energy industry.
Hardware makes up about a third of the company’s costs, according to Powell. “This cost will increase from tariffs,” she said, although some advance purchasing done before the end of last year will help mitigate that. All told, tariffs could lower the company’s cash generation by $100 million to $200 million, chief financial officer Danny Abajian said.
But — and here’s where things get interesting — the company also offered a positive spin on tariffs.
In a slide presentation to investors, the company said that “sustained, severe tariffs may drive the country to a recession.” Sounds bad, right?
But no, not for Sunrun. A recession could mean “lower long term interest rates,” which, since the company relies heavily on securitizing solar leases and benefits from lower interest rates, could round in the company’s favor.
In its annual report released in February, the company mentioned that “higher rates increase our cost of capital and decrease the amount of capital available to us to finance the deployment of new solar energy systems.” On Wednesday, the company estimated that a 10% tariff, which is the baseline rate in the Trump “Liberation Day” tariffs, could be offset with a half percentage point decline in the company’s cost of capital, although it didn’t provide any further details behind the calculation.
Even in the absence of interest rate relief, a recession could still be okay for Sunrun.
“Historically, recessions have driven more demand for our products,” the company said in its presentation, arguing that because their solar systems offer savings compared to utility rates, they become more attractive when households get more money conscious.
Sunrun shares are up almost 10% today, as the company showed more growth than expected.
For what it’s worth, the much-ballyhooed decline in long-term interest rates as a result of Trump’s tariffs hasn’t actually happened, at least not yet. The Federal Reserve on Wednesday decided to keep the federal funds rate at 4.5%, the third time in a row the board of governors have chosen to maintain the status quo. The yield on 10-year treasuries, often used as a benchmark for interest rates, is up slightly since “Liberation Day” on April 2 and sits today at 4.34%, compared to 4.19% before Trump’s tariffs announcements.