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PJM is projecting nearly 50% demand growth through the end of the 2030s.
The nation’s largest electricity market expects to be delivering a lot more power through the end of the next decade — even more than it expected last year.
PJM Interconnection, which covers some or all of 13 states (and Washington, D.C.) between Maryland and Illinois, released its latest long-term forecast last week, projecting that its summer peak demand would climb by almost half, from 155,000 megawatts in 2025 to around 230,000 in 2039.
The electricity market attributed the increased demand to “the proliferation of data centers, electrification of buildings and vehicles, and manufacturing,” and noted (not for the first time) that the demand surge comes at the same time many fossil fuel power plants are scheduled to close, especially coal plants. Already, some natural gas and even some coal plants in PJM and elsewhere that were scheduled to close have seen their retirement dates pushed out in order to handle forecast electricity demand.
This is just the latest eye-popping projection of forthcoming electricity demand from PJM and others — last year, PJM forecast summer peak demand of about 180,000 megawatts in 2035, a figure that jumped to around 220,000 megawatts in this year’s forecast.
While summer is typically when grids are most taxed due to heavy demand from air conditioning, as more of daily life gets electrified — especially home heating — winter demand is forecast to rise, too. PJM forecast that its winter peak demand would go from 139,000 megawatts in 2025, or 88% of the summer peak, to 210,000 megawatts in 2039, or 95% of its summer peak demand forecast for that year.
Systems are designed to accommodate their peak, but winter poses special challenges for grids. Namely, the electric grid can freeze, with natural gas plants and pipelines posing a special risk in cold weather — not to mention that it’s typically not a great time for solar production, either.
Aftab Khan, PJM’s executive vice president for operations, planning, and security, said in a statement Thursday that much of the recent demand increase was due to data centers growing “exponentially” in PJM’s territory.
The disparity between future demand and foreseeable available supply in the short term has already led to a colossal increase in “capacity” payments within PJM, where generators are paid to guarantee they’ll be able to deliver power in a crunch. These payments tend to favor coal, natural gas, and nuclear power plants, which can produce power (hopefully) in all weather conditions whenever it’s needed, in a way that variable energy generation such as wind and solar — even when backed up by batteries — cannot as yet.
Prices at the latest capacity auction were high enough to induce Calpine, the independent power company that operates dozens of natural gas power plants and recently announced a merger with Constellation, the owner of the Three Mile Island nuclear plant, to say it would look at building new power plants in the territory.
The expected relentless increase in power demand, power capacity, and presumably, profits for power companies, was thrown into doubt, however, when the Chinese artificial intelligence company DeepSeek released a large language model that appears to require far less power than state of the art models developed by American companies such as OpenAI. While the biggest stock market victim has been the chip designer Nvidia, which has shed hundreds of billions of dollars of market capitalization this week, a number of power companies including Constellation and Vistra are down around 10%, after being some of the best stock market performers in 2024.
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The Department of Energy announced Wednesday that it was scrapping the loan guarantee.
The Department of Energy canceled a nearly $5 billion loan guarantee for the Grain Belt Express, a transmission project intended to connect wind power in Kansas with demand in Illinois that would eventually stretch all the way to Indiana.
“After a thorough review of the project’s financials, DOE found that the conditions necessary to issue the guarantee are unlikely to be met and it is not critical for the federal government to have a role in supporting this project. To ensure more responsible stewardship of taxpayer resources, DOE has terminated its conditional commitment,” the Department of Energy said in a statement Wednesday.
The $11 billion project had been in the works for more than a decade and had won bipartisan approval from state governments and regulators across the Midwest. The conditional loan guarantee announced in November 2024 would have secured up to $4.9 billion in financing to fund phase one of the project, which would run from Ford County in Kansas to Callaway County in Missouri.
In response to a request for comment, an Invenergy spokesperson said, “While we are disappointed about the LPO loan guarantee, a privately financed Grain Belt Express transmission superhighway will advance President Trump’s agenda of American energy and technology dominance while delivering billions of dollars in energy cost savings, strengthening grid reliability and resiliency, and creating thousands of American jobs.”
The project had long been the object of ire from Missouri Senator Josh Hawley, who recently stepped up his attacks in the hopes that a more friendly administration could help scrap the project. Two weeks ago, Hawley posted on X that he’d had “a great conversation today with @realDonaldTrump and Energy Secretary Chris Wright. Wright said he will be putting a stop to the Grain Belt Express green scam. It’s costing taxpayers BILLIONS! Thank you, President Trump.” The New York Times later reported that Trump had made a call to Wright on the issue with Hawley in the Oval Office.
Hawley celebrated the Grain Belt Express decision, writing on X, “It’s done. Thank you, President Trump,” and exulting in a separate post that “Department of Energy officially TERMINATES taxpayer funding for Green New Deal ‘grain belt express.’”
The senator had claimed that the plan would hurt Missouri farmers due to the use of eminent domain to acquire land for the project. In 2023, Hawley wrote a letter to Invenergy chief executive Michael Polsky claiming that “your company’s Grain Belt Express construction campaign has hurt Missouri’s farmers,” and that “they have lost the use of arable land, seen their property values decline, and been forced to operate under a cloud of uncertainty.”
Controversy over eminent domain and the use of agricultural land by transmission lines illustrates the difficulties in building the long-distance energy infrastructure necessary to decarbonize the grid.
Opposition to the project had been gestating for years but picked up steam in recent weeks. Earlier this month, Andrew Bailey, the Republican attorney general of Missouri, announced an investigation into the project. “This is a HUGE win for Missouri landowners and taxpayers who should not have to fund these green energy scams,” he wrote on X Wednesday following the DOE’s announcement.
As the project appeared to be more imminently imperiled, Invenergy scrambled to preserve its future, including making plans to connect gas to the transmission line. In a letter to Secretary of Energy Chris Wright written earlier this month, the Invenergy vice president overseeing the project wrote that the Grain Belt Express “has been the target of egregious politically motivated lawfare,” echoing language President Trump has used to describe his own travails.
If the author’s intent was to generate sympathy from the administration, it didn’t work. The end of the loan guarantee could be a death blow to the project, and will at the very least force Invenergy into a mad dash to try to match the lost capital.
Editor’s note: This story has been updated to include a comment from Invenergy.
CEO Mark Zuckerberg confirmed the company’s expanding ambitions in a Threads post on Monday.
Meta is going big to power its ever-expanding artificial intelligence ambitions. It’s not just spending hundreds of millions of dollars luring engineers and executives from other top AI labs (including reportedly hundreds of millions of dollars for one engineer alone), but also investing hundreds of billions of dollars for data centers at the multi-gigawatt scale.
“Meta is on track to be the first lab to bring a 1GW+ supercluster online,” Meta founder and chief executive Mark Zuckerberg wrote on the company’s Threads platform Monday, confirming a recent report by the semiconductor and artificial intelligence research service Semianalysis.
That first gigawatt-level project, Semianalysis wrote, will be a data center in New Albany, Ohio, called Prometheus, due to be online in 2026, Ashley Settle, a Meta spokesperson, confirmed to me. Ohio — and New Albany specifically — is the home of several large data center projects, including an existing Meta facility.
At the end of last year, Zuckerberg said that a datacenter project in Northeast Louisiana, now publicly known as Hyperion, would take 2 gigawatts of electricity; in his post on Monday, he said it could eventually be as large as 5 gigawatts. To get a sense of the scale we’re talking about, a new, large nuclear reactor has about a gigawatt of capacity, while a newly built natural gas plant could supply only around 500 megawatts.
As one could perhaps infer from the fact that their size is quoted in gigawatts instead of square feet or number of GPUs, whether or not these data centers get built comes down to the ability to power them.
Citing information from the natural gas company Williams, Semianalysis reported that Meta “went full Elon mode” for the New Albany datacenter, i.e. is installed its own natural gas infrastructure. Specifically, Williams is building two 200-megawatt facilities, according to the gas developer and Semianalysis, for the Ohio project. (Williams did not immediately respond to a Heatmap request for comment.)
Does this mean Meta is violating its commitments to reach net zero? While the data center buildout may make those goals more difficult to achieve, Meta is still investing in new renewables even as it’s also bringing new gas online. Late last month, the company announced that it was procuring almost 800 new megawatts of renewables from projects to be built by Invenergy, including over 400 megawatts of solar in Ohio, roughly matching the on-site generation from the Prometheus project.
But there’s more to a data center’s climate footprint than what a big tech company does — or does not — build on site.
The Louisiana project, Hyperion, will also be served by new natural gas and renewables added to the grid. Entergy, the local utility, has proposed 1.5 gigawatts of natural gas generation near the Meta site and over 2 gigawatts of new natural gas in total, with another plant in the southern part of the state to help balance the addition of significant new load. In December, when the data center was announced, Meta said that it planned to “bring at least 1,500 megawatts of new renewable energy to the grid.” Entergy did not immediately respond to a Heatmap request for comment on its plans for the Hyperion project.
“Meta Superintelligence Labs will have industry-leading levels of compute and by far the greatest compute per researcher. I'm looking forward to working with the top researchers to advance the frontier!” Zuckerberg wrote.
“I believe the tariff on copper — we’re going to make it 50%.”
President Trump announced Tuesday during a cabinet meeting that he plans to impose a hefty tax on U.S. copper imports.
“I believe the tariff on copper — we’re going to make it 50%,” he told reporters.
Copper traders and producers have anticipated tariffs on copper since Trump announced in February that his administration would investigate the national security implications of copper imports, calling the metal an “essential material for national security, economic strength, and industrial resilience.”
Trump has already imposed tariffs for similarly strategically and economically important metals such as steel and aluminum. The process for imposing these tariffs under section 232 of the Trade Expansion Act of 1962 involves a finding by the Secretary of Commerce that the product being tariffed is essential to national security, and thus that the United States should be able to supply it on its own.
Copper has been referred to as the “metal of electrification” because of its centrality to a broad array of electrical technologies, including transmission lines, batteries, and electric motors. Electric vehicles contain around 180 pounds of copper on average. “Copper, scrap copper, and copper’s derivative products play a vital role in defense applications, infrastructure, and emerging technologies, including clean energy, electric vehicles, and advanced electronics,” the White House said in February.
Copper prices had risen around 25% this year through Monday. Prices for copper futures jumped by as much as 17% after the tariff announcement and are currently trading at around $5.50 a pound.
The tariffs, when implemented, could provide renewed impetus to expand copper mining in the United States. But tariffs can happen in a matter of months. A copper mine takes years to open — and that’s if investors decide to put the money toward the project in the first place. Congress took a swipe at the electric vehicle market in the U.S. last week, extinguishing subsidies for both consumers and manufacturers as part of the One Big Beautiful Bill Act. That will undoubtedly shrink domestic demand for EV inputs like copper, which could make investors nervous about sinking years and dollars into new or expanded copper mines.
Even if the Trump administration succeeds in its efforts to accelerate permitting for and construction of new copper mines, the copper will need to be smelted and refined before it can be used, and China dominates the copper smelting and refining industry.
The U.S. produced just over 1.1 million tons of copper in 2023, with 850,000 tons being mined from ore and the balance recycled from scrap, according to United States Geological Survey data. It imported almost 900,000 tons.
With the prospect of tariffs driving up prices for domestically mined ore, the immediate beneficiaries are those who already have mines. Shares in Freeport-McMoRan, which operates seven copper mines in Arizona and New Mexico, were up over 4.5% in afternoon trading Tuesday.