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Why the grid of the future might hinge on these 10 projects.
The energy transition happens one project at a time. Cutting carbon emissions is not simply a matter of shutting down coal plants or switching to electric cars. It calls for a vast number of individual construction projects to coalesce into a whole new energy system, one that can generate, transmit, and distribute new forms of clean power. Even with the right architecture of regulations and subsidies in place, each project must still conquer a series of obstacles that can require years of planning, fundraising, andcajoling, followed by exhaustive review before they can begin building, let alone operating.
These 10 projects represent the spectrum of solutions that could enable a transition to a carbon-free energy system. The list includes vastly scaled up versions of mature technologies like wind and solar power alongside the traditional energy infrastructure necessary to move that power around. Many of the most experimental or first-of-a-kind projects on this list are competing to play the role of “clean firm” power on the grid of the future. Form’s batteries, Fervo’s geothermal plants, NET Power’s natural gas with carbon capture, and TerraPower’s molten salt nuclear reactor could each — in theory — dispatch power when it’s needed and run for as long as necessary, unconstrained by the weather. Others, like Project Cypress, are geared at solving more distant problems, like cleaning up the legacy carbon in the atmosphere.
But they do not all have a clear path to success. Each one has already faced challenges, and many of them are likely to face a great number more. We call these the make-or-break energy projects because it's still unclear what the clean energy system of the future is going to look like, but the projects from this list are likely to play a big part in it — if, that is, they get there.
Heatmap Illustration/Getty Images
Type of project: Solar farm
Developer: Intersect Power
Location: Desert Center, Riverside County, California.
Size: 400 megawatts of generation and 650 megawatts of storage
Operation date: Possibly 2025
Cost: $990 million
Why it matters: Facing opposition from local retirees angered by the large number of projects popping up in the area, as well as from conservation-focused groups — such as Basin and Range Watch, which opposes many utility-scale energy projects in desert areas — Easley will be a test of whether California’s reforms to limit the timeframe of appeals to the state’s environmental reviews can actually work in getting a project approved and online faster.
The early signs are promising. A nearby solar project by the same developer, Intersect Power, recently went into operation after getting approved by the Bureau of Land Management in January 2022. Easley could be operational “as early as late 2025,” according to a Plan of Development prepared for Intersect Power.
Easley is also an example of what’s increasingly becoming standard in California, at both the residential and utility-scale level: pairing solar with storage. The California grid increasingly relies on batteries to keep the lights on as solar ramps up and down in the mornings and, especially, the evenings. The state has procured a massive amount of storage and has adjusted how utilities pay for rooftop solar in a way that encourages pairing battery systems with rooftop solar panels. This both stabilizes the grid and helps further decarbonize it, as batteries that are physically close to intermittent renewables are more likely to abate carbon emissions.
Heatmap Illustration/Form Energy
Type: Energy storage
Developer: Form Energy and Great River Energy
Location: Cambridge, Minnesota
Size: 150 megawatt hours
Operation date: End of 2025
Cost: Unknown; Goal of less than 1/10th cost of utility-scale lithium-ion batteries per megawatt hour
Why it matters: Form Energy first made waves in 2020 when it announced a contract with Great River Energy, a Minnesota electric utility, to build a battery that could store 100 hours’ worth of electricity, which was simply unheard of. Other energy storage companies were just trying to break the 4-hour limitation of lithium-ion, aiming for 8 hours or, at most, 12. Days-long energy storage would be a game changer for maintaining reliability during extreme weather events, storing renewable energy for stretches of cloudy days or windless nights or kicking in when demand peaks. At first, Form’s project was shrouded in mystery. How, exactly, would it do this? But a year later, the company revealed the secret chemistry behind its breakthrough: iron and oxygen. The batteries are filled with iron pellets that, when exposed to oxygen, rust, releasing electrons to the grid. They “charge” by running in reverse, using the electrical current from the grid to convert the rust back to iron.
Since then, the hype has continued to build. Form has raised nearly $1 billion from venture capital and been awarded tens of millions more ingovernment grants. It has signed contracts with six utilities to deploy projects in California, New York, Virginia, Georgia, and Colorado, in addition to Minnesota. All this, despite not having completed a single project yet.
The Great River Energy Project is set to be the first to come online. Originally, the company said it would be operating by the end of 2023; now it’s expected to start construction later this year and begin operating in early 2025, Vice President of Communications Sarah Bray told Heatmap. First, the company has to complete construction of its first factory in Weirton, West Virginia, where it will be producing all of the batteries. Bray said it expects to start high-volume production later this year.
Heatmap Illustration/Getty Images
Type: Onshore wind
Developer: Pattern Energy
Location: Lincoln, Torrance, and San Miguel Counties, New Mexico, with transmission into Arizona
Size: 3,500 megawatts
Operation date: 2026
Cost: The project’s developer, Pattern Energy, has secured $11 billion in financing for the wind and associated transmission project. The cost of the project is estimated to be $8 billion.
Why it matters: This would be the biggest wind project in the country and a test case for a variety of energy policy objectives at both the state and federal level. For California, it would be a key step in decarbonizing its grid, as the state right now imports a large amount of its power, not all of which is carbon-free. For the federal government, it meets several goals — using public lands for carbon-free energy development, plus long-distance transmission to spur energy development across the country and link clean power resources in rural areas to major load centers.
It would also mean an ambitious project could overcome long and concerted opposition. The project was first proposed in 2006, and its transmission line cleared environmental review back in 2015, but it has been mired in lawsuit after lawsuit. Most recently, a coalition of conservation groups and Indian tribes sued to halt construction on the power line portion of the project in Arizona’s San Pedro Valley, claiming that their cultural rights had not been adequately respected. In April, a judge allowed construction to continue, ruling that those claims were barred by the existing federal approvals, which had taken years to attain.
Heatmap Illustration/Getty Images
Type: Offshore wind
Developer: Equinor
Location: South of Long Island, New York
Size: 810 megawatts
Operation date: 2026
Cost: Not available, but an earlier estimate for developing two wind farms was $3 billion. Costs have since risen, but the second farm, Empire Wind 2, is no longer under contract.
Why it matters: The Northeast, and especially New York State, have aggressive aims for decarbonization, with a goal of 70% of the state’s electricity coming from renewables by 2030. The Biden administration also has a specific goal for 30 gigawatts of offshore wind capacity by 2030, and New York has a goal of 9 gigawatts by 2035. These types of high-capacity projects will be essential for the Northeast to decarbonize. The windy coast of the Atlantic Ocean is the most potent large-scale renewable resource in the region, and many of the region’s large load centers, such as New York City and Boston, are on the coast.
Offshore wind, while expensive, can present less permitting hassle and local opposition than onshore wind or utility-scale solar. Empire Wind 1 (along with Sunrise Wind) matters tremendously for New York’s offshore wind program, which has been in development for years but has faced escalating costs and project cancellations. Only one offshore wind project is actually operational in the state, South Fork Wind, which was contracted outside the NYSERDA process and has around 130 megawatts of capacity. If Empire manages to get steel in the water and electrons flowing to the coast, it will be a sign that the Northeast’s — and thus the country’s — decarbonization goals are at least somewhat attainable.
Heatmap Illustration/Getty Images
Type: Transmission
Developers: Transmission Developers, which is owned by the Blackstone Group
Size: 339 miles / 1,250 megawatts
Operation date: 2026
Cost: $6 billion
Why it matters: The Champlain Hudson Power Express, often referred to as CHPE (affectionately pronounced “chippy”) will deliver 1,250 megawatts of hydropower from Quebec into the New York City grid, which is currently about 90% powered by fossil fuels. It is “the most powerful project you’ll never see,” according to its developers, as it is the largest transmission line in the country to be installed entirely underground and underwater.
The project is essential to New York’s goal to build a zero-emission electricity system by 2040. The line will supply an always-available source of clean power to supplement intermittent wind and solar generation and maintain a reliable grid. It has already overcome a number of barriers, including nearly a decade of environmental reviews, uncertainty over whether New York would buy its power, and opposition from conservation advocates concerned about the negative impacts of hydroelectric dams on the environment and on Native communities in Canada.
When it begins operating, New Yorkers won’t just get cleaner power — they should also see air quality benefits almost immediately. The new line is expected to cut air pollution equivalent to that released by 15 of the city’s 16 fossil fuel-fired peaker plants.
Heatmap Illustration/Fervo
Developer: Fervo
Type: Geothermal
Location: Beaver County, Utah
Size: 400 megawatts
Operation date: 2026, although the project isn’t expected to be finished until 2028
Cost: Not disclosed, but Fervo raised $244 million and said that the cash “will support Fervo’s continued operations at Cape Station.”
Why it matters: This enhanced geothermal project is not the first one for Fervo. The company’s Nevada site, Project Red, began providing power for Google data centers in Nevada in November 2023. This planned site, however, will be far bigger: Fervo currently has authorization from the Bureau of Land Management for up to 29 exploratory wells, while the Project Red site had just two. Cape Station broke ground in September 2023, and in the first six months of drilling, Fervo said it reduced costs from drilling by 70% compared to its Project Red wells.
As the grid decarbonizes and major power consumers like technology companies insist on having clean power for their operations, there will be massive and growing demand for so-called “clean firm” power, carbon-free power that is available all the time. Conventional wind and solar is intermittent, and existing battery technology only allows for limited output over time. Fervo’s “enhanced geothermal” technology uses techniques borrowed from the oil and gas industry to be able to produce geothermal power essentially anywhere where there are hot enough rocks underneath the surface of the Earth, as opposed to conventional geothermal, which depends on locating hot enough fluid or stream.
If Fervo can demonstrate that it can produce power at scale at costs comparable to existing conventional geothermal projects, it can expect a massive market for it and demand for more projects.
Heatmap Illustration/TerraPower
Type: Nuclear
Developer: TerraPower
Location: Kemmerrer, Wyoming
Size: 345 megawatts
Operation date: Not available, but the company said in 2021 that it plans to be operational “in the next seven years.” Updated to the 2024 application, that would put it on track for a 2030 completion date.
Cost: Not available, but TerraPower has raised around $1 billion and the federal government has pledged around $2 billion to support the project, which TerraPower has said it will “match … dollar for dollar.”
Why it matters: TerraPower is just one of many companies flogging designs for advanced nuclear reactors, which are smaller and promise to be cheaper to build than America’s existing light-water nuclear reactor fleet. The construction permit application the company submitted in March was a first for a commercial advanced reactor. TerraPower matters as much for the Nuclear Regulatory Commission as it does for anyone else, as it’s a test of whether the NRC can meet Congress and the White House’s preference for a more accelerated approval process for advanced nuclear power.
TerraPower’s design, if successful, would be a landmark for the American nuclear industry. The reactor design calls for cooling with liquid sodium instead of the standard water-cooling of American nuclear plants. This technique promises eventual lower construction costs because it requires less pressure than water (meaning less need for expensive safety systems) and can also store heat, turning the reactor into both a generator and an energy storage system.
While there are a number of existing advanced nuclear designs, several of which involve liquid sodium, Natrium could potentially play well with a renewable-heavy grid by providing steady, unchanging output like a current nuclear reactor as well as discharging stored energy in response to renewables falling off the grid.
Heatmap Illustration/Hy Stor Energy
Type: Hydrogen
Developer:Hy Stor Energy
Location: Project components located throughout Mississippi, with some in Eastern Louisiana
Size: Goal of 340,000 metric tons per year (phase one)
Operation date: 2027
Cost: Initially reported as $3 billion; recently reported as more than $10 billion. (In response to an inquiry from Heatmap, the company replied that it “will be in the multiple billions of dollars.”
Why it matters: Truly carbon-free hydrogen could unlock big emissions reductions across the economy, from fertilizer production, to steelmaking, to marine shipping. But few companies are going to the lengths that Hy Stor is gto ensure its product is really clean. The company is building the first off-grid hydrogen production facility powered entirely by wind and solar. That means Hy Stor will have no problem claiming the new hydrogen production tax credit, which requires companies to match their operations with clean energy sources by the hour — a provision that’s been contested by large portions of the hydrogen industry.
For a company that has never built anything before, the scale of Hy Stor’s Mississippi project is ambitious. The company has acquired about 70,000 acres across Mississippi and Louisiana, along with 10 underground salt domes — mounds of salt buried beneath the Earth’s surface that can be dissolved to form cavernous, skyscraper-sized storage facilities for hydrogen. Those salt domes are the key to Hy Stor’s approach, and what enables the company to rely on intermittent renewables. By storing vast amounts of hydrogen, the company will be able to deliver a steady supply to customers and will also have a backup source of energy for its own operations when wind and solar are less available.
Chief Commercial Officer Claire Behar told Heatmap the company has obtained many of the necessary permits, including for its salt caverns and the plant’s water use. It plans to begin construction at the beginning of 2025, and to have the first phase of the project “in service at scale” by 2027. Hy Stor recently announced a deal to purchase its electrolyzers, devices that split water molecules into hydrogen and oxygen, from a Norwegian company called Nel Hydrogen. It has also signed up a few customers, including a local port and a green steel company.
Heatmap Illustration/Project Cypress
Type: Carbon removal
Developers: Climeworks, Heirloom, and Battelle
Location: Calcasieu Parish, Louisiana
Size: Goal of capturing 1 million metric tons per year
Operation date: About 2030
Cost: Total project cost unknown; eligible for up to $600 million from the Department of Energy for its Regional Direct Air Capture Hubs Program.
Why it matters: Project Cypress might be the most ambitious project to remove carbon from the atmosphere under development in the world. It is a collaboration by two leading direct air capture companies, Heirloom Carbon Technologies and Climeworks, which were among the first to demonstrate their ability to capture carbon directly from the air and store it at commercial scale. Now, the two will be attempting to scale up exponentially, from capturing a few thousands tons per year to a combined million.
Last August, the Department of Energy selected Project Cypress to be one of four direct air capture hubs it will support with $3.5 billion from the Bipartisan Infrastructure Law. In March, the project was awarded its first infusion of $50 million, but the developers will have to do extensive community engagement to continue receiving funding. Battelle, the project developer, told Heatmap the project has also received an additional $51 million in private investment.
Between financing, permitting challenges, renewable energy sourcing, and community opposition, the project is sure to face a bumpy road ahead. The project and its developers have no ties to the oil and gas industry, but that hasn’t done much to win over the support of environmental justice advocates, who see the project as a dangerous distraction from cutting emissions and pollution in Louisiana. But if Project Cypress is successful, it will show the world what direct air capture looks like at climate-relevant scales.
Heatmap Illustration/NET Power
Type: Carbon capture
Developer: NET Power
Location: Ector County, Texas
Size: 300 megawatts
Operation date: Late 2027 or early 2028
Cost: About$1 billion
Why it matters: Oil and gas CEOs love to say that the problem is not fossil fuels, the problem is emissions. NET Power’s technology — a natural gas power plant with zero emissions, carbon or otherwise — could prove to be the ultimate vindication of that statement. In short, NET Power’s system recycles most of the CO2 it produces and uses it to generate more energy. It also utilizes pure oxygen, unlike typical natural gas plants that take in regular air, which is mostly nitrogen. This means that any remaining CO2 not recycled in the plant is relatively pure and easy to capture.
NET Power opened a 50 megawatt demonstration plant in La Porte, Texas, in 2018, and is developing a 300 megawatt commercial plant in Ector County, Texas, in partnership with Occidental Petroleum, Baker Hughes, and Constellation Energy. On a recent earnings call, CEO Danny Rice said the project was “expected to have a lower levelized cost per kilowatt hour than new nuclear, new geothermal, and new hydro.”
The company generated a lot of excitement among energy experts in the fall of 2021 when it announced that its La Porte project had successfully delivered power to the Texas grid. It also raised a lot of money when it went public last summer. But things have been somewhat rocky since. During a December earnings call, NET Power’s president told investors that its first commercial plant would be delayed by at least a year due to supply chain challenges. According to filings with the Securities and Exchange Commission, the company also applied for funding from the Department of Energy’s Office of Clean Energy Demonstrations last year, but was not selected. It has not yet found any third parties to license its technology or offtakers to buy energy from the Ector County plant, and noted in its recent filings that while the La Porte pilot project delivered electricity to the grid, it did not, in fact, deliver “net” power — meaning that it used more power than it generated.
A spokesperson for the company told Heatmap the La Porte facility was solely intended to “prove the technical viability of the NET Power Cycle” and not intended to produce net power. So everything’s now riding on Project Permian.
Editor’s note: This story has been updated to correct a typographical error in the amount of private investment Project Cypress has received.
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Any EV is better for the planet than a gas-guzzler, but size still matters for energy use.
A few Super Bowls ago, when General Motors used its ad spots to pitch Americans on the idea of the GMC Hummer EV, it tried to flip the script on the stereotypes that had always dogged the gas-guzzling SUV. Yes, it implied, you can drive a military-derived menace to society and still do your part for the planet, as long as it’s electric.
You don’t hear much about the Hummer anymore — it didn’t sell especially well, and the Tesla Cybertruck came along to fill the tank niche in the electric car market. But the reasoning behind its launch endures. Any EV, even a monstrous one, is a good EV if it convinces somebody, somewhere, to give up gasoline.
This line of thinking isn’t wrong. A fully electric version of a big truck or SUV is far better, emissions-wise, than a gas-powered vehicle of equivalent size. It’s arguably superior to a smaller and efficient combustion car, too. A Ford F-150 Lightning, for example, scores nearly 70 in the Environmental Protection Agency’s miles per gallon equivalent metric, abbreviated MPGe, that’s meant to compare the energy consumption of EVs and other cars. That blows away the 20-some miles per gallon that the gas F-150 gets and even exceeds the 57 combined miles per gallon of the current Toyota Prius hybrid.
In terms of America’s EV adoption, then, we’ve come to see all EVs as being created equal. Yet our penchant for large EVs that aren’t particularly efficient at squeezing miles from their batteries will become a problem as more Americans go electric.
Big, heavy cars use more energy. This is how we worried about the greenness of cars back in the days before the EV: Needlessly enormous models such as the Ford Expedition and the Hummer H2 deserved to be shamed, while owning a fuel-sipping hybrid or a dinky subcompact was the height of virtue.
This logic has gotten a bit lost in the scale-up phase of electric vehicles going mainstream. We talk at length about EV sales and how fast their numbers are growing; we rarely talk about whether the EVs we buy are as energy-efficient as they could be. As a new white paper from the American Council for an Energy-Efficient Economy points out, though, getting more miles out of our EV batteries would save drivers money and reduce the strain on the grid that will come from millions of people charging their cars.
The simplest way to measure an EV’s fuel efficiency is to know how many miles it travels per kilowatt-hour of electricity. Popular crossovers like Tesla’s Model Y and Kia’s EV6 achieve a pretty-good 3.5 miles per kilowatt-hour. Look at bigger, heavier vehicles and you’ll see a major fall-off. InsideEVs found that Rivian’s R1S gets between 2.1 and 2.4 miles per kilowatt-hour. The hulking Hummer EV scores just 1.5, according to Motor Trend’s testing. The EPA’s MPGe data is another way to see the same story. The 60-some miles per gallon equivalent of an electric pickup like the Rivian R1T or Chevy Silverado EV crushes the mileage of petro trucks, but pales next to the 140-plus MPGe that an electric sedan from Hyundai or Lucid can claim. (Those EVs can deliver 4 or more miles per kilowatt-hour.)
Even modest gains in EV efficiency could cause beneficial ripple effects, the ACEEE says. Drivers who own a 3.5 miles per kilowatt-hour car would save hundreds of dollars on fuel annually compared to those whose vehicles get 2.5 miles per kilowatt-hour. More efficient cars should be less expensive, as well. Huge, inefficient EVs need to carry enormous batteries just to reach an adequate range, and the bigger the battery, the bigger the cost. Whereas a Model Y’s battery capacity ranges from 60 kilowatt-hours for standard range to 81 kilowatt-hours for long range, a Rivian’s runs from 92 to 141.5 kilowatt-hours. ACEEE calculates that the jump from 2.5 to 3.5 kilowatt-hours could shave nearly $5,000 from the cost of making a car because it would need so much less battery.
Making EVs more efficient would mean faster charging stops, too, since drivers wouldn’t need to cram so many kilowatt-hours into their batteries. It would ease demand for electricity, making it easier for the grid to keep pace with an electrifying society. But convincing Americans to buy smaller, more efficient vehicles has been an uphill battle for decades.
Earlier this summer, Ford CEO Jim Farley called for a return to smaller vehicles as more of the U.S. car fleet turns over to electric. Yet it was Ford that just a few years ago quit making cars altogether (outside of the Mustang) because it reaped so much more profit on the pricier crossovers, SUVs, and pickups that Americans have voted for with their wallets. And not long after Farley’s speech, the company scaled back its EV ambitions, clearly struggling to find a way to sell electric vehicles profitably.
The issue is not only carbuyers’ preference for big, heavy vehicles. ACEEE points out that public policy doesn’t punish big electric cars. “The EPA standard treats all EVs as having zero emissions. It therefore provides no incentive to improve EV efficiency since inefficient and efficient EVs are treated the same for compliance purposes,” the paper says.
That is why ACEEE floats the idea of a policy change. For example, its paper suggests the fees some states levy against EVs (ostensibly to make up for the lost revenue from those cars avoiding the gas tax) could be tweaked to charge more for inefficient EVs. Rebates for purchasing an EV could be changed in the same manner.
It was, after all, regulatory loopholes and misplaced incentives that helped big gas guzzlers conquer the roads in the first place. With better rules about big EVs, perhaps we could avoid repeating the mistakes of the past.
On new heat records, Trump’s sea level statements, and a super typhoon
Current conditions: Torrential rains flooded the streets of Milan, Italy • The U.K. recorded its coldest summer since 2015 • The temperature in Palm Springs, California, hit 121 degrees Fahrenheit yesterday.
Summer 2024 was officially the warmest on record in the Northern Hemisphere, according to new data from the EU’s Copernicus Climate Change Service. Between June and August, the average global temperature was 1.24 degrees Fahrenheit higher than the 1991-2020 average, beating out last summer’s record. August 2024 tied August 2023 for joint-hottest month ever recorded globally, with an average surface air temperature of 62.27 degrees Fahrenheit.
C3S
“During the past three months of 2024, the globe has experienced the hottest June and August, the hottest day on record, and the hottest boreal summer on record,” said Samantha Burgess, deputy director of C3S. “This string of record temperatures is increasing the likelihood of 2024 being the hottest year on record. The temperature-related extreme events witnessed this summer will only become more intense, with more devastating consequences for people and the planet unless we take urgent action to reduce greenhouse gas emissions.”
During a speech at the Economic Club of New York yesterday, former President Donald Trump said that because of climate change, “the ocean is going to go down 100th of an inch within the next 400 years,” and dismissed this as “not our problem.” This appears to be a warped variation of his repeated claim that “the ocean is going to rise one eighth of an inch over the next 400 years.” He’s said this many times, occasionally subbing in “200 to 300 years” for 400 years. Either way, he’s incorrect. “Trump’s numbers are orders of magnitude off the mark,” wrote Heatmap’s Jeva Lange in her epic historical fact check of Trump’s various climate statements. “The oceans are on track to rise 3.5 feet to 7 feet along America’s coastlines by 2100,” Lange said. Back in 2022, Michael Oppenheimer, director of the Center for Policy Research on Energy and the Environment at Princeton University, called Trump’s sea-level calculation “so far from accurate as to appear to have been entirely fabricated.”
The U.S. and China had “excellent discussions” during climate talks this week in Beijing, climate envoy John Podesta said today. The two nations came closer to being on the same page about climate finance and greenhouse gas emissions cuts. “Notwithstanding some friction in our bilateral relationship, we can find places to collaborate for the good of our people and the good of our climate,” Podesta said. As Bloombergnoted, this is likely the last opportunity for the world’s two biggest emitters to try to find common ground ahead of the U.S. presidential election and the COP29 climate summit in November.
Ford reported some interesting August sales figures yesterday. The company saw a 50% jump in hybrid sales last month compared to a year before, and a 29% rise in electric vehicle sales, with F-150 Lightning sales up 160% year over year. But internal combustion engine cars still made up 86% of total monthly sales. The automaker recently scrapped its plans to build a three-row EV crossover and instead plans to make that vehicle as a hybrid, and will double down on producing more hybrid models.
China evacuated 400,000 people from some of its southern provinces in anticipation of Super Typhoon Yagi. Schools are shut down, flights have been canceled, and Hong Kong’s stock market is closed. The storm struck the Philippines earlier this week but has doubled in strength since, and now packs wind speeds of about 140 miles per hour, giving it the power of a Category 4 hurricane. It made landfall on the popular tourist island of Hainan this morning and is expected to hit Guangdong, China's most populous province, before churning toward Vietnam’s historic Ha Long Bay. It is the strongest typhoon to strike China’s southern coast in 10 years, and according to NASA, it has been supercharged by unusually warm water in the Northwest Pacific Basin.
“Everybody’s getting drunk and having a good time: ‘Oh, look at the gift they brought us!’ But at night, they’re going to sneak out of that horse, and they’re going to leave an environmental disaster.” –A long-time resident of Superior, Arizona, ponders the promise and perils of mining the town’s copper deposits, one of the largest remaining in the world.
The raw material of America’s energy transition is poised for another boom.
In the town of Superior, Arizona, there is a hotel. In the hotel, there is a room. And in the room, there is a ghost.
Henry Muñoz’s father owned the building in the early 1980s, back when it was still a boarding house and the “Magma” in its name, Hotel Magma, referred to the copper mine up the hill. One night, a boarder from Nogales, Mexico, awoke to a phantom trying to pin her to the wall with the mattress; naturally, she demanded a new room. When Muñoz, then in his fearless early 20s, heard this story from his father, he became curious. Following his swing shift at the mine, Muñoz posted himself to the room with a case of beer and passed the hours until dawn drinking and waiting for the spirit to make itself known.
Muñoz didn’t see a ghost that night, but he has since become well acquainted with others in town. There is the Mexican bakery, which used to sell pink cookies but now opens only when the late owner’s granddaughter feels up to it. There’s the old Magma Club, its once-segregated swimming pool — available one day a week to Hispanics — long since filled in. Muñoz can still point out where all the former bars were on Main Street, the ones that drew crowds of carousing miners in the good years before copper prices plunged in 1981 and Magma boarded up and left town. Now their dusty windows are what give out-of-towners from nearby Phoenix reason to write off Superior as “dead.”
“What happens when a mine closes, the hardship that brings to people — today’s generation has never experienced that,” Muñoz told me.
Superior is home to about 2,400 people, less than half its population when the mine was booming. To tourists zipping past on U.S. 60 to visit the Wild West sites in the Superstition Mountains, it might look half a step away from becoming a ghost town, itself. As recently as 2018, pictures of Main Street were used as stock photos to illustrate things like “America’s worsening geographic inequality.”
But if you take the exit into town, it’s clear something in Superior is changing. The once-haunted boarding house has undergone a multi-million-dollar renovation into a boutique hotel, charging staycationers that make the hour drive south from Scottsdale $200 a night. Across the street, Bellas Cafe whips up terrific sandwiches in a gleaming, retro-chic kitchen. The Chamber of Commerce building, a little further down the block, has been painted an inviting shade of purple. And propped in the window of some of the storefronts with their lights on, you might even see a sign: WE SUPPORT RESOLUTION COPPER.
Resolution Copper’s offices are located in the former Magma Hospital, where Muñoz was born and where his mother died. People in hard hats and safety vests mill about the parking lot, miners without a mine, which is not an unusual sight in Superior these days — no copper has been sold out of the immediate area in over two decades. And yet just a nine-minute drive further up the hill and another 15-minute elevator ride down the deepest mine shaft in the country lies one of the world’s largest remaining copper deposits. It’s estimated to be 40 billion pounds, enough to meet a quarter of U.S. demand, according to the company’s analysis.
That’s “huge,” Adam Simon, an Earth and environmental sciences professor at the University of Michigan, told me, and not just in terms of sheer size.
“Copper is the most important metal for all technologies we think of as part of the energy transition: battery electric vehicles, grid-scale battery storage, wind turbines, solar panels,” Simon said. In May, he published a study with Lawrence Cathles, an Earth and atmospheric sciences researcher at Cornell University, which looked at 120 years of copper-mining data and found that just to meet the demands of “business as usual,” the world will need 115% more of the material between 2018 and 2050 than has been previously mined in all of human history, even with recycling rates taken into account.
Aluminum, used in high-voltage lines, is sometimes floated as a potential substitute, but it’s not as good of a conductor, and copper is almost always the preferred metal in batteries and electricity generation. Renewables are particularly copper-intensive; one offshore wind turbine can require up to 29 tons. What lies in the hills behind Superior, then, represents “millions of electric vehicles, millions of wind turbines, millions of solar panels. And it’s also lots of jobs, from top to bottom — jobs for people with bachelor’s degrees in engineering, mining, geology, and environmental science, all the way down to security officers and truck drivers,” Simon said. He added: “The world will need more copper year over year for both socioeconomic improvement in the Global South and also the energy transition, and neither of those can happen without increasing the amount of copper that we produce.”
Muñoz insisted to me that the promises of jobs and a robust local economy are a kind of Trojan horse. “Everybody’s getting drunk and having a good time: ‘Oh, look at the gift they brought us!’” he said of Superior’s support for Resolution Copper. “But at night, they’re going to sneak out of that horse, and they’re going to leave an environmental disaster.”
For now, though, the copper has just one catch: Resolution isn’t allowed to touch it.
If not for a painted sign declaring the ground HOLY LAND, there would be nothing visible to suggest the 16 oak-shaded tent sites over Resolution Copper’s ore body were anything particularly special. The Oak Flat campground is less than five miles past Superior, but at an elevation of nearly 4,000 feet, it can feel almost 10 degrees Fahrenheit cooler. On the late June day that I visited with Muñoz, Sylvia Delgado, and Orlando “Marro” Perea — the leaders of the Concerned Citizens and Retired Miners Coalition — the floor of the East Valley was 113 degrees Fahrenheit, and the altitude offered only limited relief.
Directly below us and to the east of the campground, beneath a bouldery, yucca-studded desert, lies the copper deposit. At 7,000 or so feet deep, extracting it would require an advanced mining process called block caving, in which ore is collected from below through what is essentially a controlled cave-in, like sand slipping through the neck of an hourglass.
Muñoz, a fifth-generation miner, prefers the metaphor of going to the dentist. “They drill out your tooth and refill it: that’s basically traditional cut-and-fill mining,” he told me. “Block cave, on the other hand, would be going to the dentist and having them pull out the whole molar. It just leaves a vacant hole.” In this case, the resulting cavity would be almost two miles wide and over 1,000 feet deep by the time the ore was exhausted sometime in the 2060s.
Even four decades is just a blink of an eye for Oak Flat, though, where human history goes back at least 1,500years; anthropologists say the mine’s sinkhole would swallow countless Indigenous burial locations and archeological sites, including petroglyphs depicting antlered animals that Muñoz and Perea showed me hidden deep in the rocks. Even more alarmingly, the subsidence would obliterate Chí'chil Biłdagoteel, the Western Apache’s name for the lands around Oak Flat, which are sacred to at least 10 federally recognized tribes. The members of the San Carlos Apache who are leading the opposition effort, and use the location for a four-day-long girlhood coming-of-age ceremony, say it is the only place where their prayers can reach the Creator directly.
Mining and Indigenous sovereignty have been at odds in Arizona for over a century. “The Apache is as near the lobo, or wolf of the country, as any human being can be to a beast,” The New York Times wrote in 1859, claiming the tribe was “the greatest obstacle to the operations of the mining companies” in the area. Three years later, the U.S. Army’s departmental commander ordered Apache men killed “wherever found,” the social archaeologist John Welch writes in his eye-opening historical survey of the region, in which he also advocates for using the term “genocide” to describe the government’s policies. That violence still casts a shadow in Superior: Apache Leap, an astonishing escarpment that looms over the town and backs up against Oak Flat, is named for a legend that cornered Apache warriors jumped to their deaths from its cliffs rather than surrender to the U.S. Cavalry.
As the Apache were being forced onto reservations and into residential boarding schools during the late 1890s, a treaty with the government set aside Oak Flat for protection. The land was later fortified against mining by President Dwight D. Eisenhower, with the federal protections reconfirmed by the Nixon administration in the 1960s. (The defunct Magma Mine that fueled the first copper boom in Superior is located just off this 760-acre “Oak Flat Withdrawal Area.”)
In 1995, the enormity of the Oak Flat ore body — and the billions it would be worth if it could be accessed — started to become apparent. The British and Australian mining companies Rio Tinto and BHP Billiton formed a U.S. subsidiary, Resolution Copper, which bought the old Magma mine and began to lobby Arizona politicians to sign over the neighboring parcel of Oak Flat. Between 2004 and 2013, lawmakers from the state introduced 11 different land transfer bills into Congress, none of which managed to earn broad support.
Then, in December 2014, President Barack Obama signed a must-pass defense spending bill. On page 1,103 was a midnight rider, inserted by Arizona Republican Senators John McCain and Jeff Flake, which authorized a land transfer of 2,400 acres of Tonto National Forest, including Oak Flat, to Resolution Copper in exchange for private land the company had bought in other parts of the state. (Flake previously worked as a paid lobbyist for a Rio Tinto uranium mine, and the company contributed to McCain’s 2014 Senate campaign.)
Heatmap Illustration / Esri, TomTom, Garmin, FAO, NOAA, USGS, © OpenStreetMap contributors, and the GIS User Community
The senators’ rider also included an odd little twist. While the National Environmental Policy Act requires the Forest Service to conduct an environmental impact statement for a potential mine, the bill stipulated that the land transfer to Resolution Copper had to be completed within a 60-day window of the final environmental impact statement’s release, regardless of what the FEIS found.
After six years of study, the FEIS was rushed to publication by President Donald Trump in the final five days of his term, triggering that 60-day countdown. President Biden rescinded Trump’s FEIS once he took office in 2021, pending further consultation with the tribes, but the clock will begin anew once a revised FEIS is released, potentially later this year. (The new FEIS was expected last summer, but the Forest Service has since reported there is no timeline for its release. The agency declined to comment to Heatmap for this story, citing ongoing litigation.)
A spokesperson for Resolution Copper told me that the company is “committed to being a good steward of the land, air, and water throughout the entirety of this project,” and described programs to restore the local ecology and preserve certain natural features, including Apache Leap. “At each step,” the spokesperson said, “we have taken great care to solicit and act upon the input of our Native American and other neighbors. We have made many changes to the project scope to accommodate those concerns and will continue those efforts over the life of the project.”
Meanwhile, Apache Stronghold — the San Carlos Apache-led religious nonprofit opposing the mine — filed a lawsuit to block the land transfer, arguing that the destruction of Oak Flat infringes on their First Amendment right to practice their religion. The lower courts haven’t agreed, citing a controversial 1988 decision against tribes who made a similar argument in defense of a sacred grove of trees in California. Apache Stronghold, joined by the religious liberty group Becket, is now asking the U.S. Supreme Court to hear its case, a decision that is expected any day now. Nearly everyone I spoke with for this story, however, was pessimistic that the Justices would agree to hear the battle over Oak Flat, meaning the lower court’s ruling against Apache Stronghold would stand.
If Mila Besich could have it her way, Biden would visit Superior. He’d marvel at Apache Leap and Picketpost Mountain, visit the impressive new Superior Enterprise Center — paid for partially with money from his 2021 American Rescue Plan Act — and maybe wrap up the day with a purple scoop of prickly pear ice cream from Felicia’s Ice Cream Shop. And, most importantly, he’d hear her pitch: that “Superior and the state of Arizona have a once-in-a-generation opportunity to be the leader in advancing your green energy strategy.” She says Superior — and America — needs this mine.
Superior is a blue town, and Besich, its mayor, is a Democrat, which means she has found herself in the awkward position of defending Resolution Copper against colleagues like Congressman Raúl Grijalva of Tucson and Senator Bernie Sanders of Vermont, who have introduced unsuccessful bills in Congress to prevent the land transfer. There is something of a bitter irony, too, in seeing her party tout the economic upsides of the energy transition while standing in the way of Superior’s mine, which would employ an average of 1,434 workers per year and add over $1 billion annually to Arizona’s economy during its lifespan, according to the FEIS.
“Every mayor wants more jobs in their community,” Besich told me simply. But, she also pointed out, “Copper is critical to the green economy, so if we want the green economy, we should want to be mining American copper.”
Superior, of course, isn’t just any town. “Everybody here either worked in the mines or had family that worked in the mines,” James Schenck, a former employee of Resolution Copper who supports the mine and serves as the treasurer for Rebuild Superior, a nonprofit working to diversify the local economy, told me. “They understand the downsides, and some of them, for a while, were having a hard time understanding how this is different than what went on before.”
Though everyone seems to be on cordial terms — at one point during my visit, I was having lunch with Muñoz and Delgado when Besich walked in, and everyone smiled politely at one another — there are still clear factions. A Facebook group for locals warns against “posts concerning DRAMA, POLITICS, RELIGION, and MINING,” presumably the same topics to be avoided at family Thanksgivings.
The critical mineral experts I talked to for this story, though, said Schenck is largely right on that point. “Mining in 2024 is radically different than mining in 1954 or in 1904,” Simon told me. “It is really surgical.”
Muñoz is one of those in town who still isn’t buying it, and has converted his garage into an interpretive center for exposing the perceived infiltrators. As soft classic rock played over the speakers and a fan whirred to keep us cool, he showed me the 3D model he had commissioned of the Oak Flat sinkhole, with a miniature Eiffel Tower subsumed in its crater for scale. Laid out on a table on the other side of the room was a row of six dictionary-thick, spiral-bound sections of the FEIS, their most pertinent sections bookmarked. On the walls, Muñoz had hung pictures of comparable tailings sites in other parts of the world — cautionary tales of the hazards posed during the long lifespan of mines. (Including the water demands, no small concern in a place like Arizona, which opens a whole other can of worms).
“I use my experience to educate the people,” Muñoz said. “This isn’t what it’s made out to be. They’re going to play you.”
Muñoz was employed at the Magma Copper mine until 1982, when he was 27. “One day they said, ‘We’re shutting down.’ They folded up just like a carnival does on Monday morning,” he recalled. The abrupt departure devastated Superior: In These Timesdescribed the following years as an “economic cataclysm” for the town. By 1989, the median household income was just $16,118 compared to $36,806 in Queen Creek, the nearest Phoenix suburb just a 45-minute drive away.
“I witnessed grown men cry,” Muñoz said. “Men who’d been in the mines pretty close to 30 years — they never knew nothing else.” His father, the former boarding house owner, was among them: “He had limited writing abilities and what have you. He was 58. People lost their homes here. They lost their cars. There were divorces. Some people committed suicide. The drinking, the drugs. It was a bad time.”
Muñoz went on food stamps and unemployment. “This generation that is coming up, they’ve never experienced that,” he said. “They’ve never experienced a repossession note in the mail from the bank. They’ve never experienced a disconnection notice hanging from your front door knob. And they’ve never experienced calling up the utilities and saying, ‘Hey, can you wait until Friday when my unemployment check comes in?’”
Superior’s story isn’t unique; Arizona’s Copper Triangle is a constellation of hollowed-out company towns. Like many other out-of-work Magma miners, Muñoz eventually found a job at San Manuel, a BHP-owned block cave mine about an hour south of Superior. Then, in 1999, copper prices stuttered again, and by 2003, it shut down, too.
Muñoz had just returned from a car show in San Manuel when we met in his garage, and he reported it was still a sorry sight. “The main grocery store is closed, the Subway, all the buildings are boarded up, and the schools are shut down,” he said. The mine “just abandoned that town.”
Even as Muñoz and the Concerned Citizens and Retired Miners Coalition work with Apache Stronghold and national environmentalist groups like HECHO, the Sierra Club, and the National Wildlife Federation try to block Resolution Copper’s mine, there is a distinct feeling in Superior of its inevitability. Schenck, the treasurer for Rebuild Superior, told me he suspects just “10% or 15%” of people in town are “against the project.”
“My personal belief is this copper deposit is going to be developed at some point,” Schenck said. “It’s too important.”
Besich, the mayor, gave this impression too. “What people need to understand is, this ore body is not going anywhere,” she said. “Someone will mine it in the future.” She views Superior and the copper industry as partners in an “arranged marriage,” and her job as mayor is helping them “figure out how to get along.”
From the outside, though, Resolution Copper looks more like a sugar daddy. To date, Rio Tinto and BHP have spent more than $2 billion combined pursuing the Oak Flat mine, including pumping money into the Chamber of Commerce building, the Enterprise Center, and the fire department. When the town of Kearny, downstream of the mine’s proposed tailings site, needed a new ambulance, Resolution Copper offered to help foot the bill. Local high schoolers and tribal members can even apply for Resolution Copper scholarships.
Critics say Resolution Copper is buying political and social influence in the Copper Corridor, a modern-day iteration of the propaganda tactics that swept aside the Apache in the late 1800s. Rio Tinto and BHP “remain committed to influencing U.S. government decisions about the use of public lands and minerals, regardless of additional harms to those lands, to Native Americans, or to National Register historic sites and sacred places,” the archaeologist Welch wrote in his Oak Flat study.
Rio Tinto is infamous even in the mining industry for its poor history of handling community- and heritage-related concerns. To pick a recent example, the company drew international condemnation for its 2020 destruction of the Juukan Gorge cave in Western Australia, a sacred site to the Aboriginal people that had evidence of continuous human occupation going back to the Ice Age. Though Rio Tinto had the legal right to destroy the 45,000-year-old caves, “it is hard to believe community engagement is being taken seriously” by the company, Glynn Cochrane, a former Rio Tinto senior advisor, said in a testimony in the aftermath. Archaeologists and sympathetic politicians have warned that the cultural and spiritual loss caused by mining Oak Flat would be like a second Juukan Gorge.
The San Carlos Apache are not a monolith, however, and the community has differing beliefs about the cultural importance of Oak Flat. Tribal members who support the mine or work for Resolution Copper are often cited by non-Native supporters as proof of Apache Stronghold’s supposedly arbitrary defense of Oak Flat. (Apache Stronghold, which is on a prayer journey to petition the Supreme Court, did not return Heatmap’s request for comment.)
Muñoz and his team are specifically worried about how Superior, the town, will make out. U.S. copper smelters are already at capacity, meaning Resolution Copper would likely send much if not all of the raw copper extracted at Oak Flat to China for processing. (Rio Tinto’s largest shareholder is the Aluminum Corporation of China.) The spokesperson for Resolution Copper told me that it’s the company’s priority to process the ore domestically, and Rio Tinto does have its own facility in the U.S., the Kennecott copper smelting facility in Utah. Yet it hasn’t committed publicly to processing the Arizona ore there, and it’s far from clear that it even has the capacity to do so.
For Simon, the University of Michigan professor, that shouldn’t be a deterrent: “If we mine more copper here and it just means we have to export it — who cares?” he pushed back. “If it has to go to China and they smelt it, then you send it to China and they smelt it. Climate is the prize, and if we want to mitigate our impact, we’ve got to do it. There are no ifs, ands, or buts.”
Oak Flat is also located outside of Superior’s town limits, meaning the community would only recoup about $500,000 in tax revenue, on the high end, from the mine annually, according to the 2021 FEIS — Schenek told me the town’s budget is around $3 million, so it’s hardly insignificant, though it is peanuts compared to the $38 million the state would reap. The FEIS additionally estimated that only about a quarter of the mine’s eventual employees would actually “seek to live in or near Superior;” many would choose instead to commute the hour or so from Phoenix’s Maricopa County.
Because of technological advances in mining and robotics, the mine also won’t bring back the physical jobs locals remember from the 1970s — by Resolution Copper’s own admission. Besich, at least, isn’t bothered by this detail: “In all reality, I don’t see my children and their peers wanting to do the manual physical labor that my grandfather, my father, and certainly my great-grandfather did,” she told me. “So the change in technique is good, and I think that it’s actually better for the environment in the long term.” She added that Resolution Copper’s investment in things like local infrastructure and worker training programs will compensate for the comparably insignificant tax revenue the town will otherwise receive, ensuring Superior gets a fair cut of the bonanza.
What supporters and opponents of the mine can agree on is that Superior must avoid the devastation of the 1980s if or when the Oak Flat mine is exhausted in 40 or more years. Besich and Schenck told me their vision is for Superior to be a town with a mine, not a mining town. But is such a thing even possible? In recent years, Superior has tried to position itself as an outdoor recreation gateway to the many climbing routes and hiking trails in the area. Yet I struggle to imagine anyone would want to vacation or recreate so close to a massive mining operation.
Muñoz believes Superior should throw itself entirely into tourism, which brings in three times as much revenue as the copper industry in Arizona. He dismissed arguments that losing the mine this far into negotiations and preparations would set the town back two decades, telling me about a conversation he had with Vicky Peacey, the president of Resolution Copper. “She said, ‘How do I tell my 300-plus employees that they don’t have a job?’” he recalled. “I said, ‘The same way BHP told the 3,300 in San Manuel they didn’t have a job. Magma Copper didn’t have a problem telling us we didn’t have a job in ‘82.”
Whatever gets decided about Oak Flat will reverberate far beyond Superior, though. “We’ve got to keep our eyes on the prize,” Simon told me. “And if the prize is mitigating human impacts on climate, and that requires the energy transition, and that requires copper, and we have a potential mine in Arizona that would provide 500,000 tons of copper every year for decades — we need to do that.”
At the end of my day in Superior, I went with Muñoz and Delgado, another former miner, to visit the haunted boarding house.
The renovated interior was surprisingly beautiful, decorated with period-appropriate details like iron bed frames, clawfoot bathtubs, and lace curtains that softened the harshness of the mid-afternoon light. Though even the FEIS warns that “mining in Arizona has followed a ‘boom and bust’ cycle, which potentially leads to great economic uncertainty,” it was with a pang that I imagined the building one day falling back into disrepair. It, and the town, had survived too much.
After peeking into Room 103, where Muñoz had passed his tipsy night all those decades ago, we asked the friendly woman working the front desk if she’d had any supernatural experiences herself — surely she’d seen the mattress-flipping phantom, or swinging chandeliers, or perhaps a white-boot miner who’d come down from the hills?
To our disappointment, she shook her head. For now, whatever ghosts there once might have been in Superior had gone.
Editor’s note: This story has been updated to include comment from Resolution Copper.