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For years, anti-renewable-energy advocates have opposed solar and wind projects on the grounds that they take up too much land. Now those talking points, popularized by groups linked to the fossil-fuel industry, have made their way into a sweeping new directive from the Trump administration.
On Aug. 1, Interior Secretary Doug Burgum mandated that federal leasing decisions factor in “capacity density” for solar and wind projects.
His order defines “capacity density” as the amount of electricity a proposed facility is expected to produce, as a share of the maximum “nameplate” amount, divided by the site’s total acres. An appendix to the order shows that nuclear and combined-cycle gas plants rank highest on this measure, while renewables come in last.
The Interior Department will now have to consider the density measure in environmental reviews. With that in mind, the order questions whether the law allows any federal land use for wind and solar projects, “given these projects’ encumbrance on other land uses, as well as their disproportionate land use.”
Only a small portion of solar and wind projects are located on areas owned and managed by the U.S. government, but there is vast potential for development. A January 2025 report from the National Renewable Energy Laboratory found that 1,300 gigawatts of solar and 60 GW of onshore wind could be cost-effectively built on public lands, and that significant deployment in those spaces would be needed to meet grid-decarbonization goals.
It’s unclear whether the order might also block some projects on private property if they require reviews under the National Environmental Policy Act.
The directive is yet another example of the Trump administration’s push to slow the development of solar and wind, which together with batteries will account for more than 90% of new utility-scale energy-capacity additions this year. But more broadly, it illustrates how the administration is elevating fossil-fuel-backed misinformation about land use into federal energy policy.
“This is the latest sign that the Trump administration is really just relying on political talking points to push back on renewable energy that have little or no basis in fact,” said Dave Anderson, policy and communications manager for the Energy and Policy Institute, a watchdog group that focuses on the fossil-fuel and utility industries.
Before “capacity density” became a factor in federal leasing decisions, anti-renewable-energy groups were using the argument to build local opposition to utility-scale clean-power projects across the country.
The battle over a now-approved solar project in central Ohio provides a case in point.
In November 2023, a group called Knox Smart Development held a town-hall meeting to stoke opposition to the proposed 120-megawatt Frasier agrivoltaics project.
Canary Media (then the Energy News Network) confirmed last year that one of the main funders of the group was Tom Rastin, former vice president of Ariel Corp., which makes compressors for the oil and gas industry. Rastin and his wife, Karen Buchwald Wright, who is the company’s board chair, also play large roles in The Empowerment Alliance, a pro-natural-gas group.
Steve Goreham, a policy advisor to conservative think tank The Heartland Institute, was one of the speakers at the 2023 event.
In addition to denying that climate change requires a shift away from fossil fuels, Goreham told people at the Knox County meeting that solar farms require much more land than nuclear, gas, and coal-fired power plants. He also focused on “power density” in a 2023 opinion piece for the conservative-leaning Western Journal, warning that “environmental devastation” will result from policies that aim to accomplish net-zero carbon emissions. Goreham repeated this land-use argument in a Real Clear Energy post in March.
A Heartland Institute policy brief released this spring also relied on information about the land areas needed for solar and wind energy to conclude that large-scale electricity production from those sources “requires substantial ecological damage and impact.” The institute’s funders have included Exxon Mobil, coal-mining company Murray Energy (now American Consolidated Natural Resources), and foundations supported by the Koch brothers.
Another speaker at Knox Smart Development’s town hall, a lobbyist named Mitch Given, had previously represented The Empowerment Alliance in a 2023 presentation to the Ohio legislature’s Business First Caucus. His slides on the “nonsense of turning corn fields into solar fields” compared 6,050 acres for an Ohio solar project to just 5 acres for a similar-sized combined-cycle gas power plant.
A 2024 rally against the Frasier agrivoltaics project then brought in Robert Bryce, a former Manhattan Institute fellow who spent an entire chapter of his 2010 book arguing that wind and solar energy are not green because of their land use and power density. The argument is also featured in an anti-solar video he released this month.
The Manhattan Institute has received funding from fossil-fuel interests, such as Exxon Mobil and organizations linked to the Koch brothers. The Checks and Balances Project, a pro-clean-energy watchdog group, has criticized Bryce multiple times for failing to disclose those links. Bryce did not respond to Canary Media’s request for comment for this story.
“Everybody needs to come to this debate with a full picture of who they’re talking to and why they’re saying what they’re saying,” said Ray Locker, executive director for the Checks and Balances Project. Companies in the fossil-fuel industry “have a vested interest in preserving their business,” so when they present renewable energy “as somehow dirty, then that furthers their interest.”
This month’s Interior Department order is not the only recent federal attack on clean energy based on the land-use argument. Last week, the U.S. Department of Agriculture Secretary Brooke Rollins said that the agency’s longstanding Rural Energy for America Program would no longer fund large solar projects on “prime farmland,” a major shift for a program whose main use case has been helping farmers install solar energy.
Burgum’s order to the Department of the Interior is “really implementing an ideological agenda,” said Brendan Pierpont, director of electricity modeling at think tank Energy Innovation. In his view, the mandate’s definition of capacity density is an “absurd metric,” with multiple flaws.
Among other things, the capacity-density measurement does not capture the full picture of what it takes to produce electricity from a fossil-fueled or nuclear power plant.
The metric focuses only on the step where electricity is generated. A full life-cycle analysis would consider all stages for producing equipment, obtaining and transporting fuel, and dealing with waste. The Interior Department’s recent order is “entirely designed to make these [renewable] resources they don’t like look bad,” Pierpont said.
The definition of capacity density also fails to account for the fact that renewable projects can coexist with other activities, such as livestock grazing or farming certain crops, noted Matthias Fripp, global policy research director at Energy Innovation.
Additionally, land used for solar or wind energy can produce electricity for decades, he said, unlike fossil fuels, where the industry must “keep finding new land” for resource extraction. Researchers made a similar point in a 2016 study in the peer-reviewed journal PLOS One, which found the land requirements for coal-fired electricity could equal or exceed those for renewable energy within two to 31 years.
Anderson at the Energy and Policy Institute called the rationale for the Interior Department’s order “a red-herring argument to focus on just one of the impacts of different energy sources.”
Nowhere does the order address environmental and health concerns about mining for coal or uranium, drilling for oil and gas, or transporting and burning those fuels. Waste disposal, particularly for coal and nuclear plants, also poses a challenge.
Renewables “are obviously leaps and bounds ahead of fossil fuels in terms of their net benefits,” Anderson said.
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