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One of Wyoming’s largest coal mines just unlocked more than 14 million tons of federal coal in the Powder River Basin, a little more than half the volume the mine produces in a year, according to the company.

The Office of Surface Mining Reclamation and Enforcement approved the West Antelope II South Tract Mining Plan Modification last week under the direction of the Trump administration, which is “delivering on its promise to revitalize American coal and unleash our nation’s energy potential,” Secretary of the Interior Doug Burgum said in a prepared statement. 

The newly accessible 14.5 million tons of coal will allow the Antelope mine to continue its progression westward toward Highway 59 in Converse County. The mine, operated by Navajo Transitional Energy Company, produces 20-25 million tons of coal annually and employs about 400 miners, according to the company. It’s the third-largest coal mine in the nation in terms of production, federal records show.

The action is in line with President Donald Trump’s executive orders to “reinvigorate” the U.S. coal industry, according to administration officials. “As global instability continues to threaten energy markets, the need for reliable, domestic coal has never been clearer,” Acting Assistant Secretary for Land and Mineral Management Adam Suess said in a prepared statement. “This action underscores our commitment to commonsense permitting, environmental stewardship and energy dominance.” 

This map depicts the location of the West Antelope South federal coal mine lease in Converse County. (Interior Department)

In addition to unlocking a backlog of federal coal mining plans, the Big Beautiful Bill helps the industry, administration officials say, by lowering its federal mineral royalty from 12.5% to 7% — an estimated $50 million annual revenue loss to the state of Wyoming. Generally, federal mineral royalties are split 50-50 between the feds and the government of the state in which the mineral production took place, but state lawmakers have asked that Wyoming receive a larger slice of that pie given the projected revenue loss.

More coal leasing to come

The Antelope mine expansion technically could have been approved under the Biden administration’s ban on new federal coal leasing in the Powder River Basin because the mine had already obtained the coal lease and its proposed mining plan was initiated before the 2024 “no future coal leasing” plan for the region, according to industry officials. But action on the new mining plan had basically stalled out under the previous administration, according to Wyoming Mining Association Executive Director Travis Deti.

A surface coal mine in the southern Powder River Basin. (Alan Nash)

“This particular [Antelope mine lease action] has been pending with the Office of Surface Mining for some time,” Deti told WyoFile via email. “While it technically could have happened under Biden, the agency basically stopped all work on program amendments during his term. Language passed in the Big Beautiful Bill directs the Secretary of the Interior to expedite existing leasing action, and so it’s refreshing to finally see some movement.”

Gov. Mark Gordon hailed the Trump administration for taking action on a coal mining plan that lingered under Biden, and said he eagerly awaits approval of another stalled plan in southwest Wyoming.

“While this announcement is a positive step forward, we are also keenly aware of a pending decision on the Black Butte Mine expansion in Sweetwater County, which was also halted by the previous administration,” Gordon said in a prepared statement.

The Interior on Monday launched a 10-day public comment period for Black Butte’s proposed “mining plan modification,” which would tap an additional 9.2 million tons of federal coal. A public meeting will be held virtually from 5:30 p.m. to 7:30 p.m. on Aug. 18. Visit this federal website and click on the Black Butte tab for more information about the meeting and how to submit a comment. 

Meantime, the U.S. Bureau of Land Management plans to amend resource management plans for its Buffalo and Miles City, Montana, field offices to undo Biden’s leasing ban in the Powder River Basin, which spans northeast Wyoming and southern Montana, and to “identify areas that may be suitable for future coal leasing.”

Wyoming coal production has ticked up slightly so far this year after dipping below 200 million tons last year for the first time in decades, according to federal data.

Dustin Bleizeffer covers energy and climate at WyoFile. He has worked as a coal miner, an oilfield mechanic, and for 26 years as a statewide reporter and editor primarily covering the energy industry in...

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  1. “Revitalizing America’s Coal” looks a lot more like sacrificing Wyoming’s resources to satisfy the nation’s appetite.

  2. Well, it looks as if Santa will be able to fill his sleigh with some affordable domestically produced goodies this Christmas after all— Nothing but dead needles under the tree— but plenty of rocks for the socks. Hope that the jolly old elf remembers to give Uncle Johnny, Cindy Loo, and Auntie Harriet each an extra lump or two… Can’t think of anyone more deserving than those three this year…

  3. Vampire coal mines This feels like watching old black and white B-movies. The soundtrack is in mono. Crummy actors, lousy script.

    Meanwhile, the sun is shining brightly , the wind blowing steady. Surround sound and bright colors abound. Much better storyline.

  4. “This action underscores our commitment to commonsense permitting, environmental stewardship and energy dominance.”
    And leaves Wyoming with the waste, ugly view shed, cleanup and pollution – and very little of the proceeds.

    1. But, just think how proud trumples must feel. Forward to the past…and extinction of life on this worn-out planet.

  5. Slashing the federal royalty rate from 12.5% to 7% is a huge deal for Wyoming. In normal times our leaders would be up in arms. Just one more sad, underhanded, example of privatizing public resources to benefit the few. Coal and other federal resources belong to all of us, should be taxed and we deserve a better return than 7%.

    1. The change in the percentage going to the State should be the headline. More money for the federal government and less for Wyoming. Right?