Oak Ridge Today

TVA retires Bull Run Fossil Plant

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An aerial view of the Bull Run Fossil Plant in Claxton is pictured above. (Photo courtesy Tennessee Valley Authority)

The Tennessee Valley Authority has retired the Bull Run Fossil Plant in Claxton.

The plant burned the last of its onsite coal onsite in August, ending a 48-day run. TVA retired the plant December 1.

The TVA Board of Directors approved the retirement of Bull Run on February 14, 2019. That followed an environmental review process that included public input, TVA said.

Bull Run began operating in 1967. At the time it was the largest in the world in the volume of steam produced, according to TVA. Located on 750 acres in Claxton across from Oak Ridge, it was the only single-unit power plant in the TVA system, and it was designed to produce up to 950 megawatts. It has an 800-foot reinforced concrete chimney.

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Hike with ranger, learn about pre-war settlements

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Submitted photo

You can learn about settlements in the area before Oak Ridge was built during World War II during a hike with a national park ranger on Saturday, November 25.

The hike is organized by the National Park Service. Oak Ridge is part of the Manhattan Project National Historical Park, which commemorates the top-secret federal program to build the world’s first atomic bombs during the second world war. Besides Oak Ridge, the national park includes Hanford, Washington, and Los Alamos, New Mexico.

The hike on the North Boundary Greenway is scheduled to begin at 1 p.m. Saturday, November 25, at the east quarry trail head.

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DOE asks for public comment about ETTP groundwater decision

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The U.S. Department of Energy has asked for public comment about a proposed plan to reduce groundwater contamination in the main plant area of East Tennessee Technology Park, the former K-25 site in west Oak Ridge.

Comments are for an interim record of decision. There will be a public meeting Tuesday evening in Oak Ridge.

“The proposed plan identifies enhanced in situ bioremediation (EISB) as DOE’s preferred alternative to remediate six specific areas of groundwater in the main plant area of the East Tennessee Technology Park,” DOE said in a public notice distributed by the Tennessee Department of Environment and Conservation. “EISB is a method that involves using microorganisms to reduce contamination levels in these specific areas of groundwater. For these six areas, workers have excavated, or will excavate, the primary sources of contamination, as specified in the Record of Decision for Soil, Buried Waste, and Subsurface Structure Actions in Zone 2, East Tennessee Technology Park, Oak Ridge, Tennessee (DOE/OR/01-2161&D2).

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NRC accepting comments on environmental review for nuclear fuel facility

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TRISO-X has proposed a nuclear fuel fabrication facility on 110 acres at Horizon Center in west Oak Ridge. (Photo from TRISO-X environmental report to U.S. Nuclear Regulatory Commission)

The U.S. Nuclear Regulatory Commission will have a public meeting in Oak Ridge next week to accept public comments about the environmental review for a proposed nuclear fuel facility at Horizon Center.

It would be the first manufacturing facility of its type in the United States. It has been proposed by TRISO-X, which wants to manufacture coated particle uranium fuel for new types of nuclear reactors—advanced and small modular reactors. The fuel could power reactors for electrical and chemical use, the U.S. Department of Defense, and the National Aeronautics and Space Administration (NASA).

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President appoints ORNL researcher to National Science Board

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Image courtesy Oak Ridge National Laboratory

Note: This story was updated at 2 p.m. Jan. 22.

President Joe Biden will appoint Merlin Theodore of Oak Ridge National Laboratory to the National Science Board, the White House said in an announcement last week.

Theodore is the first full-time researcher from a national laboratory to serve on the National Science Board, the governing board for the National Science Foundation, according to ORNL.

“Merlin’s appointment to the National Science Board is indicative of her accomplishments as a researcher, her contributions to national missions, and her advocacy for women and minorities in science,” said interim ORNL Director Jeff Smith.

Theodore is one of eight new board members. The National Science Board is made up of 25 members appointed by the president, and they serve six-year terms.

The National Science Board pursues the goals and function of the NSF, including the duty to “recommend and encourage the pursuit of national policies for the promotion of research and education in science and engineering,” according to the White House news release.

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Railroad could jeopardize airport

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If not removed, this section of railroad tracks at Heritage Center, the former K-25 site, would be a “deal-killer” for the proposed Oak Ridge Airport because the runway would be built in this area but could not be with the railroad tracks there. This is looking east across the main entrance to Heritage Center on Wednesday, Jan. 18, 2023. (Photo by John Huotari/Oak Ridge Today)

Railroad tracks at Heritage Center, the former K-25 site, have emerged as a potential “deal-killer” for the proposed Oak Ridge Airport.

On Tuesday, Oak Ridge city leaders said a new company in west Oak Ridge might want to use the rail line to ship materials, but the tracks run through and roughly perpendicular to where the airport runway would be. Officials had expected the rail line, which had been “very inactive,” to be transferred.

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Lawsuit seeks 2020 election audit, voting machine restriction

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The Howard H. Baker Jr. United States Courthouse is pictured above in Knoxville on Jan. 19, 2020. (File photo by John Huotari/Oak Ridge Today)

An unconventional 483-page lawsuit filed in Anderson County Circuit Court seeks an audit of the 2020 election, asks for the results to be re-counted and possibly decertified, accuses federal legislators of treason, and demands a restraining order against electronic voting machines.

Two of the three plaintiffs who filed the lawsuit are Oak Ridge residents. One of those plaintiffs has also unsuccessfully filed federal lawsuits in Washington, D.C., against the president and vice president, chief justice, a former acting attorney general, and many members of Congress, according to court records.

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Cold, powerful magnet will help control hot plasma in fusion reactor

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A team at ITER, an international experimental fusion reactor in southern France, prepare on Feb. 10, 2022, to move one of six modules for a central solenoid, a powerful superconducting magnet being built by General Atomics in California under the management of Oak Ridge National Laboratory. (Photo used with permission. © ITER Organization, http://www.iter.org/)

A magnet so powerful it could lift an aircraft carrier six feet into the air was designed in a project managed by Oak Ridge National Laboratory. It will be used in an international experimental reactor in southern France to produce energy using fusion, the same process used by the sun and other stars to create heat and light. If successful, the reactor could revolutionize energy production, potentially showing how to provide a nearly limitless energy supply without planet-warming carbon dioxide emissions or long-lived radioactive wastes.

Six modules for the reactor’s central superconducting magnet, plus a spare, are being made by General Atomics in Poway, California. Two of the modules have already been shipped to France. Two more are completed, with one of those expected to ship this year. The remaining three are more than 60% complete, and manufacturing should be done this year, said John Smith, General Atomics senior director of engineering and projects. 

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Learn Oak Ridge history at Jackson Square on Saturday

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A historical photo of Jackson Square in Oak Ridge. (Photo credit: U.S. Department of Energy/Ed Westcott)

You can learn about Oak Ridge history at Jackson Square on Saturday.

The free program is scheduled to begin at 1 p.m. Saturday, January 14. It is organized by the Manhattan Project National Historical Park.

“Join a park ranger for a walk through Jackson Square,” the National Park Service said.

The program will begin in the upper parking lot of Jackson Square in front of the fountain.

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TVA reviewing mandatory power outages

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Tennessee Valley Authority offices are pictured above in June 2021. (Photo by John Huotari/Oak Ridge Today)

The Tennessee Valley Authority on Wednesday said it takes “full responsibility” for the impact of the first-ever mandatory power outages during the cold weather on Friday and Saturday last week, and it is reviewing what happened.

“We at TVA take full responsibility for the impact we had on our customers,” the electrical provider said in a press release posted on its website. “We never want to impact anyone’s energy at any time. This is not the way we want to serve our communities and customers.

“We are conducting a thorough review of what occurred and why. We are committed to sharing these lessons learned and—more importantly—the corrective actions we take in the weeks ahead to ensure we are prepared to manage significant events in the future.”

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TVA: Power supply set record Friday

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The Tennessee Valley Authority’s Bull Run Fossil Plant is pictured above at the Clinch River in Claxton on Thursday, Dec. 22, 2022. (Photo by John Huotari/Oak Ridge Today)

The Tennessee Valley Authority said it delivered a record amount of power on Friday and set a winter record for peak power demand.

TVA supplied 740 gigawatt-hours, or 740 million kilowatt-hours, during a 24-hour period on Friday, December 23. That’s more energy supplied than at any other time in its 89-year history, TVA said.

The cold also produced a winter record for peak power demand of 33,425 megawatts at 7 p.m. Central time, when the region-wide average temperature was 9 degrees, TVA said.

“Record-setting temperatures across the region continue to put intense pressure on the power system,” TVA said in a press release. “The Tennessee Valley Authority and local power companies (worked) around the clock in difficult conditions to meet this extreme demand.”

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Updated: TVA ends rolling blackouts

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Note: This story was last updated at 12 p.m.

Mandatory rolling power blackouts continued in Oak Ridge and across the region Saturday morning. The City of Oak Ridge announced at about 11:40 a.m. Saturday that the power outages had been terminated.

Here is the previous story:

The blackouts will affect 10 percent of customers at a time, and power outages will last about 30 minutes, the City of Oak Ridge said in a press release. That’s a larger percentage of customers who will be affected by the Saturday outages than the ones on Friday, when about 2 percent of Oak Ridge customers were affected.

The Tennessee Valley Authority, which provides power to the City of Oak Ridge, said the blackouts are necessary because of the extreme weather conditions, according to the press release. The power demand is high as temperatures have dropped into the single digits in what has been called a “once-in-a-generation” storm.

TVA said the power demand is among its highest in its nearly 90-year history. Typical power demands for December are around 24,000 megawatts. On Friday, power demands surpassed 33,000 megawatts, TVA said.

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