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Power to TRISO at Horizon could cost $13 million

Posted at 4:08 pm January 2, 2023
By John Huotari 2 Comments

This map shows the potential route of 69-kilovolt overhead power lines for the TRISO-X nuclear fuel facility at Horizon Center in west Oak Ridge, starting at the substation (SUB) on the south side of Highway 95/58 (lower right), continuing up Novus Drive (center right), crossing onto Horizon Center land, and then running east (to the right) on the back side of Site 6 (open area at upper right).

Building a new substation and electrical lines to supply power to a nuclear fuel company could cost $13 million, Oak Ridge officials said in December.

The nuclear fuel company, TRISO-X, needs about 32 to 35 megawatts of electricity at Horizon Center in west Oak Ridge. That would make the company the city’s biggest electrical customer. (Oak Ridge National Laboratory and Y-12 National Security Complex get most of their power directly from Tennessee Valley Authority.)

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Filed Under: Business, Government, Government, Oak Ridge, Oak Ridge, Premium Content, Roane County, Roane County, Slider Tagged With: Ardo Ba, Black Oak Ridge Conservation Easement, Charlie Hensley, City of Oak Ridge, David Wilson, Derrick Hammond, DOE, electric substation, electrical lines, electrical project, electrical supply, Ellen Smith, HALEU, high-assay low-enriched uranium, Horizon Center, IDB, Jack Suggs, Jim Dodson, Novus Drive, nuclear fuel, Oak Ridge City Council, Oak Ridge Electric Department, Oak Ridge Industrial Development Board, Patterson and Dewar Engineers, power poles, power supply, Richard Chinn, substation, Tennessee Valley Authority, TRISO-X, TVA, U.S. Department of Energy, X-energy

TVA reviewing mandatory power outages

Posted at 11:01 am December 30, 2022
By John Huotari Leave a Comment

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.”

[Read more…]

Filed Under: Federal, Front Page News, Government, Government, Slider, Weather Tagged With: cold weather, power outage, Tennessee Valley Authority, TVA

TVA: Power supply set record Friday

Posted at 9:26 am December 24, 2022
By John Huotari Leave a Comment

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.”

[Read more…]

Filed Under: Federal, Front Page News, Government, Government, Slider, Top Stories Tagged With: Don Moul, power, power demand, Tennessee Valley Authority, TVA

Updated: TVA ends rolling blackouts

Posted at 7:32 am December 24, 2022
By John Huotari Leave a Comment

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.

[Read more…]

Filed Under: Federal, Government, Oak Ridge, Top Stories, Weather Tagged With: blackouts, City of Oak Ridge, Don Moul, extreme weather, power outages, rolling blackouts, Tennessee Valley Authority, TVA

Updated: TVA ends blackouts in Oak Ridge

Posted at 11:51 am December 23, 2022
By Oak Ridge Today Staff Leave a Comment

Note: This story was updated at 3 p.m.

The Tennessee Valley Authority has terminated rolling blackouts in Oak Ridge.

“Everything is now going back to normal,” City of Oak Ridge spokesperson Lauren Gray said.

The mandatory rolling blackouts that affected electricity across the region and in the City of Oak Ridge were to help TVA meet the power demand today (Friday, December 23), a press release said.

The blackouts were expected to affect about 2 percent of Oak Ridge Electric Department customers and last for about 30 minutes, the press release said. The blackouts were expected across the Tennessee Valley.

They were being conducted because of the low temperatures and to meet high power demand, according to the press release, which came from the City of Oak Ridge.

Information was not available about which 2 percent of customers were affected, although there were measures in place to ensure hospitals, fire departments, and other similar operations are not without power, Gray said.

[Read more…]

Filed Under: Federal, Government, Oak Ridge Tagged With: blackouts, Lauren Gray, Oak Ridge, Oak Ridge Electric Department, rolling blackouts, Tennessee Valley Authority, TVA, TVA blackouts

IDB endorses overhead power lines for Horizon Center project

Posted at 9:28 pm December 7, 2022
By John Huotari Leave a Comment

An Oak Ridge board on Monday endorsed overhead power lines and an alternate route to provide electricity to a nuclear fuel company, TRISO-X, at Horizon Center. The company’s site is pictured above on Wednesday, Dec. 7, 2022. (Photo by John Huotari/Oak Ridge Today)

An Oak Ridge board on Monday endorsed overhead power lines and an alternate route that could be less controversial to provide electricity to a nuclear fuel company at Horizon Center.

Environmental advocates, ecologists, and trail users had objected to an earlier proposal to run overhead power lines along a U.S. Department of Energy patrol road on the back side of Horizon Center. Among other objections, those lines would have been relatively close to the Black Oak Ridge Conservation Easement, and opponents said the power lines would have decreased the area’s recreational value.

The rest of this story is available if you are a member: a subscriber, advertiser, or contributor to Oak Ridge Today.

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Filed Under: Business, Front Page News, Government, Oak Ridge, Oak Ridge, Premium Content Tagged With: 69-kilovolt overhead lines, Black Oak Ridge Conservation Easement, David Wilson, DOE, HALEU, high-assay low-enriched uranium, Horizon Center, IDB, Kathryn Huff, Mark Watson, Oak Ridge Industrial Development Board, overhead power lines, Tennessee Valley Authority, TRISO, TRISO-X, TVA, U.S. Department of Energy, X-energy

SMRs, other nuclear reactors possible at Clinch River site

Posted at 5:30 pm November 27, 2022
By John Huotari Leave a Comment

Small modular reactors and other types of new nuclear reactors could be considered for power generation at the Clinch River Nuclear Site in west Oak Ridge.

The Tennessee Valley Authority announced its preferred alternative for the 935-acre site in the Federal Register in October.

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Filed Under: Federal, Front Page News, Government, Government, Premium Content, Slider, Top Stories Tagged With: BWRX-300, Clinch River Nuclear Site, environmental impact statement, Federal Register, GE Hitachi, GE Hitachi Nuclear Energy, Jim Hopson, nuclear reactor, record of decision, small modular reactors, SMR, Tennessee Valley Authority, TVA, U.S. Nuclear Regulatory Commission

TVA has virtual open house for Clinch River Nuclear Site

Posted at 1:41 pm March 10, 2022
By Oak Ridge Today Staff Leave a Comment

Clinch-River-Site-Bear-Creek-Road-Entrance-March-27-2016
The small nuclear reactors that could be built along the Clinch River could provide enough electricity to power several cities the size of Oak Ridge. The Bear Creek Road entrance to the Clinch River Site, where the reactors could be built by the Tennessee Valley Authority, is pictured above on Sunday, March 27, 2016. (File photo by John Huotari/Oak Ridge Today)

The Tennessee Valley Authority will have a virtual open house for the Clinch River Nuclear Site in west Oak Ridge this evening (Thursday, March 10).

The open house follows the release of a draft environmental impact statement (EIS) for the 935-acre site in the Roane County portion of Oak Ridge, south of Heritage Center (the former K-25 site) near the Clinch River.

The draft EIS assesses the potential environmental effects associated with possibly having nuclear reactors at the site, a press release said.

“The proposed facility aligns with TVA’s 2050 target of achieving net-zero carbon emissions and drive to a carbon-free future,” the press release said.

[Read more…]

Filed Under: Federal, Government, Government, Slider Tagged With: Clinch River Nuclear Site, environmental impact statement, nuclear reactor, small modular nuclear reactor, Tennessee Valley Authority, TVA

Second day in a row of highest electricity demand since 2012

Posted at 2:36 pm July 30, 2021
By John Huotari Leave a Comment

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

The Tennessee Valley Authority has had its two highest days of electricity demand in nine years, since 2012, on Wednesday and Thursday.

Thursday’s preliminary peak power demand was 30,340 megawatts at 6 p.m. Eastern time at a regional average temperature of 92 degree Fahrenheit, TVA said.

Wednesday and Thursday were the highest peak demands since July 26, 2012, TVA said.

The public utility said it plans for situations like this heat wave and tries to provide constant power.

[Read more…]

Filed Under: Front Page News, Government, Top Stories Tagged With: electricity, electricity demand, heat wave, peak power demand, Tennessee Valley Authority, TVA

Kairos Power, TVA to collaborate on low-power demonstration reactor

Posted at 10:50 am May 6, 2021
By John Huotari Leave a Comment

An aerial view of the K-33 site at Heritage Center, the former K-25 site, in west Oak Ridge. (Photo courtesy TVA)

The Tennessee Valley Authority and Kairos Power plan to collaborate on setting up a low-power demonstration reactor at the East Tennessee Technology Park, the former K-25 site in west Oak Ridge.

As part of this agreement, TVA said in a press release Thursday that itwill provide engineering, operations, and licensing support to help Kairos Power deploy the reactor, named Hermes.

“Teamwork is the hallmark of the nuclear industry and, through this partnership with Kairos Power, we can share TVA’s safety and innovation insights to advance nuclear technology while gaining experience with licensing for advanced reactors,” said TVA President and Chief Executive Officer Jeff Lyash. “Nuclear power is the key to fueling our economy with reliable, affordable, and clean electricity, and it is critical to our national security.”

[Read more…]

Filed Under: Business, Business, Federal, Front Page News, Government, Oak Ridge, Slider, Top Stories Tagged With: East Tennessee Technology Park, fluoride salt-cooled high-temperature reactor, Hermes, Jeff Lyash, K-25 site, Kairos Power, low-power demonstration reactor, Mike Laufer, Tennessee Valley Authority, TVA

TVA to temporarily lower Melton Hill Reservoir

Posted at 9:22 am March 18, 2021
By Oak Ridge Today Staff Leave a Comment

The Tennessee Valley Authority will temporarily lower Melton Hill Reservoir two to four feet to help property owners with their annual spring-cleaning activities, a press release said.

From Saturday, March 20, through Saturday, March 28, TVA will hold the reservoir between 790 and 792 feet to support dock repairs, shoreline stabilization, and litter pick up, the press release said.

TVA will return Melton Hill to its normal winter elevation of 794 feet by April 1.

[Read more…]

Filed Under: Federal, Front Page News, Government, Recreation, Sports Tagged With: Melton Hill Reservoir, shoreline maintenance, Tennessee Valley Authority, TVA

TVA conducting maintenance at Bull Run

Posted at 4:13 pm February 22, 2021
By John Huotari Leave a Comment

The Tennessee Valley Authority’s Bull Run Fossil Plant is pictured above in Claxton on Monday, Aug. 27, 2018. (File photo by John Huotari/Oak Ridge Today)

The Tennessee Valley Authority is conducting routine maintenance inside the boiler at the Bull Run Fossil Plant in Claxton, and the activities, which make use of the plant’s public address system, might continue for the next week or so, a spokesman said Monday.

During the maintenance, TVA is using small blasting caps to remove the buildup of slag, a byproduct at the coal-fired plant.

Residents in Anderson County have been asking about the recent sounds of sirens at Bull Run, including at night.

In a statement, TVA spokesperson Scott Brooks said TVA is using the plant’s public address system to alert and communicate with employees on site, but no sirens or other alarms are activated.

[Read more…]

Filed Under: Federal, Front Page News, Government, Government, Slider Tagged With: Bull Run Fossil Plant, Tennessee Valley Authority, TVA

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Classifieds

Public Notice: NNSA announces no significant impact of Y-12 Development Organization operations at Horizon Center

AVAILABILITY OF THE FINAL ENVIRONMENTAL ASSESSMENT FOR THE OFFSITE HOUSING OF THE Y-12 DEVELOPMENT … [Read More...]

ADFAC seeks contractors for five homes

Aid to Distressed Families of Appalachian Counties (ADFAC) is a non-profit community based agency, … [Read More...]

Public notice: Draft environmental assessment for Y-12 Development Organization at Horizon Center

AVAILABILITY OF THE DRAFT ENVIRONMENTAL ASSESSMENT FOR THE OFFSITE HOUSING OF THE Y-12 DEVELOPMENT … [Read More...]

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