Oak Ridge Today

TVA asks customers to conserve power during high demand

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Photo courtesy Tennessee Valley Authority

The Tennessee Valley Authority said heavy snow and bitter cold temperatures are creating record-high demand for electricity across the Southeast.

“As a result, the Tennessee Valley Authority is asking customers to be aware of their power consumption, specifically between 6 a.m. and 10 a.m. (Central Time) on Wednesday,” a press release said.

“TVA is actively monitoring weather conditions, and our power system remains stable,” the press release said. “Conservation requests are often used in the power industry to help lower demand during a specific time and does not indicate TVA is experiencing emergency conditions. If you are experiencing an outage, please check with your local electric provider for more information.”

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Second day in a row of highest electricity demand since 2012

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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 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…]

Small nuclear reactors on Clinch River could power several cities the size of Oak Ridge

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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. (Photo by John Huotari/Oak Ridge Today)

 

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. They could also be, depending upon the timing, the first commercial reactors of their type in the United States.

They’re known as small modular reactors, or SMRs. They could generate 80 to 200 megawatts each. One hundred megawatts is enough to power about 60,000 homes. Oak Ridge has about 12,000 homes.

Several companies are working on SMR designs, but so far none have been certified by the U.S. Nuclear Regulatory Commission, said Jim Hopson, public relations manager for the Tennessee Valley Authority.

By May 12, TVA plans to submit an application to the NRC for what is known as an early site permit to build SMRs on the Clinch River Site in west Oak Ridge. Hopson likened an early site permit, or ESP, to a pre-approval for a home loan, although he said that is an oversimplification.

“It’s similar to pre-approving yourself for a loan,” Hopson said Friday. “You get the preliminaries out of the way.” [Read more…]

ORNL, DOE sites help power New Horizons’ journey to Pluto

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Pluto

This image of Pluto, taken by New Horizons after a 9.5-year journey, is our highest-resolution photo of the dwarf planet since its discovery by Clyde Tombaugh in 1930. (Photo courtesy of NASA via DOE)

 

By Matt Dozier

​NASA’s New Horizons spacecraft just accomplished one of the most exciting feats in the history of space exploration. After a 9.5-year, 3-billion-mile journey, the mission’s historic flyby of Pluto has provided us with our first-ever closeup views of the frozen world at the edge of the solar system. It’s a remarkable achievement, one that wouldn’t have been possible without careful planning, ingenuity—and a little help from the U.S. Department of Energy.

In 2006, when NASA engineers were designing New Horizons, they knew that it would need a long-lasting, compact and incredibly reliable power source to survive the cold, dark reaches of outer space.

Solar power was out of the question. The spacecraft’s itinerary would take it billions of miles from the center of the solar system into the realm of Pluto and the Kuiper Belt. That far out, the Sun shines with just a tiny fraction of the intensity we see here on Earth—scarcely brighter than the stars in the night sky. Other options like batteries or fuel cells wouldn’t last long enough. [Read more…]

ORNL scientists generate landmark DOE hydropower report

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2014 Hydropower Market Report Cover

The 2014 Hydropower Market Report provides comprehensive data and trends useful for industry and policymakers. (Submitted by ORNL)

 

For the first time, industry and policymakers have a comprehensive report detailing the U.S. hydropower fleet’s 2,198 plants that provide about 7 percent of the nation’s electricity.

The 98-page report by the U.S. Department of Energy’s Oak Ridge National Laboratory researchers Rocio Uria-Martinez, Patrick O’Connor, and Megan Johnson is a resource that describes key features of the nation’s hydro resources and systematically tracks trends that have influenced the industry in recent years.

“The people who make critical decisions about U.S. hydropower can now turn to one place to find information that has broad implications,” said Uria-Martinez, who noted that the existing fleet has been constructed over the course of an entire century. “Hydropower has a long history but also a promising future as it continues to grow and play a key role in the nation’s power system.”

People who access the report can easily search the database to make highly informed decisions that have a direct impact on the lives of potentially millions of people, Uria-Martinez said. [Read more…]

Electric, Public Works directors at Lunch with League on Tuesday

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Jack Suggs

Jack Suggs

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As we go about daily life in Oak Ridge, we don’t ordinarily think about where wastewater goes or where the electricity we use comes from. When the monthly utility bill arrives from the City of Oak Ridge, the cost of electricity, water, and sewer may surprise us and make us wonder about the cost and changes in rates.

Gary Cinder, director of Oak Ridge Public Works, and Jack Suggs, Oak Ridge Electric Department director, will be the guest speakers at Lunch with the League on Tuesday, February 3, and they will provide insights into their departments’ activities and responsibilities. The program will be held at noon Tuesday in the Social Hall of the Oak Ridge Unitarian Universalist Church’s new location at 809 Oak Ridge Turnpike. [Read more…]

TVA asks consumers to reduce electricity use; offers money-saving tips

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TVA LogoKNOXVILLE—The Tennessee Valley Authority is asking for a voluntary reduction in electricity use until Thursday afternoon because of frigid temperatures that are causing high demand across the Southeast.

The request extends to all electric power consumers—residential, commercial, and industrial customers.

The voluntary reduction will help ensure a continued supply of power to essential services throughout TVA’s seven-state service territory and avoid interruptions of service, a press release said. [Read more…]

Generator part weighing 200 tons shipped from Shawnee to Kingston

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TVA Generator Stator on Barge

A 200-ton stator, the stationary component of an electric generator, being shipped by barge from a TVA plant in Shawnee, Kentucky, to another one in Kingston, Tennessee. (Photos courtesy TVA)

 

Submitted

KINGSTON—The holiday tradition of gift giving came a bit early this year for the Tennessee Valley Authority’s Kingston Fossil Plant due to the generosity of a sister TVA plant in Shawnee, Kentucky. And, though it wasn’t Santa performing the delivery, the 200-ton generator stator made a significant journey involving the hard work of many.

During a maintenance outage at Kingston Unit 1, the existing stator—the stationary component of an electric generator—was determined to be beyond repair. Designed and built more than 50 years ago, modern replacement components aren’t available, so the Kingston team was looking at the possibility of a complete generator replacement.

When the TVA team at Shawnee heard about the challenges at Kingston, they realized they had the perfect “gift.” Unit 10 at the Shawnee plant was retired four years ago, but had the same Siemens-Westinghouse generator as Kingston, and it was still in operating condition. [Read more…]

NNSA dedicates nation’s largest federal wind farm

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Pantex Wind Farm

The National Nuclear Security Administration dedicated the nation’s largest federally owned wind farm on Tuesday at the Pantex Plant near Amarillo, Texas. The NNSA also oversees work at the Y-12 National Security Complex in Oak Ridge. (Photos courtesy NNSA)

 

Pantex wind farm complete

Retired Lt. Gen. Frank G. Klotz, the new administrator for the National Nuclear Security Administration, dedicated the nation’s largest federally owned wind farm Tuesday at the Pantex Plant near Amarillo, Texas.

Klotz, who is also the U.S. Department of Energy’s under secretary for nuclear security, was joined at the ceremony by Kevin Knobloch, DOE’s chief of staff; NNSA Production Office (NPO) Manager Steven Erhart; Siemens Government Technologies President and Chief Executive Officer Judy Marksl and Texas Tech University Associate Vice Chancellor Russell Thomasson.

The mission of the NPO is to ensure the safe, secure, and cost-effective operation of the Pantex Plant and the Y-12 National Security Complex in Oak Ridge.

The NNSA said Pantex will now be powered largely by the Pantex Renewable Energy Project, or PREP, an 11.5-megawatt, five-turbine wind farm that has been under construction since August on 1,500 acres of DOE-owned land adjacent to the Pantex Plant. [Read more…]

WYSH: Storm damage follow-up; EF0 tornado confirmed in Kingston

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Mike Marsh Home Storm Damage

One of several pictures showing the storm damage Tuesday to the home of Mike and Wanda Marsh on Timbercrest Drive in Oak Ridge. (Photo courtesy Mike Marsh)

 

Information from WYSH Radio

The National Weather Service has confirmed the powerful storms that rolled through the area on Tuesday included an embedded tornado in Kingston.

Officials with the NWS office in Morristown assessed the damage and said an EF-0 tornado touched down along 3rd Street in Kingston. The winds of an EF-0 tornado are around 65-85 miles per hour.

The NWS said the widespread damage throughout East Tennessee was almost entirely from straight-line winds and down-bursts. Kingston is the only site suspected of sustaining tornado damage.

The Weather Service says straight-line winds estimated at 80 mph packed a destructive punch in Clinton, which appeared to bear the brunt of the damage from Tuesday’s severe weather. [Read more…]

Oak Ridge: 4,000 lose power, 70 homes damaged

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Wadsworth Circle Home Tree

One of two trees that fell on a home on West Wadsworth Circle. The second tree, visible on the ground in the background, punched a hole in the roof and displaced a mother, grandmother, and two children.

 

Note: This story was last updated at 2:40 p.m.

Roughly 4,000 customers lost power in the Tuesday evening storm, and about 70 damaged homes will require repairs by an electrician before power can be restored, an Oak Ridge official said Wednesday morning.

Oak Ridge Electric Director Jack Suggs said he doesn’t recall ever having 70 homes damaged in one storm, although the Electric Department has experienced worse storms when many utility poles were broken. But the brief, fierce Tuesday storm, which brought severe winds and driving rain, was significant in terms of its damage to homes and its far-reaching nature, from Blair Road on the west end of town to east Oak Ridge and beyond—into Clinton and Anderson County, Suggs said.

“It was pretty widespread,” Suggs said.

Janet Bowker on Plymouth Circle and Storm Debris

Janet Bowker, left, walks through debris on Plymouth Circle in front of her home, where a tree fell into her bedroom during the Tuesday evening storm. Her home is at right but not visible in this picture. There were no injuries, but Bowker does not have power now.

 

The storm, which ripped through Oak Ridge at about 5:30 p.m. Tuesday, left a trail of debris: scattered branches and limbs, broken trees, fallen power lines, and damaged buildings and homes. It also triggered a flood of calls to the city’s 911 call dispatch center.

About 500 customers remained without power around noon Wednesday, including the 70 damaged homes. [Read more…]

Another 12 hours or so to restore power, Electric Department says

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Willow Run Fallen Tree

A giant tree fell at Willow Run Apartments in Clinton and wrecked the fence at the basketball and tennis courts. (Photo courtesy Jim Harris)

 

It could take another 12-13 hours to restore power across Oak Ridge after the severe Tuesday evening storms, the Oak Ridge Electric Department said on Twitter at roughly 9:30 p.m. Tuesday.

That would presumably mean that some customers might not have electricity restored until sometime Wednesday morning.

The Electric Department said the storms knocked down many trees and limbs. Crews have responded to fallen trees, power outages, dangling utility lines, and other problems across town since the short, fierce storm ripped through Oak Ridge and Anderson County at about 5:30 p.m. Tuesday. The Electric Department warned residents to stay away from power lines on the ground.

At about 10 p.m. Tuesday, Oak Ridge workers were out cutting up trees and restoring power on Jefferson Avenue.  A few miles away off Pennsylvania Avenue, Plymouth Circle was blocked to traffic, and it appeared that there was a utility line on the road blocked by orange traffic cones. [Read more…]