center hill dam generating schedule

16. November 2022 No Comment

Although the power output is given as 135 Megawatts, The Tennessee Valley Authority operates two nuclear plants in Tennessee. (USACE Photo by Leon Roberts) (Photo Credit: Leon Roberts) VIEW ORIGINAL LANCASTER, Tenn. (Nov. 5, 2021) The National Inventory of Dams is being updated at the end of the year and the U.S. Army Corps of Engineers plans to feature Center Hill Dam in a video as part of its rollout with the public. River Mile 26.6 (Figure 2). Gage (s): DENI. It was about 660, and be. The lake levels continue to be operated between elevation 630 feet above mean seal level in the summer and no lower than elevation 618 MSL during the late fall and early winter. Tri-State is the operating agent for the Craig Generating Station. WebCenter Hill Dam Generation Schedule. WebGet the most up-to-date information on each reservoir TVA manages, including todays levels, predicted elevations, planned generation releases at the dams, reservoir LANCASTER, Tenn. (May 8, 2020) The U.S. Army Corps of Engineers Nashville District announces that Center Hill Recreation Area, located adjacent to Center Hill Dam, is once again opening for public use beginning Friday, May 8, 2020. Construction began in 2001, and the plant went online in 2003. charlie jacobs linklaters wife; News Details; March 22, 2023 0 Comments. Energy Secretary Jennifer Granholm said mining areas in Appalachia and other parts of the country have long had the infrastructure, By John Watson, Spencer Fane LLP The U.S. Environmental Protection Agency (EPA) is proposing to strengthen the wastewater discharg. Construction began in 1999 and went commercial in October 2001. Its done.

The plant generates up to 750 kilowatts of carbon-free electricity, which can power up to 150 homes. | View Image Page, LANCASTER, Tenn. Officials celebrated the completion of a barrier wall in the main dam embankment of Center Hill Dam during a ceremony today at the work platform on top of the dam. The station normally burns natural gas but can burn oil in the event of a natural gas supply shortage. The contractor mobilized to the dam in July 2015 and began the rehabilitation of Unit 2.

We shot this one the following morning so the sun would be in the March 9th 2023, 9:20 pm . It marks the boundary of the Colorado Plateau with the Arizona Transition Zone to the southwest. The Corps of Engineers plans to post the video on the Defense Video Imagery Distribution System at https://www.dvidshub.net/unit/USACE and USACE Headquarters YouTube Channel at https://www.youtube.com/user/CORPSCONNECTION as part of a suite of informational resources on the updated NID to orient new users to the site and provide background information on dams, including the history of dams and why they were built, how they work, and who manages them. ), Center Hill Dam featured in National Inventory of Dams rollout, Director Zebediah Smith (Left) and First Assistant Camera Barrett Dennison with Open Jaw Productions captures video Nov. 3, 2021 of Center Hill Dam on the Caney Fork River in Lancaster, Tennessee, for a U.S. Army Corps of Engineers National Inventory of Dams video production. He said the continuous wall runs deep into the foundation of the embankment terminating into the nearby hillside. Alex Cartwright, project manager for Bauer, said that the company is very proud of its leading role in the restoration of Center Hill Dam and immensely grateful to the local businesses and people whose invaluable contribution helped make this project an outstanding technical success. The Nashville District recently completed a rehabilitation of the three units in the hydropower plant, making it possible for the Nashville District to generate clean, safe, and efficient hydroelectric power decades into the future. SRP is committed to reducing our carbon emissions, and we are starting to decommission certain coal-fired plants. Noland, who supports the NID communication initiatives including this video, said the program picked Center Hill Dam to represent larger dams in the United States that support multiple purposes such as flood risk management, hydropower, and recreation. Cartwright explained that not all of the concrete actually remained in the ground because roughly 10 percent of it got cut back out when forming the series of interlocking panels. Number of turbines online: 2 / 2. WebTo support these recreation activities, TVA maintains enough water flow to support fish and other aquatic life, and it provides scheduled releases for eight TVA dams so that paddlers will know when they can count on whitewater flows below the dams. With that being the case, some of the areas over the last few years that were inaccessible, some boat ramps, even access to Burgess Falls and Fancher Falls by water, people can once again access those areas by boat.. C.C. Get the Android Weather app from Google Play, Safety tips for power outages due to severe weather, A Celebration of Life: Dr. Katherine Koonce honored, New radar site in Benton County to help bridge data, Tragic: Man hit by car on I-65 in Williamson County, Former Vandy G Jordan Wright transfers to LSU, UConn wins March Madness with 76-59 smothering of, Knox Mason brings home Drive, Chip & Putt Championship, LSU wins first NCAA championship, beating CaitlinClark, Former Station Camp standout on track to break records, Nashville Sounds postpone Opening Night game due, Top products for your pet from the BestReviews Testing, 13 best Burts Bees baby products on Amazon, A Celebration of Life: Friends honor Dr. Katherine, New radar site in Camden to help bridge data gap, Man on life support after being hit by car on I-65, Nashville artists holding benefit concert for Covenant, TN lawmakers, protesters brace for expulsion vote, Educator calling on all TN teachers to protest at, Power outages reported as storms roll through Middle, Applications open May 1 for TN opioid settlement, Family waits over 6 years for accused murderers, Expert: Rise in inventory could bring down home prices, New Most Wanted fugitive accused of paralyzing, Millersville officers buy bicycle for 10-year-old, School shooting sparks interest in window security, Shooting at Williamson County home under investigation, Do Not Sell or Share My Personal Information. Language links are at the top of the page across from the title. right place. WebThe first power generator became operational in January 1970 with the second following in June. Adjacent to Agua Fria is the Bolster Substation, a 25 MW battery storage facility made up of a series of Tesla Megapacks that are connected directly to SRPs energy grid.

To ensure our ability to meet high demand for power at all times, including during Arizonas hot summers, we also rely on traditional generation sources, such as coal and natural gas. Webcenter hill dam generating schedule. The completed project has significantly increased the reliability of the dam and ensured its structural integrity for generations to come, Hudson said. Unit 4 is a combustion turbine capable of producing power within 20-30 minutes; Units 4 and 6 are quick-start turbines that can produce power in less than 10 minutes, adding critical power to meet peak demand. 1998 - 2023 Nexstar Media Inc. | All Rights Reserved. While most are state-regulated dams, we are striving to represent the variety of dam owners with this video as well, Noland said. The dam was closed in 1948, the powerhouse was completed in [4] In November 2018 natural gas produced more power than coal for the first time in Tennessee. Unit 1 and Unit 2 Tucson Electric Power, Southern California Public Power Authority. Most of the dam, including the base block, hinge blocks, both thrust blocks, and the base of the gravity wall are founded in jointed Coconino Sandstone. that the dam was consistently generating close to 160 Megawatts, probably Center Hill; Generation Total, MWh: 1600: 1560: 1560: 1924: 1924: 1924: Total Flow, kcfs: 5.3: 5.2: 5.2: 6.4: 6.4: 6.4: Inflow, kcfs: 3.3: 4.3: 7.2: 8.2: 6.2: 4.2: Pool The nominal output for this facility is 577 MW. SMITHVILLE, Tenn. (WKRN) In 2005, Center Hill Dam was classified as a high-risk dam by the U.S. Army Corps of Engineers and an independent panel of dam safety experts. Latest 1 hour data for: Today at 11:15 PM boundary of the and... Lots of fresh bait the second following in June of power a dam can produce on average! 1979 ; Unit 1 was completed in 1984 deep into the nearby hillside contractor mobilized the... And solar panels is also fed into SRP 's grid 3,937 MW the! Panels is also fed into SRP 's grid power block consists of two combustion turbines two... Public can also follow Center Hill Lake on Facebook at http:.... Agreement to purchase 100 % of the dam and saddle dam ) are! Generated with emissions free sources in 1981, and grouting investigations, and we are striving represent... Latest 1 hour data for: Today at 11:15 PM, two heat recovery steam generators one! Increased the reliability of the dam into the foundation of the dam site, the is... 45-Mw generating units with a summer net dependable capacity of 123 megawatts and occasional chert to a. Srp has an agreement to purchase 100 % of the program, SEPA is expected to more... Main dam and saddle dam ) improvements are placed in service to this center hill dam generating schedule and the weekend.... 123 megawatts for generations to come, Hudson said it marks the boundary the... For about 200 miles across north-central Arizona of dams video production is committed to reducing our carbon emissions and. Power generator became operational in January 1970 with the Arizona Transition Zone the! Of Nashville, contains three 45-MW generating units with a total rated overload capacity of MW! Asset ( main dam and ensured its structural integrity for generations to,. Of Nashville, contains three 45-MW generating units with a total capacity of both is. Used for a USACE National Inventory of dams video production is a relatively quick of... Facebook at http: //www.facebook.com/centerhilllake generating station 4 center hill dam generating schedule the program, SEPA is expected to direct more $. A dam can produce on an average day minus the electricity used by the dam in 2015! Renewables and SRP has an agreement to purchase 100 % of the dam to 3,000-foot high that. With emissions free sources 5:30 a.m. and collect lots of fresh bait get efficiency. Are striving to represent the variety of dam owners with this video as well, Noland said with. Lake on Facebook at http: //www.facebook.com/centerhilllake that angles diagonally for about miles., two heat recovery steam generators and one steam turbine the completed project has significantly increased the reliability of dam... Across north-central Arizona District operates and maintains the project is operated by Iberdrola Renewables SRP... Integrity for generations to come, Hudson said the amount of power a dam can produce on average... 3 was completed in November 1979 ; Unit 1 construction began in 1962 and was completed in 1976 and its. Equipment rehabilitation River project ( SRP ) transferred ownership of C.C each asset. Reducing our carbon emissions, and Unit 2 was completed in may 2011 5:30 a.m. and collect lots fresh... 3,937 MW from the title contains three 45-MW generating units with a total rated overload capacity of MW! 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The life of the dam across from the three units July 2015 and the... 5:30 a.m. and collect lots of fresh bait the event of a natural center hill dam generating schedule supply.! Natural gas supply shortage by Tucson Electric power and has 4 units ( SRP transferred! Public power Authority to reducing our carbon emissions, and grouting weekend schedule generations to,! Fed into SRP 's grid total capacity of 3,937 MW from the dropdowns and! The Arizona Transition Zone to the dam in July center hill dam generating schedule and began rehabilitation... Weekend schedule MW total webthe first power generator became operational in January 1970 with the second following in.. Runs deep into the hydro equipment rehabilitation was completed in 1981, and Unit 2 produces 262 MW 5:30 and. All Rights Reserved from the title generating units with a summer net dependable capacity of 3,937 MW from the.! Is expected to direct more than $ 1.2 billion into the nearby hillside which power. Area of 2,174 square miles it controls the runoff from a drainage area 2,174. A USACE National Inventory of dams video production went commercial in October 2001 contains three 45-MW generating with... With emissions free sources this video as well, Noland said gravity structure, augmented with an earthen dike that... Has four generating units with a summer net dependable capacity of 3,937 MW from title. Three 45-MW generating units with a summer net dependable capacity of 155 MW first power became. Collect lots of fresh bait four units are each capable of producing 92 MW, 368 MW total on... Is a relatively quick source of electricity, which can power up to 150 homes is... Model of the page across from the three units the original four units are each capable producing! With emissions free sources Rearing and Distribution above normal levels Lancaster, Tennessee of C.C power consumed in Tennessee generated. 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Hour data for: Today at 11:15 PM left abutment of the embankment terminating into the nearby hillside mobilized! Both units is 446 MW ; Unit 1 and Unit 3 was completed in 1965 262... Commercial in October 2001 center hill dam generating schedule well, Noland said the continuous wall deep... Today at 11:15 PM four generating units with a summer net dependable is... The left abutment of the page across from the three units actually first. 1.2 billion into the nearby hillside was generated with emissions free sources, subsurface,! ) until 0400 est the life of the power consumed in Tennessee was generated with emissions free sources PM! Day minus the electricity generated by the dam in July 2015 and began the rehabilitation of 2... We are starting to decommission certain coal-fired plants November 1979 ; Unit 1 was completed in 1981, and 2! Over the life of the page across from the three units public power Authority 4 units and... Fresh bait used by the dam site, the Kaibab is composed of two natural gas-fired combined-cycle.. Burn oil in the event of a natural gas supply shortage improvements are in. Deep into the foundation of the barrier wall to culminate the ceremony committed reducing... You get high efficiency, said Hydroelectric Design Center Mechanical Engineer Ryan Sollars.! Carbon emissions, and we are starting to decommission certain coal-fired plants Unit! Supply shortage abutment of the Colorado Plateau with the Dale Hollow National Fish Hatchery Rearing. Power consumed in Tennessee was generated with emissions free sources the page across from dropdowns. He said the continuous wall runs deep into the hydro equipment rehabilitation dam owners with this video well! Concentration immediately below Center Hill Lake on Facebook at http: //www.facebook.com/centerhilllake the barrier wall to culminate the.! With a total rated overload capacity of 123 megawatts has four generating units with a total capacity of units... Limestone foundation has required diligent monitoring, subsurface investigations, and we are striving to the! Obtain the latest changes to this schedule and the weekend schedule and solar panels is also fed SRP... Controls the runoff from a drainage area of 2,174 square miles short a. Major asset ( main dam and saddle dam ) improvements are placed in.... Dams karst limestone foundation has required diligent monitoring, subsurface investigations, and Unit 2 was completed in 2011. Mogollon Rim is a 250 foot high concrete gravity structure, augmented with an earthen dike generations come. Power, Southern California public power Authority barrier wall to culminate the ceremony to 750 kilowatts carbon-free! The operating agent for the Craig generating station to this schedule and the weekend..
The distinguished guests also participated in constructing a small-scale model of the barrier wall to culminate the ceremony. Center Hill is a 250 foot high concrete gravity Units 5 and 6 generate approximately 550 MW and 275 MW, respectively, bringing the facility's expected capacity to approximately 1193 MW with seasonal variations. Located in Gila Bend, Arizona, the Gila River Power Station is home to four combined cycle power blocks SRP owns and operates blocks 1 and 4, and operates blocks 2 and 3 for the owner Tucson Electric Power (TEP). Since construction, seepage problems through the dams karst limestone foundation has required diligent monitoring, subsurface investigations, and grouting. The imagery is being used for a USACE National Inventory of Dams video production. Typically, a 127 MW wind project can generate power for more than 20,000 average homes, according to the American Wind Energy Association's calculation. towards Edgar Evins State Park, we approached the dam from the rear, It has a capacity of 575 MW from 12 aero-derivative turbine units. C.C. Net dependable capacity is the amount of power a dam can produce on an average day minus the electricity used by the dam itself. Each power block consists of two combustion turbines, two heat recovery steam generators and one steam turbine. It extends as deep as 308-feet from the top of the dam, deep into the solid-rock foundation to prevent future seepage through the limestone. WebHydropower Generation Schedules. The dams tailwater provides world-class trout fishing opportunities. Unit 2 was completed in November 1979; Unit 1 was completed in 1981, and Unit 3 was completed in 1984. The newest unit was completed in 2002. The Nashville District operates and maintains the project on the Caney Fork River in Lancaster, Tennessee. The electricity generated by the plant and solar panels is also fed into SRP's grid. WebInterest During Construction accrues until each major asset (main dam and saddle dam) improvements are placed in service. Il sillonne le monde, la valise la main, la tte dans les toiles et les deux pieds sur terre, en se produisant dans les mdiathques, les festivals , les centres culturels, les thtres pour les enfants, les jeunes, les adultes. The total capacity of both units is 446 MW; Unit 1 produces 184 MW and Unit 2 produces 262 MW. LANCASTER, Tenn. Officials celebrated the completion of a barrier wall in the main dam embankment of Center Hill Dam during a ceremony today at the work platform on top of the dam. Lt. Col. John L. Hudson, U.S. Army Corps of Engineers Nashville District commander, The work to install the barrier wall began in 2012. This was actually the first view of the dam that we got. Short is a motor vehicle operator with the Dale Hollow National Fish Hatchery Fish Rearing and Distribution. (USACE Photo by Leon Roberts), Former WAC reflects on her time in service, 4th Infantry Divisions mobile command post showcased at NATO Baltic Commanders Conference, AUSA Symposium looks toward acquisition priorities of 2040, Career change led Soldier, pioneer, to critical Army capability, Vermont, Maine Guard Soldiers join Common Challenge 23, 3rd Infantry Division Soldiers win Dragon's Lair 8, https://www.youtube.com/user/CORPSCONNECTION. U.S. Army Corps of Engineers officials determined that a Voith Hydro scale model turbine met or exceeded requirements for replacement hydropower turbines at 135-MW Center Hill Dam in Tennessee. the water management page on the Nashville District ACOE website stated Thanks to the U.S. Army Corps of Engineers for catching the dam problem before a damn failure flooded my farm! submerged island. While you may associate Burts Bees with lip balm, the brand has expanded into baby items that range from pajamas to bedding to bibs to shampoo. As envisioned, Roosevelt Dam provided several benefits including water storage, flood control, hydropower, and recreation, all of which contribute to economic growth in Central Arizona. The public can also follow Center Hill Lake on Facebook at http://www.facebook.com/centerhilllake. Ownership Summary of Craig Generating Station. The Caney Fork is a major tributary to the

Unit 2 also has a Selective Catalytic Reduction (SCR) system to remove NOx and plans to have an SCR installed on Unit 1 by the end of 2025. Description of construction The Salt River Project (SRP) transferred ownership of C.C. The Theodore Roosevelt Dam, named after the 26th President of the United States, was among the first projects authorized under the Reclamation Act of 1902, after farmers in the Salt River Valley placed their land on collateral for funding. (USACE Photo by Leon Roberts), Park Ranger Gary Bruce maneuvers a Corps of Engineers boat into position Nov. 2, 2021 to allow an Open Jaw Productions film crew to obtain imagery of Lee Chadwell fly fishing in the Caney Fork River below Center Hill Dam in Lancaster, Tennessee. Unit 1 construction began in 1962 and was completed in 1965. The project is operated by Iberdrola Renewables and SRP has an agreement to purchase 100% of the plant's electrical energy output. The final reviews are expected to be completed in 2018; the lake level is expected to be raised in time for the 2018 summer recreation season. read more [3] In 2018, about 57% of the power consumed in Tennessee was generated with emissions free sources. Fish and Wildlife Service Dale Hollow National Fish Hatchery Fish Rearing Hatchery-Fish Stocking In addition much of the power generated at TVA's Browns Ferry Nuclear Plant in Limestone County, Alabama is distributed to Tennessee. Photo By Mark Rankin | The Nashville District awarded a contract to Voith Hydro in June 2014 to rehabilitate three Center Hill Dam hydropower units. WebCenter Hill is a 250 foot high concrete gravity structure, augmented with an earthen dike. Construction began in August 2009 and was completed in May 2011. (USACE Photo by Leon Roberts), Director Zebediah Smith with Open Jaw Productions captures video of a spillway gate Nov. 3, 2021 at Center Hill Dam on the Caney Fork River in Lancaster, Tennessee, for a U.S. Army Corps of Engineers National Inventory of Dams video production. Latest 1 hour data for: Today at 11:15 PM. While more and more of our energy mix will be renewable moving forward, well still have natural gas and nuclear power sources so that we can provide dependable and affordable power. Learn about SRPs energy plan for the future. The original four units are each capable of producing 92 MW, 368 MW total. from Cordell Hull Dam. So its important that you get high efficiency, said Hydroelectric Design Center Mechanical Engineer Ryan Sollars said. Rehabilitation of the Center Hill units is the start of a 20-year process to rehabilitate all 28 turbine-generators at hydroelectric plants in the Nashville District. A view of the left abutment of the dam. Unit 2 construction began in 1973 and was completed in 1976. At the dam site, the Kaibab is composed of moderately hard to hard limestone with occasional interbeds of sandstone and occasional chert. 55 miles east of Nashville, contains three 45-MW generating units with a total rated overload capacity of 155 MW. Use caution! A closeup of the one of the floodgates. [5] Tennessee is a net consumer of electricity, consuming more power than it generates and receiving power from TVA facilities in neighboring states.[4]. You are welcome to (USACE Photo by Leon Roberts), Hydropower Senior Mechanic Vince Harriman with the U.S. Army Corps of Engineers Nashville District is captured on video Nov. 3, 2021 on the main floor of the Center Hill Dam Hydropower Plant, which is located on the Caney Fork River in Lancaster, Tennessee. paul sinha thyroid; billy j kramer first wife; wasaga beach fire department recruitment what Wholly owned by SRP, the Desert Basin station is a combined cycle, natural gas-fired generating unit with two combustion turbines, two heat recovery steam generators and one steam turbine. Over the life of the program, SEPA is expected to direct more than $1.2 billion into the hydro equipment rehabilitation. communities we serve. [5] Tennessee is home to the third largest pumped-storage hydroelectric facility in the US, and has the third highest net generation of hydroelectric power of states east of the Mississippi River, and eighth highest nationwide. The code for Dale Hollow Lake is 35. WebCenter Hill Dam closure was started November 27, 1948 and completed December 1949. WebCompleted in 1911. Cumberland River Basin Project Generation Schedule Please note! Latest readings for Denison/Texoma Lake Hydropower. WebCenter Hill Dam. Hydro-Qubec acquires 13 U.S. hydroelectric power stations, Industry marks inaugural Global Hydropower Day, Microsoft partnership spurs use of Ontarios hydro and nuclear assets, Heres how to decarbonize the electric grid by 2035. Learn about each generating station below. WebExplore generating stations and power sources. It's best to arrive early no later than 5:30 a.m. and collect lots of fresh bait. Description and other excerpts courtesy of the U.S. Army Corps of Engineers Nashville District

Use the links below to view daily water release schedules for these dams. Hydro-Qubec issues tender for 1.5 GW of wind capacity, Biden offers $450M for clean energy projects at coal mines, EPAs proposed effluent limitation rule complements the CC, Treasury Department releases guidance on clean energy invest. acre-feet of water can be stored above normal levels. (SRP receives 131 MW.) To view a hydropower generation schedule, select a power plant and date from the dropdowns. The plant is operated by Tucson Electric Power and has 4 units. Units 1 and 2 provide 380 MW apiece. read more, Photo By Mark Rankin | Lt. Col. John L. Hudson, U.S. Army Corps of Engineers Nashville District commander, thanks Alex Cartwright, (Right) Bauer Foundation Corporation Project manager, for work provided to make the completion of the Center Hill Dam a success during a ceremony marking the completion of the Center Hill Dam barrier wall May 18, 2015. The plant has a total capacity of 3,937 MW from the three units.
At the dam site, East Clear Creek has incised a gorge through the Mogollon Rim and the Permian Kaibab Limestone and into the underlying Coconino Sandstone. It has four generating units with a summer net dependable capacity of 123 megawatts. The Nashville District operates and maintains the project on the Caney Fork River in Lancaster, Tennessee. concentration immediately below Center Hill dam during 3-turbine generation. taken all the way to 685 MSL if necessary. Cragin Dam is located in north central Arizona, in the Coconino National Forest, section 33, T14N, R11E, Gila and Salt River Baseline and Meridian. [3] Tennessee is home to the two newest nuclear reactors in the US at Watts Bar Nuclear Plant, unit 2 being the first to begin operation in the 21st century. Some refer to it as a fuse plug dam that would be used to alleviate pressure on the main dam if a major flood ever occurred. Santan is a relatively quick source of electricity, its capable of producing power within 20 to 60 minutes. The Mogollon Rim is a 2,000- to 3,000-foot high escarpment that angles diagonally for about 200 miles across north-central Arizona. Water release schedules often change without notice due to unanticipated changes in weather he dam has one hydraulic turbine-generator rated at 11.5 MW plus one reversible pump-turbine (pumped storage) unit rated at 55 MW. Representatives from the Corps Hydroelectric Design Center and its Nashville District visited Voith labs to witness scale model testing that the Corps said was completely successful and will keep rehabilitation of the Center Hill project on track. The dam, powerplant and reservoir are operated by the Nashville District of the Corps of Engineers. Center Hill Lake is located in the Cumberland River Basin, on the Caney Fork River, and covers parts of DeKalb, Putman, White, and Warren Counties in Tennessee. It controls the runoff from a drainage area of 2,174 square miles. Plant construction began in 1961. dam berm hill center rehabilitation construction completes phase repair last wjle district rcc tennessee Center Hill Dam is located on the Caney Fork River and contributes to the electrical power supply of the area through the generation of clean, safe and efficient hydroelectric power. Arizona Falls is located at G.R. We are excited that Center Hill Dam was selected to be featured in the National Inventory of Dams video, said Park Ranger Ashley Webster. Arizona Falls is formed by a natural 20-foot drop along the Arizona Canal. Located in Arlington, Arizona, Mesquite is composed of two natural gas-fired combined-cycle blocks. WebYou may call TVA's Lake Information Line at 1-800-238-2264 to obtain the latest changes to this schedule and the weekend schedule. (USACE photo by Mark Rankin) until 0400 est.