TVA Breaks All-Time Record For Power Generation From Its Dams

Thursday, October 3, 2013

More electricity was generated from the Tennessee Valley Authority’s 29 hydroelectric dams in fiscal year 2013, which ended Sept. 30, than any year in the agency’s 80-year history.

The dams provided 18.5 million megawatt-hours of clean, renewable energy, breaking the previous record set in 1973 by 122,000 MWh. That is enough electricity to serve more than 1.2 million homes in the TVA service area for an entire year.

Above-average rain and runoff fueled the increase in hydro generation. The Tennessee Valley received almost 62 inches of rainfall and almost 30 inches of runoff in fiscal 2013, which were 121 percent and 136 percent of normal, respectively. Runoff is the amount of rainfall that actually reaches streams and creeks, and eventually the Tennessee River, its tributaries and TVA’s dams.

“This is a credit to all the hard working TVA employees who manage our integrated river system around the clock, everyday of the year,” said Chip Pardee, TVA executive vice president and chief generation officer. “This includes the professionals at the dams, in our river forecast and power dispatch centers, and the rest of our transmission and operations groups. Together they have maximized low-cost hydro generation for the 9 million power consumers in TVA’s power service area.”

“It has been a wet year and our River Operations team took advantage of it. We were able to generate electricity from the dams in months when we typically are trying to hold on to water, like July for recreation and stewardship purposes,” John McCormick, TVA vice president, River Operations said. “As our cheapest energy source, all this hydro generation has helped lower our fuel cost to customers.”

While some of TVA’s dams are as old as the agency, TVA has continued to upgrade and modernize their components. Since 1992, TVA has upgraded 55 of its 109 conventional hydro generating units, gaining 442 megawatts of capacity for the system.  In August, the TVA board of directors approved $350 million for additional hydro modernizations to 51 units that will increase their capacity by 184 megawatts.

“In a typical year, conventional hydroelectric power makes up about eight to 10 percent of TVA’s total electricity production, with the bulk of our generation coming from nuclear, coal and natural gas. But In fiscal 2013 hydroelectric power contributed about 13 percent of the generation mix,” Mr. McCormick said. “More importantly, TVA was able to reduce flooding impacts during large rain events throughout the year. In January, TVA’s operations averted about $800 million in flood damages and an additional $48 million in July."

During an average year, TVA’s reservoir operations avert approximately $250 million in flood damage. TVA estimates it has averted nearly $7 billion in flood damage since it completed its first dam, Norris Dam, in 1936.


Coding Bootcamp Covalence Announces Opening Of New Location In Chattanooga

Covalence (formerly Depot/U) announced the commencement of its first class at the company’s brand new location in Chattanooga. The Coding bootcamp will begin their Chattanooga program with a 10-week Full Stack Development course focused on creating end-to-end web applications. Students will learn the basics of front end development, create custom application programing interfaces ... (click for more)

Partnership FCA Celebrates Opening Of New Location June 7

Partnership for Families, Children and Adults, Inc. will celebrate the grand opening of the new location for two of its programs with a ribbon cutting on June 7 at 1 p.m.   Both Deaf Services and Consumer Credit Counseling have moved into a new office space at the Eastgate Center.  The location is at 5600 Brainerd Road, Suite E-1.   The Chattanooga Area ... (click for more)

Man Found With Home-Made Explosive Device Near Businesses In Hixson

A man was found with a home-made explosive device outside businesses in Hixson late Tuesday night.   A business was evacuated and portions of Highway 153 and Hamill Road were cordoned off while the device was taken away.   Joshua Redden, 34, was charged with possession of a prohibited weapon, public intoxication, possession of drug paraphernalia and possession ... (click for more)

Man Shot In Home Invasion Early Wednesday Morning

A man was shot in a home invasion early Wednesday morning.   Chattanooga Police responded to a person shot on the 6000 block of Arlena Circle at 4:40 a.m. Upon arrival, police located the victim, Edward Greatheart, 41,  who was suffering from a non-life threatening gunshot wound.   Mr. Greatheart was treated on the scene and transported to a local hospital ... (click for more)

Life For Our Ancestors In 1890

May 26-27 is the 1890’s Day Jamboree in Ringgold. I encourage any reader to attend and enjoy that wonderful community. I love having grown up in Northwest Georgia and celebrating our veterans, including both of my grandfathers who served in WWII.  But I also want to describe how the 1890’s were for my ancestors, living here in a singularly turbulent time. Based on, among ... (click for more)

Roy Exum: Governor Haslam, Please!

AN OPEN LETTER TO GOV. BILL HASLAM … Greetings to you, my friend. You know with one more year on the course we have sailed during your two terms as the leader of our state you will go down as one of the greatest governors we have ever had. It stands to reason you eye Lamar Alexander’s Senate seat, but whatever you do it will be hard to replicate your service to Tennessee and ... (click for more)