The original content of Democracy Now! Headlines appears under the Creative Commons BY-NC-ND 3.0 License (United States). For more, including their other shows and media, visit www.democracynow.org. October 21, 2016 New Nuclear Reactor Goes Online in Tennessee -------------------------------------------- For the first time in two decades, a new nuclear reactor has gone online in the United States. The Tennessee Valley Authority announced Watts Bar Unit 2 began generating energy on Wednesday. Construction on the $4.7 billion reactor began in 1973. Four other reactors are being constructed in Georgia. Topics:Nuclear Power .