The Tennessee Valley Authority has posted a video of the implosion of a 1970s-era, 540-foot-tall hyperbolic cooling tower at its Hartsville site in Tennessee, which once was to have hosted a nuclear power plant. The tower crashed to the ground at the hands of a demolition crew on September 18 as part of TVA’s actions to get rid of old, obsolete, and unused structures in the Tennessee Valley region and make room for future projects that are expected to add more than 6,200 megawatts of power.