“At TVA, we take seriously our mission to deliver affordable, reliable, resilient, and sustainable energy for the customers and communities we are privileged to serve,” TVA said in a statement to AL.com responding to the GAO report. “We appreciate GAO’s recommendations.
While climate change is often cited as a cause of extreme weather events, the GAO report noted that it can also result in more subtle environmental changes that, in TVA’s case, can interrupt power production. An example cited in the report were the reductions in power at Browns Ferry. “Even as the drought began to ease in early 2008, TVA’s hydropower generation was only at 49 percent of normal operation,” the GAO report said. “During the drought, coal prices more than doubled, forcing TVA to rely on additional natural gas purchases to meet generation needs. In October 2008, TVA raised rates by 20 percent in order to absorb more than $2 billion in increased costs for coal, natural gas, and purchased power, according to the report.
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