Senior program manager Scott Walker points to a computer display showing power usage and availability in the TVA System Operations Center in Chattanooga on Friday.
Photo by
Doug Strickland /Chattanooga Times Free Press .
published Friday, June 29th, 2012
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While it's blazing hot outside, the temperature is cool in TVA's systems operation center as a room full of weather and power technicians work to match the utility's electric output to demand in this record June heat wave.
