Join WAPA’s team and “keep the lights on” for millions of Americans. We market & deliver clean, renewable, reliable federal hydroelectric power, which enhances America’s energy security & sustains its economic vitality. As part of the Department of Energy, WAPA provides power marketing & transmission services across 17,000+ miles of high-voltage transmission lines in 15 states. We operate & maintain the transmission system, providing energy to customers who then serve about 40 million people.