Green Mountain Energy Company
Green Mountain Energy Company is the nation’s leading competitive retail provider of cleaner energy and carbon offset solutions. Headquartered in Austin, Texas, the company is the longest serving green power marketer in the United States. Green Mountain customers, which now includes New York's Empire State Building, have collectively helped avoid over 11.3 billion pounds of CO2 emissions. As a wholly owned subsidiary of NRG Energy, Green Mountain is backed by one of the nation’s largest renewable power producers.