Xcel Energy (NASDAQ: XEL) is a leading energy provider and Fortune 500 company, dedicated to serving millions of electricity and natural gas customers across eight states: Minnesota, Colorado, Wisconsin, Michigan, North Dakota, South Dakota, New Mexico and Texas. Develop and maintain Xcel Energy's technical leadership in specific assigned area for gas or electric conservation programs (HVAC, lighting, compressed air, energy efficient building construction, motors, controls, industrial processing, boilers, furnaces, recommissioning).