Consolidated Edison of New York is one of the largest investor-owned energy companies in the United States. Founded in 1823 to light and maintain the gaslight lamps for New York City, today ConEd is responsible for routing electricity, gas, and steam services to more than 10 million customers across the five boroughs of New York City and Westchester County, NY. Its secure Tier One (critical infrastructure) building in the heart of New York City serves as the control center for all power entering and exiting the city.