Providing gas service to more than half a million customers, Philadelphia Gas Works (PGW), established in 1836, is the largest municipally owned gas utility in the United States. To assist low-income residents, PGW provides discounts to seniors and low-income people through programs that benefited nearly 67,000 households in 2016. Also committed to sustainability, PGW launched EnergySense in 2011, an initiative credited with completing over 18,300 projects over its first 5 years that have enabled customers to save gas and money. To help prepare local residents for PGW jobs, the utility has provided internships to over 200 college and 110 high school students.