Bridgeport, CT is the largest city in the state and is located in Fairfield County at the mouth of the Pequonnock River. Bridgeport is a seaport city which makes it a great for importing and exporting energy sources. With a population over 150,000 residents, it is the 5th most populous city in the New England region. Bridgeport, CT residents, and businesses have been able to shop and compare electricity suppliers since the state became deregulated in 1998. The primary utility for Bridgeport is United Illuminating which serves over 325,000 residents in Bridgeport and 16 other CT towns. For more information on Bridgeport, CT energy usage, source, rates and solar potential, see the graphs below.