State Electricity Profiles: Connecticut
- Diagram showing distribution of electrical providers in the state, along with data tables.
- http://www.eia.doe.gov/emeu/states/state.html?q_state_a=ct&q_state=CONNECTICUT

Yankee Gas
- Subsidiary of Northeast Utilities and the largest distributor of natural gas in Connecticut.
- http://www.yankeegas.com/

Connecticut Water Service, Inc.
- Supplies water for residential, commercial, industrial and municipal purposes. Company information, notable customers, client services, employment opportunities, investor information, corporate governance, and news.
- http://www.ctwater.com/

Connecticut Natural Gas Corp.
- Distributes gas to approximately 141,000 customers in 21 Connecticut communities, in the Hartford-New Britain and Greenwich areas.
- http://www.cngcorp.com/

Connecticut Yankee
- Nuclear power plant that was commissioned in 1968 and will be decommissioned by the year 2004.
- http://connyankee.com/

The United Illuminating Company
- Regional distribution utility providing electricity and energry related services to the Greater New Haven and Greater Bridgeport areas.
- http://www.uinet.com/

Energy Search and Policy Development Unit
- Body which administers grant programs, provides energy-related services and coordinates the Connecticut Energy Advisory Board.
- http://www.opm.state.ct.us/pdpd2/energy/enserv.htm

Northeast Utilities
- Electric utility holding company serving Connecticut and regional states. Subsidiaries include The Connecticut Light and Power Company, Holyoke Water Power Company, North Atlantic Energy Corporation and others.
- http://www.nu.com/

Connecticut Light and Power Company
- Subsidiary of Northeast Utilities providing electric utility service to businesses and residences.
- http://www.cl-p.com/