Electricity
| GoSwitch Electricity Comparisons Compare your electricity bill to other providers and start saving money today with GoSwitch - A free service to get you the best deal on electricity. | |
| Solar Power Systems Ingenero is a leading supplier of solar power systems, solar panels and inverters built to last through all Australian conditions. | |
| Energy Provider - AGL AGL is a gas and electricity provider to homes and businesses across Australia and also supplies green energy and renewable energy services. | |
| Allegheny Energy | |
| Amerada Hess Corporation | |
| American Electric Power (AEP) | |
| APS Energy Services - offers energy and energy-related products and services to the commercial, industrial, and residential markets in the western US. | |
| Arizona Public Service - electric energy company in the Southwest. | |
| Automated Power Exchange - provides automated buying and selling of electricity and transmisison services. Also provides software, training and consulting for new decentralized power markets. | |
| Avista Corporation | |
| Black Hills Corporation | |
| Bonneville Power Administration | |
| Burmeister - includes utility products, online ordering, and list of manufacturers. | |
| Calpine Corporation | |
| Capstone Turbine Corporation - manufactures ultra-low-emission power generators used in hybrid electric vehicles, oilfield/biogas resource recovery, distributed generation, and micro-cogeneration. | |
| Caribbean Utilities Company, Ltd. - supplier and distributor of electricity to Grand Cayman. | |
| Central Vermont Public Service Corporation | |
| Chimney Rock Public Power District (CRPPD) - publicly owned rural electric distribution system serving Morrill, Scottsbluff, and small parts of Banner, Sioux, and Box Butte Counties in the Nebraska panhandle. | |
| Connecticut Energy Corporation - holding company primarily engaged in the retail distribution of natural gas for residential, commercial and industrial users. | |
| Connecticut Valley Electric Exchange (CONVEX) - convex provides a transmission control centre for Connecticut and western Massachusetts; the site contains real-time power watch and warning system for Connecticut. | |
| Consolidated Edison Company of New York | |
| Dawson Public Power District - serving central Nebraska. Site offers online meter reading, links for kids, and more. | |
| Dayton Power & Light Co. | |
| Detroit Edison Co | |
| DQE, Inc. | |
| DTE Energy | |
| El Paso Electric Company | |
| Empire District Electric Co. | |
| Energiselskabet Arke - energiforsyning, elforsyning, lokalvarme, elbiler, solceller, varmepumper, energirådgivning | |
| Entergy Corporation | |
| FirstEnergy | |
| Florida Public Utilities Company - distributing natural and propane gas, electricity, and water to different areas in Florida. | |
| General Public Utilities Corporation | |
| Green Mountain Power Corp | |
| Hafslund ASA - owns and operates power plants in Norway and in the US. | |
| Hawaiian Electric Industries | |
| IDACORP, Inc. | |
| IPALCO Enterprises | |
| Kansas City Power & Light | |
| LG&E Energy Corp | |
| Madison Gas and Electric Company (MGE) | |
| MidAmerican Energy Holdings Company | |
| Minnesota Power Inc. | |
| Montana Power Company | |
| Montana-Dakota Utilities Co. | |
| Municipal Electric Systems of Oklahoma (MESO) - public power utility. | |
| National Grid Group - specialises in the provision of electricity transmission and in building telecommunications networks. | |
| National Power | |
| NiSource Inc | |
| Northeast Utilities | |
| NStar | |
| Oklahoma Gas & Electric | |
| Otter Tail Power Company | |
| Pacific Gas and Electric Company (PG&E) | |
| PacifiCorp | |
| Pinnacle West Capital Corp | |
| Potomac Electric and Power Company (PEPCO) | |
| PowerGen PLC | |
| PP&L Resources, Inc. (Pennsylvania Power & Light) | |
| Public Service Company of New Mexico (PNM) | |
| Public Service Enterprise Group | |
| Rochester Gas and Electric | |
| SCANA Corporation | |
| Sierra Pacific Resources | |
| Tennessee Valley Authority - producer of public power, steward of the Tennessee River system, and a regional economic development agency. | |
| Texas Utilities Company | |
| Tucson Electric Power Company | |
| UGI Corporation | |
| Unicom Corporation | |
| United Illuminating - provides electric power and energy related services to southern Connecticut, including the New Haven and Bridgeport areas. | |
| Unitil Systems, Inc | |
| USDA Rural Utilities Service (RUS) | |
| UtiliCorp United, Inc. | |
| utility.com - sells electricity over the Internet to customers in deregulated states. | |
| Wattage Monitor - nationwide, free service offering residential and commercial electric consumers their specific electric service options. Competing electric suppliers' rates and services are shown by zip code in a comparative layout. | |
| Weather and Electricity Demand Forecast - sells temperature and power demand forecasts for major power companies in the continental United States. | |
| Western Resources | |
| Wygen, Inc. - energy generation unit involved in the wholesale generating and selling of electric power and energy. | |
| BC Hydro and Power Authority | |
| Ènergie NB Power - provincial crown corporation, generates and supplies power. | |
| Enwin Utilities - formerly of the Windsor Utilities Commission. | |
| Great Lakes Power Limited - private electric utility serving an area of approximately 5,000 square miles in Northern Ontario, Canada. Info on safety, customer service, and maintenance. | |
| Hydro Mississauga | |
| Hydro-Québec@ | |
| Manitoba Hydro - electric utility in the province of Manitoba, Canada. | |
| Manitoba Hydro International (MHI) - provides electric utility expertise to clients worldwide. | |
| Maritime Electric - serving Prince Edward Island; a wholly owned subsidiary of Fortis Inc. | |
| Newfoundland & Labrador Hydro - electric utility owned by the province of Newfoundland and Labrador. | |
| Newfoundland Power - investor owned utility whose business is the generation, transmission, and distribution of electricity in a regulated environment. | |
| Ontario Power Generation - formerly Ontario Hydro. Site offers media, community, environmental and investor information. | |
| Toronto Hydro - municipal distribution utility owned by the City of Toronto. | |
| Windsor Utilities Commission | |