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American Electric Power
AEP, headquartered in Ohio, ranks among the nation's largest generators of electricity and owns the nation's largest electricity transmission system.

Allete, Inc.
Allete Inc., is a provider of energy in the upper Midwest. Minnesota Power is a division of Allete that serves electricity to 144,000 residents across a 26,000 square mile service territory in Northern Minnesota.

Arizona Public Service
APS, Arizona’s largest and longest-serving electricity utility, serves nearly 1.2 million customers in 11 of the state’s 15 counties.

American Transmission Company
American Transmission Company, was founded in 2001, as the first multi-state, transmission-only utility in the United States.

Austin Energy
Austin Energy, is the nation’s 9th largest community-owned electric utility.

Center Point Energy
Center Point Energy, in Texas is the nation's third largest combined electricity and natural gas deliver company.

Central Hudson Gas & Electric
Central Hudson Gas & Electric, is a regulated transmission and distribution utility serving New York State's Mid-Hudson River Valley.

Chelan County PUD
Chelan County PUD, in Washington relies on the mighty Columbia River for much of its hydropower generation.

Chugach Electric
Chugach Electric Association, is headquartered in Anchorage, Alaska's largest city.

Cleco, is an energy services company based in Pineville, Louisiana.
CMS Energy
CMS Energy, is a public utility supplying electric power, nuclear power, uranium and natural gas to Metro Detroit and most of Michigan. Its headquarters are located in Jackson, Michigan.

ComEd is one of America’s largest utilities. The company is headquartered in Chicago with more than 3.8 million customers across the northern Illinois region.

CPS Energy
CPS Energy, is the nation’s largest municipally owned energy company providing both natural gas and electric service.

Colorado Springs Utilities
Colorado Springs Utilities, as a municipal utility, providing exceptional customer service while keeping costs low.

Dairyland Power Cooperative
Dairyland Power Cooperative is a generation and transmission cooperative (G&T) which provides the wholesale electrical requirements and other services for 25 electric distribution cooperatives and 17 municipal utilities in the Upper Midwest

East Kentucky Power Cooperative
East Kentucky Power Cooperative, provides power to more than 520,000 homes and businesses in 87 Kentucky counties.

Georgia System Operations Corporation
Georgia System Operations Corporation, the system operations company for our Member-owners: 38 EMCs across the state, Oglethorpe Power Corporation and Georgia Transmission Corporation.

Grand River Dam Authority
Grand River Dam Authority, mission is to provide low-cost, reliable electric power and related services to our customers and to be responsive to the interests and concerns of public power users, the communities we affect, and the people of the state of Oklahoma.

Great River Energy
Great River Energy, is a generation and transmission (G&T) cooperative that provides wholesale electric service to 28 distribution co-ops that serve more than 620,000 members.

El Paso Electric
El Paso Electric, generates & distributes electricity through an interconnected system to approximately 372,000 customers in the Rio Grande Valley in west Texas and southern New Mexico.

TOA® has provided FirstEnergy with a proven, state-of-the art and integrated tool for managing their outage coordination process across Ohio, Pennsylvania and New Jersey.

Homer Electric
Homer Electric is a member-owned electric utility serving the central and southern areas of the Kenai Peninsula in Alaska.
Hoosier Energy
Hoosier Energy is a generation and transmission cooperative providing wholesale electric power and services to 18 member distribution cooperatives in central and southern Indiana and southeastern Illinois.

Hydro One
Hydro One will be the leading electricity delivery company in North America, guided by our values of safety, stewardship, excellence and innovation.

ITC Holdings Corp.(NYSE: ITC) invests in the electricity transmission grid to improve electric reliability, expand access to markets, lower the overall cost of delivered energy and allow new generating resources to interconnect to its transmission systems.

Imperial Irrigation District
Imperial Irrigation District provides electric power to more than 145,000 customers in the Imperial Valley and parts of Riverside and San Diego counties.

Lincoln Electric System
LES(services approximately 200 square miles within Lancaster County in Nebraska, including the cities andtowns of Lincoln, Waverly, Walton, Prairie Home, Cheney and Emerald.

LG&E and KU Services Company
LG&E KU, headquartered in Louisville, Ky., is a diversified energy services company that is a member of the PPL (NYSE: PPL) family of companies.

Manitoba Hydro
Manitoba Hydro in Manitoba, Canada, is a Crown Corporation and the province's major energy utility; headquartered in Winnipeg, Manitoba, Canada.

Modesto Irrigation District
Modesto Irrigation District provides electric and irrigation and treats surface water for drinking.

NaturEner, develops and operates wind power generation projects and have invested more than $800 million in North America since 2006.

Nebraska Public Power District
Nebraska Public Power District, is Nebraska's largest electric utility, with a chartered territory including all or parts of 91 of Nebraska's 93 counties.

National Grid USA
National Grid USA - National Grid is the largest investor owned utility in the world.

Northern Indiana Public Service Company
Northern Indiana Public Service Company- NIPSCO headquartered in Merrillville, Indiana is one of the 10 energy distribution companies of NiSource Inc.

Northeast Utilities
Northeast Utilities operates New England's largest utility system serving more than two million electric and natural gas customers in Connecticut, western Massachusetts and New Hampshire.

NSTAR (now a Northeast Utilites Company), is the largest Massachusetts-based, investor-owned electric and gas utility, with revenues of approximately $3.3 billion and assets totaling approximately $7.7 billion.

Oncor, is a regulated electric distribution and transmission business that provides reliable electricity delivery to consumers in Texas

OPPD, is one of the largest publicly owned electric utilities in the United States, serving more than 352,000 customers in 13 southeast Nebraska counties.

PHI Service Company
PHI Service Company is one of the largest energy delivery companies in the Mid-Atlantic region, serving about 2 million customers in Delaware, the District of Columbia, Maryland and New Jersey.

Powerlink Queensland
Powerlink is an electricity transmission system operator in Queensland, Australia with a high voltage network extending 1,700km from north of Cairns to New South Wales, comprising of 15,500 circuit kilometres of transmission lines.

PNM - New Mexico's largest electricity provider based in Albuquerque. PNM owns and maintains about 17,400 miles of power lines within New Mexico and all or part of eight power plants, seven of which are in New Mexico.

Progress Energy
Progress Energy Florida and North Carolina - Progress Energy (now a Duke Energy company), headquartered in Raleigh, NC.

The PPL family of companies includes seven operating utilities, delivering electricity and natural gas to more than 10 million customers in the U.S. and the U.K.

Puget Sound Energy
Puget Sound Energy - PSE’s more than 135-year history is rich with energy leadership, ground-breaking innovation and dedicated service to our customers and local communities.

Silicon Valley Power
Silicon Valley Power - SVP provides electricity service to approximately 52,000 residential and business customers, including large corporations such as Intel, Yahoo!, Applied Materials, Owens Corning and NVIDIA.

Southern Maryland Eletric Cooperative
SMECO is a customer-owned electric cooperative providing electricity to more than 160,000 services in southern Prince George’s County, and in Charles County, St. Mary’s County, and all but the northeast portion of Calvert County.

Sacramento Municipal Utility District
Sacramento Municipal Utility District - As the sixth largest publicly owned utility in the United State in terms of customers served, SMUD provide Sacramento County and part of Placer County with reliable source of electricity at competitive rates that are consistently lower than investor-owned utilities in California.

Santee Cooper
Santee Cooper is South Carolina's state-owned electric and water utility and it serves more than 165,000 residential and commercial customers in Berkeley, Georgetown, and Horry counties.

South Carolina Electric and Gas
South Carolina Electric and Gas, is the principal subsidiary of SCANA Corporation.

Salt River Project
Salt River Project, is two entities: the Salt River Project Agricultural Improvement and Power District, a political subdivision of the state of Arizona; and the Salt River Valley Water Users' Association, a private corporation.

Tampa Electric Company
Tampa Electric Company, has supplied the Tampa Bay area with electricity since 1899. Its West Central Florida service area covers 2,000 square miles, including all of Hillsborough County and parts of Polk, Pasco and Pinellas counties.

Turlock Irrigation District
Turlock Irrigation District, is one of only four irrigation districts in California that provides irrigation water as well as electric retail energy directly to homes, farms and businesses.

Tri-State Generation and Transmission
Tri-State Generation and Transmission Association is a wholesale electric power supplier owned by the 44 electric cooperatives that it serves.

Texas/New Mexico Power
Texas/New Mexico Power (TNMP) is an electricity transmission and distribution service provider that servers Texas.

UGI Utilities
UGI Utilities in Pennsylvania is a distribution company, located in Pennsylvania.

Vectren Corporation
Vectren Corporation is a Fortune 1000 energy holding company headquartered in Evansville, Indiana.

Vermont Electric Power Company
Vermont Electric Power Companymanages the safe, reliable, and cost effective delivery of electric energy through Vermont's transmission system.

Westar Energy Inc.
Westar Energy Inc - As the largest electric utility in Kansas, its energy centers include wind, coal, nuclear energy, natural gas and landfill gas generation.

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