Duke Energy Corporation (Duke Energy) is an energy company located in the Americas that provides its services through four business units. The Company’s business units are U.S. Franchised Electric and Gas, Commercial Power, International Energy and Duke Energy’s 50% interest in the... more

American Electric Power Company, Inc. (AEP) is a public utility holding engaged in the generation, transmission and distribution of electric power to retail customers, and supplying and marketing of electric power at wholesale to other electric utility companies, municipalities and other... more

National Grid is an international energy delivery company. In the U.S., National Grid delivers electricity to approximately 3.3 million customers in Massachusetts, New Hampshire, New York and Rhode Island, and manages the electricity network on Long Island under an agreement with the Long... more

Dynegy Inc. (Dynegy) is engaged in the production and selling of electric energy, capacity and ancillary services from the fleet of 29 operating power plants in 13 states totaling nearly 20,000 megawatt of generating capacity. The Company conducts its operations through its subsidiary,... more

CenterPoint Energy, Inc. is a public utility holding company. Its indirect wholly owned subsidiaries include CenterPoint Energy Houston Electric, LLC (CenterPoint Houston), which engages in the electric transmission and distribution business in a 5,000-square mile area of the Texas Gulf... more

KeySpan owns and operates more than 6,000 MW of electric power generation on Long Island and in New York City, and provides management of the electric transmission and distribution (T&D) system, and customer services, to the Long Island Power Authority's 1.1 million customers. The... more

The PJM Interconnection, LLC is an Independent System Operator, administering the PJM Open Access Transmission Tariff and operating the PJM Energy and Capacity Markets. PJM currently administers almost eight percent of the country's electric power, with a pooled generating capacity of... more

BGE, www.bge.com, headquartered in Baltimore, is Maryland's largest gas and electric utility, delivering power to more than 1.2 million electric customers and more than 640,000 natural gas customers in Central Maryland. The company's approximately 3,000 employees are committed to the safe... more

Tenaska is a leader in the application of energy generation technology. The company's employees are experienced in the design, construction and operation of combined-cycle, peaking and cogeneration projects fueled by natural gas and fuel oil, coal-fueled projects, waste coal-fueled... more

MidAmerican Energy Holdings Company is a global leader in the production of energy from diversified fuel sources including geothermal, natural gas, hydroelectric, nuclear, coal and wind. MidAmerican also leads in the supply and distribution of energy in the U.S. and U.K. consumer markets,... more

ATC operates the electric transmission system from two system operations centers. From these centers, we monitor and operate the flow of electricity over 9,081 miles of transmission lines and through 480 electric substations in our service area. The control centers are staffed 24 hours a... more

TXU is a global leader in electric and natural gas services, merchant trading, energy marketing, energy delivery, telecommunications, and other energy-related services. TXU is one of the largest energy companies in the world with more than $28 billion of annual revenue and $43 billion of... more

San Diego Gas & Electric Company (SDG&E) is engaged in the purchase, sale and distribution of natural gas. SDG&E’s common stock is wholly owned by Enova Corporation, a wholly owned subsidiary of Sempra Energy. Sempra Energy also indirectly owns the common stock of Southern California Gas... more

CTC is a global provider of electric utility solutions featuring its breakthrough composite technologies. CTC's transmission and distribution cable products address a $50 billion annual global market that is projected to exceed $80 billion within 10 years. CTC's premiere product is a... more

MidAmerican Energy Company is a public utility company principally engaged in the business of generating, transmitting, distributing and selling electricity and in distributing, selling and transporting natural gas. The Company distributes electricity at retail in Council Bluffs, Des... more

Northern Indiana Public Service Company (NIPSCO), a subsidiary of NiSource Inc., is a regulated utility that provides natural gas to nearly 700,000 customers and electricity to 416,000 customers across the northern third of Indiana. NIPSCO is the largest natural gas distribution company... more

ITC Holdings Corp., through its Regulated Operating Subsidiaries, International Transmission Company (ITCTransmission), Michigan Electric Transmission Company, LLC (METC) and ITC Midwest LLC (ITC Midwest), is engaged in the transmission of electricity in the United States. The Company... more

The Long Island Power Authority, a non-profit municipal electric provider, owns the transmission and distribution system on Long Island and provides electric service to more than 1.1 million customers in Nassau and Suffolk counties and the Rockaway Peninsula in Queens. LIPA is the 2nd... more

Trans-Elect is committed to making America's electric transmission grid more reliable by developing, building or purchasing transmission systems and operating those systems efficiently to expand capacity and lower costs.

The United Illuminating Company is an electric transmission and distribution utility based in New Haven, Connecticut. Our service territory consists of 17 municipalities located in a coastal region that... more

Georgia Transmission Corporation is a not-for-profit cooperative that provides electric transmission service to 39 Electric Membership Corporations (EMC) in Georgia. GTC is owned by these 39 EMCs, that in turn, are owned by the customers they serve. For 23 years, GTC was a part of... more

Located in the Pacific Northwest, Avista Energy provides electricity, natural gas and hydroelectric portfolio optimization and management, as well as risk management services. With its focus on Western energy markets, Avista Energy capitalizes on its knowledge of and experience with... more

SMECO is a member-owned electric cooperative serving more than 130,000 customers in four Southern Maryland counties. The Co-op has provided power to residential, commercial, and industrial customers for more than 60 years.

Besicorp is a senior management organization focused on the development of sustainable power projects and renewable energy initiatives. The company will utilize its proven expertise to: Develop clean-fuel independent power and industrial projects in an environmentally friendly manner. ... more

Bangor Hydro is the second largest electric utility in Maine. The Company serves a population of about 192,000 in an area encompassing approximately 5,275 square miles in eastern and east coastal Maine. The corporate office is located in Bangor, Maine and the Company has divisions in... more

Midwest ISO optimizes the efficiency of the interconnected system, provides regional solutions to regional planning needs and continually minimizes any risk to reliability.

METC is in the business of delivering your energy. Our objective is to facilitate the marketplace, deliver energy and improve customer value by making investments in transmission infrastructure in order to improve reliability of our system and reduce congestion and system losses,... more

The California ISO is a not-for-profit public-benefit corporation charged with operating the majority of California's high-voltage wholesale power grid. Balancing the demand for electricity with an equal supply of megawatts, the ISO is the impartial link between power plants and the... more

International Transmission's service territory covers 7,500 square miles in southeastern Michigan. This includes all or parts of 13 counties and metropolitan Detroit, an area with more than 4.9 million people. Its system comprises more than 2,500 pole-miles of overhead and underground... more

The NYISO is a not-for-profit organization formed in 1999 as part of the restructuring of New York State's electric power industry. Its mission is to ensure the reliable, safe and efficient operation of the State's major transmission system and to administer an open, competitive and... more

About 30 years later, Maine's electric restructuring law required Maine Public Service to sell its power plants. Since 2000, the Company no longer generates electricity, but remains responsible for delivering electric services. Now a wholly-owned subsidiary of Maine & Maritimes... more

TTC is a full-service supplier of manual transmissions. We design, develop, and manufacture a range of transmissions tailored to meet the needs of customers worldwide. We provide a full line of rear-wheel-drive manual transmissions and components, for vehicles ranging from... more

Western Massachusetts Electric Company, a subsidiary of Northeast Utilities, serves approximately 200,000 customers in 59 communities throughout western Massachusetts.

InfraSource is a leading provider of infrastructure services for electric power, gas, and telecommunications intensive industries in the United States. InfraSource designs, builds, and maintains transmission and distribution networks for utilities, power producers, and industrial... more

AltaLink is committed to developing new approaches to corporate giving and establishing strategic alliances with nonprofit partners in the communities in which we live and operate. Over the years, we have succeeded in building stronger communities by supporting programs that have ties to... more

Cap Rock Energy Corporation provides electric distribution services to over 35,000 meters in 28 counties in Texas. Its corporate office is located in Midland, Texas.

ColumbiaGrid is a non-profit membership corporation formed in 2006 to improve the operational efficiency, reliability, and planned expansion of the Pacific Northwest transmission grid. The corporation itself does not own transmission, but its members and the parties to its agreements own... more

VELCO, the nation's first ever "transmission only" company, was formed in 1956 as the most efficient solution for moving newly available St. Lawrence power into Vermont. In response to rising demand for services and the oil embargo of the early seventies, VELCO's role grew to include... more

Public Service Company of Colorado is an operating company of New Century Energies.

In 1992 the United States Congress enacted the National Energy Act, requiring open access to transmission to encourage competition in the electric utility industry. The Vermont Electric Power Company (VELCO), the first ever transmission only company in the United States, has been... more

GridSouth provides high capacity, high performance Grid Networking, 100 Mbps Internet service and managed web hosting services for the Microsoft Windows platform. All of GridSouth's product and service offerings are designed and built around the philosophy of "over-engineeringÔ" which... more

ITCTransmission is the first independently owned and operated electricity transmission company in the United States. ITCTransmission owns, operates and maintains a fully-regulated, high-voltage system that transmits electricity to local electric distribution facilities from generating... more

Neptune Power Ventures, LLC of Fairfield, Connecticut, is the sole managing member of Neptune Regional Transmission System, LLC (Neptune RTS), which is responsible for owning, constructing, and operating the more

GPU, Inc. is an international provider of energy-related infrastructure and services. Domestically, its Jersey Central Power & Light Company, Metropolitan Edison Company and Pennsylvania Electric Company electric utility subsidiaries, which do business as GPU Energy, serve 2 million... more