Based in Kansas City, Mo., Aquila operates electricity and natural gas distribution utilities serving 1.3 million customers in seven U.S. states. The company also owns and operates power generation assets.

Enbridge Inc. (Enbridge) is an energy delivery company that transports natural gas and crude oil, which are used to heat homes, power transportation systems, and provide fuel and feedstock for industries. The Company’s activities are carried out through five business units: Liquids... more

Vestas Americas is the North American sales business unit of Vestas, the global leader in high-tech wind power systems and a driving force behind the development of the wind power industry. Vestas has sold 32 percent of the accumulated global megawatts of installed wind capacity, and has... more

CEI is the leading national marketer of wind-generated power. CEI markets power from most of the wind farms in the mid-Atlantic and New York. Marketing under the NewWind Energy� brand, CEI partners with leading electric suppliers to offer a wind energy choice directly to retail electric... more

Sempra Energy (Sempra) is an energy services holding company that, through its subsidiaries, develops energy infrastructure, operate utilities, and provide related products and services. The Company has five separately managed segments comprising Southern California Gas Company... more

DTE Energy Company is an energy company. The Company’s utility operations consist primarily of The Detroit Edison Company (Detroit Edison), which is a direct wholly owned subsidiary of DTE Energy Company and Michigan Consolidated Gas Company (MichCon), which is an indirect wholly owned... more

Airtricity is a world leading renewable energy company. As an integrated utility, the company is both a generator and supplier of green electricity. The company currently supplies renewable electricity to approximately 45,000 commercial customers in both the Republic of Ireland Wales and... more

Powergen is an anglo-american integrated energy company. In the it UK Powergen is a leading UK supplier of electricity, gas and telephone services to domestic and small business customers. With 3.2 million customer accounts it is the fastest growing of the major suppliers. In the UK,... more

FPL Energy is a leading clean energy provider with natural gas, wind, solar, hydroelectric and nuclear power plants in operation across the nation. FPL Energy is a subsidiary of FPL Group, Inc., one of the nation's largest providers of electricity-related services. Our portfolio of... more

Iberdrola SA is a Spain-based holding company primarily engaged in the energy sector. Together with its subsidiaries the Company forms Grupo Iberdrola, which operates in approximately 40 countries. In Spain, it is mainly engaged in the generation and supply of electricity and gas. It... more

Renewable Energy Corporation ASA (REC) was established in 1996 and has quickly become the world's leading integrated solar company. Today, REC is the world's largest producer of polysilicon and wafers for PV applications. REC is involved in all steps of the value chain, from production of... more

Gamesa is an international corporation, focused mainly on the renewable energy sector. In this field, its activity spans from the promotion, procurement and sale of solar and wind farms to the design, manufacturing and sale of wind turbines. Gamesa reached in 2005 a turn over 1.745... more

Native American majority-owned, NativeEnergy is a national marketer of carbon offsets and renewable energy credits (RECs), offering individuals and organizations a means to compensate for their global warming pollution, or to effectively power their homes and businesses with renewable... more

enXco develops, constructs, operates and manages wind energy projects throughout the United States. The strength of enXco is found in the Company's extensive experience and in the quality of its people. Since 1987, enXco has grown to become a leading provider of operation and... more

Enel S.p.A., (Enel) is an electricity operator in Italy. The Company produces, distributes, and sells electricity and gas across Europe, and North and Latin America. Enel has presence in 21 countries with approximately 80,000 megawatt of generating capacity and serves about 50 million... more

United Utilities, an operator of electricity distribution, water and wastewater networks in Northern England and a UK leader in environmental sustainability are providing some of the materials for the construction of the Boreal Forest Garden at the Chelsea Flower Show.

PPM Energy (www.ppmenergy.com), part of the IBERDROLA group of companies, has more than 2,000 megawatts (MW) of wind energy in operation or under construction. The strength of its renewable project pipeline has allowed the company to increase its 2010 target by more than 50 percent to at... 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

About Conergy: Conergy is one of the world's largest renewable energy companies and offers a broad range of products for both on-grid and off-grid applications including solar electric, solar thermal, solar driven water pumps, and small wind power systems.

3 Phases Energy Services offers green pricing program design and implementation services, retail and wholesale marketing of tradable renewable certificates (Green Certificates), 100 percent renewable electricity direct access services in California, and solar photovoltaic efficiency... more

Polaris Geothermal Inc. has been established upon the amalgamation of Polaris Geothermal Inc. (Polaris) and Iriana Resources Corporation (Iriana). Polaris acquired an interest in Polaris Energy Corp. (Energy), a Panamanian company which, indirectly, through its wholly owned Nicaraguan... more

Invenergy LLC is a leading energy company focused on the development, acquisition and management of large-scale power generation assets. Chicago based Invenergy LLC is a leading clean energy company focused on the development, ownership, operation and management of large-scale... more

The Massachusetts Technology Collaborative is the state's quasi-public economic development agency focused on growing the renewable energy sector and the state's knowledge-based economy. MTC administers the Renewable Energy Trust, which was established to generate the maximum economic and... more

Ameresco provides a wide range of energy plant development, design, construction and management services for energy conversion equipment (e.g., boilers, chillers, air compressors) and for onsite generation and power plant operation. We can also develop, finance, own and operate these... more

The Renewable Energy and Energy Efficiency Partnership (REEEP) is an active, global public-private partnership that structures policy and regulatory initiatives for clean energy, and facilitates financing for energy projects. The partnership was launched by the UK government at the... more

Pacific Hydro was founded in 1992, and since that time has developed an impressive range of hydro and wind projects in Australia and overseas. With a policy of not building any new dams, all our hydro projects have made use of either existing irrigation dams or run-of-water flows, while... more

Western GeoPower Corp. is a renewable energy company engaged in the acquisition and development of geothermal properties for the commercial production of electricity in Canada and the United States. The Company is in the process of developing its Geothermal Projects held for the potential... more

Energy Northwest is a joint operating agency (JOA), comprising 20 member public utilities from across the state of Washington. We are governed by two boards: a Board of Directors and an Executive Board. Our Board of Directors includes representatives from member utilities, while the... more

Ormat Industries Limited is an Israel-based, vertically integrated company, whose primary business is to develop, build, own and operate geothermal and recovered energy generation (REG) power plants, utilizing in-house designed and manufactured equipment. Additionally, the Company... more

The Zilkha Biomass Unit offers many economic and environmental advantages and benefits compared to traditional turbine-based electricity generating systems. Cogeneration power systems presently available in the marketplace are usually either combustion turbine-based systems utilizing... more

South Jersey Industries, Inc. (SJI) is an energy services holding company that provides a variety of energy related products and services through its wholly owned subsidiaries, South Jersey Gas Company (SJG), South Jersey Energy Company (SJE), South Jersey Resources Group, LLC (SJRG),... more

Covanta Energy is a world premier owner and operator of modern waste to energy (WTE) facilities. Covanta WTE plants convert municipal solid waste into renewable energy for numerous communities predominantly in the United States. The company also operates related infrastructure such as... more

Greenlight Energy is a national developer of large-scale wind energy projects. Founded in 2000 and based in Charlottesville, VA, Greenlight is helping to advance clean, efficient and renewable energy and provide greater economic opportunities to rural areas. Our role is to invest in new... more

We offer a complete family of power quality services. We go beyond the energy meter to find power quality solutions. We can help prevent future problems. We have the equipment and expertise to analyze power quality problems outside and inside customer facilities.

Sea Breeze designs its projects with a commitment to preserving and respecting the natural environment. Our projects will leave a minimal ecological footprint, so that we can produce truly green and renewable power for years to come. Well before construction takes place,we undertake... more

Wind Prospect grew out of Windcluster Ltd, a company established by Colin Palmer in 1988. Windcluster was one of the first wind energy developers in the UK and pioneered developments in the northwest of England. Its first project of five Vestas V27 turbines was commissioned in 1992 and... more

VESTAR specializes in identifying and implementing appropriate uses of energy-related technology and processes to conserve resources, improve performance and reduce costs. With more than 15 years of experience, VESTAR has created one of North America's largest diversified energy companies... more

Novera Energy Limited is an independent renewable energy developer and generator in the United Kingdom. The Company generates renewable power at 46 landfill gas, 10 hydro power stations and one operating wind farm site across the United Kingdom, with a total capacity of 118 megawatts. It... more

SeaWest offers the expertise and experience required for successful wind plant planning and design, development, and operation. Through three generations of wind energy technology, SeaWest has actively assembled a singular combination of project finance capability, technical expertise,... more

Catamount Energy Corporation, a renewable energy company based in Vermont, has been in the business of providing cost-competitive electricity in the United States and Europe for over 15 years. Catamount's existing portfolio is fueled by a diverse mix of renewable energy and... more

SkyPower's ‘Community Connection' program is designed to enhance quality of life in the communities where SkyPower projects are developed. A ‘Community Connection' fund is determined by a portion of the income generated by the sales of renewable power. The fund is donated to, managed... more

ESG delivers these facility and operational improvements through our commitment to: Delivering innovative solutions that increase comfort and productivity of our client partners while reducing their energy and operation costs Applying leading edge and proven technologies that preserve... more

Nexant is a major independent global business consulting firm focusing in the energy sector. It includes the largest specialized global petroleum and chemical industry-based consulting practice in the world, with key offices in London, New York, Houston, and Bangkok. We provide expert... 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

In 1994, a broad coalition of public-interest organizations and energy companies created the Renewable Northwest Project (RNP) to actively promote development of the region's untapped renewable resources. RNP has proven to be a forceful advocate for expanding solar, wind and geothermal... more

BrightSource Energy, Inc. designs and builds large scale solar plants that deliver low-cost solar energy in the form of steam and/or electricity, at prices competitive with fossil fuels, to industrial and utility customers worldwide. BrightSource Energy enables industrial and utility... more

Econergy International is a renewable Independent Power Producer with a 14-year track record in the Americas. Founded in 1994 as a consultancy, Econergy International began carbon brokerage activities in 2001 and investment activities in 2004 with the financial close of the CleanTech Fund... more

Finavera Renewables Inc. is a Canada-based company that is in the business of developing projects and technology in the clean renewable energy sector. The Company’s focus is to develop its wind and wave energy assets with a view to becoming an alternative energy producer. The Company... more

CESA is managed by Clean Energy Group, Inc. (CEG), a nonprofit 501(c)(3), publicly supported charitable organization. CEG (www.cleanegroup.org) was established in January 1998 to promote market-based actions to replace the existing electricity generation system with new, less polluting... more

We strive to help our customers receive their energy savings today and into the future. To achieve this goal, 3 actions must be implemented: Properly designed Properly installed Properly maintained Our services are designed to help you achieve these goals. If you believe Energy... more