E.ON is an investor-owned energy company. The Generation global unit consists of all Co.'s existing (fossil and nuclear) generation assets in Europe. The Renewables unit is engaged in managing Co.'s carbonsourcing and renewables businesses. The Global Commodities unit buys and sells electricity, natural gas, liquefied natural gas, oil, coal, freight, biomass, and carbon allowances. The Exploration & Production unit is a active in the focus regions of the North Sea (U.K., Norway), Russia and North Africa. The New Build & Technology unit include Co.'s project-management and engineering operations to support the construction of new power plants and the operation of existing plants.

EDP Renovaveis is a renewable energy company based in Spain. Co. is engaged in activities related to the electricity sector, namely the planning, construction, operation and maintenance of electricity generating power stations, especially hydroelectric, mini-hydroelectric, wind, solar, thermal solar, photovoltaic, biomass and waste plants, among others. Co. designs, develops, manages and operates power plants. Co. generates electricity using renewable energy sources mostly wind energy. Co. owns EDP Renewables Europe that operates in several European countries and Horizon Wind Energy, which operates in the United States. Co. is a part of the Energias de Portugal group.

EDP Energias de Portugal is a utility company engaged as a generator, distributor and supplier of electricity in Portugal, and as an electricity generation company and a gas distributor in the Iberian Peninsula. In addition, Co. is a wind power operator with windfarms for energy generation in the Iberian Peninsula, the U.S., Canada, Brazil, France, Belgium, Italy, Poland and Romania and is engaged in developing wind projects in the U.K. Co. is also engaged in generating solar photovoltaic energy in Portugal, Romania and the U.S, and in Brazil it is engaged as an operator in electricity generation. As of Dec 31 2015, Co. had 9.7 million electricity customers and 1.4 million gas customers.

Electricite de France is an integrated energy company with a presence in a range of electricity-related businesses: nuclear, renewable and fossil-fuel fired energy production, transmission, distribution, marketing as well as energy management and efficiency services, along with energy trading. Co. is an integrated energy company engaged in all aspects of the energy business: generation, transmission, distribution, supply and trading of energies. Co. is an electricity operator in France and abroad. The breakdown used by Co. for its activities is as follows: France; United Kingdom; Italy; Other International; and Other activities.

Enel Societa Per Azioni is engaged in the generation and sale of electricity through its Generation, Energy Management and Sales Italy Division. Co. is also engaged in the distribution of electricity (Enel Distribuzione) and public and artistic lighting (Enel Sole) in Italy through its Infrastructure and Networks Division. Co.'s Iberia and Latin America Division coordinates Co.'s operations in the electricity and gas markets in Spain, Portugal and Latin America. Co.'s Engineering and Research Division manages the engineering processes related to the development and construction of power plants. Co.'s other divisions are the International Division as well as the Renewable Energy Division.

Engie is an industrial group, based in France, active in the fields of gas, electricity, energy services and the environment. Co. is an energy provider across the entire energy chain, in electricity and in natural gas, including: purchase, production and commercialization of natural gas and electricity; transport, distribution, management and development of major natural gas infrastructures; design and commercialization of energy services and environment-related services. Co.'s activities are conducted through five segments: Energy Europe, Energy International, Global Gas and LNG, Infrastructures, and Energy Services.

Fortum is an energy company. Co.'s operations are organised in five divisions: Hydro Power and Technology and Nuclear and Thermal Power, which are engaged in its hydro, nuclear and thermal power generation, services, portfolio management and trading as well as technology and research and development functions; Heat, Electricity Sales and Solutions, which consists of Co.'s combined heat and power production, district heating and business-to-business heating solutions, solar business, electricity sales and related customer offering; Russia, which consists of power and heat generation as well as heat distribution in Russia; and Distribution, which focuses on distribution activities in Sweden.

Iberdrola is a holding company. Through its subsidiaries, Co. operates in four segments: network business, which includes all the energy transmission and distribution activities, and other regulated activity originated in Spain, the U.K., the U.S. and Brazil; deregulated business, which includes electricity generation and sales businesses as well as gas trading and storage businesses carried on by Co. in Spain, Portugal, the U.K. and North America; renewable business, with activities related to renewable energies in Spain, the U.K., the U.S. and the rest of the world; and other businesses, including the engineering and construction businesses and the non-power businesses.

Innogy SE is a Germany-based company, which is primarily involved in the utilities industry. The Company operates as a provider of electricity and natural gas. The Company's operations are divided into three segments, namely Renewables, Grid and Infrastructure and Retail. The Company operates plants for electricity generation and production from renewable energy sources. The Company is active in Germany, the Netherlands, Austria, Poland, Romania, Croatia, Slovakia, Slovenia, the United Kingdom, among others.

Gas Natural SDG is a gas company based in Spain. Co. and its subsidiaries are primarily engaged in the supply, transportation, distribution and commercialization of piped natural gas, as well as the activities involving exploration and developing, supply, regasification, liquefaction and storage of natural gas, and the generation and commercialization of electricity. Co. operates mainly in Spain and also outside of Spain, especially in Latin America, Puerto Rico, Italy, France and Africa (through Maghreb-Europe gas pipeline and integrated LNG projects in Algeria).

Suez is active in each stage of the water and waste cycles. Co. is organized around three main segments: Water Europe (water distribution and treatment services, particularly under concession contracts, to individuals, local authorities and industrial clients); Waste Europe (waste collection and treatment services for local authorities and industrial clients; these services include collection, sorting, recycling, composting, energy recovery and landfilling for both non-hazardous and hazardous waste) and International (water, waste and engineering services, with a special focus on risk-management resulting from specific local environments by setting up partnerships).

Veolia Environnement provides environmental management services to public authorities, industrial and commercial services customers, and individuals worldwide. These services include the supply of water, the treatment and recovery of municipal or industrial effluent, waste collection, processing and recycling, the supply of heating and cooling services and the optimization of industrial processes. Co.'s business operations are conducted through three divisions, each specializing in a single business sector: Veolia Eau (Water), Veolia Energie (Dalkia, Energy Services) and Veolia Proprete (Environmental Services).

Verbund is a public utility company engaged in the generation and transmission of electricity from subsidiaries' hydro and thermal power stations located throughout Austria. Through its subsidiaries, Co. is involved in the planning and construction of water systems, hydroelectric power plants, river structures, sewage disposal systems, and high voltage transmission towers and lines. Co. generates, trades and sells electrical energy to power exchange buyers, traders, energy supply companies and industrial companies as well as households and commercial customers.