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.

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.

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.

Orsted is a renewable energy company based in Denmark. Co. is engaged in developing a renewables portfolio based on competences in offshore wind, bioenergy, and energy solutions. Co. is active in deploying offshore wind and converting existing coal- and gas-fired power stations to sustainable biomass, providing a heat and power supply which is both green and flexible. Co. divides its operations into four businesses: Wind Power, Bioenergy & Thermal Power, and Distribution & Customer Solutions. The Bioenergy & Thermal Power and Distribution & Customer Solutions businesses jointly constitute Co.'s Danish utility business. Co. maintains activities primarily in Northwestern Europe.

RWE is an electricity and gas company. The Conventional Power Generation segment consists of the activities of RWE Power, Essent and RWE npower. The Supply/Distribution Networks Germany segment supplies electricity, gas and heat. The Supply Netherlands/Belgium segment comprises the activities of Essent in the Netherlands. The Supply United Kingdom segment comprises the operations of RWE npower. The Central Eastern and South Eastern European segment contains activities in the Czech Republic, Hungary, Poland, Slovakia, Turkey and Croatia. The Renewables, Upstream Gas & Oil and Trading/Gas Midstream segments include the activities of RWE Innogy, RWE Dea and RWE Supply & Trading, respectively.