ERDF - Electricité Réseau Distribution France is a fully-owned subsidiary of the edf group. It manages the electricity distribution networks across 95% of mainland france.
ERDF is also growing internationally with its subsidiary erdf-i offering service delivery and management of foreign distribution networks. This subsidiary is the first european distributor of electricity and was therefore chosen to coordinate the project grid4eu.

Enel Distribuzione S.p.A. is a Distribution System Operator (DSO) and a subsidiary of the Enel Group, the largest power company in Italy and the second largest publicly traded in Europe by installed capacity, which operates in the sectors of electricity and gas. Enel is present in 40 countries worldwide, has overall 96 000MW of net installed capacity.
Enel is also strongly committed to the development of renewable energy sources and to the implementation of new environmental friendly technologies. Today about 48% of the power generated by Enel globally is carbon free. It is the Technical Director of Grid4eu.

Iberdrola Distribucion is now the largest Spanish energy group, the world leader in wind energy and one of the five largest companies in the world by market capitalization.

Vattenfall Distribution is a part of Vattenfall Group, which have business in production - distribution and sales of electricity, heat and gas.
Vattenfall Distribution is a electricity distribution company have about 4,5 million of customers in Germany, Sweden and Finland.

CEZ Distribuce, a.s. is a part of CEZ Group.
CEZ Group is an established, integrated electricity conglomerate with operations in a number of countries in Central and Southeastern Europe and Turkey, headquartered in the Czech Republic. Its principal businesses encompass generation, trading, and distribution of power and heat, as well as coal mining.

RWE Deutschland AG (RWE DAG), is the operating company for electricity grids, gas and water supply, sales and energy efficiency in the RWE Group.
The company owns one of the largest distribution grids in Germany.
RWE Deutschland has subsidiaries for sales and distribution grid operation, grid services and gas storage facilities. Other owned companies pool the energy efficiency activities, including electro mobility, and the development and operation of smart systems metering energy consumption.

ABB is a Swedish-Helvetian group, headquartered in Zurich, and operates mainly in energy technologies and automation.
ABB is the largest builder of electricity networks in the world.

ARMINES is a contract research organization, partnering with large engineering schools in France.
Its purpose is industry research.

Comillas Pontifical University, located in Madrid (Spain), will be represented in the project by the Institute for Research in Technology (IIT). The Smart and Green Networks Group in the IIT is a reference in Spain for the economic and regulatory research in smart grids, and has participated in several EU funded projects on this topic.

eMeter is a software company based in San Mateo, that specializes in software for managing smart grid and smart meter technologies. The company was recently acquired by Siemens.

The Royal Institute of Technology (Kungliga Tekniska högskolan in Swedish, KTH) is an engineering school in Stockholm. KTH accounts for one-third of Sweden's technical research and engineering education capacity at university level.

The Catholic University of Leuven is a prestigious university at Belgium.

Landis + Gyr is a conglomerate that specializes in measuring devices and other technologies to manage scarce resources, based in Zoug (Switzerland).
It is the largest manufacturing company of electrical measuring instruments in the world.

RSE - The company's mission is to develop research programs in the electricity sector, addressed to the entire electricity grid.

Scottish Power is a vertically integrated energy company with its headquarters in Glasgow, Scotland. in 2006 it became a subsidiary of the Spanish utility Iberdrola.

Siemens is an international group of German specialized in high technology sectors and industry.
Siemens support the development smart grids with its Innovative solutions in the fields of smart metering.

Telvent is a global IT solutions and information services provider that improves the efficiency, safety and security of the world’s leading companies. To meet the needs of the evolving electric industry, Telvent has developed a full suite of Smart Grid solutions designed to arm utilities with the toolset necessary to take an active role in the rapidly emerging smart grid system. Telvent provides utilities with solutions that are built on an open architecture using common standards and can be easily integrated into existing technologies. Telvent is part of Schneider Electric.

ZIV is a Spanish company which is dedicated to designing, manufacturing and marketing equipment systems and digital areas of protection, the control-command, the measurement and communications for substation applications in the generation, transmission and distribution of electrical energy.

ALSTOM Grid, a subsidiary of ALSTOM Group, specializes in engineering and project management for large transmission projects, industrial energy supplies and power electronics solutions.

Cisco is the worldwide leader in networking.
Cisco® Smart Grid is a cross-technology solution that enables utilities and other organizations in the energy industry, standards-based IP networks to efficiently meet the demands of energy generation, distribution, storage, and consumption.

CURRENT is a leading global innovator of utility grid infrastructure and software solutions. IBERDROLA selected the company to provide advanced metering, transformer supervision, and network communications solutions for wide-scale deployment in Spain.

Itron Inc. (NYSE: ITRI) is a provider of intelligent metering, data collection and utility software.
Itron's products include electricity, gas, water and heat meters, data collection and communication systems, including automated meter reading (AMR) and advanced metering infrastructure (AMI); meter data management and related software applications; as well as project management, installation, and consulting services.

Grupo Ormazabal is an industrial holding company founded Spanish. It is one of the largest manufacturers of electrical equipment in Europe and one of the leading manufacturers of medium voltage switchgear.

Selta is Research and Development engineers Information network connectivity devices and communication solutions for the business market.

TUD is a university in Dortmund, Germany.
It is highly ranked in terms of its research performance in the areas of physics, electrical engineering, chemistry and economics

Iberdrola Generation includes electricity and gas generation and marketing in Spain and Portugal.

Electricite de France (EDF) is the main company of production and supply of electricity in France.
EDF is specialized in the entire process of production and distribution of electricity, the design of power plants to distribution to customers.