What we do

REN

The network of all networks

REN – Redes Energéticas Nacionais is the company responsible for the transmission of very-high voltage electricity and gas, the overall technical management of the Electricity System and of the Gas System, as well as for the reception, storage, and regasification of Liquefied Natural Gas and for the underground storage of natural gas.

Fully owned by REN, REN Portgás is the company responsible for the development and operation of the public natural gas distribution network in 29 municipalities of the northern coastal region of Portugal, in the districts of Porto, Braga, and Viana do Castelo. Under a concession contract signed with the Portuguese Government until 2048, REN Portgás is currently the largest distributor as regards network length (over 5,000 km) and has more than 25% of the country’s total customers, whose consumption represents around 30% of the gas distributed domestically.

National Electricity Transport Network

2021
9 424km

National Gas Transport Network

2022
1 375km

Electricity

REN – Rede Elétrica Nacional is the entity responsible for the transmission of electricity in Portugal and operates the Portuguese National Transmission Grid. REN connects producers to consumption centres, ensures a balance between energy demand and supply, meeting quality and safety criteria. A mission carried out according to principles of transparency, objectivity, economic efficiency, and with a strong commitment to sustainable development.

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Gas

REN Gasodutos is the entity responsible for operating the Portuguese National Gas Transmission Network. It receives the gas at the Spanish border, at the exit of the storage facilities (under the purview of REN Armazenagem) or at the natural gas regasification terminal (under the purview of REN Atlântico) and delivers it to distributors or final high-pressure customers, meeting quality and safety criteria. A mission carried out according to principles of transparency, objectivity, economic efficiency, and with a strong commitment to sustainable development.

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Get to know better the National Energy Networks, with data and analysis in real time, monthly or yearly.

REN Data Hub

REN Group

Other REN activity areas

We develop a set of complementary activities in the energy sector and provide specialized engineering services in the areas of electricity, gas and telecommunications.

Telecommunications

Telecommunications

RENTELECOM positions itself in the corporate market with a special focus on the utilities and telecommunications operators segments.

Metrology Laboratory

Metrology Laboratory

The Metrology Laboratory of REN Gasodutos, S.A. provides calibration services for the equipment that make up the NG Measurement Systems.

Consulting and services

Consulting and services

REN sells specialized engineering services, taking advantage of the knowledge of the operational areas of the Group's companies.

Guarantees of Origin

Guarantees of Origin

REN is the entity responsible for issuing Guarantees of Origin in Portugal.

REN Trading

REN Trading

REN - Trading's main corporate purpose is the purchase, sale, import and export of electricity and the purchase and sale of power and system services

Main projects
Find out about the main projects developed by REN in the National Electricity Transport Network and in the National Gas Transport Network.

Where we are

REN's international presence

Transemel

Predominantly located in northern Chile, Transemel operates 92 km of power transmission lines and five substations.

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Electrogas

Electrogas SA has 165.6 km of reversible gas pipelines in operation in Chile.

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Cahora Bassa

The Cahora Bassa dam, located in Tete province, central-west Mozambique, is operated by Hidroeléctrica de Cahora Bassa (HCB).

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