The Portuguese state is returning to the capital of the power-grid operator Redes Energéticas Nacionais (REN) by purchasing a 13.7% stake from the investment firm Pontegadea. The acquisition, handled by the state holding company Parpública, marks a strategic move to regain influence over national electricity and gas networks. Prime Minister Luís Montenegro described the investment as a way to protect national interests and manage energy costs.
State re-enters energy sector with REN stake purchase
Friday, 14 August 2026AI summary

Context & Explainers
REN (Rede Eléctrica Nacional) is Portugal's operator for high-voltage electricity transmission and for gas transport infrastructure, responsible for running the transmission grid and keeping the system stable. It also publishes national electricity consumption data and is the main contact in cases of large-scale outages or transmission issues.
Parpública is a state-owned holding company (Parpública - Participações Públicas, SGPS, S.A.) that manages the Portuguese government's equity interests in various companies. It acts as the state's vehicle for handling privatization processes, such as the ongoing sale of a stake in the national airline, TAP Air Portugal.
6 sources
- State returns to REN by purchasing a 13.7% stake from Pontegadea, owner of Zaraexpresso.pt ·
- The State returns to REN's capital. Pontegadea sells 13.7% stake to Parpúblicaeco.sapo.pt ·
- State to buy 13.7% of REN from Zara ownerobservador.pt ·
- State returns to REN with purchase of 13.7% from Zara ownerpublico.pt ·
- Pontegadea sells 13.7% stake in REN to Parpúblicartp.pt ·
- Portugal Buys Stake in Grid Operator REN from Billionaire OrtegaBloomberg.com ·




