Portugal ran its entire country on renewable energy for six straight days — and wind made it possible.
In 2023, Portugal achieved something extraordinary: 100% of its national electricity demand was met by renewables for 149 consecutive hours. Wind, hydro, and solar carried the entire nation. Not a single megawatt from fossil fuels. For six days, a country of 10 million people ran completely clean.
Wind energy is Portugal's backbone. The country's rugged Atlantic coastline and mountainous interior create ideal conditions for wind generation. Portugal operates over 5,600 wind turbines generating more than 14 GW of installed capacity — remarkable for a mid-sized nation.
Portuguese wind farms like Alto Minho and Gardunha are engineering landmarks, built across dramatic mountain ridges with views stretching to the Atlantic. The turbines here spin in some of Europe's strongest and most consistent wind corridors.
Portugal's electricity grid operator REN has mastered the art of balancing variable renewables with hydropower — using dammed reservoirs as giant batteries, pumping water uphill when wind is abundant and releasing it when wind drops. This pumped hydro storage system gives Portugal extraordinary flexibility in managing clean power flows.
The country is now targeting 80% renewable electricity by 2026 and 100% by 2040 — goals that looked ambitious five years ago but now appear achievable ahead of schedule.
Portugal spends billions less on fossil fuel imports than it did a decade ago. That money stays in the Portuguese economy, creating jobs and energy security simultaneously.
REN — Redes Energéticas Nacionais — 2024
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