When is electricity greenest in Portugal?
Renewable energy forecast · updated 2026-10-03 08:36 UTC
educk tracks how much of Portugal's electricity demand is met by wind and solar generation, using day-ahead forecasts from the ENTSO-E transparency platform. Use it to plan flexible energy use — charging an EV, running appliances or batteries — for when the grid is cleanest.
- Wind and solar are forecast to cover about 43% of Portugal's electricity demand around 09:00 UTC.
- Renewable output peaks around 11:00 UTC at roughly 45% of demand — the greenest time to use electricity today.
- The renewable share dips to about 6% around 18:00 UTC, when grid electricity is at its most carbon-intensive.
Hourly forecast for Portugal
| Time (UTC) | Renewable (MW) | Demand (MW) | Surplus (MW) | Share |
|---|---|---|---|---|
| Sat 07:00 | 1415 | 5406 | -3991 | 26% |
| Sat 08:00 | 1992 | 5566 | -3574 | 36% |
| Sat 09:00 | 2381 | 5573 | -3192 | 43% |
| Sat 10:00 | 2495 | 5569 | -3074 | 45% |
| Sat 11:00 | 2529 | 5615 | -3086 | 45% |
| Sat 12:00 | 2423 | 5464 | -3041 | 44% |
| Sat 13:00 | 2255 | 5395 | -3140 | 42% |
| Sat 14:00 | 2024 | 5371 | -3347 | 38% |
| Sat 15:00 | 1642 | 5438 | -3796 | 30% |
| Sat 16:00 | 1110 | 5645 | -4535 | 20% |
| Sat 17:00 | 543 | 5983 | -5440 | 9% |
| Sat 18:00 | 400 | 6543 | -6143 | 6% |
| Sat 19:00 | 503 | 6567 | -6064 | 8% |
| Sat 20:00 | 586 | 6158 | -5572 | 10% |
| Sat 21:00 | 684 | 5774 | -5090 | 12% |