When is electricity greenest in Portugal?
Renewable energy forecast · updated 2026-08-04 08:34 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 39% of Portugal's electricity demand around 09:00 UTC.
- Renewable output peaks around 14:00 UTC at roughly 62% of demand — the greenest time to use electricity today.
- The renewable share dips to about 22% around 21:00 UTC, when grid electricity is at its most carbon-intensive.
Hourly forecast for Portugal
| Time (UTC) | Renewable (MW) | Demand (MW) | Surplus (MW) | Share |
|---|---|---|---|---|
| Tue 08:00 | 2158 | 6729 | -4571 | 32% |
| Tue 09:00 | 2647 | 6766 | -4119 | 39% |
| Tue 10:00 | 3138 | 6850 | -3712 | 46% |
| Tue 11:00 | 3468 | 6707 | -3239 | 52% |
| Tue 12:00 | 3736 | 6532 | -2796 | 57% |
| Tue 13:00 | 3936 | 6598 | -2662 | 60% |
| Tue 14:00 | 4051 | 6575 | -2524 | 62% |
| Tue 15:00 | 3880 | 6628 | -2748 | 59% |
| Tue 16:00 | 3508 | 6657 | -3149 | 53% |
| Tue 17:00 | 2987 | 6855 | -3868 | 44% |
| Tue 18:00 | 2308 | 7198 | -4890 | 32% |
| Tue 19:00 | 1850 | 7305 | -5455 | 25% |
| Tue 20:00 | 1587 | 7162 | -5575 | 22% |
| Tue 21:00 | 1469 | 6695 | -5226 | 22% |