When is electricity greenest in Portugal?
Renewable energy forecast · updated 2026-06-06 13:57 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 73% of Portugal's electricity demand around 14:00 UTC.
- Renewable output peaks around 14:00 UTC at roughly 87% of demand — the greenest time to use electricity today.
- The renewable share dips to about 18% around 04:00 UTC, when grid electricity is at its most carbon-intensive.
Hourly forecast for Portugal
| Time (UTC) | Renewable (MW) | Demand (MW) | Surplus (MW) | Share |
|---|---|---|---|---|
| Sat 13:00 | 3543 | 4987 | -1444 | 71% |
| Sat 14:00 | 3582 | 4883 | -1301 | 73% |
| Sat 15:00 | 3439 | 4880 | -1441 | 70% |
| Sat 16:00 | 3137 | 5057 | -1920 | 62% |
| Sat 17:00 | 2830 | 5385 | -2555 | 53% |
| Sat 18:00 | 1952 | 5800 | -3848 | 34% |
| Sat 19:00 | 1358 | 5949 | -4590 | 23% |
| Sat 20:00 | 1269 | 5952 | -4683 | 21% |
| Sat 21:00 | 1214 | 5678 | -4464 | 21% |
| Sat 22:00 | 1069 | 5290 | -4221 | 20% |
| Sat 23:00 | 963 | 4930 | -3967 | 20% |
| Sun 00:00 | 914 | 4653 | -3739 | 20% |
| Sun 01:00 | 871 | 4446 | -3575 | 20% |
| Sun 02:00 | 836 | 4329 | -3494 | 19% |
| Sun 03:00 | 800 | 4251 | -3451 | 19% |
| Sun 04:00 | 767 | 4224 | -3457 | 18% |
| Sun 05:00 | 894 | 4164 | -3270 | 21% |
| Sun 06:00 | 1197 | 4240 | -3043 | 28% |
| Sun 07:00 | 1733 | 4407 | -2674 | 39% |
| Sun 08:00 | 2347 | 4558 | -2211 | 51% |
| Sun 09:00 | 2950 | 4652 | -1702 | 63% |
| Sun 10:00 | 3335 | 4800 | -1465 | 69% |
| Sun 11:00 | 3590 | 4910 | -1320 | 73% |
| Sun 12:00 | 3751 | 4692 | -941 | 80% |
| Sun 13:00 | 3867 | 4497 | -630 | 86% |
| Sun 14:00 | 3869 | 4424 | -555 | 87% |