When is electricity greenest in Portugal?
Renewable energy forecast · updated 2026-10-16 21:27 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 14% of Portugal's electricity demand around 22:00 UTC.
- Renewable output peaks around 12:00 UTC at roughly 65% of demand — the greenest time to use electricity today.
- The renewable share dips to about 14% around 20:00 UTC, when grid electricity is at its most carbon-intensive.
Hourly forecast for Portugal
| Time (UTC) | Renewable (MW) | Demand (MW) | Surplus (MW) | Share |
|---|---|---|---|---|
| Fri 20:00 | 948 | 6843 | -5895 | 14% |
| Fri 21:00 | 908 | 6352 | -5444 | 14% |
| Fri 22:00 | 827 | 5842 | -5015 | 14% |
| Fri 23:00 | 835 | 5277 | -4442 | 16% |
| Sat 00:00 | 868 | 5066 | -4198 | 17% |
| Sat 01:00 | 942 | 4825 | -3883 | 20% |
| Sat 02:00 | 1054 | 4691 | -3636 | 22% |
| Sat 03:00 | 1197 | 4615 | -3418 | 26% |
| Sat 04:00 | 1344 | 4613 | -3269 | 29% |
| Sat 05:00 | 1476 | 4781 | -3305 | 31% |
| Sat 06:00 | 1582 | 4979 | -3397 | 32% |
| Sat 07:00 | 1924 | 5288 | -3364 | 36% |
| Sat 08:00 | 2594 | 5529 | -2935 | 47% |
| Sat 09:00 | 3094 | 5546 | -2452 | 56% |
| Sat 10:00 | 3378 | 5544 | -2166 | 61% |
| Sat 11:00 | 3551 | 5530 | -1979 | 64% |
| Sat 12:00 | 3483 | 5355 | -1872 | 65% |
| Sat 13:00 | 3297 | 5267 | -1970 | 63% |
| Sat 14:00 | 3184 | 5247 | -2063 | 61% |
| Sat 15:00 | 2903 | 5388 | -2485 | 54% |
| Sat 16:00 | 2241 | 5577 | -3336 | 40% |
| Sat 17:00 | 1833 | 5879 | -4046 | 31% |
| Sat 18:00 | 2054 | 6495 | -4441 | 32% |
| Sat 19:00 | 2366 | 6381 | -4015 | 37% |
| Sat 20:00 | 2593 | 5966 | -3373 | 43% |
| Sat 21:00 | 2768 | 5596 | -2828 | 49% |