When is electricity greenest in Portugal?
Renewable energy forecast · updated 2026-10-22 20:47 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 41% of Portugal's electricity demand around 22:00 UTC.
- Renewable output peaks around 14:00 UTC at roughly 50% of demand — the greenest time to use electricity today.
- The renewable share dips to about 21% 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 |
|---|---|---|---|---|
| Thu 22:00 | 2404 | 5909 | -3505 | 41% |
| Thu 23:00 | 2382 | 5459 | -3077 | 44% |
| Fri 00:00 | 2290 | 5173 | -2883 | 44% |
| Fri 01:00 | 2146 | 4956 | -2810 | 43% |
| Fri 02:00 | 1978 | 4815 | -2836 | 41% |
| Fri 03:00 | 1786 | 4764 | -2978 | 37% |
| Fri 04:00 | 1604 | 4875 | -3271 | 33% |
| Fri 05:00 | 1509 | 5271 | -3762 | 29% |
| Fri 06:00 | 1466 | 6001 | -4535 | 24% |
| Fri 07:00 | 1624 | 6706 | -5082 | 24% |
| Fri 08:00 | 2114 | 6879 | -4765 | 31% |
| Fri 09:00 | 2651 | 6686 | -4035 | 40% |
| Fri 10:00 | 2782 | 6533 | -3752 | 43% |
| Fri 11:00 | 2740 | 6292 | -3552 | 44% |
| Fri 12:00 | 2803 | 6130 | -3327 | 46% |
| Fri 13:00 | 2882 | 6253 | -3371 | 46% |
| Fri 14:00 | 3113 | 6277 | -3164 | 50% |
| Fri 15:00 | 3009 | 6431 | -3422 | 47% |
| Fri 16:00 | 2220 | 6592 | -4372 | 34% |
| Fri 17:00 | 1605 | 6937 | -5332 | 23% |
| Fri 18:00 | 1592 | 7583 | -5991 | 21% |
| Fri 19:00 | 1600 | 7391 | -5790 | 22% |
| Fri 20:00 | 1548 | 6889 | -5341 | 22% |
| Fri 21:00 | 1469 | 6375 | -4906 | 23% |