When is electricity greenest in Portugal?
Renewable energy forecast · updated 2026-07-21 16:04 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 31% of Portugal's electricity demand around 17:00 UTC.
- Renewable output peaks around 12:00 UTC at roughly 58% of demand — the greenest time to use electricity today.
- The renewable share dips to about 6% around 05:00 UTC, when grid electricity is at its most carbon-intensive.
Hourly forecast for Portugal
| Time (UTC) | Renewable (MW) | Demand (MW) | Surplus (MW) | Share |
|---|---|---|---|---|
| Tue 15:00 | 3259 | 6586 | -3327 | 49% |
| Tue 16:00 | 2735 | 6615 | -3880 | 41% |
| Tue 17:00 | 2090 | 6768 | -4678 | 31% |
| Tue 18:00 | 1330 | 7254 | -5924 | 18% |
| Tue 19:00 | 821 | 7377 | -6556 | 11% |
| Tue 20:00 | 651 | 7289 | -6638 | 9% |
| Tue 21:00 | 609 | 6855 | -6246 | 9% |
| Tue 22:00 | 498 | 6313 | -5814 | 8% |
| Tue 23:00 | 441 | 5843 | -5402 | 8% |
| Wed 00:00 | 389 | 5505 | -5116 | 7% |
| Wed 01:00 | 344 | 5268 | -4924 | 7% |
| Wed 02:00 | 314 | 5135 | -4821 | 6% |
| Wed 03:00 | 297 | 5058 | -4761 | 6% |
| Wed 04:00 | 286 | 5103 | -4818 | 6% |
| Wed 05:00 | 294 | 5339 | -5045 | 6% |
| Wed 06:00 | 633 | 5853 | -5220 | 11% |
| Wed 07:00 | 1258 | 6562 | -5304 | 19% |
| Wed 08:00 | 2100 | 6790 | -4690 | 31% |
| Wed 09:00 | 2776 | 6682 | -3906 | 42% |
| Wed 10:00 | 3428 | 6662 | -3234 | 51% |
| Wed 11:00 | 3629 | 6522 | -2893 | 56% |
| Wed 12:00 | 3713 | 6420 | -2707 | 58% |
| Wed 13:00 | 3709 | 6545 | -2836 | 57% |
| Wed 14:00 | 3701 | 6609 | -2908 | 56% |
| Wed 15:00 | 3583 | 6640 | -3057 | 54% |
| Wed 16:00 | 3165 | 6651 | -3486 | 48% |