When is electricity greenest in Spain?
Renewable energy forecast · updated 2026-10-03 08:36 UTC
educk tracks how much of Spain'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 57% of Spain's electricity demand around 08:45 UTC.
- Renewable output peaks around 13:00 UTC at roughly 75% of demand — the greenest time to use electricity today.
- The renewable share dips to about 21% around 19:00 UTC, when grid electricity is at its most carbon-intensive.
Hourly forecast for Spain
| Time (UTC) | Renewable (MW) | Demand (MW) | Surplus (MW) | Share |
|---|---|---|---|---|
| Sat 07:45 | 10842 | 26047 | -15205 | 42% |
| Sat 08:00 | 12317 | 26341 | -14024 | 47% |
| Sat 08:15 | 13427 | 26471 | -13044 | 51% |
| Sat 08:30 | 14411 | 26547 | -12136 | 54% |
| Sat 08:45 | 15034 | 26575 | -11541 | 57% |
| Sat 09:00 | 15872 | 26611 | -10739 | 60% |
| Sat 09:15 | 16483 | 26573 | -10090 | 62% |
| Sat 09:30 | 16995 | 26518 | -9523 | 64% |
| Sat 09:45 | 17426 | 26461 | -9035 | 66% |
| Sat 10:00 | 17284 | 26348 | -9064 | 66% |
| Sat 10:15 | 17863 | 26345 | -8482 | 68% |
| Sat 10:30 | 18347 | 26390 | -8043 | 70% |
| Sat 10:45 | 18617 | 26463 | -7846 | 70% |
| Sat 11:00 | 19090 | 26603 | -7513 | 72% |
| Sat 11:15 | 19168 | 26655 | -7487 | 72% |
| Sat 11:30 | 19197 | 26659 | -7462 | 72% |
| Sat 11:45 | 19188 | 26610 | -7422 | 72% |
| Sat 12:00 | 19633 | 26618 | -6985 | 74% |
| Sat 12:15 | 19714 | 26449 | -6735 | 75% |
| Sat 12:30 | 19663 | 26221 | -6558 | 75% |
| Sat 12:45 | 19523 | 25960 | -6437 | 75% |
| Sat 13:00 | 19298 | 25625 | -6327 | 75% |
| Sat 13:15 | 18978 | 25391 | -6413 | 75% |
| Sat 13:30 | 18586 | 25212 | -6626 | 74% |
| Sat 13:45 | 18084 | 25088 | -7004 | 72% |
| Sat 14:00 | 17842 | 24926 | -7084 | 72% |
| Sat 14:15 | 17502 | 24902 | -7400 | 70% |
| Sat 14:30 | 17100 | 24922 | -7822 | 69% |
| Sat 14:45 | 16627 | 24977 | -8350 | 67% |
| Sat 15:00 | 17005 | 25028 | -8023 | 68% |
| Sat 15:15 | 16321 | 25128 | -8807 | 65% |
| Sat 15:30 | 15549 | 25239 | -9690 | 62% |
| Sat 15:45 | 14527 | 25360 | -10833 | 57% |
| Sat 16:00 | 13763 | 25470 | -11707 | 54% |
| Sat 16:15 | 12582 | 25604 | -13022 | 49% |
| Sat 16:30 | 11259 | 25746 | -14487 | 44% |
| Sat 16:45 | 9941 | 25916 | -15975 | 38% |
| Sat 17:00 | 8918 | 26007 | -17089 | 34% |
| Sat 17:15 | 7877 | 26297 | -18420 | 30% |
| Sat 17:30 | 7052 | 26667 | -19615 | 26% |
| Sat 17:45 | 6468 | 27071 | -20603 | 24% |
| Sat 18:00 | 6094 | 27666 | -21572 | 22% |
| Sat 18:15 | 6071 | 27955 | -21884 | 22% |
| Sat 18:30 | 6055 | 28104 | -22049 | 22% |
| Sat 18:45 | 6044 | 28106 | -22062 | 22% |
| Sat 19:00 | 6040 | 28229 | -22189 | 21% |
| Sat 19:15 | 6039 | 27948 | -21909 | 22% |
| Sat 19:30 | 6043 | 27539 | -21496 | 22% |
| Sat 19:45 | 6056 | 27041 | -20985 | 22% |
| Sat 20:00 | 6056 | 26487 | -20431 | 23% |
| Sat 20:15 | 6099 | 25953 | -19854 | 24% |
| Sat 20:30 | 6161 | 25460 | -19299 | 24% |
| Sat 20:45 | 6228 | 25007 | -18779 | 25% |
| Sat 21:00 | 6353 | 24570 | -18217 | 26% |
| Sat 21:15 | 6295 | 24157 | -17862 | 26% |
| Sat 21:30 | 6281 | 23749 | -17468 | 26% |
| Sat 21:45 | 6317 | 23350 | -17033 | 27% |