When is electricity greenest in Spain?
Renewable energy forecast · updated 2026-09-05 00:03 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 19% of Spain's electricity demand around 00:15 UTC.
- Renewable output peaks around 12:30 UTC at roughly 87% of demand — the greenest time to use electricity today.
- The renewable share dips to about 15% around 05:45 UTC, when grid electricity is at its most carbon-intensive.
Hourly forecast for Spain
| Time (UTC) | Renewable (MW) | Demand (MW) | Surplus (MW) | Share |
|---|---|---|---|---|
| Sat 00:00 | 5528 | 27152 | -21624 | 20% |
| Sat 00:15 | 5234 | 26864 | -21630 | 19% |
| Sat 00:30 | 5292 | 26596 | -21304 | 20% |
| Sat 00:45 | 5169 | 26350 | -21181 | 20% |
| Sat 01:00 | 5003 | 26080 | -21077 | 19% |
| Sat 01:15 | 4747 | 25885 | -21138 | 18% |
| Sat 01:30 | 4659 | 25718 | -21059 | 18% |
| Sat 01:45 | 4586 | 25570 | -20984 | 18% |
| Sat 02:00 | 4502 | 25427 | -20925 | 18% |
| Sat 02:15 | 4598 | 25293 | -20695 | 18% |
| Sat 02:30 | 4547 | 25158 | -20611 | 18% |
| Sat 02:45 | 4505 | 25037 | -20532 | 18% |
| Sat 03:00 | 4464 | 24833 | -20369 | 18% |
| Sat 03:15 | 4430 | 24808 | -20378 | 18% |
| Sat 03:30 | 4396 | 24856 | -20460 | 18% |
| Sat 03:45 | 4363 | 24964 | -20601 | 17% |
| Sat 04:00 | 4348 | 25084 | -20736 | 17% |
| Sat 04:15 | 4293 | 25250 | -20957 | 17% |
| Sat 04:30 | 4222 | 25418 | -21196 | 17% |
| Sat 04:45 | 4140 | 25585 | -21445 | 16% |
| Sat 05:00 | 4058 | 25749 | -21691 | 16% |
| Sat 05:15 | 3977 | 25916 | -21939 | 15% |
| Sat 05:30 | 3937 | 26087 | -22150 | 15% |
| Sat 05:45 | 3932 | 26273 | -22341 | 15% |
| Sat 06:00 | 4873 | 26407 | -21534 | 18% |
| Sat 06:15 | 5576 | 26662 | -21086 | 21% |
| Sat 06:30 | 6517 | 26967 | -20450 | 24% |
| Sat 06:45 | 7656 | 27308 | -19652 | 28% |
| Sat 07:00 | 10120 | 27695 | -17575 | 37% |
| Sat 07:15 | 11746 | 28047 | -16301 | 42% |
| Sat 07:30 | 13382 | 28377 | -14995 | 47% |
| Sat 07:45 | 14944 | 28678 | -13734 | 52% |
| Sat 08:00 | 17190 | 29029 | -11839 | 59% |
| Sat 08:15 | 18599 | 29257 | -10658 | 64% |
| Sat 08:30 | 19824 | 29443 | -9619 | 67% |
| Sat 08:45 | 20879 | 29590 | -8711 | 71% |
| Sat 09:00 | 22045 | 29746 | -7701 | 74% |
| Sat 09:15 | 22792 | 29838 | -7046 | 76% |
| Sat 09:30 | 23434 | 29913 | -6479 | 78% |
| Sat 09:45 | 24025 | 29988 | -5963 | 80% |
| Sat 10:00 | 24703 | 30005 | -5302 | 82% |
| Sat 10:15 | 25127 | 30135 | -5008 | 83% |
| Sat 10:30 | 25471 | 30314 | -4843 | 84% |
| Sat 10:45 | 25760 | 30527 | -4767 | 84% |
| Sat 11:00 | 25231 | 30788 | -5557 | 82% |
| Sat 11:15 | 25473 | 31008 | -5535 | 82% |
| Sat 11:30 | 25738 | 31201 | -5463 | 82% |
| Sat 11:45 | 26862 | 31353 | -4491 | 86% |
| Sat 12:00 | 26047 | 31584 | -5537 | 82% |
| Sat 12:15 | 26171 | 31616 | -5445 | 83% |
| Sat 12:30 | 27322 | 31575 | -4253 | 87% |
| Sat 12:45 | 27195 | 31483 | -4288 | 86% |
| Sat 13:00 | 25277 | 31340 | -6063 | 81% |
| Sat 13:15 | 25130 | 31230 | -6100 | 80% |
| Sat 13:30 | 24970 | 31149 | -6179 | 80% |
| Sat 13:45 | 24775 | 31106 | -6331 | 80% |
| Sat 14:00 | 24896 | 31015 | -6119 | 80% |
| Sat 14:15 | 24583 | 31059 | -6476 | 79% |
| Sat 14:30 | 24203 | 31151 | -6948 | 78% |
| Sat 14:45 | 23754 | 31279 | -7525 | 76% |
| Sat 15:00 | 23692 | 31417 | -7725 | 75% |
| Sat 15:15 | 23841 | 31585 | -7744 | 75% |
| Sat 15:30 | 23022 | 31756 | -8734 | 72% |
| Sat 15:45 | 21305 | 31922 | -10617 | 67% |
| Sat 16:00 | 20928 | 32114 | -11186 | 65% |
| Sat 16:15 | 19738 | 32251 | -12513 | 61% |
| Sat 16:30 | 18380 | 32366 | -13986 | 57% |
| Sat 16:45 | 17330 | 32465 | -15135 | 53% |
| Sat 17:00 | 15613 | 32550 | -16937 | 48% |
| Sat 17:15 | 14293 | 32645 | -18352 | 44% |
| Sat 17:30 | 12500 | 32749 | -20249 | 38% |
| Sat 17:45 | 10844 | 32859 | -22015 | 33% |
| Sat 18:00 | 9463 | 32995 | -23532 | 29% |
| Sat 18:15 | 8329 | 33107 | -24778 | 25% |
| Sat 18:30 | 7569 | 33206 | -25637 | 23% |
| Sat 18:45 | 7113 | 33254 | -26141 | 21% |
| Sat 19:00 | 6882 | 33495 | -26613 | 21% |
| Sat 19:15 | 6780 | 33307 | -26527 | 20% |
| Sat 19:30 | 6675 | 32950 | -26275 | 20% |
| Sat 19:45 | 6569 | 32466 | -25897 | 20% |
| Sat 20:00 | 6467 | 31918 | -25451 | 20% |
| Sat 20:15 | 6363 | 31356 | -24993 | 20% |
| Sat 20:30 | 6262 | 30834 | -24572 | 20% |
| Sat 20:45 | 6165 | 30353 | -24188 | 20% |
| Sat 21:00 | 6078 | 29871 | -23793 | 20% |
| Sat 21:15 | 5989 | 29452 | -23463 | 20% |
| Sat 21:30 | 5902 | 29051 | -23149 | 20% |
| Sat 21:45 | 5814 | 28662 | -22848 | 20% |