When is AWS eu-south-2 greenest?
Carbon-aware scheduling · updated 2026-10-16 21:33 UTC
The AWS eu-south-2 region runs in Zaragoza, Spain, on the Spain electricity grid. educk forecasts when that grid is greenest — using day-ahead wind & solar and demand data from ENTSO-E — so you can schedule carbon-aware workloads (batch jobs, CI, model training, backups, data pipelines) for the cleanest hours.
- Wind and solar are forecast to cover about 39% of Spain's electricity demand around 21:45 UTC.
- Renewable output peaks around 14:00 UTC at roughly 100% of demand — the greenest time to use electricity today.
- The renewable share dips to about 39% around 21:30 UTC, when grid electricity is at its most carbon-intensive.
Hourly grid forecast for AWS eu-south-2
| Time (UTC) | Renewable (MW) | Demand (MW) | Surplus (MW) | Share |
|---|---|---|---|---|
| Fri 21:30 | 9659 | 24999 | -15340 | 39% |
| Fri 21:45 | 9710 | 24606 | -14896 | 39% |
| Fri 22:00 | 9541 | 24353 | -14812 | 39% |
| Fri 22:15 | 9607 | 24014 | -14407 | 40% |
| Fri 22:30 | 9653 | 23697 | -14044 | 41% |
| Fri 22:45 | 9685 | 23399 | -13714 | 41% |
| Fri 23:00 | 9710 | 23099 | -13389 | 42% |
| Fri 23:15 | 9734 | 22827 | -13093 | 43% |
| Fri 23:30 | 9761 | 22566 | -12805 | 43% |
| Fri 23:45 | 9792 | 22318 | -12526 | 44% |
| Sat 00:00 | 9826 | 22045 | -12219 | 45% |
| Sat 00:15 | 9853 | 21838 | -11985 | 45% |
| Sat 00:30 | 9878 | 21658 | -11780 | 46% |
| Sat 00:45 | 9899 | 21503 | -11604 | 46% |
| Sat 01:00 | 9916 | 21338 | -11422 | 46% |
| Sat 01:15 | 9937 | 21222 | -11285 | 47% |
| Sat 01:30 | 9959 | 21120 | -11161 | 47% |
| Sat 01:45 | 9982 | 21028 | -11046 | 47% |
| Sat 02:00 | 10007 | 20934 | -10927 | 48% |
| Sat 02:15 | 10033 | 20851 | -10818 | 48% |
| Sat 02:30 | 10062 | 20770 | -10708 | 48% |
| Sat 02:45 | 10087 | 20706 | -10619 | 49% |
| Sat 03:00 | 10134 | 20562 | -10428 | 49% |
| Sat 03:15 | 10137 | 20590 | -10453 | 49% |
| Sat 03:30 | 10123 | 20686 | -10563 | 49% |
| Sat 03:45 | 10095 | 20844 | -10749 | 48% |
| Sat 04:00 | 10062 | 20988 | -10926 | 48% |
| Sat 04:15 | 10027 | 21234 | -11207 | 47% |
| Sat 04:30 | 9988 | 21507 | -11519 | 46% |
| Sat 04:45 | 9946 | 21800 | -11854 | 46% |
| Sat 05:00 | 9929 | 22106 | -12177 | 45% |
| Sat 05:15 | 9853 | 22418 | -12565 | 44% |
| Sat 05:30 | 9754 | 22729 | -12975 | 43% |
| Sat 05:45 | 9638 | 23039 | -13401 | 42% |
| Sat 06:00 | 9578 | 23361 | -13783 | 41% |
| Sat 06:15 | 9670 | 23669 | -13999 | 41% |
| Sat 06:30 | 9931 | 23975 | -14044 | 41% |
| Sat 06:45 | 10359 | 24276 | -13917 | 43% |
| Sat 07:00 | 12181 | 24611 | -12430 | 49% |
| Sat 07:15 | 13402 | 24889 | -11487 | 54% |
| Sat 07:30 | 14772 | 25147 | -10375 | 59% |
| Sat 07:45 | 16012 | 25367 | -9355 | 63% |
| Sat 08:00 | 18340 | 25688 | -7348 | 71% |
| Sat 08:15 | 19662 | 25775 | -6113 | 76% |
| Sat 08:30 | 20718 | 25772 | -5054 | 80% |
| Sat 08:45 | 21519 | 25701 | -4182 | 84% |
| Sat 09:00 | 22531 | 25592 | -3061 | 88% |
| Sat 09:15 | 22403 | 25471 | -3068 | 88% |
| Sat 09:30 | 22778 | 25365 | -2587 | 90% |
| Sat 09:45 | 23160 | 25287 | -2127 | 92% |
| Sat 10:00 | 23631 | 25160 | -1529 | 94% |
| Sat 10:15 | 23867 | 25161 | -1294 | 95% |
| Sat 10:30 | 24036 | 25209 | -1173 | 95% |
| Sat 10:45 | 24132 | 25284 | -1152 | 95% |
| Sat 11:00 | 24243 | 25423 | -1180 | 95% |
| Sat 11:15 | 24244 | 25480 | -1236 | 95% |
| Sat 11:30 | 24220 | 25494 | -1274 | 95% |
| Sat 11:45 | 24176 | 25453 | -1277 | 95% |
| Sat 12:00 | 24085 | 25487 | -1402 | 94% |
| Sat 12:15 | 24031 | 25309 | -1278 | 95% |
| Sat 12:30 | 23981 | 25056 | -1075 | 96% |
| Sat 12:45 | 23886 | 24762 | -876 | 96% |
| Sat 13:00 | 23763 | 24369 | -606 | 98% |
| Sat 13:15 | 23663 | 24119 | -456 | 98% |
| Sat 13:30 | 23529 | 23946 | -417 | 98% |
| Sat 13:45 | 23314 | 23849 | -535 | 98% |
| Sat 14:00 | 23625 | 23707 | -82 | 100% |
| Sat 14:15 | 23322 | 23740 | -418 | 98% |
| Sat 14:30 | 22833 | 23827 | -994 | 96% |
| Sat 14:45 | 23103 | 23951 | -848 | 96% |
| Sat 15:00 | 22937 | 24091 | -1154 | 95% |
| Sat 15:15 | 22034 | 24242 | -2208 | 91% |
| Sat 15:30 | 21011 | 24389 | -3378 | 86% |
| Sat 15:45 | 19870 | 24539 | -4669 | 81% |
| Sat 16:00 | 19226 | 24640 | -5414 | 78% |
| Sat 16:15 | 17980 | 24842 | -6862 | 72% |
| Sat 16:30 | 16826 | 25087 | -8261 | 67% |
| Sat 16:45 | 15808 | 25371 | -9563 | 62% |
| Sat 17:00 | 15069 | 25663 | -10594 | 59% |
| Sat 17:15 | 14435 | 26004 | -11569 | 56% |
| Sat 17:30 | 14046 | 26358 | -12312 | 53% |
| Sat 17:45 | 13859 | 26694 | -12835 | 52% |
| Sat 18:00 | 13718 | 27180 | -13462 | 50% |
| Sat 18:15 | 13750 | 27377 | -13627 | 50% |
| Sat 18:30 | 13777 | 27457 | -13680 | 50% |
| Sat 18:45 | 13804 | 27413 | -13609 | 50% |
| Sat 19:00 | 13767 | 27488 | -13721 | 50% |
| Sat 19:15 | 13774 | 27187 | -13413 | 51% |
| Sat 19:30 | 13768 | 26763 | -12995 | 51% |
| Sat 19:45 | 13750 | 26256 | -12506 | 52% |
| Sat 20:00 | 13732 | 25691 | -11959 | 53% |
| Sat 20:15 | 13716 | 25154 | -11438 | 55% |
| Sat 20:30 | 13706 | 24660 | -10954 | 56% |
| Sat 20:45 | 13696 | 24207 | -10511 | 57% |
| Sat 21:00 | 13700 | 23771 | -10071 | 58% |
| Sat 21:15 | 13655 | 23362 | -9707 | 58% |
| Sat 21:30 | 13587 | 22958 | -9371 | 59% |
| Sat 21:45 | 13500 | 22565 | -9065 | 60% |