When is AWS eu-south-2 greenest?
Carbon-aware scheduling · updated 2026-08-04 08:37 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 75% of Spain's electricity demand around 08:45 UTC.
- Renewable output peaks around 11:45 UTC at roughly 81% of demand — the greenest time to use electricity today.
- The renewable share dips to about 20% around 19:45 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 |
|---|---|---|---|---|
| Tue 08:30 | 23461 | 31800 | -8339 | 74% |
| Tue 08:45 | 23974 | 31844 | -7870 | 75% |
| Tue 09:00 | 24120 | 31855 | -7735 | 76% |
| Tue 09:15 | 24200 | 31915 | -7715 | 76% |
| Tue 09:30 | 24437 | 32000 | -7563 | 76% |
| Tue 09:45 | 24895 | 32109 | -7214 | 78% |
| Tue 10:00 | 25292 | 32207 | -6915 | 79% |
| Tue 10:15 | 25483 | 32357 | -6874 | 79% |
| Tue 10:30 | 25616 | 32522 | -6906 | 79% |
| Tue 10:45 | 25774 | 32693 | -6919 | 79% |
| Tue 11:00 | 26317 | 32902 | -6585 | 80% |
| Tue 11:15 | 26622 | 33053 | -6431 | 81% |
| Tue 11:30 | 26868 | 33178 | -6310 | 81% |
| Tue 11:45 | 27029 | 33263 | -6234 | 81% |
| Tue 12:00 | 26736 | 33424 | -6688 | 80% |
| Tue 12:15 | 26601 | 33390 | -6789 | 80% |
| Tue 12:30 | 26544 | 33284 | -6740 | 80% |
| Tue 12:45 | 26505 | 33135 | -6630 | 80% |
| Tue 13:00 | 26000 | 32905 | -6905 | 79% |
| Tue 13:15 | 25855 | 32775 | -6920 | 79% |
| Tue 13:30 | 25763 | 32703 | -6940 | 79% |
| Tue 13:45 | 25649 | 32687 | -7038 | 78% |
| Tue 14:00 | 26116 | 32642 | -6526 | 80% |
| Tue 14:15 | 26152 | 32719 | -6567 | 80% |
| Tue 14:30 | 26048 | 32831 | -6783 | 79% |
| Tue 14:45 | 25796 | 32966 | -7170 | 78% |
| Tue 15:00 | 25897 | 33120 | -7223 | 78% |
| Tue 15:15 | 25399 | 33265 | -7866 | 76% |
| Tue 15:30 | 24791 | 33400 | -8609 | 74% |
| Tue 15:45 | 24475 | 33534 | -9059 | 73% |
| Tue 16:00 | 24638 | 33636 | -8998 | 73% |
| Tue 16:15 | 24059 | 33803 | -9744 | 71% |
| Tue 16:30 | 23320 | 34000 | -10680 | 69% |
| Tue 16:45 | 22412 | 34209 | -11797 | 66% |
| Tue 17:00 | 22108 | 34479 | -12371 | 64% |
| Tue 17:15 | 20553 | 34649 | -14096 | 59% |
| Tue 17:30 | 18675 | 34771 | -16096 | 54% |
| Tue 17:45 | 16451 | 34860 | -18409 | 47% |
| Tue 18:00 | 15134 | 34927 | -19793 | 43% |
| Tue 18:15 | 12798 | 35009 | -22211 | 37% |
| Tue 18:30 | 10830 | 35108 | -24278 | 31% |
| Tue 18:45 | 9259 | 35192 | -25933 | 26% |
| Tue 19:00 | 8033 | 35433 | -27400 | 23% |
| Tue 19:15 | 7307 | 35365 | -28058 | 21% |
| Tue 19:30 | 6911 | 35169 | -28258 | 20% |
| Tue 19:45 | 6845 | 34848 | -28003 | 20% |
| Tue 20:00 | 6826 | 34603 | -27777 | 20% |
| Tue 20:15 | 6812 | 34065 | -27253 | 20% |
| Tue 20:30 | 6798 | 33445 | -26647 | 20% |
| Tue 20:45 | 6784 | 32784 | -26000 | 21% |
| Tue 21:00 | 6747 | 32026 | -25279 | 21% |
| Tue 21:15 | 6206 | 31430 | -25224 | 20% |
| Tue 21:30 | 6674 | 30924 | -24250 | 22% |
| Tue 21:45 | 6613 | 30488 | -23875 | 22% |