When is AWS eu-west-3 greenest?
Carbon-aware scheduling · updated 2026-10-16 21:19 UTC
The AWS eu-west-3 region runs in Paris, France, on the France 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 18% of France's electricity demand around 21:30 UTC.
- Renewable output peaks around 12:00 UTC at roughly 53% of demand — the greenest time to use electricity today.
- The renewable share dips to about 18% around 21:15 UTC, when grid electricity is at its most carbon-intensive.
Hourly grid forecast for AWS eu-west-3
| Time (UTC) | Renewable (MW) | Demand (MW) | Surplus (MW) | Share |
|---|---|---|---|---|
| Fri 21:15 | 7837 | 44000 | -36163 | 18% |
| Fri 21:30 | 7836 | 43400 | -35564 | 18% |
| Fri 21:45 | 7834 | 42850 | -35016 | 18% |
| Fri 22:00 | 8311 | 42900 | -34589 | 19% |
| Fri 22:15 | 8407 | 42150 | -33743 | 20% |
| Fri 22:30 | 8504 | 41400 | -32896 | 21% |
| Fri 22:45 | 8600 | 40650 | -32050 | 21% |
| Fri 23:00 | 8697 | 39900 | -31203 | 22% |
| Fri 23:15 | 8690 | 39650 | -30960 | 22% |
| Fri 23:30 | 8683 | 39400 | -30717 | 22% |
| Fri 23:45 | 8677 | 38850 | -30173 | 22% |
| Sat 00:00 | 8670 | 38300 | -29630 | 23% |
| Sat 00:15 | 8618 | 37650 | -29032 | 23% |
| Sat 00:30 | 8566 | 37000 | -28434 | 23% |
| Sat 00:45 | 8514 | 36200 | -27686 | 24% |
| Sat 01:00 | 8462 | 35400 | -26938 | 24% |
| Sat 01:15 | 8449 | 34900 | -26451 | 24% |
| Sat 01:30 | 8436 | 34400 | -25964 | 25% |
| Sat 01:45 | 8423 | 34250 | -25827 | 25% |
| Sat 02:00 | 8409 | 34100 | -25691 | 25% |
| Sat 02:15 | 8394 | 33750 | -25356 | 25% |
| Sat 02:30 | 8379 | 33400 | -25021 | 25% |
| Sat 02:45 | 8364 | 33300 | -24936 | 25% |
| Sat 03:00 | 8349 | 33200 | -24851 | 25% |
| Sat 03:15 | 8371 | 33400 | -25029 | 25% |
| Sat 03:30 | 8393 | 33600 | -25207 | 25% |
| Sat 03:45 | 8416 | 34200 | -25784 | 25% |
| Sat 04:00 | 8438 | 34800 | -26362 | 24% |
| Sat 04:15 | 8428 | 35250 | -26822 | 24% |
| Sat 04:30 | 8417 | 35700 | -27283 | 24% |
| Sat 04:45 | 8406 | 35950 | -27544 | 23% |
| Sat 05:00 | 8395 | 36200 | -27805 | 23% |
| Sat 05:15 | 8451 | 36800 | -28349 | 23% |
| Sat 05:30 | 8507 | 37400 | -28893 | 23% |
| Sat 05:45 | 8563 | 37650 | -29087 | 23% |
| Sat 06:00 | 8619 | 37900 | -29281 | 23% |
| Sat 06:15 | 8623 | 38500 | -29877 | 22% |
| Sat 06:30 | 8805 | 39100 | -30295 | 23% |
| Sat 06:45 | 9243 | 39700 | -30457 | 23% |
| Sat 07:00 | 9808 | 40300 | -30492 | 24% |
| Sat 07:15 | 10296 | 40800 | -30504 | 25% |
| Sat 07:30 | 10727 | 41300 | -30573 | 26% |
| Sat 07:45 | 11336 | 41700 | -30364 | 27% |
| Sat 08:00 | 11942 | 42100 | -30158 | 28% |
| Sat 08:15 | 12959 | 42400 | -29441 | 31% |
| Sat 08:30 | 13645 | 42700 | -29055 | 32% |
| Sat 08:45 | 14276 | 42800 | -28524 | 33% |
| Sat 09:00 | 14859 | 42900 | -28041 | 35% |
| Sat 09:15 | 16131 | 43200 | -27069 | 37% |
| Sat 09:30 | 17131 | 43500 | -26369 | 39% |
| Sat 09:45 | 17919 | 44100 | -26181 | 41% |
| Sat 10:00 | 18799 | 44700 | -25901 | 42% |
| Sat 10:15 | 19658 | 44500 | -24842 | 44% |
| Sat 10:30 | 20544 | 44300 | -23756 | 46% |
| Sat 10:45 | 21113 | 45000 | -23887 | 47% |
| Sat 11:00 | 21719 | 45700 | -23981 | 48% |
| Sat 11:15 | 22095 | 44650 | -22555 | 49% |
| Sat 11:30 | 22479 | 43600 | -21121 | 52% |
| Sat 11:45 | 22514 | 42950 | -20436 | 52% |
| Sat 12:00 | 22557 | 42300 | -19743 | 53% |
| Sat 12:15 | 22492 | 42900 | -20408 | 52% |
| Sat 12:30 | 22392 | 43500 | -21108 | 51% |
| Sat 12:45 | 22002 | 43150 | -21148 | 51% |
| Sat 13:00 | 21606 | 42800 | -21194 | 50% |
| Sat 13:15 | 21186 | 42000 | -20814 | 50% |
| Sat 13:30 | 20764 | 41200 | -20436 | 50% |
| Sat 13:45 | 20244 | 40800 | -20556 | 50% |
| Sat 14:00 | 19674 | 40400 | -20726 | 49% |
| Sat 14:15 | 19069 | 40250 | -21181 | 47% |
| Sat 14:30 | 18379 | 40100 | -21721 | 46% |
| Sat 14:45 | 17536 | 40050 | -22514 | 44% |
| Sat 15:00 | 16661 | 40000 | -23339 | 42% |
| Sat 15:15 | 15526 | 40150 | -24624 | 39% |
| Sat 15:30 | 14386 | 40300 | -25914 | 36% |
| Sat 15:45 | 13294 | 40900 | -27606 | 33% |
| Sat 16:00 | 12172 | 41500 | -29328 | 29% |
| Sat 16:15 | 11327 | 42300 | -30973 | 27% |
| Sat 16:30 | 10613 | 43100 | -32487 | 25% |
| Sat 16:45 | 10250 | 43800 | -33550 | 23% |
| Sat 17:00 | 9845 | 44500 | -34655 | 22% |
| Sat 17:15 | 9757 | 45350 | -35593 | 22% |
| Sat 17:30 | 9776 | 46200 | -36424 | 21% |
| Sat 17:45 | 9918 | 46000 | -36082 | 22% |
| Sat 18:00 | 10061 | 45800 | -35739 | 22% |
| Sat 18:15 | 10099 | 45100 | -35001 | 22% |
| Sat 18:30 | 10138 | 44400 | -34262 | 23% |
| Sat 18:45 | 10176 | 43750 | -33574 | 23% |
| Sat 19:00 | 10215 | 43100 | -32885 | 24% |
| Sat 19:15 | 10222 | 42550 | -32328 | 24% |
| Sat 19:30 | 10229 | 42000 | -31771 | 24% |
| Sat 19:45 | 10236 | 41450 | -31214 | 25% |
| Sat 20:00 | 10243 | 40900 | -30657 | 25% |
| Sat 20:15 | 10118 | 41600 | -31482 | 24% |
| Sat 20:30 | 9992 | 42300 | -32308 | 24% |
| Sat 20:45 | 9867 | 43000 | -33133 | 23% |
| Sat 21:00 | 9741 | 43700 | -33959 | 22% |
| Sat 21:15 | 9573 | 43150 | -33577 | 22% |
| Sat 21:30 | 9405 | 42600 | -33195 | 22% |
| Sat 21:45 | 9236 | 42500 | -33264 | 22% |