When is AWS eu-west-3 greenest?
Carbon-aware scheduling · updated 2026-08-01 10:45 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 45% of France's electricity demand around 11:00 UTC.
- Renewable output peaks around 12:00 UTC at roughly 48% of demand — the greenest time to use electricity today.
- The renewable share dips to about 8% around 19:15 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 |
|---|---|---|---|---|
| Sat 10:45 | 20565 | 45850 | -25285 | 45% |
| Sat 11:00 | 20809 | 46400 | -25591 | 45% |
| Sat 11:15 | 20980 | 45750 | -24770 | 46% |
| Sat 11:30 | 21138 | 45100 | -23962 | 47% |
| Sat 11:45 | 21190 | 44750 | -23560 | 47% |
| Sat 12:00 | 21251 | 44400 | -23149 | 48% |
| Sat 12:15 | 21265 | 45200 | -23935 | 47% |
| Sat 12:30 | 21297 | 46000 | -24703 | 46% |
| Sat 12:45 | 21173 | 45700 | -24527 | 46% |
| Sat 13:00 | 21017 | 45400 | -24383 | 46% |
| Sat 13:15 | 20801 | 45000 | -24199 | 46% |
| Sat 13:30 | 20544 | 44600 | -24056 | 46% |
| Sat 13:45 | 20035 | 44300 | -24265 | 45% |
| Sat 14:00 | 19530 | 44000 | -24470 | 44% |
| Sat 14:15 | 18969 | 43500 | -24531 | 44% |
| Sat 14:30 | 18372 | 43000 | -24628 | 43% |
| Sat 14:45 | 17700 | 43100 | -25400 | 41% |
| Sat 15:00 | 17003 | 43200 | -26197 | 39% |
| Sat 15:15 | 16194 | 42900 | -26706 | 38% |
| Sat 15:30 | 15317 | 42600 | -27283 | 36% |
| Sat 15:45 | 14387 | 43100 | -28713 | 33% |
| Sat 16:00 | 13360 | 43600 | -30240 | 31% |
| Sat 16:15 | 12248 | 43800 | -31552 | 28% |
| Sat 16:30 | 11161 | 44000 | -32839 | 25% |
| Sat 16:45 | 10139 | 44500 | -34361 | 23% |
| Sat 17:00 | 8907 | 45000 | -36093 | 20% |
| Sat 17:15 | 7939 | 44950 | -37011 | 18% |
| Sat 17:30 | 6771 | 44900 | -38129 | 15% |
| Sat 17:45 | 5927 | 44700 | -38773 | 13% |
| Sat 18:00 | 5003 | 44500 | -39497 | 11% |
| Sat 18:15 | 4410 | 44000 | -39590 | 10% |
| Sat 18:30 | 3965 | 43500 | -39535 | 9% |
| Sat 18:45 | 3790 | 43200 | -39410 | 9% |
| Sat 19:00 | 3603 | 42900 | -39297 | 8% |
| Sat 19:15 | 3559 | 42700 | -39141 | 8% |
| Sat 19:30 | 3706 | 42500 | -38794 | 9% |
| Sat 19:45 | 3980 | 42400 | -38420 | 9% |
| Sat 20:00 | 4266 | 42300 | -38034 | 10% |
| Sat 20:15 | 4419 | 43050 | -38631 | 10% |
| Sat 20:30 | 4571 | 43800 | -39229 | 10% |
| Sat 20:45 | 4724 | 44350 | -39626 | 11% |
| Sat 21:00 | 4877 | 44900 | -40023 | 11% |
| Sat 21:15 | 4920 | 44000 | -39080 | 11% |
| Sat 21:30 | 4963 | 43100 | -38137 | 12% |
| Sat 21:45 | 5006 | 42400 | -37394 | 12% |