When is AWS eu-west-3 greenest?
Carbon-aware scheduling · updated 2026-09-15 12:29 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 44% of France's electricity demand around 12:30 UTC.
- Renewable output peaks around 12:15 UTC at roughly 45% of demand — the greenest time to use electricity today.
- The renewable share dips to about 13% around 18:15 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 |
|---|---|---|---|---|
| Tue 12:15 | 22659 | 50568 | -27909 | 45% |
| Tue 12:30 | 22666 | 51133 | -28467 | 44% |
| Tue 12:45 | 22482 | 50764 | -28282 | 44% |
| Tue 13:00 | 22302 | 50395 | -28093 | 44% |
| Tue 13:15 | 22056 | 50104 | -28048 | 44% |
| Tue 13:30 | 21817 | 49812 | -27995 | 44% |
| Tue 13:45 | 21390 | 49306 | -27916 | 43% |
| Tue 14:00 | 20835 | 48801 | -27966 | 43% |
| Tue 14:15 | 20306 | 48758 | -28451 | 42% |
| Tue 14:30 | 19702 | 48714 | -29012 | 40% |
| Tue 14:45 | 18954 | 48616 | -29662 | 39% |
| Tue 15:00 | 18156 | 48519 | -30363 | 37% |
| Tue 15:15 | 17014 | 48802 | -31788 | 35% |
| Tue 15:30 | 16076 | 49085 | -33009 | 33% |
| Tue 15:45 | 15099 | 49475 | -34376 | 31% |
| Tue 16:00 | 13993 | 49865 | -35872 | 28% |
| Tue 16:15 | 12360 | 50198 | -37837 | 25% |
| Tue 16:30 | 11155 | 50530 | -39375 | 22% |
| Tue 16:45 | 10099 | 51166 | -41066 | 20% |
| Tue 17:00 | 8719 | 51801 | -43082 | 17% |
| Tue 17:15 | 7878 | 51396 | -43518 | 15% |
| Tue 17:30 | 7132 | 50990 | -43858 | 14% |
| Tue 17:45 | 6881 | 50543 | -43662 | 14% |
| Tue 18:00 | 6613 | 50096 | -43483 | 13% |
| Tue 18:15 | 6522 | 49528 | -43006 | 13% |
| Tue 18:30 | 6650 | 48960 | -42310 | 14% |
| Tue 18:45 | 6806 | 48606 | -41800 | 14% |
| Tue 19:00 | 6962 | 48253 | -41291 | 14% |
| Tue 19:15 | 7159 | 47514 | -40354 | 15% |
| Tue 19:30 | 7356 | 46774 | -39418 | 16% |
| Tue 19:45 | 7552 | 46060 | -38508 | 16% |
| Tue 20:00 | 7749 | 45347 | -37598 | 17% |
| Tue 20:15 | 7884 | 45756 | -37873 | 17% |
| Tue 20:30 | 8018 | 46166 | -38148 | 17% |
| Tue 20:45 | 8152 | 46509 | -38357 | 18% |
| Tue 21:00 | 8287 | 46852 | -38565 | 18% |
| Tue 21:15 | 8187 | 45982 | -37796 | 18% |
| Tue 21:30 | 8087 | 45113 | -37026 | 18% |
| Tue 21:45 | 7987 | 44450 | -36463 | 18% |