When is Google Cloud europe-west1 greenest?
Carbon-aware scheduling · updated 2026-07-21 17:33 UTC
The Google Cloud europe-west1 region runs in St. Ghislain, Belgium, on the Belgium 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 14% of Belgium's electricity demand around 18:00 UTC.
- Renewable output peaks around 13:00 UTC at roughly 53% of demand — the greenest time to use electricity today.
- The renewable share dips to about 4% around 01:00 UTC, when grid electricity is at its most carbon-intensive.
Hourly grid forecast for Google Cloud europe-west1
| Time (UTC) | Renewable (MW) | Demand (MW) | Surplus (MW) | Share |
|---|---|---|---|---|
| Tue 18:00 | 1182 | 8218 | -7036 | 14% |
| Tue 19:00 | 806 | 8106 | -7299 | 10% |
| Tue 20:00 | 670 | 8117 | -7447 | 8% |
| Tue 21:00 | 544 | 7924 | -7380 | 7% |
| Tue 22:00 | 413 | 7519 | -7106 | 5% |
| Tue 23:00 | 337 | 7136 | -6799 | 5% |
| Wed 00:00 | 292 | 6993 | -6701 | 4% |
| Wed 01:00 | 275 | 6872 | -6597 | 4% |
| Wed 02:00 | 303 | 7024 | -6720 | 4% |
| Wed 03:00 | 356 | 7333 | -6977 | 5% |
| Wed 04:00 | 546 | 7840 | -7295 | 7% |
| Wed 05:00 | 1100 | 8710 | -7610 | 13% |
| Wed 06:00 | 1810 | 8885 | -7075 | 20% |
| Wed 07:00 | 2514 | 9352 | -6838 | 27% |
| Wed 08:00 | 3174 | 9661 | -6487 | 33% |
| Wed 09:00 | 3923 | 9749 | -5825 | 40% |
| Wed 10:00 | 4568 | 9781 | -5213 | 47% |
| Wed 11:00 | 4950 | 9762 | -4811 | 51% |
| Wed 12:00 | 5087 | 9679 | -4592 | 53% |
| Wed 13:00 | 5090 | 9576 | -4487 | 53% |
| Wed 14:00 | 4839 | 9350 | -4511 | 52% |
| Wed 15:00 | 4340 | 9370 | -5030 | 46% |
| Wed 16:00 | 3622 | 9408 | -5786 | 39% |
| Wed 17:00 | 2607 | 9191 | -6584 | 28% |
| Wed 18:00 | 1590 | 8981 | -7391 | 18% |