When is Google Cloud europe-west1 greenest?
Carbon-aware scheduling · updated 2026-09-04 19:58 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 25% of Belgium's electricity demand around 20:00 UTC.
- Renewable output peaks around 11:00 UTC at roughly 78% of demand — the greenest time to use electricity today.
- The renewable share dips to about 2% around 20:00 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 |
|---|---|---|---|---|
| Fri 20:00 | 2237 | 8967 | -6730 | 25% |
| Fri 21:00 | 2204 | 8518 | -6313 | 26% |
| Fri 22:00 | 2283 | 8214 | -5930 | 28% |
| Fri 23:00 | 2260 | 7968 | -5709 | 28% |
| Sat 00:00 | 2310 | 7624 | -5314 | 30% |
| Sat 01:00 | 2359 | 7464 | -5105 | 32% |
| Sat 02:00 | 2342 | 7377 | -5035 | 32% |
| Sat 03:00 | 2280 | 7388 | -5107 | 31% |
| Sat 04:00 | 2208 | 7592 | -5384 | 29% |
| Sat 05:00 | 2322 | 7736 | -5415 | 30% |
| Sat 06:00 | 3187 | 8326 | -5138 | 38% |
| Sat 07:00 | 4601 | 8619 | -4018 | 53% |
| Sat 08:00 | 5965 | 9061 | -3096 | 66% |
| Sat 09:00 | 6775 | 9317 | -2542 | 73% |
| Sat 10:00 | 7101 | 9412 | -2311 | 75% |
| Sat 11:00 | 7285 | 9331 | -2046 | 78% |
| Sat 12:00 | 7163 | 9224 | -2062 | 78% |
| Sat 13:00 | 6634 | 8888 | -2253 | 75% |
| Sat 14:00 | 5727 | 8792 | -3065 | 65% |
| Sat 15:00 | 4297 | 8786 | -4489 | 49% |
| Sat 16:00 | 2441 | 8976 | -6535 | 27% |
| Sat 17:00 | 952 | 8840 | -7889 | 11% |
| Sat 18:00 | 362 | 8766 | -8404 | 4% |
| Sat 19:00 | 263 | 8512 | -8248 | 3% |
| Sat 20:00 | 199 | 8213 | -8015 | 2% |