When is electricity greenest in Switzerland?
Renewable energy forecast · updated 2026-06-06 13:57 UTC
educk tracks how much of Switzerland's electricity demand is met by wind and solar generation, using day-ahead forecasts from the ENTSO-E transparency platform. Use it to plan flexible energy use — charging an EV, running appliances or batteries — for when the grid is cleanest.
- Wind and solar are forecast to cover about 47% of Switzerland's electricity demand around 14:00 UTC.
- Renewable output peaks around 13:00 UTC at roughly 50% of demand — the greenest time to use electricity today.
- The renewable share dips to about 0% around 21:00 UTC, when grid electricity is at its most carbon-intensive.
Hourly forecast for Switzerland
| Time (UTC) | Renewable (MW) | Demand (MW) | Surplus (MW) | Share |
|---|---|---|---|---|
| Sat 13:00 | 3487 | 6930 | -3443 | 50% |
| Sat 14:00 | 2939 | 6258 | -3320 | 47% |
| Sat 15:00 | 2236 | 5988 | -3752 | 37% |
| Sat 16:00 | 1461 | 5856 | -4396 | 25% |
| Sat 17:00 | 771 | 6737 | -5966 | 11% |
| Sat 18:00 | 207 | 6016 | -5810 | 3% |
| Sat 19:00 | 18 | 6383 | -6365 | 0% |
| Sat 20:00 | 11 | 6060 | -6049 | 0% |
| Sat 21:00 | 11 | 6524 | -6513 | 0% |