When is electricity greenest in Bulgaria?
Renewable energy forecast · updated 2026-10-03 08:37 UTC
educk tracks how much of Bulgaria'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 108% of Bulgaria's electricity demand around 09:00 UTC.
- Renewable output peaks around 10:00 UTC at roughly 108% of demand — the greenest time to use electricity today.
- The renewable share dips to about 4% around 18:00 UTC, when grid electricity is at its most carbon-intensive.
- There is forecast surplus renewable generation around 10:00 UTC — an ideal low-carbon window for flexible loads such as EV charging, laundry or heating.
Hourly forecast for Bulgaria
| Time (UTC) | Renewable (MW) | Demand (MW) | Surplus (MW) | Share |
|---|---|---|---|---|
| Sat 07:00 | 3312 | 3902 | -590 | 85% |
| Sat 08:00 | 4056 | 3948 | +108 | 103% |
| Sat 09:00 | 4410 | 4071 | +339 | 108% |
| Sat 10:00 | 4409 | 4068 | +341 | 108% |
| Sat 11:00 | 4060 | 3940 | +120 | 103% |
| Sat 12:00 | 3436 | 3981 | -545 | 86% |
| Sat 13:00 | 2559 | 3893 | -1334 | 66% |
| Sat 14:00 | 1518 | 3839 | -2321 | 40% |
| Sat 15:00 | 529 | 3899 | -3370 | 14% |
| Sat 16:00 | 194 | 4302 | -4108 | 5% |
| Sat 17:00 | 169 | 4174 | -4005 | 4% |
| Sat 18:00 | 153 | 3915 | -3762 | 4% |
| Sat 19:00 | 150 | 3710 | -3560 | 4% |
| Sat 20:00 | 154 | 3515 | -3361 | 4% |
| Sat 21:00 | 142 | 3378 | -3236 | 4% |