When is electricity greenest in Bulgaria?
Renewable energy forecast · updated 2026-08-15 14:01 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 54% of Bulgaria's electricity demand around 15:00 UTC.
- Renewable output peaks around 10:00 UTC at roughly 114% of demand — the greenest time to use electricity today.
- The renewable share dips to about 2% around 23:00 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 12:00 | 4444 | 4062 | +382 | 109% |
| Sat 13:00 | 3998 | 4041 | -43 | 99% |
| Sat 14:00 | 3239 | 4112 | -873 | 79% |
| Sat 15:00 | 2271 | 4175 | -1904 | 54% |
| Sat 16:00 | 1276 | 4158 | -2882 | 31% |
| Sat 17:00 | 444 | 4092 | -3648 | 11% |
| Sat 18:00 | 132 | 4014 | -3882 | 3% |
| Sat 19:00 | 97 | 3822 | -3725 | 3% |
| Sat 20:00 | 74 | 3662 | -3588 | 2% |
| Sat 21:00 | 58 | 3193 | -3135 | 2% |
| Sat 22:00 | 53 | 3011 | -2958 | 2% |
| Sat 23:00 | 49 | 2897 | -2848 | 2% |
| Sun 00:00 | 62 | 2843 | -2781 | 2% |
| Sun 01:00 | 83 | 2800 | -2717 | 3% |
| Sun 02:00 | 111 | 2799 | -2688 | 4% |
| Sun 03:00 | 179 | 2811 | -2632 | 6% |
| Sun 04:00 | 267 | 2910 | -2643 | 9% |
| Sun 05:00 | 801 | 3143 | -2342 | 25% |
| Sun 06:00 | 1675 | 3365 | -1690 | 50% |
| Sun 07:00 | 2596 | 3557 | -961 | 73% |
| Sun 08:00 | 3441 | 3750 | -309 | 92% |
| Sun 09:00 | 4074 | 3893 | +181 | 105% |
| Sun 10:00 | 4449 | 3911 | +538 | 114% |
| Sun 12:00 | 4221 | 3910 | +311 | 108% |