When is electricity greenest in Slovakia?
Renewable energy forecast · updated 2026-07-21 16:06 UTC
educk tracks how much of Slovakia'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 2% of Slovakia's electricity demand around 16:15 UTC.
- Renewable output peaks around 10:00 UTC at roughly 13% of demand — the greenest time to use electricity today.
- The renewable share dips to about 0% around 19:30 UTC, when grid electricity is at its most carbon-intensive.
Hourly forecast for Slovakia
| Time (UTC) | Renewable (MW) | Demand (MW) | Surplus (MW) | Share |
|---|---|---|---|---|
| Tue 16:00 | 73 | 2929 | -2856 | 2% |
| Tue 16:15 | 57 | 2933 | -2876 | 2% |
| Tue 16:30 | 45 | 2944 | -2899 | 2% |
| Tue 16:45 | 35 | 2962 | -2927 | 1% |
| Tue 17:00 | 27 | 2949 | -2922 | 1% |
| Tue 17:15 | 21 | 2953 | -2932 | 1% |
| Tue 17:30 | 16 | 2921 | -2905 | 1% |
| Tue 17:45 | 12 | 2914 | -2902 | 0% |
| Tue 18:15 | 6 | 2902 | -2896 | 0% |
| Tue 18:45 | 5 | 2873 | -2868 | 0% |
| Tue 19:00 | 2 | 2884 | -2882 | 0% |
| Tue 19:15 | 1 | 2856 | -2855 | 0% |
| Tue 19:30 | 0 | 2824 | -2824 | 0% |
| Wed 02:45 | 1 | 2247 | -2246 | 0% |
| Wed 03:00 | 5 | 2291 | -2286 | 0% |
| Wed 03:15 | 8 | 2329 | -2321 | 0% |
| Wed 03:30 | 12 | 2352 | -2340 | 1% |
| Wed 03:45 | 17 | 2413 | -2396 | 1% |
| Wed 04:00 | 25 | 2524 | -2499 | 1% |
| Wed 04:15 | 35 | 2620 | -2585 | 1% |
| Wed 04:30 | 50 | 2670 | -2620 | 2% |
| Wed 04:45 | 71 | 2709 | -2638 | 3% |
| Wed 05:00 | 91 | 2724 | -2633 | 3% |
| Wed 05:15 | 109 | 2771 | -2662 | 4% |
| Wed 05:30 | 137 | 2791 | -2654 | 5% |
| Wed 05:45 | 165 | 2799 | -2634 | 6% |
| Wed 06:00 | 192 | 2819 | -2627 | 7% |
| Wed 06:15 | 217 | 2827 | -2610 | 8% |
| Wed 06:30 | 237 | 2851 | -2614 | 8% |
| Wed 06:45 | 263 | 2874 | -2611 | 9% |
| Wed 07:00 | 279 | 2880 | -2601 | 10% |
| Wed 07:15 | 300 | 2867 | -2567 | 10% |
| Wed 07:30 | 317 | 2848 | -2531 | 11% |
| Wed 07:45 | 334 | 2833 | -2499 | 12% |
| Wed 08:00 | 345 | 2796 | -2451 | 12% |
| Wed 08:15 | 355 | 2835 | -2480 | 13% |
| Wed 08:30 | 366 | 2838 | -2472 | 13% |
| Wed 08:45 | 373 | 2861 | -2488 | 13% |
| Wed 09:00 | 380 | 2869 | -2489 | 13% |
| Wed 09:15 | 385 | 2878 | -2493 | 13% |
| Wed 09:30 | 387 | 2903 | -2516 | 13% |
| Wed 09:45 | 388 | 2906 | -2518 | 13% |
| Wed 10:00 | 389 | 2902 | -2513 | 13% |
| Wed 10:15 | 390 | 2932 | -2542 | 13% |
| Wed 10:30 | 389 | 2920 | -2531 | 13% |
| Wed 10:45 | 388 | 2924 | -2536 | 13% |
| Wed 11:00 | 387 | 2921 | -2534 | 13% |
| Wed 11:15 | 384 | 2905 | -2521 | 13% |
| Wed 11:30 | 379 | 2879 | -2500 | 13% |
| Wed 11:45 | 372 | 2868 | -2496 | 13% |
| Wed 12:00 | 365 | 2856 | -2491 | 13% |
| Wed 12:15 | 356 | 2837 | -2481 | 13% |
| Wed 12:30 | 345 | 2806 | -2461 | 12% |
| Wed 12:45 | 332 | 2810 | -2478 | 12% |
| Wed 13:00 | 317 | 2809 | -2492 | 11% |
| Wed 13:15 | 300 | 2807 | -2507 | 11% |
| Wed 13:30 | 283 | 2803 | -2520 | 10% |
| Wed 14:00 | 246 | 2852 | -2606 | 9% |
| Wed 14:15 | 232 | 2844 | -2612 | 8% |
| Wed 14:30 | 210 | 2862 | -2652 | 7% |
| Wed 14:45 | 192 | 2877 | -2685 | 7% |
| Wed 15:00 | 172 | 2890 | -2718 | 6% |
| Wed 15:15 | 150 | 2895 | -2745 | 5% |
| Wed 15:30 | 128 | 2880 | -2752 | 4% |
| Wed 15:45 | 107 | 2898 | -2791 | 4% |
| Wed 16:00 | 84 | 2888 | -2804 | 3% |
| Wed 16:15 | 65 | 2897 | -2832 | 2% |
| Wed 16:30 | 48 | 2923 | -2875 | 2% |
| Wed 16:45 | 35 | 2936 | -2901 | 1% |
| Wed 17:00 | 27 | 2912 | -2885 | 1% |