When is electricity greenest in Romania?
Renewable energy forecast · updated 2026-09-04 17:49 UTC
educk tracks how much of Romania'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 6% of Romania's electricity demand around 18:00 UTC.
- Renewable output peaks around 09:45 UTC at roughly 103% of demand — the greenest time to use electricity today.
- The renewable share dips to about 5% around 17:45 UTC, when grid electricity is at its most carbon-intensive.
- There is forecast surplus renewable generation around 09:45 UTC — an ideal low-carbon window for flexible loads such as EV charging, laundry or heating.
Hourly forecast for Romania
| Time (UTC) | Renewable (MW) | Demand (MW) | Surplus (MW) | Share |
|---|---|---|---|---|
| Fri 17:45 | 365 | 6950 | -6585 | 5% |
| Fri 18:00 | 413 | 6910 | -6497 | 6% |
| Fri 18:15 | 418 | 6840 | -6422 | 6% |
| Fri 18:30 | 433 | 6750 | -6317 | 6% |
| Fri 18:45 | 450 | 6650 | -6200 | 7% |
| Fri 19:00 | 447 | 6530 | -6083 | 7% |
| Fri 19:15 | 450 | 6400 | -5950 | 7% |
| Fri 19:30 | 467 | 6270 | -5803 | 7% |
| Fri 19:45 | 476 | 6150 | -5674 | 8% |
| Fri 20:00 | 520 | 6060 | -5540 | 9% |
| Fri 20:15 | 491 | 5940 | -5449 | 8% |
| Fri 20:30 | 497 | 5850 | -5353 | 9% |
| Fri 20:45 | 515 | 5750 | -5235 | 9% |
| Fri 21:00 | 467 | 5600 | -5133 | 8% |
| Fri 21:15 | 469 | 5520 | -5051 | 8% |
| Fri 21:30 | 471 | 5470 | -4999 | 9% |
| Fri 21:45 | 473 | 5410 | -4937 | 9% |
| Fri 22:00 | 523 | 5330 | -4807 | 10% |
| Fri 22:15 | 528 | 5270 | -4742 | 10% |
| Fri 22:30 | 535 | 5220 | -4685 | 10% |
| Fri 22:45 | 540 | 5180 | -4640 | 10% |
| Fri 23:00 | 545 | 5140 | -4595 | 11% |
| Fri 23:15 | 551 | 5110 | -4559 | 11% |
| Fri 23:30 | 557 | 5090 | -4533 | 11% |
| Fri 23:45 | 563 | 5060 | -4497 | 11% |
| Sat 00:00 | 566 | 5020 | -4454 | 11% |
| Sat 00:15 | 569 | 4990 | -4421 | 11% |
| Sat 00:45 | 573 | 5000 | -4427 | 11% |
| Sat 02:00 | 567 | 5020 | -4453 | 11% |
| Sat 02:15 | 562 | 5030 | -4468 | 11% |
| Sat 02:45 | 550 | 5000 | -4450 | 11% |
| Sat 03:00 | 546 | 4970 | -4424 | 11% |
| Sat 03:15 | 539 | 4940 | -4401 | 11% |
| Sat 03:45 | 531 | 4950 | -4419 | 11% |
| Sat 04:00 | 574 | 4980 | -4406 | 12% |
| Sat 04:15 | 645 | 5010 | -4365 | 13% |
| Sat 04:45 | 879 | 5000 | -4121 | 18% |
| Sat 05:00 | 1209 | 4980 | -3771 | 24% |
| Sat 05:15 | 1403 | 4940 | -3537 | 28% |
| Sat 05:30 | 1622 | 4880 | -3258 | 33% |
| Sat 05:45 | 1833 | 4800 | -2967 | 38% |
| Sat 06:00 | 2208 | 4660 | -2452 | 47% |
| Sat 06:15 | 2394 | 4550 | -2156 | 53% |
| Sat 06:30 | 2596 | 4450 | -1854 | 58% |
| Sat 06:45 | 2760 | 4340 | -1580 | 64% |
| Sat 07:00 | 3045 | 4230 | -1185 | 72% |
| Sat 07:15 | 3193 | 4130 | -937 | 77% |
| Sat 07:30 | 3332 | 4050 | -718 | 82% |
| Sat 07:45 | 3452 | 3990 | -538 | 87% |
| Sat 08:00 | 3593 | 3940 | -347 | 91% |
| Sat 08:15 | 3680 | 3900 | -220 | 94% |
| Sat 08:30 | 3758 | 3890 | -132 | 97% |
| Sat 08:45 | 3821 | 3870 | -49 | 99% |
| Sat 09:00 | 3867 | 3840 | +27 | 101% |
| Sat 09:15 | 3908 | 3830 | +78 | 102% |
| Sat 09:30 | 3934 | 3820 | +114 | 103% |
| Sat 09:45 | 3956 | 3830 | +126 | 103% |
| Sat 10:00 | 3971 | 3850 | +121 | 103% |
| Sat 10:15 | 3973 | 3860 | +113 | 103% |
| Sat 10:30 | 3963 | 3890 | +73 | 102% |
| Sat 10:45 | 3947 | 3920 | +27 | 101% |
| Sat 11:00 | 3909 | 3980 | -71 | 98% |
| Sat 11:15 | 3855 | 4030 | -175 | 96% |
| Sat 11:30 | 3809 | 4070 | -261 | 94% |
| Sat 11:45 | 3749 | 4120 | -371 | 91% |
| Sat 12:00 | 3647 | 4200 | -553 | 87% |
| Sat 12:15 | 3569 | 4260 | -691 | 84% |
| Sat 12:30 | 3476 | 4320 | -844 | 80% |
| Sat 12:45 | 3373 | 4420 | -1047 | 76% |
| Sat 13:00 | 3146 | 4520 | -1374 | 70% |
| Sat 13:15 | 3008 | 4640 | -1632 | 65% |
| Sat 13:30 | 2878 | 4800 | -1922 | 60% |
| Sat 13:45 | 2745 | 4960 | -2215 | 55% |
| Sat 14:00 | 2431 | 5200 | -2769 | 47% |
| Sat 14:15 | 2249 | 5380 | -3131 | 42% |
| Sat 14:30 | 2052 | 5540 | -3488 | 37% |
| Sat 14:45 | 1841 | 5680 | -3839 | 32% |
| Sat 15:00 | 1501 | 5800 | -4299 | 26% |
| Sat 15:15 | 1330 | 5920 | -4590 | 22% |
| Sat 15:30 | 1149 | 6000 | -4851 | 19% |
| Sat 15:45 | 1031 | 6080 | -5049 | 17% |
| Sat 16:00 | 896 | 6180 | -5284 | 14% |
| Sat 16:15 | 843 | 6230 | -5387 | 14% |
| Sat 16:30 | 815 | 6300 | -5485 | 13% |
| Sat 16:45 | 820 | 6410 | -5590 | 13% |
| Sat 17:00 | 865 | 6500 | -5635 | 13% |
| Sat 17:15 | 875 | 6560 | -5685 | 13% |
| Sat 17:30 | 888 | 6580 | -5692 | 13% |
| Sat 17:45 | 897 | 6560 | -5663 | 14% |
| Sat 18:00 | 935 | 6550 | -5615 | 14% |
| Sat 18:15 | 929 | 6500 | -5571 | 14% |
| Sat 18:30 | 919 | 6420 | -5501 | 14% |
| Sat 18:45 | 910 | 6330 | -5420 | 14% |