When is electricity greenest in Ireland?
Renewable energy forecast · updated 2026-08-15 13:59 UTC
educk tracks how much of Ireland'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 11% of Ireland's electricity demand around 14:00 UTC.
- Renewable output peaks around 13:00 UTC at roughly 25% of demand — the greenest time to use electricity today.
- The renewable share dips to about 3% around 01:00 UTC, when grid electricity is at its most carbon-intensive.
Hourly forecast for Ireland
| Time (UTC) | Renewable (MW) | Demand (MW) | Surplus (MW) | Share |
|---|---|---|---|---|
| Sat 14:00 | 445 | 4192 | -3747 | 11% |
| Sat 15:00 | 504 | 4250 | -3746 | 12% |
| Sat 16:00 | 540 | 4269 | -3729 | 13% |
| Sat 17:00 | 567 | 4190 | -3623 | 14% |
| Sat 18:00 | 570 | 4055 | -3485 | 14% |
| Sat 19:00 | 529 | 3960 | -3431 | 13% |
| Sat 20:00 | 448 | 3903 | -3455 | 11% |
| Sat 21:00 | 369 | 3719 | -3350 | 10% |
| Sat 22:00 | 295 | 3567 | -3272 | 8% |
| Sat 23:00 | 176 | 3461 | -3285 | 5% |
| Sun 00:00 | 128 | 3376 | -3248 | 4% |
| Sun 01:00 | 105 | 3327 | -3222 | 3% |
| Sun 02:00 | 108 | 3288 | -3180 | 3% |
| Sun 03:00 | 131 | 3283 | -3152 | 4% |
| Sun 04:00 | 173 | 3357 | -3184 | 5% |
| Sun 05:00 | 234 | 3433 | -3199 | 7% |
| Sun 06:00 | 318 | 3479 | -3161 | 9% |
| Sun 07:00 | 416 | 3674 | -3258 | 11% |
| Sun 08:00 | 524 | 3878 | -3354 | 14% |
| Sun 09:00 | 671 | 4040 | -3369 | 17% |
| Sun 10:00 | 825 | 4131 | -3306 | 20% |
| Sun 11:00 | 930 | 4165 | -3235 | 22% |
| Sun 12:00 | 987 | 4137 | -3150 | 24% |
| Sun 13:00 | 1024 | 4081 | -3057 | 25% |