When is electricity greenest in Ireland?
Renewable energy forecast · updated 2026-08-04 08:36 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 44% of Ireland's electricity demand around 23:00 UTC.
- Renewable output peaks around 09:00 UTC at roughly 67% of demand — the greenest time to use electricity today.
- The renewable share dips to about 44% around 23:00 UTC, when grid electricity is at its most carbon-intensive.
Hourly forecast for Ireland
| Time (UTC) | Renewable (MW) | Demand (MW) | Surplus (MW) | Share |
|---|---|---|---|---|
| Tue 23:00 | 1554 | 3513 | -1959 | 44% |
| Wed 00:00 | 1635 | 3431 | -1796 | 48% |
| Wed 01:00 | 1772 | 3401 | -1629 | 52% |
| Wed 02:00 | 1936 | 3387 | -1451 | 57% |
| Wed 03:00 | 2115 | 3418 | -1303 | 62% |
| Wed 04:00 | 2269 | 3582 | -1313 | 63% |
| Wed 05:00 | 2407 | 3923 | -1516 | 61% |
| Wed 06:00 | 2569 | 4310 | -1741 | 60% |
| Wed 07:00 | 2754 | 4565 | -1811 | 60% |
| Wed 08:00 | 2937 | 4623 | -1686 | 64% |
| Wed 09:00 | 3113 | 4619 | -1506 | 67% |