Ireland's demand often straddles two fuel types, keeping spreads high regardless of wind generation

Estimated short-run marginal cost by technology, all-island system (€/MWh)
Wind
Solar
Biomass
CCGTs
OCGTs
Oil
Demand range
Source: EirGrid Generation Capacity Statement, Modo Energy estimates
Note: SRMC estimated at TTF gas ~€27/MWh, EUA carbon ~€65/t. CCGT capacities from EirGrid (Great Island, Whitegate, Huntstown, Poolbeg, Aghada, Tynagh, Coolkeeragh). Wind and solar at zero marginal cost; output varies with weather.
MODOENERGY