Ireland's energy system remains largely dependent on imported fossil fuels, which met 78% of the country's energy needs in 2025. The Sustainable Energy Authority of Ireland (SEAI) reported that imported fossil fuels continue to dominate the energy supply.

Ireland's Sustainable Energy Authority of Ireland (SEAI) suggests the country needs to establish a deadline after which no new gas and oil boilers can be installed. This 'phase-out' is proposed as a measure to transition away from fossil fuels, though it may not be an outright ban.