The Irish Minister for Climate, Energy and the Environment has approved a €5 million allocation from the Climate Action Fund (CAF) to support the pre-construction development costs of efficient district heating projects across the country. This early-stage investment is intended to advance the readiness of such projects and facilitate future development of district heating networks.
District heating plays a crucial role in diversifying Ireland’s fuel sources and decarbonising the heat sector. Government policy aims to scale up district heating, especially in densely populated areas with accessible heat sources. This aligns with the Climate Action Plan and contributes to the ‘Built Environment’ sector’s emission reduction targets.
Ireland has already seen government-backed district heating developments supported by the CAF. For instance, South Dublin County Council has implemented a significant scheme in Tallaght, and Dublin City Council is advancing a major project to utilize waste heat from the Poolbeg waste-to-energy facility to serve surrounding buildings, with plans to expand further into the city.
In accordance with recommendations from the District Heating Steering Group, the government is pursuing a multi-annual financial allocation for the period 2026–2030. The Department of the Environment, in partnership with SEAI’s District Heating Centre of Excellence, is preparing a business case to secure future State funding. This will support efficient district heating systems in urban areas with high heat demand.
The newly approved funding will help prepare district heating projects to qualify for future funding streams. By covering pre-construction development costs, this support ensures that multiple efficient projects will be ‘shovel ready’ when the broader funding is made available. The fund will be open to both public and private entities, including projects that have already initiated development.
Strategic early-phase investment in district heating infrastructure will lay the groundwork for network expansion. This foundational infrastructure will initially serve large heat consumers and can be expanded in future phases to support smaller, distributed heat users.
District heating has been identified as a critical contributor to meeting Ireland’s renewable heat targets. The SEAI’s 2022 National Heat Study outlined its potential in addressing national heat demand using renewable sources. Despite this potential, district heating currently represents less than 1% of Ireland’s heating supply—among the lowest in Europe.
The Climate Action Plans from 2021 through 2025 have increasingly prioritized district heating. Targets include delivering up to 2.7 TWh of district heating by 2030 and establishing a regulatory framework through a proposed Heat Bill. The latest plan includes a mandate for public sector buildings to connect to district heating where feasible.
At the European level, the revised Energy Efficiency Directive (EED) outlines specific criteria for what constitutes “efficient” district heating. These criteria, particularly Article 26, set progressive requirements to ensure that such systems increasingly rely on renewable or waste heat sources, aiming for full compliance by 2050.
The Climate Action Fund, established in 2020, is a statutory mechanism to finance projects that help achieve Ireland’s climate and energy objectives. It supports innovative or high-impact projects that might otherwise lack financial feasibility, particularly in regions or sectors affected by the low-carbon transition.
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