Ireland’s annual greenhouse gas emissions projections are the most commercially significant climate data publication the state produces. On 27 May 2026, the Environmental Protection Agency published Greenhouse Gas Emissions Projections 2025–2055, confirming current policies could deliver only 25 per cent emissions reduction by 2030, which is half what the law requires. The second carbon budget is projected to be exceeded by between 53 and 82 MtCO₂eq. The projections identify which sectors face the most urgent demand for green business services.

The projections are commercially actionable. Transport, industry, and commercial and public buildings are furthest from their legally binding sectoral emissions ceilings. EPA Director General Dr Eimear Cotter stated: “The current rate of delivery could reduce emissions by 25 per cent by 2030 — only half of the reductions needed.” Ireland’s Effort Sharing Regulation compliance cost exposure is estimated at €3 billion to €26 billion. The three commercial dimensions for sustainable business are industrial decarbonisation, built environment retrofit and carbon compliance services.

The industrial decarbonisation gap is the largest single commercial frontier. Industry is projected to fall short of its 35 per cent emissions reduction ceiling, with process heat, fuel switching and electrification requiring accelerated investment. The Infrastructure, Climate and Nature Fund, capitalised at €14 billion, provides the co-funding vehicle for large-scale decarbonisation. For green companies in engineering, technology and supply chains, this gap represents a globally significant market.

The built environment presents equally significant commercial opportunity. Commercial and public buildings are projected to fall short of their 45 per cent emissions ceiling, while residential buildings face a 40 per cent ceiling requiring 400,000 retrofits under the National Retrofit Programme. Budget 2026 allocated €568 million for energy efficiency, and SEAI retrofit schemes provide accessible incentive frameworks. The commercial buildings pipeline represents a multi-billion euro market for energy auditors, heat pump contractors and building fabric specialists.

The carbon compliance services sector is the most commercially novel dimension. Ireland’s Effort Sharing Regulation exposure of €3 to €26 billion creates a powerful incentive to accelerate every available environmental innovation. The measurement, reporting and verification market for sectoral emissions is growing. The CSRD requires Scope 1, 2 and 3 disclosure. Consultancies, data platforms and advisors with sectoral expertise are well positioned.

Three actions would help sustainability companies capitalise. First, engineering and technology firms should map their services against the three sectors with the largest ceiling gaps, developing propositions that address their abatement deficits. Second, businesses with built environment exposure should treat Budget 2026 retrofit incentives as a near-term procurement window before demand competition intensifies. Third, sustainability consultancies should develop sectoral emissions baseline services aligned to the EPA’s methodology, as clients will require verification of their compliance trajectories.

The EPA’s Greenhouse Gas Emissions Projections 2025–2055 make Ireland’s decarbonisation challenge legible as a commercial market. Globally, the transition from climate commitment to measurable delivery is the defining investment story of the late 2020s. Ireland’s legally binding carbon budgets, sectoral ceilings and compliance exposure give green business leaders a clear signal about where capital and expertise are urgently needed.

(The views expressed by the writer are his/her own and do not necessarily reflect the views or positions of BusinessRiver.)