Budget 2026 - Sustainability and ESG Measures 


This year’s Budget builds on the momentum established in 2025, when the Infrastructure, Climate and Nature fund was established to prepare for Ireland’s future and to help Ireland meet its client and environmental obligations and ambitions. 

Budget 2026 targeted fiscal measures, infrastructure funding, and extending sector-specific incentives, all aimed at accelerating Ireland’s climate transition and supporting sustainable business growth.  However, some critics believe climate change was not given enough attention in the Minister’s speech, particularly given the Environmental Protection Agency’s (EPA) latest projection that, even with the implementation of additional measures, Ireland can only achieve a reduction of 22% by 2030, 20% short of the reduction target. 

See below for our analysis of the key sustainability and ESG related announcements and a comparison with last year’s initiatives.  

Strategic Climate and Nature Funds 

In July 2024, the Future Ireland Fund and Infrastructure, Climate and Nature Fund Act 2024 (“the Act”) was enacted which established the Infrastructure, Climate and Nature Fund (ICN Fund). The purpose of the ICN Fund is to assist with addressing climate change objectives and addressing nature, water quality and biodiversity issues. Initially, €2 billion was set to be invested annually from 2024-2030, targeting an overall fund of up to €14 billion. 

This year’s budget announced that, by the end of 2026, the Future Ireland and ICN Funds will reach €24 billion, with a target of €40 billion + by end of government term. Minister for Public Expenditure, Paschal Donohoe, explained that this increase in the scale of funds will be aimed at helping Ireland deal with the “demographic and structural challenges that may lie ahead.” 


Carbon Tax and Revenue Allocation 

Carbon tax has continued to follow the trajectory set out in the Finance Act of 2020. Carbon tax has increased to €71 per tonne, with the proceeds ear-marked for environmental and social programmes. The additional revenue arising from this is estimated at €121 million in 2026 and the full year additional yield is estimated at €157 million. 

From Wednesday, motor fuel will be taxed at €71 for every tonne of carbon dioxide it emits, a 10.3 per cent increase on the current €63.50 rate. The new rate will apply to all other fuels from May 1st next year. 

This revenue will be spent on social welfare measures and other measures to prevent fuel poverty and to ensure a just transition, as well as a socially progressive national retrofitting programme and funding to encourage and incentivise farmers to farm in a greener and more sustainable way.  

For example, this year the allocation for the Warmer Homes Scheme, which provides completely funded retrofits to low-income households, has seen an 11-fold increase relative to 2020 expenditure. 

Additionally, €558 million in carbon tax revenue has been allocated for residential and community energy upgrade schemes. 

 

Clean Energy and Microgeneration 

Budget 2026 has extended the Income Tax disregard of €400 for income received by households who sell electricity from micro-generation back to the grid for a further three years to the end of 2028 to allow all households to play a part in the reduction of Ireland’s emissions.  

This comes following the announcement that this year, there are 140,000 households with solar PV installed, providing greater energy affordability for these houses both by reducing their own energy demand and allowing them to sell excess energy into the grid.  


Transport and Electric Vehicles 

The €5,000 VRT relief for electric vehicles has also been extended for a further one year until the 31st of December 2026.  

It was also announced that the Benefit-in-Kind regime for company cars has been extended, on a tapered basis. This refers to the universal relief on the Original Market Value of a vehicle which was first introduced as a temporary measure in 2023. This relief will remain at €10,000 in 2026 and will begin reducing yearly until it is abolished in 2029.  It has also been announced there will be a new vehicle category for zero emission cars only, where the lowest BIK rates will apply. 

The Metro Link has also been allocated €2 billion from the ICN Fund for progress.

 

Accelerated Capital Allowances 

There has been an extension to the Accelerated Capital Allowance schemes for energy-efficient equipment, gas vehicles, and refuelling equipment for a further five years until 31st December 2030 to encourage capital investment to help deliver a reduction in emissions. There has also been an extension of the Accelerated Capital Allowance scheme for slurry storage facilities for four more years to continue to help farmers meet emissions targets. 

 

Infrastructure, Water, and Energy Investment 

In 2026, the NDP will allocate €19.1 billion for capital investment, an increase of €2 billion from 2025. This funding has been earmarked for: 

  • €12.2 billion in capital funding was committed in the NDP to expand Ireland’s water and wastewater services. As part of this, in 2026 €1.4 billion is being allocated to Uisce Éireann to continue to build essential capacity to support new housing developments and to increase the resilience and sustainability of water supply. 
  • €3.5 billion has been allocated to ESB and EirGrid to strengthen energy security and accelerate our transition to renewable energy.
  • €1.1 billion has been allocated to the Department of Climate, Energy and the Environment in 2026 for energy upgrades, continued retrofits, and climate action and environmental leadership programmes to support climate objectives and enhance biodiversity.


Supply of Housing

As part of the government’s social policy they have prioritised actions to alleviate the housing shortage which will be good news for aspiring homeowners and those looking to rent. In particular they have focused on increasing supply “so more people can access a home”. In this regard funding has been allocated for housing delivery, and there are to be regulatory changes to the planning system. Of particular benefit VAT has been reduced from 13.5% to 9% on the sale of completed apartments, rental profits from homes falling within the Cost Rental Scheme will be exempt from corporation tax and there will be enhanced corporation tax deductions for certain costs incurred in construction/ conversion of apartments.


If you have any queries or would like to discuss the practical implications of these changes, our team is here to help.
You can contact us directly or 
read more of our Budget 2026 coverage.

How can BDO help?

BDO’s Sustainability Department can provide support to companies aiming to maximise the opportunities and manage the risks presented by Budget 2026’s climate, sustainability, and infrastructure measures. Our service offerings include: 

  • ESG Readiness & Reporting:
    We ensure your sustainability claims and data is compliant, preparing investor-ready documentation and annual sustainability reports. This is crucial for accessing new government funds (such as those emerging from the carbon tax revenue allocated for energy upgrade schemes) and green financing.
  • Green Financing & Incentive Structuring:
    Our experts help you identify and negotiate sustainability-linked KPIs for loans and bonds, enabling access to preferential rates and a wider investor pool. We also support you in leveraging tax incentives (e.g., Accelerated Capital Allowances, VRT relief for EVs), retrofitting grants, and green bond opportunities highlighted in the Budget.
  • Government & EU Funding Guidance:
    BDO navigates the application process for Irish and EU schemes, such as the Growth & Sustainability Loan Scheme and Green Transition Fund, ensuring your submissions are strategic and effective, and that you benefit from the increased funding allocations and new supports announced.
  • Regulatory Compliance & Risk Management:
    We interpret complex frameworks like SFDR and CSRD, conduct double materiality and policy gap assessments, and prepare transparent disclosures in order to help you stay ahead of regulatory change.
  • ESG Strategy Development:
    Our team builds tailored ESG strategies aligned with your business goals, industry benchmarks, and the latest market trends. We embed sustainability into your operations, ensuring you are well-positioned for new opportunities in retrofitting, renewable energy, and circular economy initiatives.
  • Training & Leadership Enablement:
    We deliver workshops and strategic advice to empower your teams with the latest in sustainability regulation, risk management, and operational integration, essential steps for leveraging Budget 2026’s supports and future-proofing your organisation.

BDO’s approach ensures your business complies with new budgetary measures while also unlocking value from government incentives, green financing, and sustainable growth strategies.