SEAI Non-Domestic Microgen Grant (NDMG) Scheme Guide: Funding for Commercial Solar

Updated 6 September 2026 · By SolarNevs Research Desk, Dealer surveys + verified sources · 1 source · Method ↗

Key Takeaways

  • The SEAI Non-Domestic Microgen Grant (NDMG) provides capital funding for commercial, agricultural, public, and non-profit solar PV systems in Ireland (August 2026).
  • Grant amounts are tiered, starting at €900 for 1 kWp and reaching a maximum cumulative value of €162,600 for systems up to 1,000 kWp (August 2026).
  • A formal Letter of Offer from SEAI must be received before any equipment purchase or installation work begins (August 2026).
  • Installation must be completed by an SEAI registered non-domestic solar installer and certified by a Safe Electric Registered Electrical Contractor (REC) (August 2026).

What is the SEAI Non-Domestic Microgen Grant (NDMG) Scheme?

The SEAI Non-Domestic Microgen Grant (NDMG) scheme is a capital funding framework designed to support the installation of solar photovoltaic (PV) systems across various non-domestic sectors in Ireland. This grant targets commercial enterprises, agricultural operations, schools, community centres, and registered non-profit bodies (August 2026). It aims to reduce the upfront cost of solar PV installations, encouraging greater adoption of renewable energy.

The grant provides tiered financial support based on the system's installed capacity. The maximum cumulative grant value is €162,600 for installations up to 1,000 kWp (1 MW) (August 2026).

SEAI Non-Domestic Microgen Grant Tiers (August 2026)

System Capacity

Grant Amount

1 kWp

€900

2 kWp

€1,800

3 kWp

€2,100

4 kWp to 6 kWp

€2,400

7 kWp to 20 kWp

€300 per kWp

21 kWp to 200 kWp

€200 per kWp

| 201 kWp to 1,000 kWp | €150 per kWp | Figures as of August 2026.

How We Verified These Grant Details

We verified the details of the SEAI Non-Domestic Microgen Grant (NDMG) scheme on 23 August 2026. Our information comes directly from the official Sustainable Energy Authority of Ireland (SEAI) website, specifically their dedicated page for the Non-Domestic Microgen Grant. This source provides the statutory limitations and requirements for all listed provisions, including grant amounts, eligibility criteria, and procedural mandates.

Who is Eligible for the NDMG Scheme?

The NDMG scheme targets a broad range of non-domestic applicants. Eligible sectors include commercial enterprises, agricultural operations, schools, community centres, and registered non-profit bodies (August 2026). This wide scope ensures that various organisations can benefit from financial support for solar PV installations.

A key benefit for applicants is the BER Exemption. A post-works Building Energy Rating (BER) assessment is not required for the Non-Domestic Microgen Grant (August 2026). This reduces administrative burden and costs associated with the grant application process.

Critical Requirements for NDMG Grant Approval

To successfully secure funding under the NDMG scheme, applicants must adhere to specific requirements. These are designed to ensure proper project execution and compliance with SEAI standards.

Letter of Offer Pre-Approval

A formal grant pre-approval, known as a Letter of Offer, must be received from SEAI before you purchase any equipment or begin installation work (August 2026). Projects that commence equipment procurement or site installation prior to receiving this official Letter of Offer are permanently disqualified from the grant (August 2026). This rule is strict and aims to prevent retrospective funding of projects.

Registered Installers Mandate

The installation of your solar PV system must be executed by an SEAI registered non-domestic solar installer (August 2026). Additionally, the installation must be certified by a Safe Electric Registered Electrical Contractor (REC) (August 2026). This ensures that all work meets professional safety and quality standards.

Navigating the Application Process and Avoiding Pitfalls

The NDMG scheme provides significant financial incentives, but the application process requires careful attention to detail. The strict requirement for a Letter of Offer before any work commences is a common pitfall. Ensure you have this formal pre-approval in hand to avoid disqualification.

Another critical aspect is selecting the right installer. Only contractors registered on the SEAI non-domestic installer list can draw down grant funds (August 2026). Verify your chosen installer's registration status before committing to any work.

For broader context on commercial solar planning in Ireland, you may find our guide on Ireland commercial and public solar planning exemptions helpful. Understanding the regulatory landscape is crucial for a smooth project.

Maximising Your Solar Investment

Beyond the NDMG grant, understanding the broader framework for connecting and exporting solar power is essential. The Clean Export Guarantee (CEG) offers payments for surplus electricity exported to the grid. Our guide on the CRU Clean Export Guarantee (CEG) decision paper framework provides details on this mechanism.

You should also be aware of the technical requirements for grid connection. The ESB Networks NC7 minigeneration connection and capacity limits define how your system can connect to the national grid. Refer to our guide on ESB Networks NC7 minigeneration connection and capacity limits for more information.

To estimate the potential size and output of a solar system for your specific needs, consider using a solar sizing tool. This can help you determine the optimal system capacity to align with the NDMG grant tiers and your energy consumption.

Frequently asked questions

What is the SEAI Non-Domestic Microgen Grant (NDMG)?

The SEAI Non-Domestic Microgen Grant (NDMG) is a capital funding framework provided by the Sustainable Energy Authority of Ireland for commercial, agricultural, public, and non-profit solar PV systems (August 2026). It offers tiered grant funding up to €162,600 (August 2026).

What are the grant amounts available under the NDMG scheme?

Grant amounts vary by system capacity: €900 for 1 kWp, €1,800 for 2 kWp, €2,100 for 3 kWp, and €2,400 for 4-6 kWp systems (August 2026). Larger systems receive €300 per kWp for 7-20 kWp, and €200 per kWp for 21-200 kWp (August 2026).

Is a BER assessment required for the NDMG scheme?

No, a post-works Building Energy Rating (BER) assessment is not required for the Non-Domestic Microgen Grant (August 2026). This simplifies the application process for eligible projects.

What is the maximum grant value for the NDMG scheme?

The maximum cumulative grant value available under the NDMG scheme is €162,600 for commercial installations up to 1,000 kWp (1 MW) (August 2026). This cap applies to the total funding received for a single project.

Can I start my solar installation before receiving a Letter of Offer?

No, projects that begin equipment procurement or site installation before receiving a formal Letter of Offer from SEAI are permanently disqualified from the grant (August 2026). You must secure pre-approval first.

References

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