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Non-Domestic Microgeneration Grant
Commercial Solar Grant Calculator
For Irish businesses, farms, schools and community organisations.
Type of organisation
System details
2 kWp50 kWp200 kWp1,000 kWp
20c35c45c
Check your electricity bill for your exact unit rate. Higher rates = better solar ROI.
NDMG grant for 20 kWp system
€10,600
Based on 2026 SEAI NDMG rates
€13,400
Net cost after grant
€4,728/yr
Estimated savings
2.8 yrs
Payback period
€1,675
Tax saving (ACA)
Full financial breakdown
Estimated installed cost (20 kWp)
Rough estimate — get quotes for accurate pricing
€24,000
NDMG grant
− €10,600
Net cost after grant
€13,400
Accelerated capital allowance (12.5% corp tax)
Extended to end of 2030. Sole traders: income tax rate applies
− €1,675
Effective net cost
€11,725
NDMG 2026 grant tiers
First 2 kWp
€900 / kWp€1,800
2 – 10 kWp
€600 / kWp€4,800
10 – 50 kWp
€400 / kWp€16,000
50 – 1,000 kWp
€150 / kWp€142,500
Maximum grant
€162,600
NDMG grants are available for systems up to 1,000 kWp. The applicant must be a commercial electricity customer (not domestic).
Get matched with a commercial installer
We'll send you this report and connect you with SEAI-registered commercial solar installers who handle NDMG applications.
Official SEAI Resource — always verify grant details directly with SEAI before applying.
Last verified: 2026-06-01