Get Up to 4 Commercial Solar Quotes from Experienced Installers in Ireland
Compare prices from SEAI-registered commercial solar installers across Ireland. For businesses, farms, factories, and agricultural sites.
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Compare quotes, pick the best deal, and access grants up to €162,600 plus ACA tax relief.
Why Compare Quotes?
Prices Vary by Tens of Thousands
Commercial solar quotes can vary by €20,000+ for the same size system. Installer experience, component quality, and system design all affect long-term yield — compare to avoid overpaying or underspec'ing.
Unlock Multiple Grants
SEAI Non-Domestic Microgen grant (up to €162,600), TAMS 3 (farms, up to 60%), and ACA (100% first-year capital allowance) can stack to cut net cost dramatically. Experienced installers guide the paperwork.
4–7 Year Payback
Most commercial systems pay back in 4–7 years. Businesses with high daytime electricity use see faster payback because they self-consume more generation.
Clean Export Guarantee
Sell excess generation back to the grid at 15–25c per kWh (varies by supplier). A well-designed commercial system balances self-consumption against export.
Commercial Solar Costs in Ireland (2026)
Typical ranges — exact price depends on roof type, grid connection, and installation complexity.
| System Size | Typical Site | Install Cost | After Grants | Payback |
|---|---|---|---|---|
| 20 kWp | Small shop / office | €18,000–€24,000 | €10,000–€16,000 | 4–6 yrs |
| 50 kWp | SME / medium farm | €45,000–€60,000 | €25,000–€40,000 | 4–6 yrs |
| 100 kWp | Warehouse / large farm | €85,000–€115,000 | €45,000–€75,000 | 5–7 yrs |
| 250 kWp | Factory / dairy | €200,000–€275,000 | €110,000–€180,000 | 5–7 yrs |
| 500 kWp+ | Large industrial | €380,000+ | €200,000+ | 5–8 yrs |
Grants: SEAI Non-Domestic Microgen up to €162,600, TAMS 3 up to 60% for farms, ACA 100% first-year tax allowance. 2026 estimates.
Frequently Asked Questions
Commercial solar systems typically cost €800–€1,200 per kWp installed. A 50 kWp system for a small business runs €40k–€60k, while a 250 kWp system for a larger site runs €200k–€300k. SEAI Non-Domestic grant covers up to €162,600, plus ACA 100% first-year capital allowance reduces tax bill.
Businesses can access the SEAI Non-Domestic Microgen grant (up to €162,600 on systems up to 1,000 kWp) and the Accelerated Capital Allowance scheme (100% first-year tax write-off). Farmers may also qualify for TAMS 3 grants of up to 60% for solar under the Solar Capital Investment Scheme.
Most commercial systems pay back in 4–7 years. Businesses with high daytime electricity use (factories, farms, offices) see faster payback because they self-consume more of the generated power.
Yes, 100% free. There are no fees and no obligation to accept any quote.
Yes. Under the Clean Export Guarantee, businesses can sell excess solar to the grid at a rate set by their supplier (currently 15–25c per kWh depending on provider).
Commercial installations typically take 2–6 weeks depending on system size and roof/ground complexity. Grid connection timelines depend on ESB Networks.
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Solar Info has tracked Ireland's SEAI-registered installer network since 2024. Read our editorial policy or about us.
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