Ireland: is home solar worth it?
A typical 4kW residential system — compiled August 2026.
Typical 4kW system, installed cost
€4,700
Payback estimate
~15 years
Estimated simple payback: €4,700 system cost ÷ ~€312/year export income at 1,600 kWh exported/year via Clean Export Guarantee (CEG) (€0.195/kWh)
Cost shown already includes the SEAI Solar PV Grant (up to €1,800). Source: SEAI grant-adjusted installer quotes 2026; average CEG rate across suppliers
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System cost, export rate and payback vary by installer, roof orientation, and your own usage pattern — this is a typical-scenario estimate, not a quote. This is not financial advice.