- Renovation Costs Ireland

Solar Panel Cost After SEAI Grant (2026)

Solar panel cost after the SEAI grant in Ireland, including system pricing, grant deductions, VAT treatment, additional costs and realistic homeowner budgets.

Typical net cost after grant: €5,700–€11,700

What Solar PV Costs After Grant

The SEAI Solar PV grant reduces the upfront cost of domestic systems, with a maximum source-page grant of €1,800.

Typical pre-grant installation cost is €7,500–€13,500, while most systems fall around €5,700–€11,700 net after grant.

Homeowners normally fund the installation first and receive the grant after the required post-install documentation is completed.

Grant Structure & Typical Net Costs

Up to 2 kWp: €900 grant

Up to 4 kWp: €1,800 grant

Above 4 kWp: €1,800 maximum

The grant becomes a smaller percentage of project cost as system size increases.

System Cost & Inclusions

Typical Pre-Grant Cost

2.0–2.8 kWp: €5,500–€7,500

3.2–4.5 kWp: €7,800–€10,500

5.0–6.5 kWp: €9,800–€13,500

Usually Included

Panels, inverter, mounting system and electrical works

Installation labour and commissioning

Battery storage is usually excluded

Net Cost by System Size

System Size	Pre-Grant Cost	Grant	Net Cost
2.5 kWp	€6,500	€900	€5,600
4.0 kWp	€9,000	€1,800	€7,200
5.5 kWp	€11,000	€1,800	€9,200
6.5 kWp	€13,000	€1,800	€11,200

Most domestic systems installed today fall around €7,000–€9,500 net on the source page.

Grant Payment, VAT & Timing

Domestic solar PV supply and installation benefits from 0% VAT on private dwellings.

The grant process normally requires approval before installation, then completion by a registered contractor and post-works documentation.

Typical payment processing is 4–8 weeks after documentation submission.

Worked Project Examples

System	Installed Cost	Grant	Net Cost	7% Contingency	Planning Allowance
~4 kWp / 10 panels	€8,800	€1,800	€7,000	€616	€7,616
~5.5 kWp / 14 panels	€11,200	€1,800	€9,400	€784	€10,184
~7 kWp	€13,200	€1,800	€11,400	€924	€12,324