Written answers

Tuesday, 29 July 2025

Department of Environment, Community and Local Government

Departmental Schemes

Photo of Pa DalyPa Daly (Kerry, Sinn Fein)
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228. To ask the Minister for Environment, Community and Local Government to provide a breakdown of the average cost to install domestic solar PV under the solar PV scheme and the average size of systems installed on homes in kWp, in each of the years 2020 to 2025, in tabular form. [42768/25]

Photo of Darragh O'BrienDarragh O'Brien (Dublin Fingal East, Fianna Fail)
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The Microgeneration Support Scheme (MSS) was approved by Government on 21 December 2021, to support Ireland’s ambitious targets for micro-generation installations, under the Climate Action Plan. The MSS provides supports to both domestic and non-domestic applicants, in the form of grants for Solar PV installations, up to a maximum of €1,800 in 2025 for household installations. These grants are available through the Sustainable Energy Authority of Ireland (SEAI).

The SEAI maintains data regarding the financing and functioning of the Domestic Solar PV scheme and has facilitated the information in response to your question.

See below a breakdown of the average cost to install solar PV to date. It should be noted that these costs represent the value of Solar PV systems as entered by Solar PV installers during the grant application process and are excluding the grant.

Year Size (kWp) Cost of Installation
2020 3.69 €10,223
2021 4.00 €9,931
2022 4.65 €11,586
2023 5.19 €11,924
2024 5.68 €10,967
2025 5.98 €10,552
  1. Figures to end of June 2025

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