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, which are available through the Sustainable Energy Authority of Ireland (SEAI), up to a maximum of €2,100.
SEAI report that in 2023, the average size of a grant-supported domestic solar PV system installation was 5.19kWp, rising from 4.7kWp the previous year. As part of the grant application process, the value of Solar PV installations are entered by the Solar PV installers. However, this cannot be validated by SEAI and is ultimately a matter for homeowners and their solar pv installers. In 2023 the average cost reported for a 5.19kWp system was €11,924, before the grant is taken into account.
Thus far in 2024, these respective figures are an average solar PV system size of 5.5 kWp, with an average reported installation costs of €11,419. All costs are excluding the grant
The figures a summarised in the table below.
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2023
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2024
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Average Cost to install (before grant)
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€ 11,924
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€ 11,419
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Average system size
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5.19kWp
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5.5kWp
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