Through the SEAI domestic grant scheme, up to 36,500 solar PV systems were fitted in 2025 making it the busiest sector for Wizer Energy. 

“Estimates suggest we now have approximately 7% penetration of the domestic stock, while the commercial uptake is still between 1 to 2%,” Martin Desmond explains. “The thinking in the industry is that the domestic market will decline over the next few years and that the commercial arena will pick up pace at the same time.” 

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