I imagine the costs of purchasing and installing the panels in the UK are similar, but in Ireland there's definitely grants: https://www.citizensinformation.ie

I imagine the costs of purchasing and installing the panels in the UK are similar, but in Ireland there's definitely grants: https://www.citizensinformation.ie/en/housing/housing-grants-and-schemes/grants-for-home-renovations-and-improvements/grants-for-solar-panels/ https://www.citizensinformation.ie/en/housing/housing-grants... You do make a good point about VAT on electricity bills also being a factor in the break even calculation. In Ireland it's 9% and that's a temporary cost of living measure and will revert to 13.5% in 2030.