Solar in Northern Ireland: Guide
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Solar panels in Northern Ireland — the complete 2026 guide: IRRADIANCE: Belfast 870 kWh/kWp/yr, Derry 840. Lower than England but still viable. SAVINGS (4kW): Belfast £630/yr, Derry £600/yr. Payback: 10-13 years. ELECTRICITY MARKET: NI electricity is regulated by the Utility Regulator NI (not Ofgem for retail). Prices differ from GB — typically slightly higher. GRANTS: NIHEE (Northern Ireland Housing Executive) grants for energy efficiency. Community energy schemes. 0% VAT applies (UK-wide policy). PLANNING: NI has its own planning system (Planning Act (Northern Ireland) 2011). Permitted development for solar is similar to England but check with your council. SEG: The Smart Export Guarantee applies in NI. MCS certification required. Same suppliers available. Sources: Utility Regulator NI (uregni.gov.uk), NIHEE, NI Planning, PVGIS.
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Related: Home Heating Systems
Solar panels are most powerful when combined with an efficient heating system. Heat pumps use solar-generated electricity to heat your home at 300-400% efficiency — making them the ideal partner for solar.
Heat pumps use electricity at 300-400% efficiency, making them ideal partners for solar.
A heat pump converts 1kWh of electricity into 3-4kWh of heat.
From our sister site Home Heat Pump Guide
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