Solar in Wales: Full Guide
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Solar panels in Wales — everything Welsh homeowners need to know: IRRADIANCE: Cardiff 980 kWh/kWp/yr, Swansea 970, Wrexham 910, Bangor 910 (PVGIS). SAVINGS (4kW): Cardiff £920/yr, Swansea £910/yr, Wrexham £860/yr. Payback: 8-11 years. GRANTS: (1) NEST SCHEME — free energy efficiency measures (including solar) for low-income households in EPC D-G homes. Welsh Government funded. Apply: nest.gov.wales. (2) 0% VAT — applies UK-wide including Wales. Saves £1,000-£1,600. (3) ECO4 — available in Wales through energy suppliers. PLANNING: Welsh permitted development rights are subtly different from England. Panels must not protrude more than 200mm, not above highest roof point. Conservation areas: panels must not face a highway. Listed buildings: listed building consent required (Welsh cadw). Sources: Welsh Government (gov.wales), Nest scheme (nest.gov.wales), PVGIS (re.jrc.ec.europa.eu), Ofgem.
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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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