Grants & Incentives in United Kingdom (2026)
We cover 255 locations across 10 regions of United Kingdom. Electricity prices in our dataset range from £0.2632 to £0.2632 per kWh depending on region — a spread of 0%, which is why solar grants and incentives are worth materially different amounts in different parts of the country. Roof area is measured in square metres here. Grant, rebate and export-tariff schemes differ by country and by region, and the amount they are worth depends on the electricity price you are offsetting.
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Support schemes in United Kingdom (2026): in force and ended
These are the nationally administered schemes recorded for United Kingdom, each with its status today, dates and an official source. Last verified October 16, 2026. Terms and eligibility are set by each administering body — confirm current details with that body before applying.
0% VAT on installing solar panels in residential accommodation
active · to 2027-03-31
HMRC VAT Notice 708/6: the zero rate applies until 31 March 2027; from 1 April 2027 installations revert to the reduced rate of 5%. The calculator assumes the per-watt installed price is quoted at the 0% rate and adds 5% for installs after the end date.
- How to apply:
- Applied by your VAT-registered installer
- Note:
- Reverts to 5% on 1 April 2027
- Source:
- Official page
Smart Export Guarantee (SEG)
active
Suppliers with at least 150,000 domestic electricity customers must offer SEG tariffs; smaller suppliers may opt in. Each licensee sets its own tariff, which must be above zero. Ofgem publishes no official export rate, so the calculator uses a labelled generic assumption for export value.
- How to apply:
- Apply to an SEG licensee after an MCS-certified installation
- Note:
- Rates set independently by each supplier
- Source:
- Official page
Energy Company Obligation (ECO4)
active · to 2026-12-31
Ofgem: ECO4 'will run until 31 December 2026, following a nine-month extension'. Flex declarations are valid until 31 December 2026 (notifications can be submitted to the flex portal until 28 February 2027).
- How to apply:
- Through a scheme-registered installer or your local authority
- Note:
- Ends 31 December 2026
- Source:
- Official page
VAT removed from domestic electricity bills
active · to 2027-03-31
Lowers the avoided cost per kWh that solar replaces; the calculator's UK electricity rate uses the VAT-free price-cap figure.
- How to apply:
- Automatic
- Note:
- Applies to the 1 Oct - 31 Mar window
- Source:
- Official page (partly verified)
Great British Insulation Scheme (GBIS)
expired · to 2026-03-31
DESNZ: 'GBIS will end as planned on 31 March 2026.'
- How to apply:
- Not available
- Note:
- Ended 2026-03-31
- Source:
- Official page