Solar Panels in Belfast — 2026 Guide
Based on a typical system size, average energy prices and a typical home — your figure will differ.
Is Belfast a Good Place for Solar Panels?
Belfast receives an average of 1374 hours of sunshine per year — below the UK average of 1,493 hours, though solar panels still generate meaningful power. Combined with Northern Ireland’s energy prices tracking the UK average, solar panels installations here may offer good value (individual results will vary).
Belfast has a population of 345,000, and the area falls within the Northern Ireland region. We recommend getting at least 3 quotes to compare prices.
Solar Panels Costs in Belfast (2026)
| System size | Typical cost | Could save (est.) | Payback (est.) |
|---|---|---|---|
| 3kWp | £3290–£4850 | up to £390/yr | ~11 yrs |
| 4kWp (most common) | £5430–£7000 | up to £630/yr | ~10 yrs |
| 6kWp | £7550–£10950 | up to £960/yr | ~9 yrs |
Source: Green Reach Energy research, July 2026. Prices are estimates and include installation and VAT. Actual costs may vary.
Our installer quote-comparison service is launching soon. Register your interest and we’ll let you know when you can compare local installers.
Available Grants in Belfast
Solar panels in Belfast qualify for 0% VAT until March 2027. The Smart Export Guarantee pays 4p–15p/kWh for surplus electricity you export to the grid.
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Find Installers in Belfast
We recommend getting at least 3 quotes from qualified installers before making a decision. Check reviews, ask for local references, and make sure warranties are clearly stated in writing.
What to check before hiring an installer in Belfast
- Qualifications — check the installer holds relevant qualifications and certifications for solar panels before signing any contract
- Local references — ask for completed jobs in Belfast or County Antrim
- Reviews — check online reviews before committing
- Warranty — product and workmanship warranties should be clearly stated in writing
- 3 quotes minimum — we recommend comparing at least three quotes to ensure you get a fair price
Frequently Asked Questions
How much do solar panels cost in Belfast?
Is there a grant for solar panels in Belfast?
Solar panels in Belfast qualify for 0% VAT until March 2027. The Smart Export Guarantee pays 4p–15p/kWh for surplus electricity you export to the grid.
How long is the payback period in Belfast?
Do I need planning permission in Belfast?
How do I find a good installer in Belfast?
Belfast on the map
