Solar panels in Northampton
£3,354 to £10,554 installed, 1,448 hours of sun a year, and 13,085 installations already in the council area.
What a system costs in Northampton
3kWp
£3,354–£4,486
Saves up to £373 a year. Pays back in about 11 years.
4kWp (most common)
£5,352–£6,767
Saves up to £580 a year. Pays back in about 10 years.
6kWp
£7,816–£10,554
Saves up to £853 a year. Pays back in about 11 years.
Source: Home Energy Quotes Cost Index, costs modelled June 2026, savings at the October to December 2026 price cap. Prices are estimates and include installation and VAT. Actual costs may vary.
Northampton in numbers
Published statistics for the West Northamptonshire council area, not our estimates.
At the end of 2025 there were 13,085 solar PV installations in the West Northamptonshire council area, about 75.8 for every 1,000 households, with 223.8 MW of capacity between them. The count covers every size of installation, on homes and businesses. 43% of homes with an EPC in the West Northamptonshire council area are rated D to G, and the median energy score is 70, which is band C.
| West Northamptonshire council area | Figure | Source |
|---|---|---|
| Solar PV installations (all sizes) | 13,085 (75.8 per 1,000 households) | DESNZ, end of 2025 |
| Homes with an EPC rated D to G | 43% | ONS, EPCs lodged to March 2025 |
| Median EPC energy score | 70 (band C) | ONS, EPCs lodged to March 2025 |
| Households on mains gas heating only | 72.9% | Census 2021, ONS |
| Warm Homes: Local Grant, 2025 to 2028 | £2,606,931 allocated to West Northamptonshire | DESNZ, list updated July 2026 |
| Electricity network operator | National Grid Electricity Distribution (East Midlands) | NESO licence area boundaries |
Northampton is served by National Grid Electricity Distribution, the electricity network operator for East Midlands. Solar panels have to be registered with the network operator. Your installer normally does this: smaller systems are notified after installation, and larger ones need approval before work starts.
These are published official statistics for the West Northamptonshire council area, which covers Northampton, not Home Energy Quotes estimates. Sources checked 6 October 2026.
Is Northampton a good place for solar panels?
Northampton receives an average of 1448 hours of sunshine per year — close to the UK average of 1,493 hours. Combined with East Midlands’s energy prices tracking the UK average, solar panels installations here may offer good value (individual results will vary).
Northampton has a population of 243,520, and the area falls within the East Midlands region. We recommend getting at least 3 quotes to compare prices.
Find Installers in Northampton
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 Northampton
- Qualifications — check the installer holds relevant qualifications and certifications for solar panels before signing any contract
- Local references — ask for completed jobs in Northampton or Northamptonshire
- 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
Questions about solar panels in Northampton
How much do solar panels cost in Northampton?
How many solar panel installations are there in Northampton?
Is there a grant for solar panels in Northampton?
Solar panels in Northampton qualify for 0% VAT until March 2027. In Great Britain, the Smart Export Guarantee pays for surplus electricity you export to the grid, at a rate each supplier sets.
How long is the payback period in Northampton?
Do I need planning permission in Northampton?
How do I find a good installer in Northampton?
Get quotes for your roof in Northampton
Up to three approved installers who cover Northampton may contact you. Free, no obligation.
Northampton on the map
Solar Panels in nearby towns
Last reviewed: . Costs are modelled estimates from the Home Energy Quotes Cost Index — see how we calculate them. Grant rates are checked against GOV.UK.