Solar Lifetime Cost UK

Find out how much you could save
Answer a few questions and receive personalised solar quotes — completely free.
Start My QuoteFree, no obligation. Takes 2 minutes.




Ready to see how much you could save?
Get 3 free quotes from MCS-certified installers in your area.
Get Free QuotesWhat is the total lifetime cost of solar?
25-year solar lifetime cost (4kW system): Installation: £6,750. Inverter replacement (yr 12): £1,000. Cleaning (8 cleans): £800. TOTAL COST: £8,550. 25-year benefits: Bill savings: £12,540-£20,500. SEG income: £1,960-£5,000. TOTAL BENEFIT: £14,500-£25,500. NET PROFIT: £5,950-£16,950. ROI: 70-198%. With battery + smart tariff: costs increase to £16,250 but benefits increase to £27,000+. Net profit: £10,750+.
Frequently Asked Questions
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.
Heat pump installation typically takes 2-3 days and is best planned alongside solar.
From our sister site Home Heat Pump Guide
You might also like
Ready to see what solar could save you?
Get free, no-obligation quotes from MCS-certified installers in your area.
Get Free QuotesFree, no obligation. Takes 2 minutes.
