Solar Lifetime Cost UK
Independently written
What 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+.
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