Average Payback Period
The average payback period for solar panels in Manchester is 6-8 years. This assumes a 4kW system costing £6,000-£7,000 with annual savings of £600-£900. With battery storage, payback can be 7-9 years but with higher long-term savings.
Factors Affecting Payback
Your payback depends on: system size and cost, how much electricity you use during the day, your energy tariff, whether you add battery storage, roof orientation, and SEG export rates. South-facing roofs achieve faster payback.
After Payback
Once your system has paid for itself, you enjoy 15-20+ years of near-free electricity. With panels warranted for 25 years and lasting 30+, the total profit from a Manchester solar installation is typically £10,000-£20,000.
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