Solar Panels: Complete UK FAQ

Independently written
Complete solar FAQ
Every question answered in one place — the definitive UK solar FAQ.

What do I need to know about solar?

Complete UK solar FAQ: COST: £5,500-£8,000 (4kW, 0% VAT). SAVES: £580-£1,100/yr. PAYBACK: 8-12 years. ROI: 100-400%. LIFESPAN: 25-30+ years. WORKS IN CLOUD: yes (10-30% output). PLANNING: usually not needed. MAINTENANCE: near-zero. GRANTS: 0% VAT + SEG (no direct grant for most). BATTERY: optional £3,000-£7,500. BEST TARIFF: Octopus Flux (battery) or Go (EV). INSTALLATION: 1-2 days. TOTAL PROCESS: 3-6 weeks. GETTING STARTED: get 3+ MCS quotes → compare → install.

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