FAQs

Everything you wanted to ask.

Honest, expert answers on renewable energy — from cost and savings to installation and aftercare.

Typical 4–6 kWp installs range £6,000–£10,000 depending on panels, battery and access. All Glow Grid quotes are itemised and fixed-price.

Battery storage lifts self-consumption from ~30% to 70–90%, adding £300–£600/yr in savings on top of solar.

Yes — the Smart Export Guarantee pays you for exported energy, and 0% VAT currently applies to residential solar, batteries and heat pumps.

Free consultation → property survey → bespoke design → installation (1–3 days for most homes) → commissioning → ongoing monitoring and aftercare.

Very little. We recommend a professional inspection every 3–5 years. Remote monitoring flags issues instantly.

Panels: 25–30 years performance. Inverters: 10–12 years. Batteries: 10 years. Workmanship: 10-year Glow Grid guarantee.

Yes — flexible finance from regulated lenders, often at a monthly cost lower than your projected savings.

Absolutely. Modern panels generate meaningfully even on overcast days. Every design accounts for local irradiance data.