Solar Diverter Immersion Heater UK: Your 2026 Complete Guide to Free Hot Water
☀️ Updated · June 2026 Still exporting surplus solar electricity for peanuts? A solar PV immersion controller could be the smartest — and cheapest — upgrade your solar system makes this year. 💰 Save £220–£380/year ⚡ From £300 fully installed 🔄 Payback in 1.5–3 years 📈 Import rate 24.5p/kWh — Ofgem Q2 2026 If you’ve…










