Solar Electricity Savings 2026
Independently written
How much do solar panels save in 2026?
2026 UK solar electricity savings (at Ofgem Q1 2026 cap 24.5p/kWh): 4kW no battery: £580/year. 4kW + 10kWh battery: £820/year. 4kW + battery + Octopus Flux: £1,100/year. 6kW + battery + Flux: £1,500+/year. These are based on: PVGIS UK yield data, 50% self-consumption (no battery) or 80% (with battery), SEG at 4.5p (fixed) or 12p average (Flux). Savings increase if electricity prices rise — every 1p/kWh adds £20-40/year.
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