Energy Independence: Solar, Battery & Air Source Heat Pump — Didsbury

4.85kW Solar + Tesla Powerwall 3 (13.5kWh) + Samsung 9kW Air Source Heat Pump

System size

4.85 kW

Battery

13.5 kWh

Payback

4.5 yrs

Year 1 savings

£1,850

25-year savings

£125,507

Before

Electricity: 6,000 kWh/yr — £1,750
Gas (heating & hot water): 10,000 kWh/yr — £650
Total: £2,400/yr

After

Electricity: £750/yr
Gas: 0 kWh/yr — £0
Total: £750/yr (69% lower)

Total bills under £750 — gas removed

The project

This Didsbury homeowner went all-in on energy independence. We replaced the gas boiler with a Samsung 9kW air source heat pump and paired a 4.85kW solar array with a 13.5kWh Tesla Powerwall 3. Gas consumption is now zero and total annual energy bills sit under £750 — down from £2,400.