Heat Pump and Solar Panels Together: The Complete Whole-Home Energy System

## Why Heat Pump + Solar Changes the Economics A heat pump alone switches you from 6p/kWh gas to 24p/kWh grid electricity — which isn't always cheaper despite 3:1 efficiency. Add solar panels generating electricity at effectively zero running cost, and your heat pump runs free during daylight hours. Annual heating bills can fall by 80–90% versus a gas boiler. ## System Design Principles Match heat pump running times to solar generation windows (9am–4pm summer, 10am–2pm winter). Use 9.5kWh+ battery storage (GivEnergy, Tesla Powerwall 3) for pre-charging on cheap overnight tariff (Octopus Flux). Size solar for your increased electricity load — typically 6–7kW system vs the standard 4kW. ## The £7,500 BUS Grant The Boiler Upgrade Scheme provides £7,500 toward an air source heat pump (£5,000 for ground source). No income limit. SMS is an approved BUS installer covering all areas. ## Full System Economics 4-bed semi, North West: Solar (£7,500) + heat pump net after grant (£2,000) + battery (£3,500) = £13,000 total investment. Annual energy cost falls from £2,300 to £80. Saving: £2,220/year. Payback: 5.9 years. ## Best Locations Chester and Cheshire (mild microclimate), Warrington new builds (solar-ready), Yorkshire Dales and North Yorkshire off-gas-grid, Lancashire rural properties, Cumbria off-grid farms. ## Get a Survey Call 0800 099 6606 for a whole-home energy assessment.