What the Solar + Heat Pump Bundle delivers
Combining rooftop solar PV with air-source or ground-source heat pumps delivers heat at near-zero marginal cost during daylight hours. Best suited to dairy parlour washdown, building space heating, hot water for cleaning, and pig finisher house heating.
Standard Solar + Heat Pump Bundle scope
Standard solar+heat pump bundle: 200-400 kW PV; ASHP or GSHP rated 50-200 kW thermal output; thermal store for time-decoupling generation from demand; intelligent control routing PV to heat pump priority loads. CoP 3-4 typical for ASHP, 4-5 for GSHP.
Economics in 2026 prices
For a typical dairy install: 250 kW PV + 80 kW ASHP for parlour washdown + thermal store. Capex roughly £200,000 + £55,000 + £15,000 = £270,000. 100% AIA delivers approximately £67,500 year-one tax saving. Annual savings: PV £45,000 + heat-pump-replacing-LPG £18,000 = £63,000. Simple payback 4.3 years after AIA.
Why specify the parts together
Specifying the parts together keeps one G99 grid connection application, one monitoring portal and one set of warranties. Ask each installer to price the combined scope and the parts separately so you can compare.
Before you ask for quotes
Gather your half-hourly meter data and a short brief on your goals: fleet electrification plans, supplier-audit requirements, capital position and planned building work. Ask each installer for a desk feasibility study and what it costs. This site is independent guidance, not an installer: send your details through the form and we reply by email.
Common questions
What's the total capex for a typical Solar + Heat Pump Bundle?
Varies by farm scale. our washdown + thermal store. . The installer delivers fixed-price proposals of receiving meter data.
Can the Solar + Heat Pump Bundle be financed?
Yes — asset finance over 5-10 years for the entire bundle is typically EBITDA-positive from month one for installs with strong daytime baseload. PPA available for systems above 250 kW. Capital purchase with 100% AIA for incorporated farms.
How long does the bundle take from contract to commissioning?
Most bundles complete in 6-9 months from contract signature. The longest item is typically DNO G99 grid connection (6-14 months on most rural feeders, running in parallel). Physical install on-site is typically 4-8 weeks.
Is the bundle eligible for AIA tax relief?
Plant and machinery components (panels, inverters, batteries, EV chargers, heat pump units) are 100% AIA eligible up to the £1m annual cap. Building fabric (re-roofing, structural reinforcement) typically isn't but may have other tax treatment. A good installer provides itemised invoices supporting clean accountant claim.