Sub-vertical guide · Updated 12 May 2026

Solar panel grants for Horticulture

Lighting and HVAC load. Major Scottish and Welsh sector. Strong solar economics on controlled-environment growing facilities.

Grant stack for Horticulture

Horticulture businesses typically combine multiple funding routes for commercial solar projects:

• Tax relief: 100% Full Expensing (limited companies) or AIA (partnerships, sole traders)
• Export income: Smart Export Guarantee — 3p-15p/kWh on exported electricity
• Sector grants: See parent farms sector guide for the primary grant routes
• REGO sales (systems above 50kWp): additional 0.8-2p/kWh equivalent revenue
• Regional schemes: Growth hub grants, devolved nation funding — see locations hub

Horticulture energy profile

Lighting and HVAC load. Major Scottish and Welsh sector. Strong solar economics on controlled-environment growing facilities.

This sub-vertical typically benefits from solar PV economics because the load profile aligns well with solar generation hours. Combined with the parent sector's primary grant routes and the universal UK tax reliefs, projects in this sub-vertical commonly deliver post-tax payback of 4-6 years and 25-year IRR of 14-22%.

Next steps for Horticulture

1. Read the full farms sector guide for sub-vertical-specific case studies, grant stack and watch-outs.
2. Run the eligibility calculator for a personalised funding match.
3. Browse case studies for project economics in similar businesses.
4. Compare finance routes against your capex availability and tax position.

FAQs

Horticulture solar · FAQs

What solar grants apply to horticulture in 2026?

Horticulture businesses typically access the parent farms sector grant stack — see the farms sector guide for full details — plus sub-vertical-specific considerations covered below. The headline route depends on business structure (limited company, partnership, sole trader) and energy spend.

What size solar system suits horticulture?

System sizing depends on annual electricity consumption and roof area. Horticulture businesses typically operate at scales requiring 50-500kWp commercial PV. The cost & payback page covers each system size band.

What's the typical payback for horticulture solar?

After 100% Full Expensing for limited companies, typical post-tax payback is 4-6 years for this sub-vertical. Strong self-consumption profiles compress payback further; export-led economics extend it.

Where can I find case studies for horticulture?

See our case studies hub for detailed anonymised projects across automotive, food production, schools and farms. The farms sector page has additional sub-sector breakdowns.