VAT recovery on solar PV for UK farms

VAT treatment of UK farm solar PV is more nuanced than commercial PV in other sectors. The basic rule: VAT is charged at 20% standard rate on commercial solar installations and is fully recoverable by VAT-registered farm businesses. The complications: zero-rated installations in certain qualifying circumstances; partial exemption where the farm has both standard-rated and exempt income; transitional rules from VAT changes through 2022-2024.

Standard rate treatment (most farm installs)

For VAT-registered farm businesses (limited companies, partnerships, sole traders above VAT threshold), the standard treatment is: PV installation invoiced at 20% standard rate; full VAT recovery on the installer’s invoice; net effective cost is the ex-VAT amount.

For a typical 200 kW farm install at £160,000 ex-VAT: gross invoice £192,000 including £32,000 VAT; full £32,000 VAT recovered on the next VAT return; net effective cost £160,000.

Zero-rating considerations

VAT zero-rating may apply in specific circumstances:

• Energy-saving materials installed in residential property (charity-owned charity-occupied residential, or certain residential farm dwellings) — zero-rate from April 2022 to March 2027 (current scheme). Doesn’t typically apply to commercial farm buildings.

• Charity-owned charity-used buildings: zero-rate for solar PV on buildings owned and used by a registered charity. Doesn’t typically apply to commercial farms.

For most UK farm installs, zero-rating doesn’t apply and standard 20% VAT is charged. Verify with your accountant for specific scenarios.

Partial exemption considerations

For farms with both standard-rated income (e.g., commercial fresh produce, livestock sales) AND exempt income (e.g., certain insurance or financial services activities), partial exemption rules may limit VAT recovery on input costs. This is the technical area where farm accounting advice matters most.

Most commercial UK farms operate fully within the standard-rated bracket — partial exemption is unusual but can apply to diversified farm businesses with insurance broking, financial services, or certain other activities. Talk to your accountant about your specific position.

Capital goods scheme

Large commercial PV installations (above £250,000 net of VAT) may fall under the Capital Goods Scheme rules — which require adjustment of VAT recovery over a 10-year period based on the proportion of taxable use. This is unusual for typical farm installs but can apply to very large multi-building projects.

Practical guidance

For most UK farm projects: assume 20% standard-rate VAT on the installer invoice; assume full VAT recovery for VAT-registered farm businesses; net effective cost is the ex-VAT amount.

Document: the installer’s VAT-inclusive and VAT-exclusive invoice; the VAT recovery on the next VAT return; any partial exemption calculations if relevant.

Talk to your accountant before commissioning if: the farm has unusual partial exemption position; the project exceeds £250,000 net (CGS rules); the farm has charity status or operates in unusual sectoral configuration.

Why this matters for the business case

For incorporated farms at 25% corporation tax claiming 100% AIA on the PV install: ex-VAT effective cost is the AIA-claimable amount. With £160,000 net cost and £40,000 year-one tax relief, the net effective post-tax investment is £120,000. The £32,000 VAT recovery is cash-positive on the VAT return cycle independent of the AIA claim — meaning the gross cash position recovers quickly even before the corporation-tax benefit fully crystallises.

For sole-trader and partnership farms, the same VAT recovery applies (where VAT-registered). The AIA position differs based on individual marginal tax rates.