Solar Tax Relief Cheatsheet: AIA, Not Full Expensing
The 2-page cheatsheet we hand to commercial customers' finance directors and accountants — every line item that qualifies, what doesn't, and how to claim correctly.
What's inside
- What qualifies
Every line of commercial solar capex eligible for Annual Investment Allowance (AIA) — panels, inverters, batteries, mounting, BoS, install labour, electrical works - What doesn't qualify
Maintenance contracts, panel cleaning, monitoring subscriptions, building modifications — and why - Why AIA, not Full Expensing
Why solar is special-rate plant, and what applies above the £1m AIA limit - Worked example
£200k system → £150k effective capex at 25% CT — step by step - Filing checklist
Documents your accountant needs at year-end to claim correctly - Special cases
Hire-purchase, operating lease, second-hand purchase — what changes
Written by: Steve Moran & Kieren Myler, KMM Energy Solutions co-founders. Based on 5,000+ installs (team + network) across Australia and the UK.
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