5 guides on costs and payback — buyer-side, plain-English, with current UK numbers.
A line-by-line worked example of commercial battery storage ROI for a UK SME: capex, the three revenue stacks (self-consumption shift, peak shaving, time-of-use arbitrage), cycle-life and degradation, AIA tax treatment, and simple vs discounted payback. Illustrative numbers you can re-run against your own bill.
The single biggest driver of commercial solar returns isn't how much you generate — it's how much you use on site. Here's how to get your half-hourly data, read it, and use it to model self-consumption honestly.
A Power Purchase Agreement puts solar on your roof with no upfront cost — someone else owns it and sells you the power cheaply. It's genuinely useful in the right case, but you give up the returns that make owning so lucrative. Here's the honest trade-off.
An honest, jargon-free breakdown of commercial solar payback periods in the UK for 2026 — the inputs that matter, the assumptions installers don't always volunteer, and how to sanity-check any quote you get.
There's no big cash grant for ordinary SME commercial solar in 2026 — the real money is in tax relief and exemptions. Here's exactly what's available, what isn't, and how the financial case actually stacks up.