How much could solar save your business?

Get a personalised estimate of your annual saving, payback period and carbon reduction for your site — in under a minute. Built for UK manufacturers and commercial property owners.

⚡ MCS / PVGIS yield data 📍 Region-adjusted sunlight 💷 Includes capital-allowance tax relief ⏱ Takes ~60 seconds

Tell us about your site

Business type

Sets a typical daytime usage profile. Manufacturing uses most of its solar on-site — the best economics.

Region

Drives the sunlight hours for your area. Pick the closest region to your site.

Site postcode (optional — exact local sunlight)

Leave blank to use your region's average, or enter it for your exact location (PVGIS, the EU solar database).

Your electricity use

My figure includes VAT (we'll convert to ex-VAT)

Your total yearly electricity cost. Small site ~£30k; large factory ~£500k+.

Usable roof area

m²

I don't know my roof size — estimate it from my energy use

Approximate footprint of your factory/warehouse roof. Tip: length × width of the building. A football pitch ≈ 7,000 m².

Roof type

Flat roofs use tilted rows with spacing between them; pitched roofs fit more panels per m².

Electricity price25p

p/kWh you pay (ex-VAT, incl. CCL).

Self-consumption75%

Share of solar used on-site vs exported. The #1 payback driver.

Export tariff (SEG)8p

p/kWh paid for surplus you export.

System cost£900auto

£/kWp installed (ex-VAT). Auto-set by size; override with a quote.

Specific yield900region

kWh per kWp/yr for your region.

Maintenance (O&M)£10

£/kWp/yr monitoring & cleaning.

Electricity inflation4%

Annual price rise used for the 25-yr projection.

Panel size550W

Affects panel count display only.

Show net cost after capital-allowance tax relief

Corporation tax rate

Estimated net saving

£0 / year

Payback

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System size

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Bill offset

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Annual generation

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Simple payback

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on net cost

CO₂ saved / year

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Roof used

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£0net saving over 25 years

🔒 Unlock your full report

See your 25-year savings & payback chart

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Your 25-year outlook

£0cumulative net saving over 25 years

Cumulative net saving Payback point

Investment & energy split

Installed cost (ex-VAT)

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Net cost after tax relief

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Solar used on-site vs exported (year 1)

— used on-site — exported

Talk it through

Want to talk through your savings?

A CH Group specialist can walk you through these numbers and your funding options — no pressure, no obligation. Tell us where and when to call.

Your name

Company

Phone number

Add a phone number so we can call you — or just download your report instead.

Your role (optional)

When shall we call?

We aim to call back within ~30 minutes during UK office hours.

or pick a time yourself →