Estimate your UK commercial electricity and gas costs in minutes. Select your business sector, enter your premises size and operating hours, and get an instant annual cost range based on current Ofgem average tariff data.
Note: This calculator provides estimates based on typical UK small business energy rates (electricity: 26p/kWh, gas: 7p/kWh). Actual costs will vary based on your supplier, tariff, contract terms, and usage patterns. Always compare quotes from multiple suppliers for accurate pricing.
UK business energy bills are made up of two main components:
Your total commercial energy bill combines both elements plus VAT and applicable levies. Use the calculator above to estimate costs, then compare supplier quotes to find better rates.
Key figures from official UK sources to help you benchmark your business energy costs.
26p/kWh
£1,500–£5,000
20–30%
5.5 million
Real-world scenarios showing what UK businesses typically spend on commercial electricity and gas. Select your sector for a tailored estimate.
A high-street café with espresso machines, refrigeration, and lighting. Gas covers water heating; electricity drives kitchen and front-of-house equipment.
Run calculator for this sector →Open-plan office with HVAC, IT equipment, and lighting. Electricity-only supply — one of the lower-intensity commercial sectors per square metre.
Run calculator for this sector →Full-service restaurant with commercial kitchen, walk-in refrigeration, and dining-area climate control. Gas and electricity both contribute significantly.
Run calculator for this sector →Calculations run in your browser — no business data stored or transmitted.
Default tariffs based on published UK non-domestic supply market indicators.
Regional adjustments for England, Scotland, Wales, and Northern Ireland.
No sign-up, no account, and no obligation to switch suppliers.
Industry-specific consumption benchmarks from Carbon Trust and DESNZ data.
Tariff defaults and sector benchmarks reviewed and updated quarterly.
Tariff data and benchmarks last reviewed
We follow transparent editorial standards so you can trust the estimates and guidance on this site. Read our full methodology.
Calculator results are generated from published benchmarks and tariff data — not influenced by supplier partnerships or commission arrangements.
We publish our data sources, calculation assumptions, and last-updated dates so you can verify how estimates are produced.
Default tariff rates and sector consumption benchmarks are reviewed against the latest Ofgem and DESNZ publications at least every quarter.
All figures are estimates for guidance. Actual costs depend on your supplier contract, meter readings, and business-specific factors. Always verify with your energy bill.
Choose from 25+ UK business types including restaurants, offices, retail, and manufacturing. Each sector uses industry-specific kWh per square metre benchmarks.
Provide your premises size in square metres or feet, staff count, and weekly operating hours. These factors adjust consumption estimates for your specific setup.
Select electricity-only or gas and electricity, then pick your UK region. Tariff rates are adjusted for Scotland, Wales, and Northern Ireland where applicable.
The calculator shows a low-to-high annual cost range based on current average UK commercial tariffs, plus a breakdown of electricity and gas consumption in kWh.
Use your estimated consumption to compare business energy quotes from UK suppliers and identify whether you could save by switching or renegotiating your contract.
Our UK commercial electricity calculator estimates annual business energy costs using sector-specific consumption benchmarks (kWh per square metre), your premises size, operating hours, staff count, and regional tariff adjustments. Default unit rates and standing charges reflect current average non-domestic tariffs published by Ofgem.
Results are shown as a low-to-high range (±12%) to account for differences in equipment efficiency, building age, and usage patterns. For a precise figure, enter your actual unit rate and standing charge from a recent bill.
Average unit rates and standing charges for UK business energy supply.
Sector-level energy consumption benchmarks and regional data.
Industry-specific energy intensity benchmarks used to calibrate sector models.
All calculations run locally in your browser. We do not store, process, or share any business data you enter. No account or sign-up is required. If you choose to compare supplier quotes via our partner link, you will be subject to that provider's privacy policy. See our cookie policy for details on analytics cookies.
Estimates are for guidance only and do not constitute financial or energy supply advice. Actual costs depend on your supplier, contract terms, and meter readings.
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