We compare business gas and electricity from 20 plus suppliers for coffee roasters. Typical bills run £4.4k to £38.9k a year and businesses that switch with us save 40 per cent on average, typically 30 to 50 per cent. The figures on this page are estimates from published UK benchmarks, not quotes.
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What a typical coffee roaster uses and pays across the UK, from published benchmarks.
Figures are estimates from published UK benchmarks priced at 25p/kWh electricity, 7p/kWh gas and about £365 a year in standing charges. They are not quotes. See how we estimate.
Independent coffee roasteries, from a shop roaster behind a café counter to a dedicated roasting and packing operation. A gas or electric roaster with an afterburner doing the heavy lifting, plus green bean storage, grinding, packing, and often a café or trade counter on the same supply.
An afterburner that has to reach and hold temperature before you roast a single batch
Preheating the drum from cold, which costs the same whether you roast two batches or twelve
Extraction and cooling fans running through the whole roasting session
A shop counter and a production roaster sharing one meter, so the site is priced as a café
Typical equipment loads across bakeries, breweries and food production, with annual kWh and cost bands from published benchmarks.
| Equipment | kWh a year | Cost a year (est.) |
|---|---|---|
| Deck, rack and tunnel ovens (gas) | 30,000–300,000 kWh | £2,100–£21,000 |
| Electric convection, combi and roasting ovens | 8,000–45,000 kWh | £2,000–£11,250 |
| Provers, retarders, dough mixers and depositors | 4,000–20,000 kWh | £1,000–£5,000 |
| Refrigeration, walk-in chillers and cold stores | 10,000–90,000 kWh | £2,500–£22,500 |
| Steam boilers, coppers, stills and jacketed kettles (gas) | 20,000–350,000 kWh | £1,400–£24,500 |
| Glycol chillers, compressed air, extraction and lighting | 8,000–60,000 kWh | £2,000–£15,000 |
Roast in longer sessions with back to back batches. Preheat and afterburner warm up are fixed costs, so more batches per session cuts fuel per kilo sharply.
Check afterburner set point and residence time against the conditions in your local authority environmental permit. Coffee roasting is a Part B activity under the Environmental Permitting (England and Wales) Regulations 2016, and many sites run hotter than their permit actually requires.
Insulate the drum and the ducting between roaster and afterburner so you are not reheating the same gases twice.
Log kWh per kilogram of green coffee and track it. Once you have that number, any change to profile or scheduling shows up immediately in money.
Get the site priced as a roastery rather than a coffee shop. The load shape is completely different and shop tariffs rarely reflect it.
Illustrative example
Deck ovens on from 4am with a shop out front
Ovens are most of the gas, proving and refrigeration most of the electricity, and both start before dawn.
Illustrative example, not a real customer. Figures are estimates based on published UK benchmarks. See how we estimate. See all worked examples.
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Switching your energy supplier is just the start. Our team can help you reduce consumption too — with expert energy audits, LED lighting upgrades, refrigeration optimisation, and solar PV installations.
Get a comprehensive analysis of your energy consumption with actionable recommendations.
Learn moreUpgrade your heating systems with smart controls to reduce waste.
Learn moreOptimise your fridges, freezers and cooling systems for maximum efficiency.
Learn moreGenerate your own electricity and slash daytime energy costs.
Learn morePart of the Smart Energy group — trusted by businesses like Bargoed YMCA and Treforest Football Club for energy efficiency solutions across Wales and the UK.
Get a tariff matched to how a coffee roaster actually uses energy: the equipment, the hours and the fuels on your meters.
