Business gas contract rates UK per unit 2026
A UK-focused guide to what “per‑unit” business gas prices mean in 2026, what drives your p/kWh, and how to compare contract options confidently (with transparent assumptions and pitfalls to avoid).
- Understand unit rates vs standing charges (and why both matter)
- See what changes pricing: meter type, usage bands, credit checks and contract length
- Get a quote with your actual usage for accurate p/kWh (no guesswork)
Estimates only. Your exact p/kWh depends on your meter, usage, risk checks and contract terms. We’ll show live options via the quote journey.
Fast answer: business gas contract rates UK per unit 2026
Business gas contract rates UK per unit 2026 are the pence per kWh you pay for gas used under a business contract in 2026; the single most important point is that the unit rate is only half the price—you also pay a daily standing charge. Your p/kWh varies by meter type, annual usage, postcode, contract length and credit checks, so quotes must be personalised.
Key takeaway #1
Compare on total annual cost (unit rate + standing charge), not unit rate alone.
Key takeaway #2
A small site can be more sensitive to standing charges; a high-usage site is more sensitive to p/kWh.
Key takeaway #3
The best way to get an accurate 2026 per‑unit price is to use your annual kWh (or spend) and meter details in a whole-of-market comparison.
Quick caveat: Unlike domestic energy, business energy generally isn’t protected by an Ofgem price cap. That’s why contract pricing varies widely and why renewal timing matters.
Get accurate per‑unit rates for your business (not averages)
If you search for “business gas rates per unit”, you’ll often find generic numbers. In practice, suppliers price by risk and usage profile. The quickest route to a meaningful p/kWh is to compare using your business details.
What you’ll need (2 minutes)
- Postcode
- Helps identify network area and available supply arrangements.
- Annual usage (kWh) or spend
- Best from a recent bill; estimates are fine if you’re new to premises.
- Meter info (if known)
- Gas meter type/reading frequency; larger meters may be priced differently.
What “per unit” means on a business gas contract
“Per unit” means pence per kWh (p/kWh) for every unit of gas you consume. Your bill typically has two main elements:
- Unit rate (p/kWh): the price of the gas you use.
- Standing charge (p/day): a fixed daily amount that can apply even when usage is low.
Tip: If you operate seasonally (e.g., hospitality), standing charge can have an outsized impact during quieter months. Ask for a comparison that shows the estimated annual total.
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If you’re renewing soon
Many business contracts move to a higher out‑of‑contract rate after the end date. If you can, start comparing before renewal to reduce the risk of rolling onto more expensive terms.
How business gas contract pricing works in the UK (2026)
In 2026, suppliers price business gas based on wholesale costs and the risk/operational cost of supplying your site. Two businesses on the same street can receive different p/kWh depending on how they use gas and how they pay.
Factors that commonly change the unit rate (p/kWh)
- Annual consumption: higher usage often qualifies for different pricing bands.
- Meter type & read method: e.g., sites with more complex metering can have different costs.
- Contract length: 12, 24, 36+ months can price differently.
- Payment & credit checks: direct debit, deposits, or credit terms can affect offers.
- Risk profile: industry type and payment history can influence quotes.
Factors that commonly change the standing charge (p/day)
- Supply and network costs associated with serving your premises.
- Contract structure (some deals trade a lower unit rate for a higher fixed charge, or vice versa).
- Business size and meter setup (more complex arrangements can increase fixed costs).
Two scenarios (with numbers) to show how “per unit” can mislead
These examples use illustrative figures to demonstrate the maths. Your live quote will differ by supplier and checks.
Scenario A: small café (low usage)
Assume 10,000 kWh/year. Deal 1 is lower p/kWh but higher standing charge. Even with a better unit rate, the total can be higher when usage is low.
- Deal 1: 6.0p/kWh + 120p/day → annual ≈ £600 + £438 = £1,038
- Deal 2: 6.5p/kWh + 60p/day → annual ≈ £650 + £219 = £869
Scenario B: warehouse heating (higher usage)
Assume 250,000 kWh/year. Here, the unit rate dominates. A slightly cheaper p/kWh can outweigh a higher standing charge.
- Deal 1: 5.2p/kWh + 180p/day → annual ≈ £13,000 + £657 = £13,657
- Deal 2: 5.6p/kWh + 60p/day → annual ≈ £14,000 + £219 = £14,219
Why this matters: “Best unit rate” is not the same as “best deal”. Always compare using your annual kWh and both price components.
A practical 2026 comparison process (5 steps)
- Check contract dates (end date and any renewal window).
- Pull your annual kWh from a bill (or estimate if you’re moving premises).
- Confirm meter details where possible (your supplier can confirm, or use your bill information).
- Compare by total annual cost and contract terms (not unit rate alone).
- Review fees and clauses before agreeing (especially early termination and pass-through charges).
Comparison: which type of business gas contract suits you?
Exact product names vary by supplier, but most offers fall into a few contract styles. Use this table to decide what to compare in your quote results.
| Contract style | What “per unit” usually looks like | Pros | Watch-outs |
|---|---|---|---|
| Fixed unit rate | p/kWh stays the same for the contract term; standing charge may also be fixed. | Budgeting certainty; easier to forecast costs. | Early termination fees can apply; some contracts include pass-through charges that may still vary. |
| Variable / flexible pricing | p/kWh can change with market conditions; standing charge can change too. | Less commitment; may suit short-term occupancy. | Cost uncertainty; budgeting can be harder if prices rise. |
| Deemed / out-of-contract | Supplier sets rates; often higher than negotiated contracts. | Supply continues if you move in or a contract ends. | Commonly poor value; terms can change—compare as soon as possible. |
Decision checklist (who it suits)
- Fixed often suits: stable occupancy, predictable hours, tight budgeting needs.
- Variable/flexible often suits: short leases, uncertain trading, temporary sites.
- Any contract suits better than staying out-of-contract for long.
Decision checklist (who it may not suit)
- Long fixes may not suit: businesses planning to move or close within the term.
- Lowest p/kWh may not suit: very low usage sites if standing charge is high.
- Any offer may not suit if: it includes unclear pass-through costs you can’t validate.
What to ask for in every quote: unit rate (p/kWh), standing charge (p/day), contract length, payment method assumptions, any fees, and whether any charges can vary during the term.
Costs, exclusions and common pitfalls (UK business gas)
Most switching problems come from misunderstandings about contract terms rather than the headline p/kWh. Use these checks before you agree.
1) Standing charge ignored
A low unit rate can be offset by a higher daily charge. Always compare on estimated annual cost using your kWh.
2) Out-of-contract exposure
If your contract ends, you may roll onto a deemed or variable rate. Start comparing ahead of renewal windows.
3) Early termination fees
Fixed contracts commonly include exit fees if you leave before the term ends. Check what happens if you relocate.
4) Usage estimate mismatch
If you don’t know your kWh and guess too low/high, your comparison may be misleading. Use a bill where possible.
5) Payment method assumptions
Some quotes assume direct debit or prompt payment. If you need invoices/longer terms, confirm how that affects pricing.
6) “Pass-through” charges
Some elements of your bill may change due to industry or network costs (even on a fixed unit rate). Ask what is fixed and what can vary.
Important: If you’re moving premises, confirm whether the contract is transferable, whether new meter details change pricing, and what notice is required. “Moving” isn’t always treated the same as “switching”.
What to check on a business gas quote (quick list)
- Unit rate (p/kWh) and standing charge (p/day)
- Contract start date, end date and renewal/notice terms
- Fees: exit/termination, late payment, admin charges (if any)
- Billing frequency and payment method
- Whether any charges can vary during the term (and which ones)
FAQs: business gas per‑unit rates in the UK (2026)
What is a “unit rate” for business gas in the UK?
A unit rate is the price you pay per kilowatt-hour (kWh) of gas used, usually shown in pence per kWh (p/kWh). Your total bill also typically includes a daily standing charge and may include other contract-dependent charges.
Are business gas prices capped by Ofgem in 2026?
Generally, no. The Ofgem price cap applies to certain domestic tariffs, not most business energy contracts. That means business gas unit rates are set by suppliers and can vary by usage, meter type, location, risk checks and contract terms.
Why do two businesses get different gas unit rates (p/kWh)?
Suppliers price based on expected consumption, how the meter is set up, how frequently it’s read, payment method, credit checks and operational costs. Even nearby premises can land in different usage bands or have different meter arrangements, which changes pricing.
Should I choose the lowest p/kWh business gas rate?
Not automatically. A low unit rate can come with a higher standing charge or tighter terms. The safest comparison is estimated annual total cost using your annual kWh, alongside contract length, fees and which charges are fixed versus variable.
What happens if my business gas contract ends and I don’t renew?
You may be moved onto out-of-contract or “deemed” terms (depending on your situation), which can be less competitive than negotiated contracts and may change. If you’re within months of your end date, it’s sensible to compare options early.
What information do I need to get an accurate business gas quote?
Start with your business postcode and annual gas usage (kWh) from a recent bill. If you have it, include meter details and your contract end date. If you don’t know your kWh, use an estimate and ask for the quote to be rechecked once you have a bill.
Can I switch business gas supplier if I’m in a fixed contract?
Often you can, but early termination fees or notice rules may apply. Check your current contract for end dates, renewal windows and any charges for leaving early. If you’re relocating, also check whether your contract can transfer to the new premises.
Does my business gas meter type affect my unit rate?
It can. Different meter arrangements and consumption profiles can carry different costs to serve and different pricing bands. If you’re unsure what meter type you have, a recent bill or your current supplier can usually clarify it.
Trust, methodology and sources
Page ownership
- Written by
- EnergyPlus Editorial Team
- Reviewed by
- Energy Specialist
- Last updated
- February 2026
How we assess “per unit rates” in this guide
We explain pricing using standard UK bill components (unit rate and standing charge) and the common variables suppliers use for business quotes (usage, meter, location, term length and payment/credit checks). We avoid publishing “typical p/kWh” figures because they can mislead when applied to the wrong usage band or meter setup.
Limitations (what this page can’t do)
- No live tariff data: rates change frequently and differ by business profile, so we don’t list supplier-specific p/kWh on this page.
- Illustrations only: scenario numbers are examples to show how unit rate and standing charge interact.
- Supplier terms vary: fees, notice windows and charge structures differ—always confirm before agreeing.
UK sources and further reading
- Ofgem (UK energy regulator)
- Citizens Advice energy guidance
- GOV.UK: Department for Energy Security and Net Zero
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