Every time Ofgem announces a new energy price cap, the same question follows. Will this change my business bill? For many owners, the honest answer is less than they expect, and it's worth understanding why before you plan your budget.
The confusion is understandable. The cap is the number most people see in the news, and the figures are published in a way that makes it look like the answer for everyone. But the cap is designed for households on standard default tariffs, and most business electricity rates sit outside it.
This article explains who the cap protects, what business customers rely on instead, what the January 2027 forecasts suggest, and what you can do now, before the figure is announced in late November.
Quick answer No, the Ofgem price cap doesn't apply to most businesses. It covers households on standard variable tariffs. Business electricity rates are set by the market and by your contract. A fixed deal locks in a price for its term, while an expired or out-of-contract deal can move with wholesale costs. Ofgem price cap January 2027 is due to be announced on or before 25 November 2026. Forecasts vary, so treat them as direction rather than a final figure. |
How the Price Cap Works
The price cap is a limit that Ofgem sets on the rates suppliers can charge households on default tariffs in Great Britain. Ofgem reviews it every three months, and it covers the unit rate you pay for each kilowatt-hour of electricity and gas, as well as the daily standing charge.
Because the cap is set each quarter, it acts as a ceiling for households without a fixed deal. It doesn't stop prices rising; it limits how far they can rise for those customers within a given period. That's strong protection for domestic consumers, and it's why the cap announcement is so widely reported.
Business customers don't get that protection. Their contracts are negotiated, priced individually and governed by the terms they sign. That difference explains most of the confusion.
Why Business Electricity Rates Sit Outside the Cap
Business energy is market-priced. Suppliers offer rates based on wholesale costs, network charges, their own margins and the length and type of contract you choose. Because every business uses energy differently, no single regulated rate fits a small office, a restaurant, or a warehouse.
Table 1 compares the two markets side by side.
Feature | Domestic (households) | Business (non-domestic) |
|---|---|---|
Ofgem price cap applies? | Yes, on standard variable and default tariffs | No; business contracts are outside the cap |
How rates are set | Ofgem sets a maximum each quarter | Suppliers price each contract in the market |
Protection against rises | Cap limits increases on default tariffs | A fixed contract protects you for its term only |
Cooling-off period | 14 days on most domestic switches | Usually none; a signed contract is binding |
When prices change | Each quarter, for default tariffs | On renewal, or when an out-of-contract rate applies |
What this means in practice
If your business is on a fixed contract that runs until mid-2028, the announcement of Ofgem price cap January 2027 won't change your rate. Your price is set for the term, subject to the terms of the contract. If your contract ends in early 2027, however, the new deal will be priced at whatever the market offers when you sign it.
Small businesses are not automatically covered
It's a common assumption that small firms get the same protection as households. They don't, unless their supply is actually on a domestic tariff. A small business on a domestic meter may be on a domestic tariff, but that depends on how the supply is classified, not on company size.
What the Cap Tells Business Owners, Even Though It Doesn't Bind You
Although the cap doesn't set your rate, it's worth watching. The factors that feed into the cap, such as wholesale gas and electricity costs, network charges and supplier operating costs, also feed into business quotes. A rise in the cap often reflects the same pressures that push up business contracts.
The UK natural gas price connection
Gas is a particularly important driver. Business gas contracts are priced in pence per kilowatt-hour and linked closely to wholesale markets. When the UK natural gas price rises, suppliers pass that pressure into new quotes and renewal offers. For a business that uses gas for heating, cooking or processes, the link is direct, even though the cap itself doesn't apply.
Use the cap as a prompt, not a deadline
The cap announcement is a good moment to review your contract. It doesn't mean you must switch immediately, and it doesn't mean the cap will move your rate. It does tell you the market direction, which can help you decide whether to lock in a fixed deal now or wait.
A Worked Example: How Market Moves Affect a Business
To see the effect, consider a business using 30,000 kWh of electricity a year at a rate of 27.2p per kWh, which is in line with the October 2026 one-year fixed average for businesses in the 50,000 to 100,000 kWh band reported by AquaSwitch. The table below shows the unit cost alone, before standing charges and VAT, if the market moves by different amounts. The figures are illustrative, not forecasts for your contract.
Illustrative market move | Unit cost (30,000 kWh) | Extra cost per year |
|---|---|---|
No change (27.2p) | £8,160 | £0 |
10% rise (29.9p) | £8,976 | £816 |
20% rise (32.6p) | £9,792 | £1,632 |
30% rise (35.4p) | £10,608 | £2,448 |
The key point is that a fixed contract locks in the first row for its full term, while a business on an expired or variable deal could face any of the other rows. That's why renewal timing matters more than the headline cap figure.
When the Cap Can Apply to a Business
There are exceptions. The cap can apply to a business supply that is genuinely on a domestic tariff. For example, a sole trader working from home may be on a household meter and tariff, and in that case the cap protects that supply as usual.
Classification depends on the premises and the tariff, not the size of the company. Before you assume the cap does or doesn't protect you, check which tariff type is on your bill. If it says domestic, the cap applies. If it says business or non-domestic, it doesn't.
Three Common Myths About the Cap and Business Bills
Here are some key myths and their realities.
Myth 1: If the cap goes up, my business bill goes up by the same amount
Not necessarily. A fixed contract keeps its rate for the term, so a cap rise doesn't change your bill until renewal. Even on a variable or expired contract, your rate depends on your supplier's pricing and your contract terms, not the cap percentage. The cap is a useful signal, but it isn't a formula.
Myth 2: If the cap falls, I'll automatically pay less
Not true. Business rates don't follow the cap down. Your savings depend on whether you're on a fixed deal, when it ends, and what the market offers then. Waiting for a fall can cost you if your contract rolls onto an expensive rate in the meantime.
Myth 3: Switching suppliers avoids the cap altogether
Changing suppliers doesn't bring a business contract under the cap, because the cap doesn't cover business customers in the first place. A switch can move you onto a better-priced contract with terms that suit your renewal timing. That's a different kind of protection, and you control it.
What to Do Before the Cap Is Announced
You can't change the cap, but you can prepare. Table 3 sets out a simple sequence for the next few weeks and beyond.
When | Action | Why it helps |
|---|---|---|
Now | Check your contract end date and your tariff type | Confirms whether the cap is relevant and when your renewal window opens |
Before 25 November 2026 | Gather 12 months of bills and your current unit rate and standing charge | Gives you a clear baseline to compare against new quotes |
After the announcement | Read the cap as a direction signal, then compare fixed business quotes | Helps you judge whether market prices are moving up or down |
6 to 12 months before renewal | Start your comparison and set a renewal reminder | Avoids rolling onto an expensive out-of-contract rate |
At signing | Compare full annual costs, including VAT and standing charges | Unit rates alone can mislead, especially on business contracts |
Frequently Asked Questions
Here are answers to the questions we hear most often.
Does the Ofgem price cap apply to my business electricity?
Usually not. The cap covers households on standard variable tariffs. Most business electricity contracts are market-priced, so the cap doesn't set your rate.
Will the Ofgem price cap January 2027 change my business electricity rate?
Not directly. If you're on a fixed business contract, your rate is set for the term. The cap can still signal market direction, which may affect your renewal.
Are micro businesses protected by the cap?
No, not by the price cap. Micro businesses have some extra rules, such as clearer contract information and renewal notice requirements, but their rates are still market-priced.
Why do forecasts for the Ofgem price cap January 2027 differ so much?
Forecasters use different assumptions about wholesale costs, network charges and supplier costs. Until Ofgem publishes the figure, treat the forecasts as a range of possible outcomes rather than a single answer.
What if my home-based business is on a domestic tariff?
Then the cap generally protects that supply, because it is classified as domestic. Check your bill and speak to your supplier if you're unsure whether the tariff is domestic or business.
How SwitchUrEnergy Can Help
SwitchUrEnergy compares gas and business electricity rates from several suppliers in one place, so you can see how the market is pricing your business rather than relying on a headline figure. The most useful first step is to share your current contract end date, your last 12 months of bills and your tariff type.
With that information, we can help you compare the full annual cost of each option and plan a switch around your renewal window. That way, you're deciding on your own numbers, not on the cap announcement alone.
Final Words
The energy price cap is an important consumer protection, and the January 2027 announcement will be widely reported. For most businesses, though, it isn't the figure that determines the UK natural gas price or business electricity rates. Your contract, your renewal date and the market price you can secure matter far more.
Check your tariff type, plan around your renewal window and compare full annual costs before you sign. If you do that, the cap becomes a useful signal rather than a source of confusion.