Renewing a business electricity contract is an important decision for any UK business. Your electricity agreement can affect your operating costs, cash flow and the price you pay for every unit of electricity you use.
Waiting until your current contract expires can also leave you with fewer options and less time to compare alternatives.
So, when should you renew your business electricity contract, and what should you check before signing a new deal?
This guide explains the business electricity renewal process, when to start reviewing your options, what to compare and how to avoid common mistakes.
Important: Business electricity contracts vary by supplier and business circumstances. Always check the specific terms of your existing and proposed contracts before making a decision.
What Is Business Electricity Contract Renewal?
Business electricity contract renewal is the process of arranging a new electricity agreement before or around the end of your current contract.
A business may choose to:
- Renew with its existing supplier
- Switch to another supplier
- Negotiate a different tariff
- Change contract length
- Compare fixed and other available tariff options
- Review its electricity requirements before signing a new agreement
Renewal is therefore more than simply signing another contract with the same supplier.
It is an opportunity to review whether your current arrangement still suits your business.
When Should You Renew Your Business Electricity Contract?
There isn’t one universal renewal date that applies to every business.
The appropriate timing depends on your supplier, contract terms and the notice or switching provisions in your agreement.
For this reason, check your current contract for:
- Contract end date
- Notice period
- Termination provisions
- Renewal provisions
- Switching conditions
- Any applicable fees or charges
Ofgem notes that business energy contracts can have different terms from domestic contracts and that some suppliers may restrict switching before a contract ends.
A practical approach
Instead of waiting until the final few days, start reviewing your options several months before your contract ends.
This gives you time to:
- Find your contract end date
- Review your current consumption
- Gather your latest bills
- Compare available deals
- Ask questions about contract terms
- Decide whether to stay or switch
- Complete the necessary arrangements
The exact timing should always be checked against your existing contract.
Why Is Business Electricity Renewal Important?
Electricity can represent a significant operating cost, particularly for businesses with high consumption.
Renewal gives you an opportunity to review:
- Unit rates
- Standing charges
- Contract length
- Tariff structure
- Payment terms
- Metering requirements
- Supplier service
- Additional fees
- Your expected future electricity consumption
A business that simply renews without comparing alternatives may miss an opportunity to improve its energy costs or contract terms.
What Happens When a Business Electricity Contract Ends?
What happens after your contract ends depends on the agreement and supplier.
If you don’t arrange a new contract, your business could potentially move onto a deemed or out-of-contract arrangement, depending on the circumstances.
These arrangements can be more expensive than negotiated fixed-term business energy contracts.
This is why businesses shouldn’t ignore their contract end date.
If you’re approaching the end of your agreement, check what your supplier says will happen if you don’t renew or switch.
For more information, see our guide to Out of Contract Business Energy Rates
Step 1: Find Your Business Electricity Contract End Date
Before comparing new deals, find out exactly when your current contract ends.
You can usually find this information on:
- Your electricity contract
- Supplier correspondence
- Your online supplier account
- Recent electricity bills
- Renewal notices
Don’t rely solely on memory.
Write down:
Current supplier:
Contract start date:
Contract end date:
Current unit rate:
Current standing charge:
Notice requirements:
Having this information makes the renewal process much easier.
Step 2: Review Your Current Electricity Usage
Before looking for a new deal, understand how much electricity your business actually uses.
Look at your recent bills and identify:
- Annual consumption
- Monthly consumption
- Seasonal patterns
- Highest-use periods
- Lowest-use periods
- Changes in operating hours
- Changes in business activity
If your business has expanded, reduced its hours or purchased new equipment, your future consumption could be different from your historical usage.
This matters because choosing a contract based on outdated assumptions can make it harder to manage your energy costs.
Read our guide to Business Electricity Consumption for a deeper look at how businesses use electricity.
Step 3: Check Your Current Unit Rate
Your unit rate tells you how much you’re paying per kWh under your existing agreement.
Record the current figure before comparing alternatives.
For example, suppose your current contract has a hypothetical unit rate of:
24p per kWh
A new quotation might show:
21p per kWh
That looks cheaper, but you shouldn’t make a decision based on the unit rate alone.
You also need to consider standing charges and other applicable costs.
Step 4: Check Your Standing Charge
The standing charge is another important part of your electricity costs.
It’s generally charged on a daily basis regardless of how much electricity you use.
For example, two hypothetical contracts might look like this:
| Contract A | Contract B | |
|---|---|---|
| Unit rate | 21p/kWh | 20p/kWh |
| Standing charge | £1.20/day | £2/day |
Contract B has the lower unit rate but a higher standing charge.
Which one is cheaper depends on the business’s electricity consumption and the full pricing structure.
This is why you should compare the overall cost, rather than choosing the tariff with the lowest advertised unit rate.
For more information, see our guide to Business Electricity Standing Charges.
Step 5: Compare Business Electricity Tariffs
Before renewing, compare the types of tariffs available to your business.
Depending on your circumstances, you may encounter different contract structures.
A fixed-term tariff can provide greater price certainty for the agreed pricing period, while other arrangements can have different pricing mechanisms and levels of risk.
The right choice depends on:
- Your risk tolerance
- Budget
- Electricity consumption
- Business size
- Contract requirements
- Market conditions
- Expected future energy use
For a detailed comparison, see our guide to Business Electricity Tariffs: Fixed vs Variable Explained.
Step 6: Compare the Total Cost
Don’t compare contracts based only on the headline unit rate.
Consider:
Annual electricity consumption
Unit charges
Standing charges
Other applicable costs
Taxes and VAT
Any additional contract or service charges
This gives you a more realistic basis for energy comparison.
A slightly higher unit rate could potentially work out better if the overall contract structure is more suitable for your business.
Step 7: Decide Whether to Stay or Switch
Once you’ve compared your options, you need to decide whether to remain with your current supplier or switch.
Staying with your supplier may make sense if:
- The pricing is competitive
- You’re satisfied with customer service
- The contract terms suit your business
- Your supplier offers the right tariff
- Switching offers little practical benefit
Switching may make sense if:
- Another deal offers better overall value
- Your current contract no longer suits your business
- Customer service has been poor
- Your business requirements have changed
- You want different contract terms
Don’t assume that loyalty automatically means you’re receiving the best deal.
At the same time, don’t switch solely because another supplier advertises a lower unit rate.
Compare the complete contract.
Step 8: Check the Contract Length
Business electricity contracts can have different durations.
A longer contract may provide greater price certainty for a longer period, but it also means your business is committed for longer.
Before signing, consider:
- How long you expect to operate from the premises
- Whether your electricity consumption could change
- Whether your business is expanding
- Whether you may move premises
- How comfortable you are with the contract duration
If you’re planning to move premises soon, a long contract could create additional complications.
See our future guide on Business Electricity When Moving Premises for more information.
Step 9: Check the Renewal Terms
Read the renewal section of your current contract carefully.
Look for information about:
- Renewal dates
- Notice periods
- Termination
- Switching
- Contract extensions
- Out-of-contract arrangements
- Applicable charges
Don’t assume that your contract simply stops on its end date.
Your supplier should be able to explain what happens if you don’t arrange a new agreement.
Step 10: Check Your Meter Type
Your meter arrangement can influence the type of business electricity contract available to you.
Some businesses have standard meters, while others have more advanced commercial metering arrangements, including half-hourly meters.
If you have a more complex meter setup, make sure your new supplier understands your requirements.
Your meter information should also be checked before switching to avoid problems with your supply details.
Step 11: Get Multiple Quotes
Don’t rely on a single quotation.
Comparing multiple options can help you understand whether a proposed deal is competitive.
When requesting quotes, provide consistent information to each supplier or broker, including:
- Business address
- Current supplier
- Contract end date
- Annual electricity consumption
- Meter information
- Current tariff information where available
This makes comparisons more meaningful.
Step 12: Check What Is Included in the Quote
When receiving a business electricity quotation, ask exactly what the price includes.
Check:
- Unit rate
- Standing charge
- Contract length
- VAT
- Applicable taxes
- Additional charges
- Broker fees or commission
- Meter-related charges
- Payment requirements
If something isn’t clear, ask before signing.
A quotation that looks cheaper at first glance may not be directly comparable with another offer.
Step 13: Review Payment Terms
Your payment method can also matter.
Some suppliers may offer different arrangements depending on how the business pays.
Before renewing, check:
- Payment frequency
- Direct debit requirements
- Credit terms
- Deposits
- Payment deadlines
- Consequences of late payment
Cash flow is particularly important for small businesses, so make sure the payment structure is manageable.
You can learn more in our upcoming guide to Business Electricity Direct Debit: How It Works.
Step 14: Check Supplier Customer Service
Price isn’t the only factor when choosing an electricity supplier.
Consider:
- How easy it is to contact the supplier
- Billing accuracy
- Complaint handling
- Online account management
- Metering support
- Communication
- Contract administration
A slightly cheaper contract may not be worthwhile if billing problems and poor customer service create significant administrative headaches.
Should You Use a Business Electricity Broker for Renewal?
A business energy broker can help businesses compare suppliers and contracts.
A broker may:
- Collect information about your business
- Obtain quotations
- Compare suppliers
- Explain contract options
- Help with the switching process
However, you should understand how the broker is paid.
Ask:
“Do you receive commission from the supplier?”
and:
“Is any brokerage fee included in the price?”
Ofgem identifies third-party costs such as brokerage and sales commissions as potential components of business energy costs.
Transparency is therefore important when comparing broker-assisted deals.
For a detailed explanation, see our guide to Business Electricity Broker: What Do They Do?
Can You Negotiate a Business Electricity Renewal?
In some circumstances, businesses may be able to negotiate aspects of their energy arrangements.
The scope for negotiation depends on:
- Supplier
- Contract
- Business size
- Electricity consumption
- Market conditions
- Tariff
- Contract length
Larger businesses with significant electricity consumption may have different procurement options from very small businesses.
Even if the unit rate itself isn’t negotiable, you can still compare alternative suppliers and contract structures.
What Documents Do You Need for Business Electricity Renewal?
The exact requirements vary by supplier, but having the following information available can make the process easier:
- Business name
- Supply address
- Current supplier
- Current contract
- Contract end date
- Recent electricity bills
- Meter information
- MPAN
- Annual consumption
- Business contact details
- Payment information
Having your latest bill available is particularly useful because it contains many of the details needed for a quotation.
Common Business Electricity Renewal Mistakes
Renewing Without Comparing
One of the biggest mistakes is automatically accepting a renewal offer without checking alternatives.
Focusing Only on the Unit Rate
A lower unit rate doesn’t necessarily mean a lower total cost.
Always consider standing charges and other applicable costs.
Leaving It Until the Last Minute
Starting too late can reduce the time available to compare options and arrange a new contract.
Ignoring the Contract End Date
Not knowing when your contract ends can create unnecessary problems.
Not Reading the Terms
Don’t sign based solely on a headline price.
Read the contract conditions.
Using Inaccurate Consumption Data
Incorrect usage information can make quotations less useful.
Ignoring Standing Charges
A low unit rate with a high standing charge may not be the cheapest option for every business.
Forgetting About Future Business Changes
If you expect to expand, reduce operations or move premises, consider how those changes could affect your electricity requirements.
How Much Could a Business Save by Renewing?
There is no universal savings figure.
Potential savings depend on:
- Current tariff
- New tariff
- Annual consumption
- Standing charge
- Contract length
- Market conditions
- Business size
- Other applicable costs
For example, a business consuming 100,000 kWh per year could be much more sensitive to a change in the unit rate than a business consuming 10,000 kWh.
A difference of just 1p per kWh would represent:
100,000 kWh × £0.01 = £1,000
in annual consumption charges, before considering other costs.
This is why comparing electricity rates can be particularly important for high-consumption businesses.
Business Electricity Renewal Checklist
Before renewing your contract, check:
- Contract end date
- Notice period
- Current unit rate
- Current standing charge
- Annual electricity consumption
- Meter type
- MPAN
- Available tariffs
- Contract length
- Total estimated cost
- VAT and taxes
- Additional charges
- Broker fees or commission
- Payment terms
- Supplier reputation and service
- Future business requirements
- Switching requirements
Business Electricity Renewal FAQs
When should I renew my business electricity contract?
Start reviewing your options several months before your current contract ends. However, always check your specific contract for notice periods and switching conditions.
Can I switch business electricity supplier when my contract ends?
Generally, businesses can arrange to switch suppliers, but the exact process and timing depend on the contract and supplier terms.
What happens if I don’t renew my business electricity contract?
Depending on your circumstances and supplier terms, you may be placed on a deemed or out-of-contract arrangement. Check with your supplier before your contract ends.
Should I renew with my current electricity supplier?
Not necessarily. Compare your current supplier’s renewal offer with other available options before making a decision.
Is it cheaper to renew business electricity early?
Not automatically. Pricing depends on the supplier, tariff, market conditions and contract terms. Starting your research early gives you more time to compare options.
Should I choose a fixed business electricity tariff?
A fixed tariff can provide greater price certainty for the agreed period, but whether it’s suitable depends on your business’s circumstances and the contract terms.
Can a business electricity broker help with renewal?
Yes. A broker can help compare suppliers and contracts, but businesses should understand how the broker is paid and whether any commission or fees are included.
What should I compare when renewing business electricity?
Compare the unit rate, standing charge, contract length, total estimated cost, payment terms, additional charges and supplier service.
Can I renew if I’m planning to move business premises?
You should carefully check the contract terms before committing to a new agreement. Moving premises can affect how your electricity contract is handled.
Final Thoughts
Business electricity renewal is an opportunity to review your energy costs rather than simply continue with the same arrangement.
Start by finding your contract end date, reviewing your electricity consumption and understanding your current unit rate and standing charge. Then compare available contracts based on their overall cost and terms, rather than focusing on a single headline price.
Before signing, check the contract length, payment requirements, additional charges, renewal conditions and any brokerage costs.
Most importantly, don’t leave the process until the last minute.
Giving yourself enough time to compare options can help you make a more informed decision about your next business electricity contract.
If you’re approaching the end of your current agreement, reviewing your options now can be a good first step toward finding a contract that better fits your business needs.
Is Your Business Electricity Contract Coming to an End?