How do I switch energy supplier?

To switch energy supplier, compare tariffs, choose a new plan, and complete the online sign-up. Your new supplier will usually handle the switch with your current supplier. You’ll typically just need your address, current supplier details and (if available) a recent meter reading.

How long does switching energy take in the UK?

Most UK energy switches complete within about 5 working days under the faster switching process, though timings can vary. Your new supplier will confirm your switch date and keep you updated.

Will my gas and electricity supply be interrupted when I switch?

No. Your gas and electricity supply stays on during a switch because the pipes and wires don’t change. Only the company billing you changes.

Do I need to contact my current supplier to switch?

Usually no. When you sign up with a new supplier, they normally contact your current supplier and manage the process for you.

Can I switch energy if I’m in debt to my current supplier?

You may still be able to switch, depending on the type and amount of debt and whether you have a prepayment meter. In many cases, you can arrange repayment or have debt transferred. Check with your current supplier and review the eligibility rules before applying.

Can I switch if I’m renting or living in a shared house?

If you pay the energy bills, you can usually switch. If bills are included in rent or the landlord is responsible, you may not be able to change supplier. In shared homes, the person named on the bill typically needs to approve the switch.

What information do I need to switch energy supplier?

You’ll generally need your address and contact details, payment details (Direct Debit or card where applicable), and your current supplier information. A recent meter reading helps ensure your final bill is accurate.

Will I pay exit fees when switching?

Some fixed tariffs include exit fees if you leave before the end date, while variable tariffs typically don’t. Check your current contract terms and factor any fees into your savings calculation.

When should I take a meter reading during a switch?

Take a meter reading on (or as close as possible to) the day your switch completes. This helps your old supplier produce a correct final bill and ensures your new account starts from the right opening reading.

What happens after I switch energy supplier?

After the switch date, your new supplier will start billing you on the new tariff. Your old supplier will send a final bill (or refund) based on your closing meter reading. If you want to switch, you can start here: https://www.energyplus.co.uk/

Switch energy: how to change supplier in the UK

A practical, UK-specific guide to switching gas and electricity: what you need, how long it takes, what can go wrong, and how to switch confidently.

Compare whole-of-market tariffs (where available) and see estimated costs before you apply
Understand smart meters, prepayment, and fixed vs variable deals
Know your rights: cooling-off, exit fees, moving home and billing disputes

Get your energy quote How switching works

Estimates only. Tariffs, eligibility and timings vary by supplier, meter type, region and credit checks. Always check the tariff information label before you switch.

Fast answer: can you switch energy supplier in the UK?

Yes. Most UK households can switch gas and/or electricity supplier without any interruption to your supply. Your energy network (pipes and cables) stays the same; only the company billing you changes.

Typical time

Often around 5 working days for a standard switch, but can take longer for complex meter setups or issues (e.g., incorrect meter details).

What you need

Your postcode, current tariff (if known), and ideally annual usage (kWh) or a recent bill. Smart meter? Note whether it’s working in smart mode.

Main watch-outs

Exit fees on fixed deals, prepayment eligibility, Economy 7/10 timings, and meter details matching your address.

Good to know: If your supplier goes bust, you’ll be moved to a new supplier by Ofgem’s process. That’s different from choosing to switch yourself.

Compare and switch with EnergyPlus

Tell us a few details and we’ll match you with available tariffs from across the market (where available), using your meter type and region. We’ll show estimated costs and key terms so you can switch with confidence.

Best for

Homes wanting a clearer view of estimated monthly cost
People unsure about fixed vs variable
Anyone who wants switching support without the jargon

You’ll be asked for

Postcode and address
Contact details
Current supplier/tariff (if known)
Meter type (smart, prepay, Economy 7)

Privacy note: We use your details to provide quotes and contact you about switching. If you proceed, your new supplier will confirm tariff terms and set up your account. Always check emails from the supplier for final contract details.

Get your quote

How switching works (UK steps)

Compare tariffs using your postcode and (ideally) your annual usage in kWh. Check unit rates, standing charges, tariff length, and any exit fees.
Apply for the tariff. Your new supplier will run eligibility checks and confirm your start date. Some tariffs require Direct Debit or online billing.
Cooling-off period. You generally have a period to change your mind (check the supplier’s terms and the information they send you).
Switch date + meter readings. You may be asked for readings on or around the switch date. Smart meters can submit readings automatically if operating in smart mode.
Final bill from your old supplier. This should account for usage up to the switch date. Keep an eye out for estimated readings and query anything that looks off.
Your new account goes live. You’ll receive confirmation, set up payment, and can track usage/bills under the new supplier.

No disruption: Switching supplier does not turn off your gas or electricity. The physical supply stays with your local network operator.

Compare switching options (what matters most)

The “best” tariff depends on your payment method, meter type, and whether you value price certainty over flexibility. Use the table below to narrow it down, then review the tariff information before applying.

Option	Why people choose it	Trade-offs	Best for
Fixed tariff	Unit rates/standing charges are fixed for a set term (e.g., 12 months), offering predictable pricing.	May include exit fees. If prices fall, you may not benefit until you switch again.	Households budgeting monthly and wanting cost certainty.
Variable tariff	More flexibility; often no exit fee. Prices can move up or down.	Your rates may increase with notice. Can be harder to budget.	People who want flexibility and may switch again soon.
Green / renewable tariff	Supports renewable generation via supplier sourcing and certificates, depending on tariff terms.	Definitions vary. Always read what the supplier means by “renewable”.	Customers prioritising environmental credentials alongside price.
Prepayment tariff	Pay-as-you-go control. Useful if you prefer not to pay monthly by Direct Debit.	Choice can be more limited; switching may require meter and debt checks.	Households on prepay meters or needing tight spending control.

Decision checklist (quick)

Do you know your usage? Annual kWh is best; if not, use a recent bill estimate.
Any exit fees? Check your current fixed tariff end date and fees.
Payment method: Direct Debit often unlocks more tariffs, but not always.
Meter type: Smart, prepay, Economy 7/10, or traditional can affect eligibility.
Customer service: If support matters, weigh reviews and complaint handling.

Who switching usually suits

You’re out of contract or near the end of a fixed deal
Your Direct Debit jumped and you want to check alternatives
You’ve had persistent billing issues and want a fresh start
You’ve moved in and need to choose a tariff (you can switch after you’re set up)

If you’re in a fixed deal, you may be able to switch near the end date without an exit fee. Check your terms before you apply.

Who should pause and check first

You have energy debt (especially on prepayment)
You’re in the middle of a billing dispute with your current supplier
Your meter setup is unusual (e.g., related meters, multiple MPANs, or landlord-managed supply)
You rely on a specific meter schedule (e.g., Economy 7) and need the same arrangement

Two realistic switching scenarios (with assumptions)

Scenario A: Dual fuel, Direct Debit, standard credit meter

Assumptions: 2–3 bed house in England; electricity 2,900 kWh/year; gas 11,500 kWh/year.
Current tariff (estimated): 26p/kWh elec + 60p/day standing; 6.8p/kWh gas + 32p/day standing.
New tariff (estimated): 24p/kWh elec + 55p/day; 6.2p/kWh gas + 30p/day.
Estimated annual difference: around £120/year less (about £10/month), depending on actual usage and regional standing charges.

Scenario B: Electricity-only flat, Economy 7 smart meter

Assumptions: 1–2 bed flat; 2,200 kWh/year electricity; 40% night usage (storage heating / overnight EV charging).
Current (estimated): Day 28p/kWh, night 16p/kWh, 55p/day standing.
New (estimated): Day 27p/kWh, night 14p/kWh, 58p/day standing.
Estimated annual difference: around £45/year less — but if your night usage is lower than expected (e.g., 20%), the saving could shrink or reverse.

These examples are illustrative and simplified. Real quotes vary by region (standing charges), meter configuration, payment method, and supplier eligibility. Always compare like-for-like (same meter type and tariff structure).

Costs, exclusions and common pitfalls (avoid nasty surprises)

Switching is usually straightforward, but a few UK-specific issues can slow things down or change what you pay. Here’s what to check before you apply.

Exit fees and contract end dates

Many fixed tariffs charge an exit fee if you leave early. Some suppliers waive this in a window near the end of your deal, but rules vary—check your current tariff terms.

Meter type mismatches

If your address has the wrong meter details registered (MPAN/MPRN, meter serial number, Economy 7 setup), your switch can be delayed. Keep a recent bill and your meter serial number handy.

Direct Debit changes

Your monthly payment is not the same as your unit rate. Suppliers may set Direct Debits to smooth costs across the year. Compare tariffs using estimated annual cost and check your payment plan after switching.

Prepayment and debt rules

If you’re on prepay, switching may depend on meter compatibility and whether you have outstanding debt. Some debts can be transferred, but eligibility varies by supplier.

Economy 7/10 timings

Night-rate times differ by region and meter setup. If you rely on off-peak electricity (storage heaters/EV), confirm the new tariff’s structure and how your smart meter records day/night usage.

Final bill and readings

Take photos of your meter readings on switch day (gas and electricity). This helps if your final bill is based on estimates or if there’s a dispute about opening/closing reads.

If something goes wrong: Start with the new supplier (they lead the switching process). If you’re not getting a clear resolution, follow the supplier’s complaints process. You can also use independent guidance from Citizens Advice.

Quick pre-switch checklist (save this)

Check whether you’re on a fixed deal and if an exit fee applies.
Find your annual usage in kWh (electricity and gas) on a recent bill (or use a sensible estimate).
Confirm meter type: smart / traditional / prepay / Economy 7/10.
Take a photo of your meter(s) showing the serial number and reading(s).
Compare standing charge as well as unit rate (standing charges vary by region).
If you’re moving home soon, consider whether a flexible tariff suits you better.

Switch energy FAQs (UK)

Will my gas or electricity go off when I switch?

No—switching supplier should not interrupt your supply. The same local network keeps delivering energy; only billing and tariff terms change.

How long does it take to switch supplier?

Many switches complete in around 5 working days, but timings vary. Issues like incorrect meter details, complex meter setups, or account problems can extend the process.

Can tenants switch energy supplier?

Often yes, if you’re responsible for paying the bill. If your landlord includes energy in rent, or you’re in a managed building with a communal supply, you may not be able to choose the supplier.

Can I switch if I have a smart meter?

Yes. However, some smart meters may temporarily lose smart features (like automatic readings) with certain suppliers. This is improving over time, but it’s worth checking what the supplier supports for your meter.

Do I need to give meter readings?

You may be asked for readings near the switch date. Even with a smart meter, it’s a good idea to take photos of readings as a back-up for final/first bills.

Can I switch if I’m on a prepayment meter?

Usually yes, but the choice may be more limited. Suppliers may check meter compatibility and whether you have debt. If you do, ask the supplier what options are available for transferring or repaying it.

Will switching affect my credit score?

Some tariffs and payment methods may involve credit checks, especially for monthly credit/Direct Debit accounts. This varies by supplier and product—read the application info carefully.

I’m moving home—should I switch now or later?

If you’re moving soon, it can be simpler to take a flexible tariff and switch once you’re settled. If you’re staying put, switching earlier may help—just check contract length and exit fees.

Still unsure? Use the quote form above and we’ll help you identify your meter type and the tariffs that fit it.

Trust, methodology and sources

Page governance

Written by: EnergyPlus Editorial Team
Reviewed by: Energy Specialist
Last updated: March 2026

How we assess switching guidance and examples

This guide is written to help UK households understand the switching process and make safer decisions. We focus on practical factors that commonly affect eligibility and final cost.

UK specificity: We account for region-based standing charge differences, meter types (smart, prepayment, Economy 7/10), and common supplier eligibility rules (e.g., Direct Debit requirements).
Numbers shown are illustrative: Scenario figures use simplified arithmetic based on stated kWh usage and example unit rates/standing charges. They are not promises and may not reflect live market pricing.
Limitations: We can’t model every tariff feature (e.g., time-of-use add-ons, tracker tariffs, customer-specific credit decisions). Final quotes depend on supplier checks and confirmed meter point details.
What to verify before switching: tariff information label, contract length, exit fees, payment method requirements, and whether your meter configuration is supported.

We aim for accuracy and clarity, but suppliers can change tariff availability and terms quickly. If you spot something that looks out of date, please use the quote form and mention it in your message to our team.

Independent UK sources

Ofgem (UK energy regulator) – switching, standards of conduct and consumer information
Citizens Advice: Energy – help with bills, switching problems and complaints guidance
GOV.UK – general UK government guidance, including help schemes and consumer information

Ready to switch?

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Updated on 10 Apr 2026