Energy Supplier Goes Bust UK — What Happens and What to Do
What happens when your energy supplier fails in the UK. Your rights, how switching works, credit balance protection, and what to do step by step.
·4 min read
Energy supplier failures happen, but your supply is protected. Here’s what to expect and what to do.
What Happens When a Supplier Fails
The Process
Step
What Happens
1
Supplier stops trading
2
Ofgem steps in immediately
3
Supplier of Last Resort (SoLR) appointed
4
Your account transferred to new supplier
5
You continue using gas/electricity normally
Key Protections
Protection
Details
Supply continues
Never cut off
Credit balance
Usually protected
Automatic transfer
You don’t need to apply
No gap in service
Seamless transition
Your Rights
What’s Protected
Right
Status
Continuous supply
Guaranteed
Credit balance
Protected (claim from new supplier)
Warm Home Discount
Transferred if awarded
Feed-in Tariff payments
Protected
Smart Export Guarantee
May need to re-apply
Fixed price tariff
Lost — moved to new supplier’s terms
What’s Not Protected
Item
Status
Your old tariff rate
Moved to new supplier’s rate
Loyalty discounts
Lost
Special arrangements
May need to renegotiate
Step by Step: What to Do
Immediately
Action
Why
Do nothing yet
Wait for official communication
Don’t panic
Supply won’t be cut
Don’t try to switch
Can’t until transfer complete
Take meter readings
Evidence of usage at switchover
Within Days
Action
Why
Note your credit balance
Before accounts close
Screenshot your account
Proof of balance
Record meter readings
With photos/timestamps
Wait for contact
From appointed supplier
When New Supplier Contacts You
Action
Why
Check tariff offered
May be expensive
Provide meter readings
Accurate billing
Verify credit balance
Ensure it’s transferred
Set up Direct Debit
If required
Consider switching
Once transfer complete
Credit Balance Protection
How It Works
Situation
Protection
Credit on account
Claimed through new supplier
Direct Debit payments
May be refunded for unused
Overpayment
Should be credited
What to Do
Step
Action
1
Record your current balance (screenshot)
2
Contact new supplier if not credited
3
Complain to Ombudsman if not resolved
If Your Credit Isn’t Transferred
Step
Action
1
Contact new supplier in writing
2
Provide evidence of balance
3
Allow 8 weeks to resolve
4
Escalate to Energy Ombudsman
Your New Tariff
What to Expect
Factor
Typical
Initial tariff
Supplier’s standard variable
Price
May be higher than price cap
Contract
No fixed term
Exit fees
Usually none
Should You Switch?
Situation
Recommendation
New tariff is expensive
Compare and switch
Happy with rate
Can stay
Want security
Consider fixed deal
How to Compare and Switch
Step
Action
1
Wait until transfer complete
2
Get annual usage from new supplier
3
Compare using Ofgem-accredited sites
4
Switch if better deal available
5
No exit fees from standard tariff
Smart Meters
Common Issues After Supplier Failure
Issue
What Happens
Loses smart functionality
Reverts to “dumb” mode
Need manual readings
Until fixed
May take months
To restore smart function
Prepayment smart
May need intervention
What to Do
Action
Details
Submit manual readings
Monthly if possible
Ask new supplier
About smart meter compatibility
Be patient
Can take time to restore
If prepayment issues
Contact new supplier urgently
Warm Home Discount
If You Were Awarded the Discount
Situation
What Happens
Already credited
Keep it — your money
Award confirmed, not yet paid
Should be honoured
Application in progress
May need to reapply
How to Check
Step
Action
1
Contact new supplier
2
Explain WHD status
3
Provide evidence if possible
4
Request transfer of entitlement
Prepayment Meters
Extra Protections
Situation
Action
Topped up credit
Protected
Emergency credit
Usually honoured
Can’t top up
Contact new supplier immediately
Urgent Issues
Problem
What to Do
Can’t add credit
Call new supplier helpline
About to go off supply
Emergency number should be provided
Lost smart functionality
May need meter visit
Who to Contact
Key Organisations
Organisation
When to Contact
Your new supplier
First point of contact
Ofgem
General guidance
Energy Ombudsman
Complaints after 8 weeks
Citizens Advice
Independent advice
Contact for New Supplier
Details
Usually
Letter/email
Sent within days
Account setup
Automatic
Website
New account portal
Phone
Customer service number provided
Timeline
Typical Process
Timeframe
What Happens
Day 1
Supplier stops trading
Day 1-3
Ofgem appoints new supplier
Day 3-7
Public announcement
Week 1-2
New supplier contacts you
Week 2-4
Account fully set up
Ongoing
Normal service with new supplier
Warning Signs Before Failure
Sign
Meaning
Price increases
Financial pressure
Customer service issues
Cost cutting
Media speculation
Investigate
Unusual communication
Something changing
Complaining
If Things Go Wrong
Issue
Process
Credit balance not transferred
Complain to new supplier
Wrong meter readings
Provide evidence
Billing errors
Dispute in writing
Not resolved in 8 weeks
Energy Ombudsman
Energy Ombudsman
Feature
Details
Free to use
No cost to you
Decisions
Binding on supplier
Time limit
After 8 weeks or deadlock
Compensation
Can award if appropriate
Summary Checklist
When
Action
Immediately
Take meter readings, screenshot balances
Wait
Don’t try to switch until transfer complete
When contacted
Check new tariff, verify credits transferred
After setup
Compare energy deals
If issues
Complain to supplier, then Ombudsman
Your energy supply is protected when a supplier fails. The key is to document everything, wait for the official transfer, and then review your options with the new supplier.