Energy switch guidance

Energy Switch Went Wrong?

If your supplier switch was delayed, blocked or mishandled, a clear complaint letter can help explain the timeline and requested fix.

✅ Switch delayed or failed ✅ Old and new supplier give different answers ✅ Tariff or account details are wrong ✅ You need a clear complaint letter

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Why this matters

A focused letter helps present the dates, reference numbers, evidence and requested outcome in a way the company can review more easily.

What to gather

Keep booking records, receipts, screenshots, emails, reference numbers, photographs and any complaint replies connected to the issue.

Energy switch support

Prepare the issue clearly before you submit

If your supplier switch was delayed, blocked or mishandled, a clear complaint letter can help explain the timeline and requested fix.

The free tool is designed to help you set out the issue, evidence and requested outcome without needing to start a full guided review.

Related energy switch support pages

Energy Billing Dispute?

If your energy bill, meter reading, direct debit or final bill seems wrong, a structured dispute letter can help set out the issue.

Read this guide →

Wrong Energy Supplier?

If your supply was switched without consent or linked to the wrong account, a clear complaint letter can help request correction.

Read this guide →

Main Energy switch page

Return to the main guide and start point for this topic.

Back to main guide →

Frequently asked questions

Common questions

Include supplier names, account numbers, switch dates, tariff details and any messages received.

Yes. Incorrect billing, tariff loss or duplicated charges may need to be explained clearly.

Take the next step

Generate My Claim Letter

Use the dedicated free form so your information is structured around this exact issue.

Generate My Claim Letter

Energy switch complaint evidence

What helps an energy switch complaint letter?

A failed or delayed energy switch is easier to challenge when the letter sets out the switch date, supplier involved, meter readings, bills, promised tariff and any financial impact.

Switch confirmation and timeline

Emails, texts and account messages can show when the switch should have happened and what each supplier confirmed.

Opening and closing readings

Meter readings help show whether the old and new supplier used the correct figures when billing the account.

Refund or correction requested

The complaint should explain whether you want a corrected bill, account transfer, refund, apology or compensation.

Related guidance

More help with energy and complaint letters

Energy switch support

Help with delayed, failed or mishandled supplier switches.

Complaint letter help

Prepare a clear letter before escalation.

Formal escalation

Organise the evidence when a complaint has stalled.

Request a call back about Energy Switch Complaint Letter

If you do not want to complete the full review form yet, leave your details and our intake team can call you back.

This is useful if you are unsure which documents matter, whether the issue fits, or what the next step should be.