Help & Advice Tip: My Pay-As-You-Go Top-Up meter is not working! I have no heating. My meter has error codes. Please Help!

Click Here
Select your town (change) We have set your location here.
You can change it at any time by clicking on the link above.

Carbon Reduction Grant 2024

Sign up for offer

Register your interest now and we will contact you as soon as possible or alternatively call our Customer Enquiry Line on 0330 024 9000

Carbon Reduction Grant 2024

Enjoy cashback when you switch from oil to Natural Gas with our carbon reduction grant in partnership with action renewables.

With over 111,000 firmus energy customers across Northern Ireland, you will be in good company.

By connecting to natural gas you can benefit from -

  • Constant hot water
  • Instant heat 
  • Never needing to re-order fuel
  • More space in your garden by removing the old oil tank and 
  • More space in your home by removing the hot water cylinder
  • Controllable cooking with gas


AND reduce your home heating carbon emissions by up to 50%*


To register your interest in natural gas or learn more about our, fill out the form on this page. 

Terms & Conditions Apply

After signing up for a gas meter installation by the end of June 2024, you can claim your cashback by sending a copy of your installer invoice to after you have made the switch. You may also post your invoice to -

Customer Services,
firmus energy
A4 – A5 Fergusons Way
BT41 4LZ

This offer is open to firmus energy network customers only.

One offer per connection.

Offer ends 31st August 2024.


*Based on 28% differential in carbon emissions assuming up to further 30% savings through heating system efficiencies.

Sign up to
our Newsletter

Exclusive offers and latest news straight to your inbox!

What kind of business are you?

Why am I having to do this?

To give you the most accurate information for your town and county, please enter your postcode below.

How do you pay for your natural gas?

By Credit

Do you receive a monthly bill for your energy usage?


With a Pay as You Go card

Do you purchase a top-up card for your energy?


What kind of business are you?

Small or Medium Business

Small businesses spend about £2,600 or less per bill. Medium businesses spend about £35,000 or less per bill.


Large Business

Large businesses spend about £250,000 or less per bill

Make sure you have your bank details and SMP or meter serial number ready

Bank details

All we need is your account number and sort code *


SMP Number

This is the number usually at the top right of your bill or on your connection paperwork

Okay, I have them

If your account requires 2 signatures, or you are not the bank account holder, please call us first on 0330 024 9000
If you don’t have this number, call our switch team on 0330 024 9000