From 1st April 2025, our regulated tariffs are decreasing by 11.84% in the 10 Towns Network

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!

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£600 Cashback Offer

£600 Boiler Scrappage Scheme

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

£600 Boiler Scrappage Scheme

£600 Cashback Offer

The Boiler Scrappage Scheme.

Enjoy £600 cashback with this exclusive offer when you replace your oil boiler to an efficient natural gas boiler.

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

Claim Your Cashback in 3 Simple Steps:

1. Register your interest using the form before 15th August 2025.  

2. Get your gas meter installed by 15th November 2025. 

3. Send your installer invoice to: customercare@firmusenergynetworks.co.uk Or post it to: 

   Customer Services 

   firmus energy networks 

   A5 Fergusons Way 

   Antrim BT41 4LZ 

Important details: 

  • Available to new firmus energy network customers only 
  • One cashback offer per connection 
  • Offer valid from 7th May to 15th August 2025.

Terms and Conditions Apply

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What kind of business are you?

Small Business

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

Yes
or

Medium or Large Business


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

Yes
Are you an electricity customer? Click here for more information
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?

Yes
or

With a Pay as You Go card

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

Yes
Are you a business? Click here for our business tariffs & offers

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.

or

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