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Terms and Conditions - Gas

Terms & Conditions 25% Welcome Discount (Domestic)

Terms and Conditions - Gas 9 Nov 2026

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(149.72 KB)

Terms & Conditions £200 Welcome Bonus

Terms and Conditions - Gas 9 Nov 2026

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(335.18 KB)

Welcome Bonus £200- Best Offer Verification

Terms and Conditions - Gas 9 Nov 2026

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(246.08 KB)

Terms & Conditions - Greater Belfast Home Gas Tariff (Offline)

Terms and Conditions - Gas 8 Oct 2026

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(383.37 KB)

Reports

2026 Annual Report on Compliance with CoP for Consumers in Vulnerable Circumstances

Reports 23 Oct 2026

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(1.54 MB)

Terms and Conditions – Electricity

BillPay EV Ebill 6% - Product Terms and Conditions

Terms and Conditions – Electricity 15 Oct 2026

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(38.98 KB)

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firmus energy

5 Trench Road, Mallusk
Newtownabbey, County Antrim
BT36 4TY

furtherinfo@firmusenergy.co.uk
0330 024 9000
 

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