Manx Gas customers will be hit with a 3.5 per cent price rise from the end of next week.
Standing charges are due to go up by the same percentage, too.
It means the average bill will go up by around £27 a year.
The firm's commercial director, John Davies, says it can no longer absorb rising global energy costs:
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Motorcyclist flown to UK for treatment after Ballamodha crash
Police appeal for witnesses to Wednesday afternoon's collision
Surge in first time buyers enquiring about mortgages
Advisors dealing with 60-70 requests for meetings each week
Air ambulance involved in Ballaugh collision response
Patient 'did not need treatment from major trauma centre'
Braddan Commissioners petitioning DOI for £475,000 for housing maintenance
It says the loan would be repaid over 30 years
Mayor of Douglas charity appeal raises £3000 for local charities
RNLI, Live at Home and the IOM Parrot Sanctuary all received £1000
Flat fire caused by discarded cigarette
Fire crews called out to Head Road this morning
