utility costs (electricity, gas, water)
Refers specifically to combined costs for electricity (光熱) and water (水). Often used in household budgeting or rental contexts.
This month's utility costs were higher than last month's.
Utility costs are separate from the rent.
Compound of 光熱 (こうねつ, 'light and heat', i.e., electricity and gas) + 水 (すい, 'water') + 費 (ひ, 'cost').