Water heater electricity cost in France
Storage water heaters are often scheduled for off-peak operation, making contract option, tank losses, household demand, and control settings important.
Use the TTC Heures Creuses rate only for energy actually heated during those hours; otherwise use the applicable Base or peak rate.
Confidence A 98/100. Effective 2026-02-01 to 2026-07-31.
Check official source ↗Transparent method
The local calculation
Water-heating cost = element kW × active heating hours × tariffThe device model stays global. The currency, tariff scope, validity period, and billing cautions come from the France data layer.
Read the methodology →Before trusting the result
Three checks for France
Model off-peak scheduling and reheating separately.
Use element runtime rather than the full energised period.
Include tank standby losses when comparing storage sizes.
Turn estimates into evidence
Measured this device in France?
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