Hot Water Energy Cost Estimator
Calculate your hot water running costs and compare savings between different system types.
Approximate equivalent daily energy use in watts
Western Australia average electricity rates
WA natural gas average ~$0.035/MJ
Estimates based on typical usage patterns and average WA energy rates. Actual costs vary based on individual habits, system efficiency, tariff structures, and seasonal changes.
Want to Reduce Your Hot Water Costs?
Heat pump systems can reduce hot water energy costs by up to 80%. Get a free assessment to see if a heat pump is right for your home.
Hot Water System Running Costs Comparison
Average annual running costs for a family of 4 in Perth:
Costs are estimates and vary based on usage, tariffs, and system efficiency. Heat pumps and solar systems have higher upfront costs but lower running costs.
Ready to cut your hot water costs?
Heat pumps can reduce hot water energy costs by up to 80%. Government rebates available.