Calculate Your Energy Costs with Power Buddy

Get accurate energy usage estimates for your New Zealand home using local weather data and real power rates from NZ retailers.

Start Calculator Special Offers

100%

NZ Focused

Real-time

Weather Data

20+

Power Retailers

Quick Energy Preview
Hot Water $800/year
Heating $1,200/year
Appliances $600/year
Get Your Estimate

Why Choose Power Buddy?

Designed specifically for New Zealand homeowners with accurate local data

Location-Specific

Uses real New Zealand weather data and regional variations to calculate accurate heating and cooling costs.

Real Power Rates

Compare costs across 20+ New Zealand power retailers with up-to-date pricing information.

Savings Calculator

See potential savings with heat pumps and energy-efficient appliances with detailed payback analysis.

Full Home Energy Audit

Enter your address once and get personalised savings on heating, hot water, lighting and solar — with payback period and 25-year benefit.

Start My Home Audit
Standalone Solar & PV Calculator

Just want to model a solar system? Try our PV-only tool with NZ peak-sun-hour data and battery modelling.

Solar Calculator

Ready to Save on Energy Costs?

Get your personalized energy calculation in under 2 minutes.

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