SEANZ has developed an interactive online tool to help you understand more about solar electricity and how you can maximise your savings using solar.
The Solar Optimiser takes you step-by-step through important questions specific to your household or business. It provides context to help you optimise solar specific to your requirements and to understand factors that impact the savings you can achieve.

You can use the Solar Optimiser here: http://www.solaroptimiser.nz/