Interested in generating your own power for the grid ?
TrustPower is able to buy power from small scale domestic generators who are properly connected to supply the national grid. This includes micro hydro schemes, solar panels and wind turbines (under 10 kW capacity).
For TrustPower to purchase electricity the customer installation must be with TrustPower (as retailer) for both consumption and for generation. Once connected, the export of electricity to the grid is achieved via a new meter which TrustPower installs to measure the surplus energy resulting from your net generation. This net generation is the output of your generator minus the total energy you are using at any point in time. The cost to install this meter would be up to $100+GST, payable by the customer.
The retail rate you are currently paying for power supplied includes lines company charges, administration costs and operating margins. TrustPower’s “generation rate” is derived from the equivalent wholesale cost of electricity on the spot market, adjusted for volume, reliability and other factors. Our current “generation rate” is 7.0c/ kWh, + GST if applicable.
The links below provide more information that you may find useful in researching domestic (“distributed”) generation.
Energy Efficiency and Conservation Authority - Government agency information.
Sustainable Electricity Association New Zealand - for general background info on distributed (small scale) generation.
Electricity Networks Association - for the requirements to connect to grid via your local network company, and other useful links.
Electricity Authority - for a useful report on the current economics and regulation of domestic generation.
Electricity Authority - Fact sheet from the Electricity Authority regarding small scale distributed generation.