Major projects

MainPower has the required consents to construct a solar farm on a 10-hectare site at Thongcaster Road. When complete, the…

MainPower’s sub-transmission line between Oaro and Cheviot is constructed at 66 kV but is currently operating at 33 kV. This…

In early 2025 we will begin construction on a new substation at 41 Reserve Road, Balcairn. In February and March…

We are upgrading the line that supplies electricity to Hanmer Springs from 33 kV to 66 kV. While Hanmer Springs…

As part of MainPower’s planning for future capacity, as well as the retirement of end-of-life assets, we are going to…