Ohau B & C are twiin stations with the same capacity and similar generating equipment.
| – | Located on a canal linking Lake Ruataniwha with the much larger Lake Benmore. |
| – | Fully commissioned during 1984/85. |
| – | A labyrinth weir located downstream from Ohau B station allows water to be diverted into the Ohau River which runs parallel to the canal. This means Ohau B can operate if Ohau C needs to be taken out of service. |
| – | From Ohau C, water flows into Lake Benmore which feeds to the power stations in the mid Waitaki system. |
Key statistics
Ohau B
– Nominal annual generation: 970 GWh
– Installed capacity 212 MW
Ohau C
– Nominal annual generation: 970 GWh
– Installed capacity 212 MW