Tekapo B station was commissioned in 1977. It was bilt on dry land and was surrounded by water when the Pukaki High Dam was built.
About two-thirds of of the powerhouse foundation is now below the water Level.
| – | Situated in Lake Pukaki. |
| – | Located at end of a 26.5 kilometre-long canal which takes water from Tekapo A; average canal depth, 5.3 metres. |
| – | 147 metre height difference between canal and Lake Pukaki. |
| – | Constructed in 1977 on dry land but was surrounded by water when Lake Pukaki was raised to a new range of operating levels following the completion of the Pukaki high dam. |
| – | Substructure is 32 metres high on top of which is the (visible) station superstructure. |
Key statistics
– Nominal annual generation: 800 GWh
– Installed capacity: 160 MW