This 40-tonne dam gate, which protects one of three new generators at Karāpiro, was put in place during a precision exercise on the Waikato River dam this week.
It marked the completion of another stage of a $90 million upgrade at the Karāpiro Hydro Power Station – during which time the road over the dam has been closed.
At the end of the project the hydro dam output will be increased sufficiently to service another 19,000 homes.
Read more: Another milestone reached