Mica was originally designed to hold six generating units, but only four were installed when the station was constructed in the 1970s. BC Hydro is now working to add two new generating units at Mica that will provide an additional 1,000 megawatts of capacity to the system. The new turbine will power the sixth generating unit currently under construction.
Andritz Hydro manufactured the turbine in Germany, and it was transported over 13,000 kilometres by sea, road and barge before arriving at Mica Generating Station in late October. The turbine for the fifth generating unit was delivered following the same route in June 2013.