Oahe Dam Breaker Replacement - Pierre, SD
Removal of Six 115 kV Oil Filled Circuit Breakers and Twelve 230 kV Oil Filled Circuit Breakers
Installation of Six 115 kV SF6 Circuit Breakers, Twelve 230 kV SF6 Circuit Breakers, and 115 kV and 230 kV CVT’s
Modification of existing bus
Fiber optic installation
Replacement of control wiring
All work was performed with the substation in service
Hauser Dam Generator Retrofit
Removed original 1920's transformers, electrical
equipment, cabling, and control system.
Installed new step up transformers, bus duct, cabling,
control system and all other associated eletrical components.