North Mankato Load Serving study Xcel Energy Great River Energy
System Characteristics • Major loads include Cities of Lesure and St. Peter • Only two strong sources from Wilmarth. • Long 69 kV lines.
Preferred Plan: • Preferred Plan is option 2. • Relatively inexpensive. • Scope for future 115 kV line additions from Helena substation.
Other Concerns: • SPS to trip the Helena – St. Thomas line for the loss of Helena – Wilmarth or Helena – Blue Lake 345 kV lines. • The inservice date for this project depends on the inservice date of Helena 345 kV substation. The project schedules has to be coordinated with the Southwest Minnesota – Twin cities 345 kV line.