Early 2013 is the proposed in-service date for the 345 kV transmission line.
Early 2013 is the proposed in-service date for the 230 kV transmission line to Morris, Minnesota.
- December 11 - 22, 2006: Certificate of Need hearings conducted by administrative law judge
- January 2, 2007: Transmission route permit approved
- August 2007: Administrative law judge report recommended approval of transmission lines
- November 2007: Supplemental Certificate of Need testimony submitted to Minnesota Public Utilities Commission
- April 2008: Anticipated Minnesota Public Utilities Commission Certificate of Need decision.
- 2010: Construct Big Stone to Granite Falls facilities
- 2011: Construct Morris to Johnson Facilities
- 2012: Construct Johnson to Big Stone facilities
