Potential Transmission Construction Scheduling In Southern Minnesota--- Fall Spring 2006 Xcel Energy has posted Significant Transmission construction during this time frame associated with its Wind Development in Southern Minnesota There are a number of Large Generators in the counties generally south of the Twin Cities identified as still active in the MISO queue with requested in service dates within or near this same time frame

Transmission Construction Scheduling In Southern Minnesota Fall Spring 2006 Of these generators, the following have completed the facility study phase. –# MW Rice Co –# MW Blue Earth Co –# MW Scott Co Using the interconnection and facility study results of just these generators, the following map shows the location of the transmission construction projects of the wind 825 Mw projects and these generator interconnections should they continue.

Southern Minnesota Potential Transmission Work Fall 2004-Spring 2006 Granite Falls / Minnesota Valley Blue Lake Red Rock Rush City Wilmarth Adams Byron Prairie Island A.S. King to Eau Claire Parkers Lake Monticello To Hazleton To Raun J:/DSPPLAN/schd67/outminn.ppt Willmar Glenwood Douglas Co. West Owatonna Winona W.Faribault Lakefield Jct. Sherco Benton Co. Chisago Co. St Cloud To Rochester Little Falls Grant Co. To Riverton Morris Benson Panther To Austin Franklin Marshall Split Rock Pipestone Lake Yankton Buffalo Ridge Chanarambie To Morris To Granite Falls To Fergus Falls Transmission work Fall 04- Spring 2006 Require outages during construction Note: we expect some additional work to come from delivery studies based on interconnection study results

# MW Rice Co. Based on the Facility study for this interconnection, this generation plant is located just north of Faribault MN and will require the following major transmission work: –Replace W. Faribault kV Transformers –Rebuild Fair Park- Northfield 69 kV line –New Faribault Energy Park 115 kV substation –Rebuild Lake Marion-W. Faribault 115 kV line Construction duration: 23 Months Interconnection study strongly suggests additional transmission will be needed by this project for delivery.

# MW Blue Earth Co. Based on the Facility study for this interconnection, this generation plant is located Xcel Energy’s Wilmarth Substation and will require the following major transmission work: –Major rebuild 69, 115 and 345 kV substation –Requires completion of Eastwood 115 kV conversion project. Construction duration: 21 Months Interconnection study strongly suggests additional transmission will be needed by this project for delivery.

# MW Scott Co. Based on the Facility study for this interconnection, this generation plant is located Xcel Energy’s Blue Lake Substation and will require the following major transmission work: –Major Blue Lake 115 kV substation expansion –Move Black Dog kV transformer to Blue Lake –>1 mile 230 kV double circuit –Re-conductor Blue Lake-Black Dog Line Construction Duration: –First learned about in October 2003 –Will just make May 2005 in-service Generator entered Facilities Construction Agreement to allow pre- IA Engineering and procurement.

Additional Large Generator Interconnection requests in MISO’s queue # MW Martin Co2004 # MW Dakota Co2007 # MW Carver Co 2005 # MW Martin Co2006 # MW Goodhue Co2006