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Published byLinette Wells Modified over 9 years ago
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Xcel Energy Projects From 2008 Reliability Assessment
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Douglas Co 2 nd Transformer: Low voltages in the region for the loss of Douglas Co transformer. Install a 2 nd Douglas Co 115/ 69 kV transformer. Planned inservice date is ~ 2011
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Monticello Transformer Upgrade: Loss of Sherco – Benton 345 kV line overloads Monticello 345/230 kV transformer. Upgrade the existing transformer to 550 MVA. Inservice date ~ 2011.
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Sioux Falls Area Upgrades Add second 112 MVA transformer at Lawrence ISD – 12/1/2012 Split dbl ckt 115 kV line from Split Rock- Cherry Creek/West Sioux Falls ISD – 6/1/2011 Solves low voltages and transformer overloads
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South Minneapolis Electric Reliability Project (SMERP) New HWY 280 345/ 115kV sub 2013 345 kV line 2013-2020 New Hiawatha sub 2010 and Midtown sub 2010 Open Elliot Park-Hiawatha line 2013-2020 New Crosstown sub 2014 Dbl ckt 115 kV line 2014 To Lexington 115 kV line 2013 2-672 MVA @ Parkers Lake 2015 2-672 MVA @ Eden Prairie 2014 2-672 MVA @ Red Rock 2013
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Cannon Falls Area Upgrades Loss of either Cannon Falls transformer overloads the other transformer. Add a 115/69kV 112MVA transformer at Colville substation. Reroute Cannon Falls- Byllesby 69kV line to Colville-Byllesby. Replace bus tie breaker with a breaker ring bus at Cannon Falls. ISD – 6/1/2012
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