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13.8kV
NSP
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Northern States Power - Sioux Falls, SD [Flickr'd]

Northern States Power - Sioux Falls, SD [Flickr'd]
This is a little bit of a mishmash and has been changed around quite a bit over the last 10 years.

First of all, the topmost circuit is Sioux Falls Light Division's Circuit #3 - originally 2400V, but it was rebuilt to 13.8kV sometime in the early 1990s. The second circuit with thin wire is an old NSP 4kV circuit that got rebuilt to 13.8kV around the mid-1990s. I can remember the pole that used to be where that angle / transformer pole is now; it was a typical 4kV pole with droplines down to the cans below the secondary. This circuit used to continue around this corner to join up with the main 4kV system, but had long been rerouted to a different circuit after it was converted to 13.8kV.

The third line with the heavy ACSR is a recent addition by Xcel to loop two 13.8kV circuits together - you can see a switch pole in the far back between this connector line and the older NSP circuit.

Featured on Flickr's 'Explore' - #134 on 1-23-13

This pole was removed in the fall of 2015.

Sean Kinnier, Power Lines have particularly liked this photo


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