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South Dakota Public Utilities Commission


For the Period March 13, 2008 through March 19, 2008


Copies of these items may be found on the PUC web site at




EL08-007  -   In the Matter of the Filing by NorthWestern Corporation d/b/a NorthWestern Energy for Approval of Tariff Revisions.


              Application by NorthWestern Energy for approval of tariff revisions discontinuing the installation of mercury vapor street lighting fixtures for new installations. The Energy Act of 2005 prohibits the manufacture or importation of mercury vapor ballasts after January 1, 2008. NorthWestern currently has about 4,400 customers using mercury vapor fixtures.

Staff Analyst: Dave Jacobson

Staff Attorney: Kara Semmler

Date Filed: 03/17/08

Intervention Deadline: 04/04/08


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