NorthWetern Energy
Natural Gas Monthly Supply Rates
New Rate Effective Date March 1, 2010
 
Effective Date
Price/Dkt
 
Change
April 1, 2009
  $  5.57120
 
  $ (1.11140)
May 1, 2009
  $  5.51770
 
  $ (0.05350)
June 1, 2009
  $  5.12270
 
  $ (0.98100)
July 1, 2009   $  5.75620     $  0.63350
August 1, 2009
  $  5.15800
 
  $ (0.59820)
September 1, 2009
  $  5.27680
 
  $  0.11880
October 1, 2009
  $  5.09770
 
  $ (0.17910)
November 1, 2009
  $  5.55610
 
  $  0.45840
December 1, 2009   $  5.37110
    $ (0.18500)
January 1, 2010   $  5.22190
    $ (0.14920)
February 1, 2010   $  5.52500     $  0.30310
March 1, 2010
  $  5.28850
 
  $ (0.23650)
      
Natural gas supply rates change monthly based on current projected 12-month market prices. The revenues collected compared to actual costs incurred by NWE are trued up on an annual basis. NWE purchases wholesale natural gas from producers and passes the cost directly to customers without markup.