20100312PacifiCorp Response.pdf

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201 South Main, Suite 2300
Salt Lake City. Utah 84111
March 12, 2010
nA OVERNIGHT DELIVERY
Idaho Public Service Commission
472 West Washigton
Boise, ID 83702-5983
Attention:Ms. Jean D. Jewell
Commission Secreta
RE: CASE NO. GNR-E-10-Ol
IN THE MATTER OF THE ADJUSTMENT OF AVOIDED COST RATES FOR
NEW PURPA CONTRACTS FOR AVISTA CORPORATION DBA AVISTA
UTILITIES, IDAHO POWER COMPAN, AND PACIFICORP DBA ROCKY
MOUNTAIN POWER.
Puruat to the Idao Public Utilities Commssion (Commssion) Order No. 29124, issuace of a
new gas forecast by the Nortwest Power and Conservation Council (NCC) automaticaly
trggers recalculation of the published avoided cost rate.
On March 2, 2010 NPCC approved a new natual gas forecast and on March 8, 2010 ths forecast
was posted on NPCC's website. Commssion staff has updated the avoided costs rates based on
the new gas forecast and provided the updated rates to Rocky Mountan Power for review.
Ths letter is to inorm the Commssion that Rocky Mounta Power has reviewed the
Commission sts calculation of the updted avoided cost rates and acknowledges that the
updated rates are calculated correctly.
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Vice President, Reguation
cc:
Scott Woodbur
Rick Sterling