20170531Quarterly Report.pdf

ROCKY MOUNTAIN
PCNN'ER
May 31,2017
VA OVERNIGHT DELIVERY
Idaho Public Utilities Commission
472W. Washington
Boise, ID 83702
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Affention:Diane Hanian
Commission Secretary
Rocky Mountain Power's Quarterly Energy Cost Adjustment Mechanism (ECAM)
2017 Ql (January 2017 through March 2017) Report
Ms. Hanian
Please find enclosed for review three (3) copies of Rocky Mountain Power's 2017 Ql ECAM
report and a confidential CD containing the ECAM work papers. The Idaho Public Utilities
Commission authorized implementation of an ECAM in Order 30904 to track and defer the
difference between base net power costs established in a general rate case, and actual net power
costs incurred by the Company to serve its Idaho customers.
This report contains confidential information and is being provided to those that have executed
the confidentiality agreement to receive this quarterly ECAM report.
Informal inquiries may be directed to Ted Weston, Idaho Regulatory Manager at (801) 220-
2963.
Sincerely,
Jeffrey K. Larsen
Vice President, Regulation
Enclosures
Randy Lobb
Mike Louis
Randy Budge
Jim Smith
Katie Iverson
Eric Olsen
cc
Idaho
Energy Cost Adjustment Mechanism (ECAM)
2017 Ql (January 2017 through March 2017)
Exhibit I
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