20061120_1739.pdf

DECISION MEMORANDUM
TO:COMMISSIONER KJELLANDER
COMMISSIONER SMITH
COMMISSIONER HANSEN
COMMISSION SECRETARY
COMMISSION STAFF
LEGAL
FROM:CECELIA GASSNER
DATE:NOVEMBER 15, 2006
SUBJECT:IDAHO POWER COMPANY'S 2006 INTEGRATED RESOURCE PLAN;
CASE NO. IPC-06-
On September 24, 2006, Idaho Power Company ("Idaho Power" or "Company ) filed
its 2006 Integrated Resource Plan (IRP). On October 18, 2006, the Company filed a revised plan
that corrected certain typographic errors and revised certain exhibits. The Company s filing is
pursuant to a biennial requirement established in Commission Order No. 22299, Case No. U-
1500-165. The IRP describes the Company s growing customer base, load growth, supply-side
resources, demand-side management and risk analyses. Additionally, the 160-page IRP
document and related appendices contain information regarding available resource options
planning period forecasts, potential resource portfolios, a ten-year resource plan, and a near-term
action plan.
THE INTEGRATED RESOURCE PLAN
According to the Plan Summary, the Company anticipates that its customer base will
increase from approximately 455 000 to over 680 000 by the end of the planning period of2025
an increase of 11 000 to 12 000 new customers each year. The Company states that it used a
conservative resource plan based upon a worse-than-median level of water. It uses 70th
percentile water conditions and 70th percentile average load for energy planning. In addition, for
peak-hour capability planning, it uses 90th percentile water conditions and 95th percentile peak-
hour load.
The IRP states that it includes 1 300 MW (nameplate) of supply-side resource
additions and DSM programs designed to reduce peak load by 187 MW and average load by
DECISION MEMORANDUM
88aMW.The Company s average load is expected to increase by 40 aMW, and summertime
peak-hour loads are expected to increase by 80 MW per year through 2025.
STAFF RECOMMENDATION
Staff recommends that the Commission issue a notice of the IRP's filing and
establish a comment period of sixty (60) days. This should allow all interested parties sufficient
time to review the document and submit any comments.
COMMISSION DECISION
Does the Commission approve of issuing a notice of the IRP'filing and a comment
period of sixty (60) days?
Cecelia A. Gass
M:IPC-O6-
DECISION MEMORANDUM