20260918Petition to Intervene.pdf

RECEIVED
September 18, 2026
IDAHO PUBLIC
Peter J. Richardson, ISB #3195 UTILITIES COMMISSION
Richardson Adams
515 N. 27 h Street
Boise, Idaho 83702
Telephone: [phone]
petergrichardsonadams.com
RICHARDSON ADAMS,PLLC
Attorneys for the Industrial Customers of Idaho Power
BEFORE THE
IDAHO PUBLIC UTILITIES COMMISSION
IN THE MATTER OF IDAHO POWER )
COMPANY'S APPLICATION FOR ) CASE NO. IPC-E-26-23
APPROVAL OF REVISED DEPRECIATION )
RATES FOR ELECTRIC PLANT-IN-SERVICE) PETITION TO INTERVENE
AND REQUEST FOR ACCOUNTING ORDER) OF THE INDUSTRIAL CUSTOMERS
OF IDAHO POWER
COMES NOW, The Industrial Customers of Idaho Power("Intervenor") and pursuant to
the combined Notice of Application and Notice of Intervention Deadline issued by the Idaho
Public Utilities Commission("Commission") in Order No. 37160 and pursuant to this
Commission's Rule of Procedure, Rule 071, IDAPA 31.01.01.071,hereby petitions the
Commission for leave to intervene herein and to appear and participate herein as a party, and as
grounds therefore states as follows:
The name and address of this Intervenor is:
Industrial Customers of Idaho Power
c/o Peter J. Richardson
Richardson Adams
515 N. 27 h Street
Boise, Idaho 83702
Telephone: [phone]
peter(c,Sichardsonadams.com
ICIP Intervention—IPC-E-26-23

This Intervenor will be represented herein by:
Peter J. Richardson
515 N. 271h Street
Boise, Idaho 83616
Telephone: [phone]
petergrichardsonadams.com
Copies of all pleadings,production requests, production responses, Commission orders
and other documents should be provided to Peter J. Richardson as noted above.
This Intervenor,the Industrial Customers of Idaho Power, is an unincorporated
association of large industrial consumers of electricity. All of the members of the Industrial
Customers of Idaho Power receive electric utility services from Idaho Power Company under its
Tariff Schedule No. 19. These industrial consumers claim a direct and substantial interest in this
proceeding in that this proceeding may have a direct effect on the electric rates they pay Idaho
Power.
This Intervenor, in its capacity as a representative of industrial consumers' interests,
intends to participate herein as a party, and if necessary,to introduce evidence, cross-examine
witnesses, call and examine witnesses, and be heard in argument. The nature and quality of
evidence which this Intervenor will introduce is dependent upon the nature and effect of other
evidence in this proceeding.
Without the opportunity to intervene herein, this Intervenor would be without any means
of participation in this proceeding and thus would be unable to participate in a proceeding which
may have a material impact on its electric rates.
Intervention—IPC-E-26-23 2

Although not required by this Commission's Rules, the multiple representation by this
Intervenor of its members' interests will prevent duplication of effort and aid in the
administration of these proceedings.
WHEREFORE, the Industrial Customers of Idaho Power request that this Commission
grant its Petition to Intervene in these proceedings and to appear and participate in all matters as
may be necessary and appropriate; and to present evidence, call and examine witnesses, present
argument and to otherwise fully participate in these proceedings.
DATED this 18th day of September, 2026.
Richardson Adams,LLP
By
Peter J. Richardson
Attorney for the Industrial Customers
of Idaho Power
Intervention—IPC-E-26-23 3

CERTIFICATE OF SERVICE
I HEREBY CERTIFY that on the 18th day of September 2026, a true and correct copy of
the within and foregoing PETITION TO INTERVENE BY THE INDUSTRIAL CUSTOMERS
OF IDAHO POWER, Case No. IPC-E-26-23, was served by electronic mail to:
Megan Goicoechea Allen
Donovan Walker
Tim Tatum
Connie Aschenbrenner
Kelley Noe
Regulatory Dockets
Idaho Power Company
1221 West Idaho Street 83702
PO Box 70
Boise, Idaho 83707-0070
mgoicoecheaal lenLw idahopower.com
dwalker(i6dahopower.com
[e-mail]
cashenbrenneraa,idahopower.com
knoegidahopower.com
[e-mail]
Monica Barrios-Sanchez, Secretary
Idaho Public Utilities Commission
11331 W/Chinden Blvd., Bldg 8, Ste. 201-A
PO Box 83720
Boise, Idaho 83720-0074
Monica.barriossanchez(cDpuc.idaho. og_v
secretMgpuc.idaho.gov
Peter Richar son, ISB #3195
Intervention—IPC-E-26-23 4