20210728Idaho Power Valmy Public Workshop.pdf

PUBLIC WORKSHOP
Established in 1913. Idaho Code Sections 61, 62, and 63.
The Commission regulates Idaho's investor-owned utilities, ensuring adequate
service and reasonable rates.
The Commission is made up of three commissioners appointed by the Governor.
The Commission makes the decisions in each case.
Commission Staff is made up of Auditors, Consumer Advocates, Engineers &
Technical Analysts.
Commission Staff is a party in all filed cases and provides comments and
recommendations to the Commissioners.
IDAHO PUBLIC UTILITIES COMMISSION
PARTICIPATION
APPLICATION
COMPANY REQUEST:
The Commission issue an order acknowledging that, based on information known at this time, the
appropriate exit date from Valmy Unit 2 is December 31, 2025.
The Commission issue an order no later than September 29, 2021, to allow Idaho Power adequate
time to notify NV Energy (the plant operator) should the Commission direct Idaho Power to pursue an
earlier exit date of Valmy Unit 2.
BACKGROUND
North Valmy Power Plant
•568 MW Coal-fired Power Plant
•Unit 1 (254 MW Net Capacity) Ended participation of Unit 1 on December 31, 2019
•Unit 2 (268 MW Net Capacity) Previous analysis showed unit withdrawal on December 31, 2025
•50% or 284 MW Owned by Idaho Power (Co-Owned & Operated by NV Energy)
•134 MW Net Capacity Remaining -Idaho Power (50% -Unit 2)
Prior Company Analysis
•IPC-E-19-08 (Order No. 34349) Company directed to validate December 31, 2025
•IPC-E-19-18 Request acknowledgement to validate economic retirement as of December 31, 2025
•Case suspended (Further review was needed)
•2019 Idaho Power Integrated Resource Plan
•Case withdrawn
•2019 Idaho Power Integrated Resource Plan (Second Amended)
CURRENT ANALYSIS
North Valmy Unit 2 Exit Analysis
•Problem Related to Reliability
•Update Load and Resource Balance
•Enhanced Planning Margin
•Options to Replace Firm Capacity
•Potential Solutions Based on Economics
•Alternative Resource
•Capacity Replaced with Solar + Battery
•Capacity Replaced with Battery
•Capacity Replaced with Expanded Demand Response
•Capacity Replaced with Delayed Bridger Exit
•Results indicate lower costs by keeping a December 31, 2025, exit date
CUSTOMER COMMENTS
Customer written comments are due no later than AUGUST 17, 2021
(Reference Case Number IPC-E-21-12)
•Email Address –[e-mail]
•Internet Website Address –www.puc.idaho.gov
•Select -Case Comment Form
•Telephonic Customer Hearing –TUESDAY, AUGUST 24, 2021, AT 7:00 PM
•To participate, Call 1-415-655-0001 (passcode 177 246 6391)
COMMENTS ONLY (QUESTIONS WILL NOT BE ADDRESSED)
ONCE COMMENTS ARE SUBMITTED, THEY BECOME PUBLIC RECORD
WEBSITE HOMEPAGE
CASE COMMENT FORM
EVENT DATE
CASE FILED APRIL 30, 2021
INTERVENTION DEADLINE JUNE 11, 2021
TELEPHONIC PUBLIC WORKSHOP JULY 28, 2021 (7:00 PM)
WRITTEN COMMENTS DUE AUGUST 17, 2021
TELEPHONIC CUSTOMER HEARING AUGUST 24, 2021 (7:00 PM)
REPLY COMMENTS DUE AUGUST 31, 2021
CASE SCHEDULE
CUSTOMER HEARING
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