20230405AVU to Staff 16 Revised.pdf

AVISTA CORPORATION RESPONSE TO REQUEST FOR INFORMATION

JURISDICTION: IDAHO DATE PREPARED: 04/05/2023 CASE NO: AVU-E-23-01 / AVU-G-23-01 WITNESS: Tia Benjamin REQUESTER: IPUC RESPONDER: T. Benjamin/K. Schultz TYPE: Production Request DEPARTMENT: Regulatory Affairs
REQUEST NO.: Staff-016 Supplemental TELEPHONE: [phone] Revised REQUEST:
Please prepare a schedule for plant in service that includes project name and description, and the dollar amount of each project closed to plant in service in excess of $2 million from 2021 through 2023 to date.
RESPONSE: As shown in Staff_PR_016 Attachment A, Avista has identified 20 business cases for which the transfers to plant in service, allocated or directly assigned to Idaho electric or Idaho natural gas, exceeded $2 million annually in 2021 through January 2023. Please see Staff_PR_016 Attachment
A for capital business case (project) names, and dollar values associated with each. See also
Avista’s response to Staff_PR_017 for descriptions and additional requested information for the 20 business cases identified. SUPPLEMENTAL RESPONSE 04.04.2023:
Per discussions with IPUC Staff, the Company is providing actual calendar 2022 monthly transfers-to-plant data, by Business Case and BI detail for the following Business Cases: 1. Electric Storm
2. Cabinet Gorge Dam Fishway
3. New Revenue Growth 4. GFRP Aldyl A Pipe Replacement 5. Gas Replacement Street and Highway Program 6. Transmission Major Rebuild- Asset Condition
7. Saddle Mountain 230/115kV Station (New) Integration Project Phase 2 8. CS2 Single Phase Transformer 9. Substation-Station Rebuilds Program 10. Fleet Services Capital Plan 11. Wood Pole Management
12. KF_Fuel Yard Equipment Replacement SUPPLEMENTAL RESPONSE REVISED 04.05.2023: The Company provided actual calendar 2022 monthly transfers-to-plant data, by Business Case and Budget Item (BI) detail, for the list of Business Cases above in Staff_PR_016 Supplemental
Attachment A. The Company inadvertently included approximately -$2.3 million in 2022 on a system basis ($188,000 Idaho electric) of Plant Held for Future Use (PHFFU) related to the Substation-Station Rebuilds Program Business Case within the Staff_PR_016 Supplemental Attachment A. Please refer to Staff_PR_016 Supplement Attachment A Revised, where
transfers-to-plant associated with PHFFU FERC accounts 360105 and 350105 have been
removed.
RECEIVED
2023 April 5, 4:31PM
IDAHO PUBLIC
UTILITIES COMMISSION