20230404AVU to Staff 16.doc

AVISTA CORPORATION
RESPONSE TO REQUEST FOR INFORMATION

JURISDICTION: IDAHO DATE PREPARED: 04/04/2023
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]

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