20230201Benjamin Exhibit 13 Schedule 1.pdf

DAVID J. MEYER
VICE PRESIDENT AND CHIEF COUNSEL FOR
REGULATORY & GOVERNMENTAL AFFAIRS
AVISTA CORPORATION
P.O. BOX 3727
1411 EAST MISSION AVENUE
SPOKANE, WASHINGTON 99220-3727
TELEPHONE: [phone]
[e-mail]

BEFORE THE IDAHO PUBLIC UTILITIES COMMISSION

IN THE MATTER OF THE APPLICATION ) CASE NO. AVU-E-23-01
OF AVISTA CORPORATION FOR THE ) CASE NO. AVU-G-23-01
AUTHORITY TO INCREASE ITS RATES )
AND CHARGES FOR ELECTRIC AND )
NATURAL GAS SERVICE TO ELECTRIC ) EXHIBIT NO. 13
AND NATURAL GAS CUSTOMERS IN THE )
STATE OF IDAHO ) TIA C. BENJAMIN
)

FOR AVISTA CORPORATION

(ELECTRIC AND NATURAL GAS)

Investment Driver
Business Case Name 20221 2023 2024 20252
Customer Requested
New Revenue - Growth 42,893$ 64,393$ 58,607$ 32,947$
Mandatory and Compliance
Elec Relocation and Replacement Program 1,527$ 7,469$ 7,000$ 5,052$
Joint Use 2,033 5,000 4,000 2,667
Failed Plant and Operations
Electric Storm 4,018$ 5,000$ 5,000$ 3,333$
Meter Minor Blanket 88 250 250 167
Asset Condition
Distribution Grid Modernization 1,224$ 2,219$ 1,211$ 1,089$
Distribution Minor Rebuild 6,235 13,000 13,476 9,886
LED Change-Out Program 171 248 248 163
Wood Pole Management 4,066 13,000 10,000 8,613
Performance & Capacity
Distribution System Enhancements 4,862$ 7,901$ 6,998$ 3,262$
Substation - New Distribution Station Capacity Program 1,518 14,020 5,650 4,087
Total Planned Electric Distribution Capital Projects 68,635$ 132,500$ 112,440$ 71,266$
Investment Driver
Business Case Name 20221 2023 2024 20252
Mandatory and Compliance
Clearwater Wind Generation Interconnection 257$ -$-$ -$
Colstrip Transmission 181 280 590 331
Generation Interconnection - 200 - 426
Protection System Upgrade for PRC-002 124 -- -
Saddle Mountain 230/115kV Station (New) Integration Project Phase 2 - 17,868 - -
Spokane Valley Transmission Reinforcement Project 65 -- -
Transmission Construction - Compliance 2,020 2,540 - -
Transmission NERC Low-Risk Priority Lines Mitigation 1,750 3,341 1,000 -
Tribal Permits & Settlements 668 400 400 267
Westside 230/115kV Station Brownfield Rebuild Project - -7,054 -
Failed Plant and Operations
N Lewiston Autotransformer - Failed Plant 31$ -$-$ -$
Asset Condition
SCADA - SOO and BuCC 741$ 700$ 700$224$
Substation - Station Rebuilds Program 5,217 50,186 30,328 21,077
Transmission - Minor Rebuild 1,567 5,416 3,343 646
Transmission Major Rebuild - Asset Condition 3 13,102 9,750 -
Performance & Capacity
Cabinet Gorge 230kV Add Bus Isolating Breakers -$ -$-$ 1,700$
Total Planned Electric Transmission Capital Projects 12,624$ 94,033$ 53,165$ 24,671$
Electric Transmission Capital Projects (System) In $(000's)
Avista Capital Additions Detail (System)
July 1, 2022 - August 31, 2025 Transfers-to-Plant
Electric Distribution Capital Projects (System) In $(000's)
Exhibit No. 13
Case Nos. AVU-E-23-01 AVU-G-23-01
T. Benjamin, Avista
Schedule 1, Page 1 of 5
Investment Driver
Business Case Name 20221 2023 2024 20252
Customer Requested
New Revenue - Growth 22,693$ 34,362$ 33,859$ 16,124$
Mandatory and Compliance
Gas Above Grade Pipe Remediation Program 750$ 750$ 772$ 167$
Gas Cathodic Protection Program 733 715 715 -
Gas Facility Replacement Program (GFRP) Aldyl A Pipe Replacement 14,078 27,437 27,187 16,237
Gas Isolated Steel Replacement Program 522 850 850 577
Gas Overbuilt Pipe Replacement Program 264 400 412 -
Gas PMC Program 154 - 2,800 2,400
Gas Replacement Street and Highway Program 1,944 3,610 3,718 2,406
Gas Transient Voltage Mitigation Program 900 750 500 167
Failed Plant and Operations
Gas Non-Revenue Program 4,301$ 9,400$ 9,400$ 6,642$
Asset Condition
Gas ERT Replacement Program 238$ 348$ 225$ -$
Gas Regulator Station Replacement Program 621 1,077 1,077 951
Performance & Capacity
Gas Reinforcement Program 1,199$ 1,300$ 1,000$ 669$
Gas Telemetry Program 151 295 304 197
Gas Operator Qualification Compliance 203 27 - -
Jackson Prairie Natural Gas Storage Facility 1,203 2,370 2,422 1,607
Total Planned Natural Gas Distribution Capital Projects 49,954$ 83,691$ 85,241$ 48,144$
Investment Driver
Business Case Name 20221 2023 2024 20252
Mandatory and Compliance
Apprentice/Craft Training 52$ -$ -$ -$
Asset Condition
Capital Equipment Program 1,457$ 2,069$ 2,074$ 1,386$
Fleet Services Capital Plan 5,588 6,185 5,623 3,749
Oil Storage Improvements - 1,642 - -
Structures and Improvements/Furniture 2,708 5,468 3,582 2,835
Telematics 2025 501 808 200 133
Total Planned General Plant & Fleet Investment Capital Projects 10,306$ 16,172$ 11,479$ 8,103$
Investment Driver
Business Case Name 20221 2023 2024 20252
Customer Service Quality & Reliability
Wildfire Resiliency Plan 14,380$ 27,000$ 29,000$ 19,049$
Total Planned Wildfire Resiliency Capital Projects 14,380$ 27,000$ 29,000$ 19,049$
Natural Gas Distribution Capital Projects (System) In $(000's)
General Plant & Fleet Investments Capital Projects (System) In $(000's)
Wildfire Resiliency Plan Capital Projects (System) In $(000's)
Exhibit No. 13
Case Nos. AVU-E-23-01 AVU-G-23-01
T. Benjamin, Avista
Schedule 1, Page 2 of 5
Investment Driver
Business Case Name 20221 2023 2024 20252
Mandatory and Compliance
High Voltage Protection (HVP) Refresh 693$ 366$ 334$ 198$
Failed Plant and Operations
Technology Failed Assets 171$ 544$ 544$ 363$
Asset Condition - Enabling Technology
Technology Refresh to Sustain Business Process 2$ -$ -$ -$
Performance & Capacity - Enabling Technology
Basic Workplace Technology Delivery 252$ 800$ 800$ -$
Control and Safety Network Infrastructure 709 2,203 1,243 907
Data Center Compute and Storage Systems 1,275 2,518 2,184 529
Digital Grid Network 4,026 2,169 1,763 1,293
Endpoint Compute and Productivity Systems 4,392 2,553 3,063 637
Enterprise & Control Network Infrastructure 1,492 - - -
Enterprise Communication Systems 2,156 1,684 1,974 709
Enterprise Network Infrastructure 722 2,977 1,663 944
Environmental Control & Monitoring Systems 869 1,050 1,016 597
ET Modernization & Operational Efficiency - Technology 1,402 3,360 2,796 294
Fiber Network Lease Service Replacement 1,861 820 963 1,095
Land Mobile Radio & Real Time Communication Systems 4,383 2,437 1,971 86
Network Backbone 315 2,932 5,714 3,264
Asset Condition - Business & Operational Application Technology
Atlas 1,746$ 2,500$ 2,075$ 580$
Outage Management System & Advanced Distribution Management
System (OMS & ADMS)631 - - 33,190
Performance & Capacity - Business & Operational Application Technology
Energy Delivery Modernization & Operational Efficiency 5,851$ 5,830$ 3,349$ 3,114$
Energy Resources Modernization & Operational Efficiency 2,430 2,471 2,965 100
Financial & Accounting Technology 1,753 2,053 1,900 2,129
Human Resources Technology 485 435 450 -
Legal & Compliance Technology 163 461 465 -
Mandatory and Compliance - Security
CIP v5 Transition - Cyber Asset Electronic Access -$ 416$ -$ -$
Identity and Access Governance 595 420 201 -
Security Compliance 235 250 250 -
Customer Service Quality and Reliability - Security
Enterprise Business Continuity 41$ 349$ 100$ -$
Enterprise Security 2,216 2,811 1,405 956
Facilities and Storage Location Security 441 370 345 -
Generation, Substation & Gas Location Security 725 645 518 -
Telecommunication & Network Distribution location Security 97 161 115 110
Total Planned Enterprise Technology Capital Projects 42,129$ 45,585$ 40,166$ 51,095$
Enterprise Technology Capital Projects (System) In $(000's)
Exhibit No. 13
Case Nos. AVU-E-23-01 AVU-G-23-01
T. Benjamin, Avista
Schedule 1, Page 3 of 5
Investment Driver
Business Case Name 20221 2023 2024 20252
Mandatory and Compliance
Cabinet Gorge Dam Fishway 1,897$ 235$ -$ -$
Clark Fork Settlement Agreement 2,673 3,523 3,027 2,056
Right-of-Way Use Permits 75 250 250 167
Spokane River License Implementation 652 826 564 398
Failed Plant and Operations
Base Load Thermal Program 2,002$ 2,181$ 1,250$ 947$
Noxon Rapids HVAC - - 190 -
Peaking Generation Business Case 310 473 400 259
Asset Condition
Asset Monitoring System -$ -$ 250$ 250$
Base Load Hydro 682 923 675 101
Cabinet Gorge HVAC Replacement - - 1,753 -
Cabinet Gorge Station Service 7,647 5,140 - -
Cabinet Gorge Stop Log Replacement - 1,199 - -
Cabinet Gorge Unit 1 Governor Upgrade - 599 - -
Cabinet Gorge Unwatering Pumps 319 400 - -
Generation DC Supplied System Update 300 421 459 180
HMI Control Software 2,000 7,070 1,735 -
KF 4160 V Station Service Replacement - - 2,135 -
KF D10R Dozer Certified Power Train Rebuild - - - 600
KF Secondary Superheater Replacement - - 3,500 -
KF_Fuel Yard Equipment Replacement 28,170 1,005 - -
KF_ID Fan & Motor Replacement - - 1,650 -
Little Falls Crane Pad & Barge Landing - 2,997 - -
Little Falls Plant Upgrade 355 - - -
Long Lake Plant Upgrade - - - 38,000
Monroe Street Abandoned Penstock Stabilization - 897 - -
Nine Mile HED Battery Building 800 - - -
Nine Mile Powerhouse Crane Rehab 850 - - -
Nine Mile Powerhouse Roof Replacement - 997 - -
Nine Mile Unit 3 Mechanical Overhaul - - - 4,600
Nine Mile Units 3 & 4 Control Upgrade - - - 4,700
Noxon Rapids Generator Step-Up Bank C Replacement - - - 1,507
Noxon Rapids Spillgate Refurbishment 750 3,300 1,532 -
Post Street Substation Crane Rehab - 500 - -
Regulating Hydro 2,512 1,883 1,800 1,270
Upper Falls Trash Rake Replacement - 1,501 - -
Performance & Capacity
Energy Imbalance Market 140$ -$ -$ -$
Energy Market Modernization & Operational Efficiency 592 498 500 249
Generation Plant Annunciation Systems - 150 147 -
Customer Service Quality and Reliability
Automation Replacement -$ 795$ 465$ 200$
Total Planned Generation Capital Projects 52,726$ 37,763$ 22,282$ 55,484$
Generation Capital Projects (System) In $(000's)
Exhibit No. 13
Case Nos. AVU-E-23-01 AVU-G-23-01
T. Benjamin, Avista
Schedule 1, Page 4 of 5
Investment Driver
Business Case Name 20221 2023 2024 20252
Customer Service Quality and Reliability
Customer Experience Platform Program 4,464$ 5,000$ 5,225$ -$
Customer Facing Technology Program 2,024 4,450 4,500 1,850
Customer Transactional Systems 1,999 4,435 3,550 1,575
Total Planned Customer at the Center Capital Projects 8,487$ 13,885$ 13,275$ 3,425$
$ 259,241 $ 450,629 $ 367,048 $ 281,237
18,570 18,714 40,755 34,606
Total Pro Forma Capital Additions (System)
Remaining Capital Additions Not Included In Case (Washington and
Oregon Specific, etc.)
Total Planned Capital Additions (System)$ 277,811 $ 469,343 $ 407,803 $ 315,843
(1) Includes system pro forma capital additions for the period of July 01, 2022 though December 31, 2022.
(2) Includes system pro forma capital additions for the period of January 01, 2025 though August 31, 2025.
Customer at the Center Capital Projects (System) In $(000's)
Exhibit No. 13
Case Nos. AVU-E-23-01 AVU-G-23-01
T. Benjamin, Avista
Schedule 1, Page 5 of 5