1. Local Transmission Planning Process: Local Transmission Plan Update Meeting
December 15, 2016

2. Single System Projects
Agenda
Planning Cycle
Website
Single System Projects
Next Steps

3. Planning Cycle Study Development Meeting
Planning assumptions, data gathering
Customer input
July 14, 2015
Review of Study Results/Draft Transmission Plans Meeting
Review results of the study process
Draft Local Planning Report
December 15, 2015
Local Transmission Plan Update Meeting
Provide an update to the Local Planning Report
Q3 Q4, 2016

4. Attachment K Website…

5. Avista Areas

6. Single System Projects and Corrective Action Plans
Any project Avista wants to construct
Needed for load growth, asset management, reliability
Corrective Action Plans
Subset of Single System Projects
Required to meet reliability performance criteria
Developed to comply with NERC Standards
“Applicable Facility Ratings shall not be exceeded”
Project List
Only Corrective Action Plans presented
Refer to complete list in the 2016 Local Planning Report Update

7. 2016 Projects Completed Corrective Action Plans Single System Projects
None
Single System Projects
Clearwater Station Upgrade
Harrington Station Rebuild
Pine Creek Transformer Replacement

8. General System Diagnosis
Single points of failure cause issues
Tie breakers and double circuits
230/115 kV transformation capacity
Spokane area is deficient
Lack solid spare procedure
Long, small conductor transmission lines
Small thermal capacity and high resistance
Infrastructure is aging

9. Big Bend Area Year Problem Starts Construction Start Construction End
Priority
Cost Estimate
1-Completed
Stratford 115 kV Station Rebuild
0.0100
2-Committed
Benton - Othello SS 115 kV Transmission Line Rebuild
Present
2015
2017
$7,100,000
Saddle Mountain Integration
2019
$16,000,000
Addy - Devils Gap 115 kV Transmission Line Reconductor at Ford Station
2018
$2,025,000
3-Planned
Addy - Kettle Falls Protection Scheme
$1,000,000
Chelan - Stratford 115 kV Transmission Line Rebuild
$13,000,000
Saddle Mountain Integration Phase 2
$10,500,000

10. Coeur d’Alene Area Year Problem Starts Construction Start
Construction End
Priority
Cost Estimate
1-Completed
Lancaster Interconnection
0.0100
Pine Creek Transformer Replacement
2-Committed
Cabinet – Bronx – Sand Creek 115 kV Transmission Line Rebuild
Present
2015
2017
$7,000,000
Coeur d’Alene – Pine Creek 115 kV Transmission Line Rebuild
2019
$15,025,000
3-Planned
St. Maries Cap Bank
5.3125
$500,000
4-Conceptual
Sandpoint Reinforcement
$20,000,000

11. Lewiston/Clarkston Area
Year Problem Starts
Construction Start
Construction End
Priority
Cost Estimate
2-Committed
North Lewiston Reactors
Present
2015
2016
$5,000,000
South Lewiston Station Rebuild
2030
2017
2019
0.4464
$1,400,000
3-Planned
Lolo Transformer Replacement
0.8750
$4,000,000
4-Conceptual
Hatwai - Lolo #2 230 KV Transmission Line
$8,025,000

12. Palouse Area Year Problem Starts Construction Start Construction End
Priority
Cost Estimate
1-Completed
Moscow 230 Station Rebuild
0.0100
4-Conceptual
Palouse Area Transformation Outage Project
Present
$2,500,000

13. Spokane Area Year Problem Starts Construction Start Construction End
Priority
Cost Estimate
2-Committed
Spokane Valley Transmission Reinforcement
Present
2015
2018
$8,500,000
Westside Transformer Replacement
2017
$4,500,000
Garden Springs 230 kV Station Integration Phase 1
2020
$10,025,000
Ninth & Central - Sunset 115 kV T-Line Copper Replacement
$3,500,000
3-Planned
Nine Mile - Westside Protection Upgrade
$200,000
Ninth & Central 230 kV Integration
$15,000,000
Garden Springs 230 kV Station Integration Phase 2
Westside Transformer Replacement Phase 2
5-New Proposal
Indian Trail - Waikiki 115 kV Transmission Line
2026
0.2750
$12,000,000

14. Finalize 2016 Local Planning Report
Next Steps
Finalize 2016 Local Planning Report
Incorporate comments
Minor editing
Refine
Conduct new studies in 2017
Improve project documentation
Collaborate with internal/external stakeholders