1. WECC Scenario Task Force (WSTF)
Weekly Webinar
May 31, 2019
WECC 2019 Scenario Assessments
(Data Collection and Metrics)

2. 2019 Scenario Studies Timeline
Form Teams
2/1/ /1/2019
Scope Studies
3/4/ /31/2019
Collect Data
4/15/ /5/2019
Create Cases
6/3/ /26/2019
Perform Analysis
7/1/ /20/2019
Review Results
8/12/ /1/2019
9/30/ /20/2019
Produce Reports
Results Reviewed
Data Collected
11/1/2019
7/5/2019
Reports Produced
Teams Formed
Studies Scoped
Cases Created
Analysis Completed
3/1/2019
5/31/2019
7/26/2019
9/20/2019
12/20/2019
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
2019
Today

3. Modeling Tasks Identify & Adjust Scenario Parameter Metrics
Geospatial Analysis
Network Reduction
Load Forecasts
Gen CapEx Updates
Tran CapEx Updates
Reduced Network PCM
Renewable Potentials
Water Constraints
CO2 Constraints
Policy Goals
Reliability Constraints
Extend PCM to 2038

4. Context Anchor Data Set Study Scopes
Focus on Reliability Risk Assessment
Uncertainty & Plausibility
Drill-down Process
Key Questions
Study Horizons
Reporting Metrics
Tools
Methodology

5. Model Adjustment Categories
Load
Transmission
Goals
Geospatial
Generation
Economics
Constraints
Horizon

6. Load Energy Demand Profiles Seasonal Variations
Conforming / Non-conforming
Distribution / Transmission
Demand Response

7. Generation Technology Type Price Signals Proxies Candidate
Operational Characteristics
Qualifying Roles

8. Transmission
Interface Paths
Transfer Capabilities
Expansion Options

9. Economics Generation Capital Expansion Economics
Transmission Capital Expansion Economics
Levelized Cost of Energy (LCOE)
Locational Marginal Price (LMP)
Emission Costs
Credits
Fuel Costs
Locational
Water

10. Goals
Policy
Reliability
Flexibility
Reserve

11. Constraints
Fuel
Water
Emissions

12. Geospatial
Environmental
Land Cover
Terrain Difficulty
Right of Way

13. Horizon
Near-term (5 Year)
Planned (5-10 Year)
Long-term (10-20 Year)

14. Michael Bailey, P.E.
WECC Senior Staff Engineer