This is technical and process information from 2019 through the publication of the 2021 Power Plan in March 2022.
Also see the Supporting Materials pages for the most current and navigable data.
Resource Strategy
- Updates to RPM Methodologies (2020)
- Analyze Resource Strategies Process Primer (2019)
Scenario and System Analysis
- See System Analysis Advisory Committee
- Robustness of EE Scenario Full Council Summary (2021)
- Robustness of EE Scenario Findings – Power Committee (2021)
- Relative costs of resources and update on Robustness of EE scenario approach (2021)
- Summary of Baseline Condition Modeling Results for Power Plan – Full Council (2021)
- Review of Baseline Conditions Modeling Results (2021)
Older:
- Review of Plan Scenarios – Part 1 and Part 2 (2020)
- Presentation related to scenarios given at Power Committee in 2019
- Scenarios proposed for inclusion
- Scen arios NOT recommended for inclusion – these were considered by staff, but ultimately not recommended
Conservation and Energy Efficiency
- See Conservation Resources Advisory Committee
- Summary Measure File with Cost Effectiveness Information (2021)
- Final Conservation Supply Curve Workbooks with Cost-Effectiveness Information (2022)
- Conservation Supply Curves for development of the 2021 Power Plan (2021)
- Update on planning parameters for EE supply curves (2019)
- Develop Model Conservation Standards and Surcharge Methodology process primer (2019)
- Develop energy efficiency supply curves process primer (2019)
Demand Response
- See Demand Response Advisory Committee
- Final DR Supply Curves for development of the draft 2021 Power Plan (2020)
- DRAFT DR product Assumptions
- Price-Based Product Assumptions (2020)
- Non-Residential DR product Assumptions (xlsx) (2019)
- Residential DR Product Assumptions (xlsx) (2019)
- Demand Response Supply Curve Development process primer (2019)
Generation Resources
See Generating Resources Advisory Committee
Draft Generation Resource Reference Plants
- Draft natural gas reference plants (2020)
- Draft conventional geothermal reference plant (2020)
- Draft Pumped storage reference plant (2019)
- Onshore Wind Generation Reference Plant (2019)
- Solar, Battery Storage, and Solar + Battery Storage Reference Plants (2019)
Reference plant resource cost development (overnight capital, FOM, VOM): Technical support workbooks
Existing System Generating Resources: Technical support workbook (2020)
Updated WECC Wide Regional, State and Municipality Clean Energy Policies (2020)
- Regional Aggregation presentation
- State Aggregation presentation
- Technical Support Workbook
Environmental Methodology
- Briefing on methodology for quantifying the environmental costs and benefits of new resources (02019)
Development of Generating Resources Reference Plants process primer (2019)
Load and Price Forecasts
See Demand Forecast Advisory Committee and Natural Gas Advisory Committee
Wholesale Electricity Price Forecast:
Wholesale Electricity Prices - Final (2021):
- Monthy Prices (csv, developed via AURORA model)
- Hourly Prices (csv, developed via AURORA model)
- Update on Wholesale Electricity Price Forecast and Avoided Emissions Rate (2019)
Natural Gas:
- Natural Gas and Other Fuels Workbooks and Data (2021)
- Natural Gas Price Forecast for 2021 Power Plan (2019) and presentation to Council (2019)
Transportation & Behind-the-Meter Solar Forecast (2021)
Load Forecast:
Recent Scenario findings (2021):
- Discussion of Transportation Forecast and Hydrogen, S Simmons
- 2021 Plan Pathways to Decarbonization Findings, M Jourabchi
- Emissions/Peak Loads/Average Loads for each strategy - background material - contact Massoud Jourabchi with questions
Older (2020):
- Load Forecast Updates
- BPA Load forecast
- Indirect Impacts of Climate Change on Load Forecast
Process primers (2019):
- End Use Gas Load Forecast process primer
- Forecast load with price effects and forecast load with frozen efficiency process primer
- Forecast outside the Northwest process primer
- Forecast electricity prices process primer
- Natural Gas Price Forecast and other fuel prices process primer
- Transportation Forecast process primer
- Economic drivers for the plan primer
Resource Adequacy
- See Resource Adequacy Advisory Committee
- Updated Resource Adequacy Assessment Information (2021)
- On August 4 - 6 the RAAC and SAAC held a 3 day technical conference on the newly remodeled GENESYS and Adequacy:
- Finding recordings of each day and all materials here (presentations, project feedback, etc.)
- Update on Power Plan Needs Assessment (ASCC) (2021)
- Update on Power Plan Needs Assessment (Adequacy Reserve Margin) (2021)
- Estimate System Adequacy Requirements Process Primer (2019)
Climate Change
- General Circulation Model Scenario Selection (2019)
- Indirect Impacts of Climate Change on Load Forecast (2019)
- Overview of climate change and earth system models and representative concentration paths, Dr. David Rupp, Oregon State University (2019)
Other Material
- Consistent treatment of quantifiable resource costs – Framework and background presentation (2019)
- Flow chart of the power plan development process