Study Team: System Assessment
System Assessment Overview
Each year ColumbiaGrid, in coordination with Planning Parties, prepares a System Assessment Report.
Documents
07/14/2020 2020 System Assessment Report (v: 2020 System Assessment Report)
...0 System Assessment Report.pdf download>
06/11/2021 2020 DRAFT System Assessment Report (v: 2020 DRAFT System Assessment Report)
risk of use agreement required >>
05/15/2020 2020 System Assessment Contingency Results (v: 1)
04/09/2021 Final 2026 Heavy Winter & Heavy Summer Planning Cases 4-9-20 (v: 1)
04/01/2022 22LSP_2020SA_Transient Stability (v: 1)
03/20/2020 2020 System Assessment Final Cases with Contingencies 3-20-20 (v: 1)
01/10/2021 ColumbiaGrid 2020 System Assessment Study Plan (v: 1)
...ssessment Study Plan_Final.pdf download>
10/09/2021 2019 System Assessment (v: 2019 System Assessment)
2019 System Assessment1.pdf download>
08/30/2019 2019 DRAFT ColumbiaGrid System Assessment (v: 2019 DRAFT ColumbiaGrid System Assessment)
risk of use agreement required >>
07/03/2022 2019 System Assessment Contingency Results (v: 1)
05/21/2019 25HS_25HW Extra Cases - Contingencies/No RAS (v: 1)
05/09/2021 2019 System Assessment Cases - Contingencies/No RAS (v: 1)
04/30/2019 2019 System Assessment FINAL STUDY PLAN (v: 2019 System Assessment FINAL STUDY PLAN)
...ssessment FINAL STUDY PLAN.pdf download>
01/11/2021 2017 System Assessment Study Plan (v: 1)
...stem Assessment Study Plan.pdf download>
12/19/2018 2019_SystemAssessment_DraftCases_12-19-18 (v: 1)
11/06/2021 2019_SystemAssessment_InitialCases_11-6-18 (v: 1)
09/19/2018 2018 System Assessment Report (v: 2018 System Assessment Report )
...8 System Assessment Report.pdf download>
08/22/2018 2018 System Assessment Contingency Results (v: 1)
05/14/2018 2018_System_Assessment_Cases_With_Contingencies_5-11-18_File A (v: 1)
05/14/2018 2018_System_Assessment_Cases_With_Contingencies_5-11-18_FileB (v: 1)
04/27/2018 2018 System Assessment Final Study Plan (v: 2018 System Assessment Final Study Plan)
...ssessment Final Study Plan.pdf download>
01/11/2021 2018 System Assessment Draft Study Plan (v: 2018 SA Draft Study Plan)
2018 SA Draft Study Plan.pdf download>
10/18/2017 Attachment C (v: 2017 System Assessment Attachment C)
10/03/2022 19LS Transient Stability System Assessment 2017 Case (v: 19LS Transient Stability System Assessment 2017 Case)
08/03/2022 Final 2017 System Assessment Report (v: Final 2017 System Assessment Report)
2017 SA Report_Final1.pdf download>
06/13/2017 2017_SystemAssessment_ContingencyResults_6-13-17 (v: 1)
05/23/2017 2yrSystemAssessmentCases_WithContingencies_5-16-17 (v: 1)
05/23/2017 5yrSystemAssessmentCases_WithContingencies_5-16-17 (v: 1)
05/23/2017 10yrSystemAssessmentCases_WithContingencies_5-16-17 (v: 1)
04/01/2022 2023 System Assessment Case Build from 2022 Cases (v: 1)
04/01/2022 SystemAssessment_ContingencyPosting_4-1-17 (v: 1)
03/30/2017 Additional Case Updates 3-30-17 (v: 1)
03/21/2017 Power Flow Updates (03.20.17) (v: Power Flow Updates (03.20.17))
03/21/2017 27HW Transient Stability System Assessment 2017 Case (v: 27HW Transient Stability System Assessment 2017 Case)
03/21/2017 27HS Transient Stability System Assessment 2017 Case (v: 27HS Transient Stability System Assessment 2017 Case)
03/21/2017 22HW Transient Stability System Assessment 2017 Case (v: 22HS Transient Stability System Assessment 2017 Case)
03/21/2017 22HS Transient Stability System Assessment 2017 Case (v: 22HS Transient Stability System Assessment 2017 Case)
03/21/2017 19HW Transient Stability System Assessment 2017 Case (v: 19HW Transient Stability System Assessment 2017 Case)
03/21/2017 19HS Transient Stability System Assessment 2017 Case (v: 19HS Transient Stability System Assessment 2017 Case)
03/14/2017 2017 System Assessment HW Cases_3-14-17 (v: 1)
03/14/2017 2017 System Assessment HS-LS Cases_3-14-17 (v: 1)
03/14/2017 System Assessment Case Update Files_3-14-17 (v: 1)
02/07/2021 19HS_2017SystemAssessmentCase_TS (v: 1)
02/07/2021 19HW_2017SystemAssessmentCase_TS (v: 1)
02/07/2021 19LS_2017SystemAssessmentCase_TS (v: 1)
02/07/2021 22HS_2017SystemAssessmentCase_TS (v: 1)
02/07/2021 22HW_2017SystemAssessmentCase_TS (v: 1)
02/07/2021 27HS_2017SystemAssessmentCase_TS (v: 1)
02/07/2021 27HW_2017SystemAssessmentCase_TS (v: 1)
02/07/2021 TS_Powerflow_updates (v: 1)
11/07/2021 2017 System Assessment Initial Bases Cases & Dynamics Files 11-7-16_File1 (v: 1)
11/07/2021 2017 System Assessment Initial Bases Cases & Dynamics Files 11-7-16_File2 (v: 1)
11/07/2021 2016 System Assessment Case Change Files_11-7-16 (v: 1)
09/13/2016 2016 System Assessment (v: 2016 System Assessment)
2016SAFinal2.pdf download>
08/16/2016 2016 System Assessment (v: 2)
2016SA-DRAFTv6small.pdf download>
07/22/2016 2016 Draft System Assessment (v: 1)
SA2016Text_v3.docx download>
06/09/2021 Contingency Results_2016 System Assessment_5-31-16 (v: 1)
05/10/2021 2016 System Assessment Base Cases W/Contingencies (Large file 26MB) (v: 3)
12/14/2015 Draft 2016 System Assessment Study Plan (zip file) (v: 1)
...stem Assessment Study Plan.zip download>
08/04/2021 Final 2015 System Assessment (v: 3)
2015SAfinal2.pdf download>
06/05/2021 System Assessment Results_6-5-15 (v: 1)
06/05/2021 System Assessment Case Changes_5-21-15 (v: 1)
05/28/2014 2014 System Assessment (v: 5_28)
...CompleteText_Final May 27.docx download>
04/18/2014 Reduced Conservation Sensitivity Report (v: 2)
confidentiality agreement required >
04/15/2014 2014 SA Contingency Results (v: 4_15)
04/15/2014 System Assessment Base Cases PWB format (v: 4_15)
04/15/2014 2014 SA Contingency Files (v: 4_15)
01/23/2014 2014 System Assessment Base Cases EPC format (v: 1_23_2014)
05/02/2022 2013 System Assessment Joint Issues Table (v: 5_2_2013)
05/02/2022 2013 System Assessment Contingency Results (v: 4_23_2013)
02/19/2013 ColumbiaGrid Contingency Naming Convention (v: 2_19_13)
...tingency Naming Convention.doc download>
10/09/2021 Sensitivity Study-Status Report of Transient Stability Studies (v: 09Oct12)
...tyStudyStatusReport05Oct12.doc download>
- Biennial Transmission Expansion Plan
- > System Assessment
- > System Assessment Sensitivities
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- > Puget Sound Area Study Team
- > Cross Cascades Study Team
- > Gas-Electric Interdependencies Study Team
- > Woodland Study Team
- > Northern Mid C Joint Operational Study Team
- > Northern Mid C Study Team
- > Othello Area Study Team
- > Mid-Columbia Reactive Power Study Team
- > Sensitivity Study for Long-term Alcoa Shutdown
- > Geomagnetic Disturbance (GMD) Study Team
- > (PRC-026) Relay Performance During Power Swing Study
