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Planning and Expansion
Mission and Vision
Variable Transfer Limits
Other Services
All Programs
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Planning and Expansion
> Order 1000 Regional
Project: Order 1000 Regional
Overview
Details
Staff
Calendar
Documents
Study Teams
Order 1000 Regional Calendar
In this Program
Attachment K
Biennial Transmission Expansion Plan
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System Assessment
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System Assessment Sensitivities
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Centralia Closure Study Team
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Puget Sound Area Study Team
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Cross Cascades Study Team
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Gas-Electric Interdependencies Study Team
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Woodland Study Team
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Northern Mid C Joint Operational Study Team
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Northern Mid C Study Team
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Othello Area Study Team
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Mid-Columbia Reactive Power Study Team
ColumbiaGrid Economic Planning Studies
Critical Infrastructure Protection (CIP-014 Standard) - 3rd Party Review
Order 1000 Regional
Order 1000 Inter-regional
Northwest Area Coordinator (WECC basecase submittals)
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2025 Heavy Winter - 25HW1
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2025 Heavy Summer - 25HS1
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Miscellaneous
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2016 Heavy Winter - 16HW3-OP
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2016 Light Winter - 16LW1-OP
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2016 Heavy Spring - 16HSP1-OP
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2021 Heavy Summer - 21HS2
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2018 Heavy Summer - 18HS1-S
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2026 Light Spring
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2016 Heavy Summer - 16HS3-OP
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2016 Light Summer - 16LS1-OP
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2026 Heavy Winter - 26HW1
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2026 Heavy Summer - 26HS1
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2021 Heavy Winter - 21HW1
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2017 Heavy Winter - 17HW3-OP
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2017 Light Winter - 17LW2-OP
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2017 Heavy Spring - 17HSP1-OP
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2022 Heavy Winter - 22HW2
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2022 Heavy Summer - 22HS1
Projects Area Map
Regional Planning Coordination
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West of McNary Reinforcement (WOMR)
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1-5 Corridor Regional Planning Study Team
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PDCI Project Coordination Group
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Central Ferry - LoMo Project Coordination Group
Wind Integration Study Team
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Dynamic Transfer Capability Task Force