All Programs > Grid Reliability & Expansion Planning (Core Services Overview)
Grid Reliability & Expansion Planning (Core Services Overview)

Grid Reliability & Expansion Planning (Core Services Overview) Projects

Biennial Transmission Expansion Plan

ColumbiaGrid’s planning and expansion agreement calls for preparation of a biennial transmission plan based on the principle of single-utility planning.
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Joint Requested Service Coordination

The Transmission Planning staff provides support for the OASIS program in developing and implementing common queueing on the ColumbiaGrid OASIS for requests made for transmission and interconnection service.
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Northwest Area Coordinator (WECC basecase submittals)

ColumbiaGrid serves as the Northwest Area Coordinator. Sub Area Coordinators submit data to ColumbiaGrid. ColumbiaGrid then prepares the Northwest powerflow model to be included in WECC basecases.
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Regional Planning Coordination

ColumbiaGrid participates in several formal and informal activities to ensure coordination of its transmission planning efforts with entities and groups both inside and outside of its planning footprint.
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Projects Area Map

Area map of all on-going and future projects within the ColumbiaGrid System
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Attachment K


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Wind Integration Study Team

Joint Group with NTTG to facilitate the integration of Renewable Generation into the northwest transmission grid.
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Order 1000 Regional

FERC Order 1000
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Order 1000 Inter-regional


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ColumbiaGrid Economic Planning Studies


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Order 1000

FERC Order 1000 Regional and Inter-regional information
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Critical Infrastructure Protection (CIP-014 Standard) - 3rd Party Review

Critical Infrastructure Protection (CIP-014 Standard) - 3rd Party Review
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Transient Stability Studies


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NERC MOD 33 Model validation

NERC MOD 33 (Power Flow and Dynamics) Model validation Study Team Overview
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Quincy Area Study Team

Quincy Area Study Team
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Order 1000 Activities Archive

Order 1000 Activities Archive
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Node-Breaker Model Testing


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