WestConnect Joint Sub-Regional Planning Group Meeting August 18, 2016

CCPG Primary Transmission Participants

CCPG 2016 Calendar CCPG meetings are a forum for transmission planning and are open to all interested stakeholders February 11 – CCPG Study Plan Meeting May 5 – CCPG Meeting August 18 – Joint CCPG/SWAT/SSPG Meetings December 8 – CCPG Meeting CCPG meetings are held at the TSGT Office in Westminster All notices/materials are posted on the WestConnect website: WestConnect Transmission Planning – CCPG West Connect Calendar 3

Updated: 05/3/2016

Subcommittee Studies (Geographic Areas) 2016 CCPG Activities Work Groups NERC TPL Studies (1-10 Year) Planning Study Long Range (10 Year) Planning Study Conceptual (>10 year) Planning Voltage Coordination Subcommittee Studies (Geographic Areas) DEEP, Foothills, NECO, SLV, WY/SD CUS Task Forces TOT 3, Base Case Data Submitter WestConnect, MWTG NERC TPL Compliance Study Help Comply with NERC TPL-001, 2, 3, 4 Requirements Steady State, Transient and Voltage Performance Near-Term (5 year) & Far-Term (10 year) Windows Long Range Planning Group (10 Year) Facilitate Coordinated 10 Year Transmission Plan Consider SB100 & CPUC 3627 Requirements Support WestConnect 10-Year Plan Conceptual Planning (> 10 Year) Consider/Study Potential Future Scenarios Develop Conceptual Transmission Plans beyond 10 Years Consider Stakeholder Input and 3627 Requirements Voltage Coordination Prepare Guidelines for System Modeling Subcommittees Analyze Specific Regions within CCPG Footprint Foothills (Annual ops assessments/various local joint project studies) DEEP (Focus on Douglas, Elbert, El Paso, Pueblo Counties) South Dakota/Wyoming Common Use System (5 & 10 Year Reliability Study) Western Slope (Coordinated assessment of western CO transmission needs) Project Task Forces Short-term Issues, Projects, Studies Tot 7 Expansion, ONFLS, etc. Liaisons Provide Information on Other Areas of Interest: FERC, WECC, PUC, GEO, etc.

CO Rule 3627 Regulatory Activity Biennial Filing Requirement: 10-Year CO Statewide Transmission Plan & 20-Year Scenarios Black Hills, Tri-State, Public Service CCPG is the Forum 10-Year – Long Range Planning Group 20-Year – Conceptual Work Group Stakeholder Outreach Open Meetings WestConnect, CCPG, FERC 890, 3627, etc. Stakeholder Comment Form http://regplanning.westconnect.com/ccpg.htm

Colorado Rule 3627 – Ten Year Transmission Plan See Metro Map 11 36 27 1 16 33 39 26 21 20 29 33 4 37 7 32 19 38 5 33 31 35 Calhan Sub (Tri-State) 33 Falcon Sub (Tri-State) 28 Nyberg (BHCE) 22 Arequa Gulch Sub (BHC) 25 3 18 6 8 24 23 17 13 West Station Sub (BHC) Reader Sub (BHC) 33 2 10 Pueblo Reservoir (BHC) 9 Greenhorn Sub Site (BHC) Pueblo Sub (BHC) 30 17 41 12 40 Rattlesnake Butte Sub Site (BHC) 34 Calumet Sub Site (PSCo/Tri-State) 14 15 Iron Horse Sub (Tri- State) *All projects are subject to change and routes have yet to be determined.

Colorado Rule 3627 – Ten Year Transmission Plan See Metro Map 11 36 27 1 16 33 39 26 21 20 29 33 4 37 7 32 19 38 5 33 31 35 Calhan Sub (Tri-State) 33 Falcon Sub (Tri-State) 28 Nyberg (BHCE) 22 Arequa Gulch Sub (BHC) 25 3 18 6 8 24 23 17 13 West Station Sub (BHC) Reader Sub (BHC) 33 2 10 Pueblo Reservoir (BHC) 9 Greenhorn Sub Site (BHC) Pueblo Sub (BHC) 30 17 41 12 40 Rattlesnake Butte Sub Site (BHC) 34 Calumet Sub Site (PSCo/Tri-State) 14 15 Iron Horse Sub (Tri- State) *All projects are subject to change and routes have yet to be determined.

Contacts Susan Lovejoy – Chair Colorado Springs Utilities slovejoy@csu.org (719) 668-8384 Jeremy Brownrigg – Vice Chair Platte River Power Authority brownriggj@prpa.org (970) 266-7979 10 10