generation · Other

Tri-State Generation & Transmission (CO PUC Docket 22A-0085E)

Capacity

Not disclosed

Waiting

4.6 yrs

Stage

Local/state review

Verification

Verified (primary source)

Estimated investment waiting

Not estimated: Investment-waiting is only estimated for projects with capacity measured in MW (generation/storage). This project's capacity is measured differently (e.g. MTPA, or pipeline length/diameter).

Timeline

Feb 18, 2022
Notice of Application Filed — Filing
Feb 18, 2022
Attachment CEP-2 to Direct Testimony of Christopher E. Pink (map of proposed projects) — Filing
Feb 18, 2022
Direct Testimony and Attachments of Tri-State Generation and Transmission Association, Inc. Witness Ryan J. Hubbard — Filing
Feb 18, 2022
Direct Testimony and Attachments of Tri-State Generation and Transmission Association, Inc. Witness Christopher E. Pink — Filing
Feb 18, 2022
Direct Testimony and Attachments of Tri-State Generation and Transmission Association, Inc. Witness Robert E. Schaerer — Filing
Feb 18, 2022
Direct Testimony and Attachments of Tri-State Generation and Transmission Association, Inc. Witness H. Steven Gray — Filing
Feb 18, 2022
Attachment RJH-4 to Direct Testimony of Ryan J. Hubbard (Tri-State System Diagram) — Filing
Feb 18, 2022
Attachment RJH-5 to Direct Testimony of Ryan J. Hubbard (Responsible Energy Plan Task Force, Study Scope, June 2021) — Filing
Feb 18, 2022
Attachment RJH-6 to Direct Testimony of Ryan J. Hubbard (Responsible Energy Plan Task Force Study Report) — Filing
Feb 18, 2022
Attachment CEP-1 to Direct Testimony of Christopher E. Pink (CV) — Filing
Feb 18, 2022
Attachment RJH-3 to Direct Testimony of Ryan J. Hubbard (Interconnected System Map) — Filing
Feb 18, 2022
Attachment RJH-2 to Direct Testimony of Ryan J. Hubbard (Decision C15-0320, Granting CPCN for the Burlington-Lamar Transmission Project) — Filing
Feb 18, 2022
Attachment RJH-1 to Direct Testimony of Ryan J. Hubbard (Statement of Qualifications) — Filing
Feb 18, 2022
Attachment H to Application (Switching One Line Diagrams) — Filing
Feb 18, 2022
Attachment G to Application (Map of Boone-Huckleberry Project) — Filing
Feb 18, 2022
Attachment F to Application (Tri-State Generation and Transmission Member Boundaries) — Filing
Feb 18, 2022
Attachment E to Application (Tri-State Generation and Transmission Association, Inc.'s Members) — Filing
Feb 18, 2022
Attachment D to Application (Tri-State Generation and Transmission Association, Inc.'s Officers, Directors, and Agent for Service of Process) — Filing
Feb 18, 2022
Attachment C to Application (Amended and Restated Articles of Incorporation of Tri-State Generation and Transmission Association, Inc.) — Filing
Feb 18, 2022
Attachment B to Application (Attestation) — Filing
Feb 18, 2022
Attachment A to Application (2020 Tri-State Annual Report) — Filing
Feb 18, 2022
Attachment CEP-3 to Direct Testimony of Christopher E. Pink (Eastern Colorado Projects) — Filing
Feb 18, 2022
Attachment CEP-4 to Direct Testimony of Christopher E. Pink (Map of Big Sandy - Badger Creek Project) — Filing
Feb 18, 2022
Attachment CEP-5 to Direct Testimony of Christopher E. Pink (One-line diagram depicting the Big Sandy - Badger Creek transmission line) — Filing
Feb 18, 2022
Attachment CEP-6 to Direct Testimony of Christopher E. Pink (Big Sandy - Badger Creek 230kV Typical Deadend Structure) — Filing
Feb 18, 2022
Attachment CEP-7 to Direct Testimony of Christopher E. Pink (Badger Creek Switching Station - Switching one line diagram) — Filing
Feb 18, 2022
Attachment CEP-8 to Direct Testimony of Christopher E. Pink (Badger Creek Substation General Arrangement) — Filing
Feb 18, 2022
Attachment CEP-9 to Direct Testimony of Christopher E. Pink (Representative Structures) — Filing
Feb 18, 2022
Attachment CEP-10 to Direct Testimony of Christopher E. Pink (Big Sandy - Badger Creek Cost Summary) — Filing
Feb 18, 2022
Attachment CEP-11 to Direct Testimony of Christopher E. Pink (Map of Project Area) — Filing
Feb 18, 2022
Attachment CEP-12 to Direct Testimony of Christopher E. Pink (one-line diagram depicting the Boone-Huckleberry transmission line and the associated substations) — Filing
Feb 18, 2022
Attachment CEP-13 to Direct Testimony of Christopher E. Pink (Huckleberry Switching Station - Switching One Line Diagram) — Filing
Feb 18, 2022
Attachment CEP-14 to Direct Testimony of Christopher E. Pink (Huckleberry Substation - General Arrangement) — Filing
Feb 18, 2022
Attachment CEP-15 to Direct Testimony of Christopher E. Pink (Boone - Huckleberry Cost Summary) — Filing
Feb 18, 2022
Attachment CEP-16 to Direct Testimony of Christopher E. Pink (Direct Testimony and Exhibits of Grant D. Lehman) — Filing
Feb 18, 2022
Attachment HSG-1 to Direct Testimony of H. Steven Gray (Statement of Experience and Qualifications) — Filing
Feb 18, 2022
Attachment HSG-2 to Direct Testimony of H. Steven Gray (Map of General Location of all coordinated transmission system improvements) — Filing
Feb 18, 2022
Attachment HSG-3 to Direct Testimony of H. Steven Gray (Map of General Location of Big Sandy - Badger Creek transmission line) — Filing
Feb 18, 2022
Attachment HSG-4 to Direct Testimony of H. Steven Gray (Map of overview of the Big Sandy Substation and the adjacent area) — Filing
Feb 18, 2022
Attachment HSG-5 to Direct Testimony of H. Steven Gray (Map of the general location of the Boone-Huckleberry transmission line) — Filing
Feb 18, 2022
Attachment HSG-6 to Direct Testimony of H. Steven Gray (Map of overview of the Boone Substation and adjacent area) — Filing
Feb 18, 2022
Attachment HSG-7 to Direct Testimony of H. Steven Gray (Map of general location of Burlington-Lamar transmission line and associated substations) — Filing
Feb 18, 2022
Attachment HSG-8 to Direct Testimony of H. Steven Gray (Map of general location of Burlington-Big Sandy transmission line and associated substations) — Filing
Feb 18, 2022
Attachment RES-1 to Direct Testimony of Robert E. Schaerer (Statement of Experience and Qualifications) — Filing
Feb 18, 2022
Attachment RES-2 to Direct Testimony of Robert E. Schaerer (Reports: Eastern Colorado Transmission, Boone-Huckleberry, Big Sandy - Badger Creek, and Burlington - Big Sandy) — Filing
Feb 18, 2022
Attachment RES-3 to Direct Testimony of Robert E. Schaerer (Reports: Eastern Colorado Projects, Substation Magnetic Field and Audible Noise Study) — Filing
Feb 18, 2022
Attachment RES-4 to Direct Testimony of Robert E. Schaerer (Report: Magnetic Fields and Audible Noise) — Filing
Feb 18, 2022
Tri-State Generation & Tramsmission - CPCN Big Sandy/Badger — Filing
Mar 14, 2022
Notice of Intervention of Right, Request for Hearing, and Entry of Appearance for the Office of the Utility Consumer Advocate — Filing
Mar 16, 2022
Interwest Energy Alliance's Statement on Conferral Re: Petition for Permissive Intervention — Filing
Mar 16, 2022
Interwest Energy Alliance's Petition for Permissive Intervention — Filing
Mar 18, 2022
Motion to Intervene and Entry of Appearance of the Colorado Independent Energy Association — Filing
Mar 21, 2022
Motion for Permissive Intervention of Western Resource Advocates — Filing
Mar 21, 2022
Certificate of Service — Filing
Mar 28, 2022
Notice of Intervention as of Right by Staff, Entry of Appearance, Notice Pursuant to Rule 1007(a) and Rule 1401, and Request for Hearing — Filing
Apr 6, 2022
The Commission referred the proceeding to an Administrative Law Judge by minute entry. — Filing
Apr 14, 2022
Trial Staff's First Amended Notice Pursuant to Rule 1007(a) — Filing
May 2, 2022
Highly Confidential Non-Disclosure Agreement (Warren Wendling) on Behalf of Colorado Independent Energy Association — Filing
May 2, 2022
Non-Disclosure Agreement (Warren Wendling) on Behalf of Colorado Independent Energy Association — Filing
May 2, 2022
Highly Confidential Non-Disclosure Agreements on Behalf of the Colorado Independent Energy Association — Filing
May 2, 2022
Non-Disclosure Agreements on Behalf of the Colorado Independent Energy Association — Filing
May 3, 2022
UCA's Nondisclosure Agreements — Filing
May 5, 2022
Conferral Report re Procedural Schedule — Filing
May 25, 2022
Hearing Exhibit 500, Answer Testimony & Attachments of Warren L. Wendling on Behalf of the Colorado Independent Energy Association — Filing
May 25, 2022
Hearing Exhibit 500, Attachment WLW-1 — Filing
May 25, 2022
Hearing Exhibit 500, Attachment WLW-12 — Filing
May 25, 2022
Hearing Exhibit 500, Attachment WLW-11 — Filing
May 25, 2022
Hearing Exhibit 500, Attachment WLW-10 — Filing
May 25, 2022
Hearing Exhibit 500, Attachment WLW-9 — Filing
May 25, 2022
Hearing Exhibit 500, Attachment WLW-8 — Filing
May 25, 2022
Hearing Exhibit 500, Attachment WLW-7 — Filing
May 25, 2022
Hearing Exhibit 500, Attachment WLW-6 — Filing
May 25, 2022
Hearing Exhibit 500, Attachment WLW-13 — Filing
May 25, 2022
Hearing Exhibit 500, Attachment WLW-14 — Filing
May 25, 2022
Hearing Exhibit 500, Attachment WLW-2 — Filing
May 25, 2022
Hearing Exhibit 500, Attachment WLW-5 — Filing
May 25, 2022
Hearing Exhibit 500, Attachment WLW-4 — Filing
May 25, 2022
Hearing Exhibit 500, Attachment WLW-3 — Filing
May 25, 2022
Hearing Exhibit 300 Adam Gribb Answer Testimony Staff of the Colorado Public Utilities Commission — Filing
May 25, 2022
Hearing Exhibit 400 - Burgess Answer Testimony Interwest Energy Alliance — Filing
May 25, 2022
Interwest Energy Alliance Answer Testimony Certificate of Service — Filing
May 25, 2022
Hearing Exhibit 400 - Attachment EB-3 Burgess - WIEB-Western-Flexibility-Assessment-Final-Report — Filing
May 25, 2022
Hearing Exhibit 400 - Attachment EB-4 Burgess - Western- Wind-Phase-3-Report — Filing
May 25, 2022
Hearing Exhibit 400 - Attachment EB-5 Burgess - NZA-Princeton — Filing
May 25, 2022
Hearing Exhibit 400 - Attachment EB-6 Burgess - Value-Diversifying-Through-Transmission-BU — Filing
May 25, 2022
Hearing Exhibit 400 - Attachment EB-7 Burgess - Miller 2022-CREPC-WIRAB-Presentation — Filing
May 25, 2022
Hearing Exhibit 400 - Attachment EB-8 Burgess - GridLab-Committing-Climate-Action-Colorado — Filing
May 25, 2022
Hearing Exhibit 400 - Attachment EB-2 Burgess - CEO-Pollution-Reduction-Roadmap — Filing
May 25, 2022
Hearing Exhibit 400 - Attachment EB-1 Burgess - CV — Filing
May 25, 2022
Hearing Exhibit 600, Answer Testimony of Kenneth L. Wilson — Filing
May 25, 2022
Certificate of Service — Filing
May 25, 2022
Hearing Exhibit 600, Attachment KLW-1 — Filing
May 25, 2022
Hearing Exhibit 600, Attachment KLW-2 — Filing
Jun 13, 2022
22A-0085E Hearing Exhibit 300, Rev.1_Answer Testimony of Staff Witness Gribb — Filing
Jun 13, 2022
Staff's Notice of Filing Revised Answer Testimony — Filing
Jun 15, 2022
Hearing Exhibit 108, P. Schaerer Rebuttal Testimony — Filing
Jun 15, 2022
Hearing Exhibit 107, Zehr Rebuttal Testimony — Filing
Jun 15, 2022
Hearing Exhibit 106, Pink Rebuttal Testimony — Filing
Jun 15, 2022
Hearing Exhibit 105, Hubbard Rebuttal Testimony — Filing
Jun 15, 2022
Hearing Exhibit 106, CEP-20 Staff's Responses to Tri-State 1-13 — Filing
Jun 15, 2022
Hearing Exhibit 105, RJH-7 Transmission Cost Estimation Guide for MTEP — Filing
Jun 15, 2022
Hearing Exhibit 106, CEP-19 AACE International Cost Estimate Classification System 96R-18 — Filing
Jun 15, 2022
Hearing Exhibit 106, CEP-18 Staff's Responses to Tri-State 1-8 — Filing
Jun 15, 2022
Hearing Exhibit 106, CEP-17 Staff's Responses to Tri-State 2-1, 2-2 and 2-3 — Filing
Jun 29, 2022
Unopposed Motion for Extension of Settlement Deadline — Filing
Jul 1, 2022
Unopposed Joint Motion to Approve Comprehensive Settlement Agreement — Filing
Jul 1, 2022
Public Attachment 1 to Unopposed Comprehensive Settlement Agreement — Filing
Jul 1, 2022
Attachment A - Unopposed Comprehensive Settlement Agreement — Filing
Sep 12, 2022
Verified Petition for Declaratory Order Pursuant to Tri-State’s Settlement Commitment to Make a Filing Seeking a Determination That Certain Incremental Transmission Improvements are in the Ordinary Course of Business and Request to Reopen Proceeding — Filing
Sep 12, 2022
Attachment A to Verified Petition for Declaratory Order — Filing
Nov 1, 2022
TRI-STATE GENERATION AND TRANSMISSION ASSOCIATION, INC.'S FIRST NOTICE OF FILING OF THE BOONE - HUCKLEBERRY PROJECT SCHEDULE AND THE BIG SANDY - BADGER CREEK PROJECT SCHEDULE — Filing
Nov 1, 2022
Attachment B Big Sandy - Badger Creek Project Schedule (Public) — Filing
Nov 1, 2022
Attachment A Boone - Huckleberry Project Schedule (Public) — Filing
Dec 15, 2022
Notice of Withdrawal of Counsel for Western Resource Advocates — Filing
May 1, 2023
Tri-State Big Sandy CPCN - Notice of Filing Project Schedules 05.01.2023 — Filing
May 1, 2023
Exhibit B - Big Sandy-Badger Creek Project Schedule (Public) — Filing
May 1, 2023
Exhibit A - Boone-Huckleberry Project Schedule (Public) — Filing
May 1, 2023
Notice of Appearance — Filing
May 9, 2023
Notice of Withdrawal and Entry of Appearance on Behalf of the Colorado Independent Energy Association — Filing
Nov 1, 2023
2023.11.01 22A-0085E - Tri-State Big Sandy CPCN - Notice of Filing Project Schedules — Filing
Nov 1, 2023
2023.11.01 22A-0085E - Exhibit B - Big Sandy-Badger Creek Project Schedule (Public) — Filing
Nov 1, 2023
2023.11.01 22A-0085E - Exhibit A - Boone-Huckleberry Project Schedule (Public) — Filing
Nov 21, 2023
22A-0085E Notice of Withdrawal of Counsel - Nugent — Filing
Feb 20, 2024
Notice of Withdrawal of Staff Counsel — Filing
May 1, 2024
22A-0085E - Tri-State Notice of Filing Project Schedules - 05.01.2024 — Filing
May 1, 2024
22A-0085E - Exhibit B - Big Sandy-Badger Creek Project Schedule (Public) - 05.01.2024 — Filing
May 1, 2024
22A-0085E - Exhibit A - Boone-Huckleberry Project Schedule (Public) - 05.01.2024 — Filing
Nov 1, 2024
2024.11.01 22A-0085E - Tri-State Big Sandy CPCN - Notice of Filing Project Schedules — Filing
Nov 1, 2024
2024.11.01 22A-0085E - Exhibit A - Boone-Huckleberry Project Schedule (Public) — Filing
Nov 1, 2024
2024.11.01 22A-0085E - Exhibit B - Big Sandy-Badger Creek Project Schedule (Public) — Filing
Jan 29, 2025
22A-0085E - Notice of Firm Name Change — Filing
May 1, 2025
2025.05.01 22A-0085E - Tri-State Big Sandy CPCN - Notice of Filing Project Schedules — Filing
May 1, 2025
2025.05.01 22A-0085E - Exhibit B - Big Sandy-Badger Creek Project Schedule Public — Filing
May 1, 2025
2025.05.01 22A-0085E - Exhibit A - Boone-Huckleberry Project Schedule Public — Filing
Oct 31, 2025
2025-10-31 Tri-State Big Sandy CPCN - Notice of Filing Project Schedules — Filing
Oct 31, 2025
2025-10-31 Public Exhibit A - Boone-Huckleberry & Big Sandy-Badger Creek Project Schedule — Filing
Apr 30, 2026
Notice of Filing Project Schedules — Filing
Apr 30, 2026
Public Exhibit A - Boone-Huckleberry & Big Sandy-Badger Creek Project Schedule — Filing

Public Hearings

Unknown

Hearing details: Unknown

Not available from this project’s data source yet. Check the sources below directly.

Sources

Colorado PUC Docket No. 22A-0085E

Data quality note: Sourced from the Colorado Public Utilities Commission's public e-filing search. No structured location field is published; this project will not appear on the map until geocoded another way.