# EDGAR Filing Document

**Accession Number:** 0001637880
**File Stem:** 0001637880-25-000048
**Filing Date:** 2025-9
**Character Count:** 26361
**Document Hash:** 2759eb24bf56144853161f1f3e35b4e1
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001637880-25-000048.hdr.sgml**: 20250909

**ACCESSION NUMBER**: 0001637880-25-000048

**CONFORMED SUBMISSION TYPE**: SD

**PUBLIC DOCUMENT COUNT**: 13

**FILED AS OF DATE**: 20250909

**DATE AS OF CHANGE**: 20250909

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Tri-State Generation & Transmission Association, Inc.
- **CENTRAL INDEX KEY:** 0001637880
- **STANDARD INDUSTRIAL CLASSIFICATION:** ELECTRIC SERVICES [4911]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 840464189
- **STATE OF INCORPORATION:** CO
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SD
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 333-203560
- **FILM NUMBER:** 251302387

**BUSINESS ADDRESS:**
- **STREET 1:** 1100 WEST 116TH AVENUE
- **CITY:** WESTMINSTER
- **STATE:** CO
- **ZIP:** 80234
- **BUSINESS PHONE:** 303-452-6111

**MAIL ADDRESS:**
- **STREET 1:** 1100 WEST 116TH AVENUE
- **CITY:** WESTMINSTER
- **STATE:** CO
- **ZIP:** 80234

**UNITED STATES** 

**SECURITIES AND EXCHANGE COMMISSION** 

**Washington, D.C. 20549** 

**FORM SD** 

**SPECIALIZED DISCLOSURE REPORT** 

**Tri-State Generation and Transmission Association, Inc.**

(Exact name of Registrant as specified in its charter)

---

| | | | | |
|:---|:---|:---|:---|:---|
| **Colorado** | | **333-212006** | **333-212006** | **84-0464189** |
| (State or other jurisdiction of incorporation) |  | **(**Commission File Number) | **(**Commission File Number) | (I.R.S. Employer Identification No.) |
| **1100 W. 116th Avenue** | **1100 W. 116th Avenue** | **1100 W. 116th Avenue** |  |  |
| **Westminster** | **,** | **Colorado** | **80234** | **80234** |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br>(Address of principal executive offices) | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br>(Address of principal executive offices) | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br>(Address of principal executive offices) | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br>(Zip Code) | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br>(Zip Code) |

---

**Clifton Karnei**

**Interim Chief Financial Officer**

**(303) 452 - 6111**

(Name and telephone number, including area code, of the person to contact in connection with this report.)

Check the appropriate box to indicate the rule pursuant to which this Form is being submitted, and provide the period to which the information in this Form applies:

☐ Rule 13p-1 under the Securities Exchange Act (17 CFR 240.13p-1) for the reporting period from January 1 to December 31, 2024.

☒ Rule 13q-1 under the Securities Exchange Act (17 CFR 240.13q-1) for the fiscal year ended December 31, 2024.

------

**Section 1 – Conflict Minerals Disclosure**

**Item 1.01Conflict Mineral Disclosure and Report** 

**Conflict Minerals Disclosure** 

Not applicable.

**Item 1.02Exhibit** 

Not applicable.

**Section 2 – Resource Extraction Issuer Disclosure** 

**Item 2.01Resource Extraction Issuer Disclosure and Report**

**Disclosure of Payments by Resource Extraction Issuers**

&nbsp;&nbsp;&nbsp;&nbsp;The specified payment disclosure required by this Form is included in an exhibit to the Form SD.

**Section 3 – Exhibits** 

**Item 3.01Exhibits**

List below the following exhibits submitted as part of this report:

<u>[Exhibit 2.01 – Resource Extraction Payment Report](tris-20241231.htm)</u> as required by Item 2.01 of this Form.

------

**SIGNATURE**

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

---

| | | |
|:---|:---|:---|
| | **TRI-STATE GENERATION AND TRANSMISSION<br>ASSOCIATION, INC.** | **TRI-STATE GENERATION AND TRANSMISSION<br>ASSOCIATION, INC.** |
| Date: September 9, 2025 | By: | /s/ Clifton Karnei |
|  |  | Clifton Karnei |
|  |  | Interim Chief Financial Officer |

---

## Ex-2

---

| | |
|:---|:---|
| Exhibit 2.01 – Resource Extraction Payment Report |  |
|  | Tri-State Generation and Transmission Association, Inc. ("Registrant") owns 100 percent of Elk Ridge Mining and Reclamation, LLC ("Elk Ridge"), organized for the purpose of acquiring coal reserves and supplying coal to the Registrant. Below sets forth the payments made by the Registrant of its subsidiary for the categories indicated herein. This exhibit reports on solely one project, the Colowyo Mine. |
| The type and total amount of such payments, by payment type listed in paragraph (d)(9)(iii) of this Item 2.01, made for each project of the resource extraction issuer relating to the commercial development of oil, natural gas, or minerals. | Royalties - $13,328,645 |
| The type and total amount of such payments, by payment type listed in paragraph (d)(9)(iii) of this Item 2.01, made for each project of the resource extraction issuer relating to the commercial development of oil, natural gas, or minerals. | Federal reclamation - $374,567 |
| The type and total amount of such payments, by payment type listed in paragraph (d)(9)(iii) of this Item 2.01, made for each project of the resource extraction issuer relating to the commercial development of oil, natural gas, or minerals. | Taxes - $951,094 |
| The type and total amount of such payments, by payment type listed in paragraph (d)(9)(iii) of this Item 2.01, for all projects made to each government. | Royalties - $13,328,645 |
| The type and total amount of such payments, by payment type listed in paragraph (d)(9)(iii) of this Item 2.01, for all projects made to each government. | Federal reclamation - $374,567 |
| The type and total amount of such payments, by payment type listed in paragraph (d)(9)(iii) of this Item 2.01, for all projects made to each government. | Taxes - $951,094 |
| The total amounts of the payments, by payment type listed in paragraph (d)(9) (iii) of this Item 2.01. | Royalties - $13,328,645 |
| The total amounts of the payments, by payment type listed in paragraph (d)(9) (iii) of this Item 2.01. | Federal reclamation - $374,567 |
| The total amounts of the payments, by payment type listed in paragraph (d)(9) (iii) of this Item 2.01. | Taxes - $951,094 |
| The currency used to make the payments; | U.S. Dollars |
| The fiscal year in which the payments were made; | 2024 |
| The business segment of the resource extraction issuer that made the payments; | Tri-State Generation and Transmission Association, Inc. |
| The governments (including any foreign government or the Federal Government) that received the payments and the country in which each such government is located; | The United States of America |
| The project of the resource extraction issuer to which the payments relate; | Colowyo Mine |
| The particular resource that is the subject of commercial development; | Coal |
| The method of extraction used in the project; | Open pit |
| The major subnational political jurisdiction of the project; | Colorado |

---

## Exhibit 2.01

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## Exhibit 2.01

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          <link:loc xlink:type="locator" xlink:label="loc_tris_ColowyoMineProjectMember_c6fccdd6-517e-4bb9-8cec-66164c6eb626" xlink:href="tris-20241231.xsd#tris_ColowyoMineProjectMember"/>
          <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_rxp_AllProjectsMember" xlink:to="loc_tris_ColowyoMineProjectMember_c6fccdd6-517e-4bb9-8cec-66164c6eb626" xlink:type="arc" order="1"/>
        </link:definitionLink>
        <link:roleRef roleURI="http://xbrl.sec.gov/rxp/role/ResourcesOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/rxp/2025/rxp-2025.xsd#ResourcesOnly"/>
        <link:definitionLink xlink:role="http://xbrl.sec.gov/rxp/role/ResourcesOnly" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:label="loc_rxp_AllResourcesMember" xlink:href="https://xbrl.sec.gov/rxp/2025/rxp-2025.xsd#rxp_AllResourcesMember"/>
          <link:loc xlink:type="locator" xlink:label="loc_tris_CoalMember_d1ca2597-78dd-4c77-a048-098c070a9bc5" xlink:href="tris-20241231.xsd#tris_CoalMember"/>
          <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_rxp_AllResourcesMember" xlink:to="loc_tris_CoalMember_d1ca2597-78dd-4c77-a048-098c070a9bc5" xlink:type="arc" order="1"/>
        </link:definitionLink>
        <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodStartLabel"/>
        <link:roleRef roleURI="http://www.xbrl.org/2009/role/netLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd#netLabel"/>
        <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedNetLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedNetLabel"/>
        <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTerseLabel"/>
        <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodEndLabel"/>
        <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedLabel"/>
        <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTotalLabel"/>
        <link:labelLink xlink:role="http://www.xbrl.org/2003/role/link" xlink:type="extended">
          <link:label id="lab_tris_ColowyoMineProjectMember_label_en-US" xlink:label="lab_tris_ColowyoMineProjectMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Colowyo Mine Project [Member]</link:label>
          <link:loc xlink:type="locator" xlink:label="loc_tris_ColowyoMineProjectMember" xlink:href="tris-20241231.xsd#tris_ColowyoMineProjectMember"/>
          <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tris_ColowyoMineProjectMember" xlink:to="lab_tris_ColowyoMineProjectMember" xlink:type="arc" order="1"/>
          <link:label id="lab_tris_ColoradoMember_label_en-US" xlink:label="lab_tris_ColoradoMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Colorado [Member]</link:label>
          <link:loc xlink:type="locator" xlink:label="loc_tris_ColoradoMember" xlink:href="tris-20241231.xsd#tris_ColoradoMember"/>
          <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tris_ColoradoMember" xlink:to="lab_tris_ColoradoMember" xlink:type="arc" order="1"/>
          <link:label id="lab_country_US_label_en-US" xlink:label="lab_country_US" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">UNITED STATES</link:label>
          <link:loc xlink:type="locator" xlink:label="loc_country_US" xlink:href="https://xbrl.sec.gov/country/2025/country-2025.xsd#country_US"/>
          <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_country_US" xlink:to="lab_country_US" xlink:type="arc" order="1"/>
          <link:label id="lab_tris_CoalMember_label_en-US" xlink:label="lab_tris_CoalMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Coal [Member]</link:label>
          <link:loc xlink:type="locator" xlink:label="loc_tris_CoalMember" xlink:href="tris-20241231.xsd#tris_CoalMember"/>
          <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_tris_CoalMember" xlink:to="lab_tris_CoalMember" xlink:type="arc" order="1"/>
        </link:labelLink>
      </link:linkbase>
    </xs:appinfo>
  </xs:annotation>
  <xs:element id="tris_ColoradoMember" abstract="true" name="ColoradoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="tris_ColowyoMineProjectMember" abstract="true" name="ColowyoMineProjectMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="tris_CoalMember" abstract="true" name="CoalMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
</XBRL>

```