Document 93VZOD0LVV7Ekn5BJa7b2892V

215 South Cascade Street PO Box 496 Fergus Falls, Minnesota 56538-0496 218 739-8200 www.otpco.com Via email at airaction@_epa.gov March 31, 2025 hionorable nee M. Zeldin Office of the Administrator (1101A) United States Environmental Protection Agency 1200 Pennsylvania Avenue, N.W. Washington, D.C. 20460 OrrEgfran POWER COMPANY RE: Presidential Exemption: National Emission Standards.fOr Hazardous Air Pollutants: Coal- and Oil-Fired Electric Steam Generating (fnits Review of the Residual Risk and Technology Review (MA IS RIR), 89 Fed. 38508 (May 7, 2024): Coyote Station, Near Beulah, North Dakota Dear Administrator Zeldin: Otter 'Fail Power Company (Otter 'Fail), as operator on behalf of the Co-owners of Coyote Station', respectfully requests a Presidential Exemption under Section 1 12(i)(4) of the Clean Air Act (CAA) from compliance with the revised standards and requirements finalized in the above-referenced MATS RTR rule (MATS RTR or the Rule). Otter Tail-' and the Coowners' t 3 are seeking a two-year exemption from the current compliance date of July 6, 2027 (as calculated, July 6, 2029) for the Coyote Station, with the potential for a further extension, as allowed under Section 1 12(i)(4). 1. Executive Summary Otter Tail and the Co-owners seek an exemption from compliance with the MATS RTR emissions standards for the Coyote Station, which combusts North Dakota lignite coal. Otter I Otter Tail is a co-owner and the operating agent for Coyote Station. The other co-owners arc Montana-Dakota Utilities Co., Northern Municipal Power Agency (for which Minnkota Power Cooperative (Minnkota) is a business agent), and NorthWestern Energy Public Service Corporation (the Co-owners). Otter Tail makes this request as the operating agent for the Station and has authority make this request on behalf of the Co-owners. Otter Tail is an electric utility that provides generation, transmission, and distribution of electricity and energy services for approximately 133,000 residential, commercial, and industrial customers across 70,000 square miles in Minnesota, North Dakota. and South Dakota. Montana-Dakota Utilities Co. is a subsidiary of MDU Resource Group, Inc. engaged in the distribution of natural gas and the generation, transmission, and distribution of electricity in the states of North Dakota, South Dakota, Montana, and Wyoming Montana-Dakota provides electric service at retail, serving 145,686 residential, commercial, industrial and municipal customers in 185 communities and adjacent rural areas as of 2024. 'Fhe Northern Municipal Power Agency (NMPA) is a Joint Action Agency serving as the energy supplier for 12 municipal utilities in Minnesota and North Dakota NMPA is a member of the Minnkota Power Cooperative joint system. Minnkota of Grand Forks, North Dakota, is the operating agent for NMPA NMPA headquarters is located in Thief River Falls, Minnesota NorthWestern Energy Public Service Corporation, a wholly owned subsidiary of NorthWestern Energy Group, Inc., has provided electricity and / or natural gas to customers in South Dakota and Nebraska since 1923. Sierra Club FOIA 2025-EPA-04883 ED_018388_00000194-00001 SC_EVERSPLIT0005964