Document EdJ8Zm0dq3MeEY29DQxv51YGx

March 28, 2025 Page 7 can similarly be granted based on the unavailability of technology, which may relate to supplychain shortages and other installation challenges that would also fall within the scope of Section 1 12(i)(3)(B). Thus, the fact that the generation from Basin Electric's affected EGUs is necessary to maintain grid reliability provides an appropriate basis for concluding that the necessary technology is not "available." ******* Based on the significant national security risks and technological challenges described above, Basin Electric respectfully requests the President to grant two-year Presidential Exemptions under CAA Section 112(i)(4) from all of the requirements of the 2024 MATS Rule for its affected EGUs. Should you require any additional information or documentation to support this request, please contact Troy Tweeten. Sincerely, ( 14ere-eLe- Troy Tweeten Sr. VP of Generation Basin Electric Power Cooperative Office: 701-557-5787 Cell: 307.689.1056 7 Sierra Club FOIA 2025-EPA-04883 ED_018388_00000312-00007 SC_EVERSPLIT0006292