ER26-3650-000 · 2026-10-28 · Central Municipal Power Agency/ServicesMissouri Joint Municipal Electric Utility CommissionWPPI Energy ,Indiana Municipal Power Agency ,

Motion for Leave to Answer and Answer of Central Municipal Power Agency Services, et al. to Midcontinent Independent System Operator, Inc.’s 10/13/2026 Motion for Leave to Answer and Answer

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Topics in the text: Registry access

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UNITED STATES OF AMERICA BEFORE THE FEDERAL ENERGY REGULATORY COMMISSION Midcontinent Independent System Operator, Inc.
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I. MOTION FOR LEAVE TO ANSWER

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MOTION FOR LEAVE TO ANSWER The Commission’s Rules of Practice and Procedure prohibit answers to answers unless otherwise authorized by the Commission,6 but the Commission has authority to waive this prohibition for good cause.7 The Commission has found good cause to waive the general prohibition on…
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II. Answer

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II.
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A. Further clarity is needed to ensure that MISO’s proposed Interconnection Reliability Requirements are limited to Transmission System-connected Large Loads.

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Operator, Inc., 195 FERC ¶ 61,212, P 58 (2026) (“MISO Show Cause Order”). 14 See Midwest TDUs Comments at 6-7. 15 MISO Answer at 27 (emphasis added). 16 MISO Show Cause Order P 58. 17 The Computational Load registry criteria discussed in Midwest TDUs’ Comments at 9 n.22 (quoting the proposed…
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B. There remains uncertainty as to how Transmission Customers can rely on their agreements with Large Loads to effectuate compliance.

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MISO states that it “must be able to obtain, through the Transmission Customer, all information and operational access necessary” and that agreements can “establish[] the Transmission Customer’s access to the information needed for 18 MISO Answer at 28. 19 Midwest TDUs Comments at 9-15. 20 MISO…
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CONCLUSION

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CONCLUSION For the reasons discussed above, and in Midwest TDUs’ Comments, the Commission should ensure that the issues above are adequately clarified by MISO and order further Tariff revisions to the extent that MISO’s proposed language is not clear on these issues.
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CERTIFICATE OF SERVICE

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Dated on this 28th day of October, 2026. /s/ Jeffrey M.
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