ER26-3650-000 · 2026-09-18 · CENTRAL MINNESOTA MUNICIPAL POWER AGENCYIndiana Municipal Power AgencyMissouri Joint Municipal Electric Utility Commission ,WPPI Energy ,

Motion to Intervene and Comments of Central Municipal Power Agency/Services et al. re Midcontinent Independent System Operator, Inc.'s 08/28/2026 filing

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At the same time, addressing these complex challenges must be done in a way consistent with the Show Cause Order the Commission issued to MISO5 and that avoids unintended adverse consequences.
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I. Motion to Intervene

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MOTION TO INTERVENE Each Midwest TDU (described in Attachment A hereto) moves to intervene with full rights as parties to this proceeding.
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II. Comments

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II.
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A. Midwest TDUs seek confirmation that the proposed requirements apply only to those Large Loads directly connected to the MISO Transmission System.

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Specifically, we find that it is within the Commission’s exclusive authority to ensure that transmission provider and/or transmission owner tariffs include sufficiently clear and consistent provisions governing how transmission service to Eligible Customers on behalf of large loads interconnecting…
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B. MISO’s new requirements must be implemented in a way that does not unduly burden Transmission Customers and advances their reliability purpose.

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MISO’s new requirements must be implemented in a way that does not unduly burden Transmission Customers and advances their reliability purpose.
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CONCLUSION

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CONCLUSION For the reasons discussed above, the Commission should (1) grant CMPAS, IMPA, MJMEUC, and WPPI intervention in this proceeding; and (2) 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…
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ATTACHMENT A

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ATTACHMENT A A-1
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ATTACHMENT A: DESCRIPTION OF MIDWEST TDUS

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ATTACHMENT A: DESCRIPTION OF MIDWEST TDUS Central Minnesota Municipal Power Agency d/b/a Central Municipal Power Agency/Services (“CMPAS”) is a public power joint action agency organized under Minnesota law.
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Attachment A

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Access to the JTS transmission facilities is administered by MISO pursuant to its tariff.
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Attachment A

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Attachment A A-3 with a 2024 summer peak load of 58 MW, titled the Southwest Missouri Public Energy Pool (“SWMPEP”).
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CERTIFICATE OF SERVICE

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Dated on this 18th day of September, 2026. /s/ Jeffrey M.
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