ER27-25-000 · 2026-10-23 · Alliant and Consumers Energy

Comments of Alliant Energy Corporate Services, Inc. and Consumers Energy Company in Support of MISO's Proposed Tariff Revisions

Read topic-matched comments in ER27-25

Topics in the text: Connecting load and generation · Reliability and curtailment

What the document says

PDF p. 2

Supporters say studying load and generation together removes duplicative upgrades and lowers costs.

This integrated approach will enable MISO to identify optimized transmission solutions, eliminate duplicative or unnecessarily expensive upgrades, and help deliver lower-cost outcomes for customers. PDF p. 2

PDF p. 3

Supporters want FERC to accept LARS as filed, citing its entry limits and fuel neutrality.

Strong readiness requirements are therefore an appropriate safeguard against speculative projects consuming scarce study resources PDF p. 3

Responses and related views

No section-specific public response is linked for this document.

Source sections

Printed headings where available; page ranges otherwise. Excerpts below are selected from the text by keyword.

Opening text

opening text · Topic match: Connecting load and generation

The LARS Proposal offers a practical approach to meeting load growth while helping to maintain resource adequacy and supporting a cost-effective mix of generating resources. 1 18 C.F.R. § 385.212 (2025). 2 Consumers Energy is a Load Serving Entity (LSE) and active participant in the MISO generation…
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Support for LARS as a Just and Reasonable Study Pathway

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MISO’s broader framework for integrating large loads onto its system appropriately recognizes that acceleration must be coupled with operational capabilities such as telemetry, coordination, curtailment capability, ride-through, stability controls, resilience, and security. 4 LARS Proposal at…
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Continued Stakeholder Collaboration on Implementation

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For these reasons, AECS and Consumers Energy respectfully request that the Commission find MISO’s LARS Proposal is a just and reasonable approach to coordinating the study of large loads and paired generation, optimizing transmission solutions, and facilitating timely, reliable service at lower…
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CERTIFICATE OF SERVICE

printed heading

Dated at Cedar Rapids, Iowa, this 23 day of October 2026. /s/ Dezirae Fisher Dezirae Fisher Senior Paralegal Alliant Energy Corporate Services, Inc. 200 1st St SE Cedar Rapids, IA 52401 Tel: (319) 786-4113 Email: deziraefisher@alliantenergy.com
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