Clean Energy Groups Oppose MISO Power Proposal
State and industry leaders push back against a new 120-day grid interconnection plan for large loads.
Updated on Oct. 26, 2026 in Utilities
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Clean energy groups and 11 state commissions are urging federal regulators to reject a proposal by the Midcontinent Independent System Operator. The plan aims to fast-track grid interconnection for large energy loads exceeding 200 MW.
Why it matters
The proposal aims to modernize grid rules to address capacity needs, but critics argue the utility-only application requirement could unfairly shift costs to existing customers. FERC is currently reviewing the plan following findings that existing grid rules for large loads are inadequate.
The proposed Large Load Addition Resource Study process covers loads larger than 200 MW over a 120-day review period. Utilities intend for this plan to serve as a permanent market signal for at least 15 years.
The players
Midcontinent Independent System Operator
This regional transmission organization manages the flow of electricity across 15 states in the central United States.
Federal Energy Regulatory Commission
This federal agency regulates the interstate transmission of electricity, natural gas, and oil in the United States.
American Clean Power Association
This trade association represents companies working in the wind, solar, storage, and transmission sectors to promote clean energy policy.
This technology company is a major consumer of power for its data centers and frequently advocates for clean energy grid policies.
The details
The Midcontinent Independent System Operator intends to study planned load and generation simultaneously to expedite connections. Transmission customers would serve as the sole application facilitators for these large-scale projects.
Timeline
Mid-June 2026: FERC finds current grid rules for large loads inadequate.
Early October 2026: MISO proposes the 120-day LARS process.
October 23, 2026: Advocacy groups urge FERC to reject the plan.
November 2026: MISO plans to file a cost allocation framework.
Market Landscape
The proposal follows a pattern set by the June 2026 FERC finding on large load interconnection inadequacy. It represents a significant effort to standardize grid access for high-demand users while navigating the competitive interests of clean energy developers and traditional utilities.
Changes to how large-scale electricity projects connect to the grid can influence long-term energy costs for utility customers. If the proposal is implemented, it could alter how regional grid fees are distributed across various consumer classes.
The takeaway
The ongoing dispute highlights the tension between industrial power demand and the financial protection of existing grid users. Stakeholders should monitor upcoming filings regarding cost allocation to understand the potential impact on future electricity rates.
What happens next
MISO is scheduled to file a cost allocation framework for the LARS projects in November 2026.
Further reading
For more background on grid management, visit the Utilities section.
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