Midcontinent Grid Operator Faces FERC Pricing Probe
Published Date: 6/24/2026
Notice
Summary
The Federal Energy Regulatory Commission is checking if the Midcontinent Independent System Operator’s market rules are fair and reasonable. This affects many power companies across several states and could lead to changes in how they charge for electricity. If changes happen, refunds might be given starting from June 24, 2026, so keep an eye out!
Analyzed Economic Effects
2 provisions identified: 1 benefits, 0 costs, 1 mixed.
FERC Opens Investigation into MISO Tariff
On June 18, 2026, the Federal Energy Regulatory Commission issued an order instituting an investigation under section 206 of the Federal Power Act to determine whether the Midcontinent Independent System Operator, Inc.’s Open Access Transmission, Energy, and Operating Reserve Markets Tariff is unjust, unreasonable, unduly discriminatory or otherwise unlawful. The investigation is docketed as EL26-70-000 and names Midcontinent Independent System Operator, Inc. and the transmission companies listed in that docket.
Refunds Effective Date Set
The Commission set the refund effective date for Docket No. EL26-70-000 as the date of publication of this notice in the Federal Register, June 24, 2026. That means any ordered refunds in that docket would be effective beginning on June 24, 2026.
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