Opportunity
Federal Register #Docket No. EL26-70-000
FERC Section 206 Investigation of MISO Tariff Practices
Buyer
Federal Energy Regulatory Commission
Posted
June 24, 2026
Identifier
Docket No. EL26-70-000
NAICS
926130
This opportunity involves a regulatory investigation by the Federal Energy Regulatory Commission (FERC) into the tariff practices of Midcontinent Independent System Operator, Inc. (MISO): - Government Buyer: - Federal Energy Regulatory Commission (FERC), under the Department of Energy - Entities Involved: - Midcontinent Independent System Operator, Inc. (MISO) - Numerous regional transmission and utility companies, including AEP Indiana Michigan Transmission Company, ALLETE, Ameren Illinois Company, Ameren Transmission Company of Illinois, American Transmission Company, Cleco Power, Duke Energy Indiana, Entergy Arkansas, Entergy Louisiana, Entergy Mississippi, Entergy New Orleans, Entergy Texas, GridLiance Heartland, Indianapolis Power & Light Company, International Transmission Company, ITC Midwest, Michigan Electric Transmission Company, MidAmerican Energy Company, Montana-Dakota Utilities Company, Northern Indiana Public Service Company, Northern States Power Company (Minnesota and Wisconsin), Northwestern Wisconsin Electric Company, Otter Tail Power Company, Pioneer Transmission, Republic Transmission, Southern Indiana Gas & Electric Company, Union Electric Company, Wabash Valley Power Association, Wolverine Power Supply Cooperative - Products/Services Requested: - No products or services are being procured or awarded in this notice - Notable Requirements: - The proceeding will determine if MISO's Open Access Transmission, Energy, and Operating Reserve Markets Tariff is unjust, unreasonable, unduly discriminatory or preferential, or otherwise unlawful - The refund effective date is set as the date of publication of this notice - No OEMs or vendors are specified, as this is not a procurement action
Description
This notice announces the institution of a Section 206 proceeding by the Federal Energy Regulatory Commission to investigate whether the Midcontinent Independent System Operator, Inc.'s Open Access Transmission, Energy, and Operating Reserve Markets Tariff is unjust, unreasonable, unduly discriminatory or preferential, or otherwise unlawful. The refund effective date is established as the date of publication of this notice in the Federal Register. Interested persons may file a notice of intervention or motion to intervene within 21 days of the order issuance date.