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This website publishes administrative rules on their effective dates, as designated by the adopting state agencies, colleges, and universities.

Rule 4901:5-37-04 | Sudden or unanticipated critical situation resulting in overloading transmission facilities.


When sudden or unanticipated generation or transmission outages cause an overloading of an electric entity's facilities or interconnection circuits that operate at a nominal sixty hertz, that electric entity shall perform any or all of the following actions, as applicable:

(A) Interrupt service to customers served under interruptible tariffs or contracts.

(B) Interrupt service to firm service customers.

(C) Reduce voltage by not more than five per cent if the transmission system is isolated.

(D) Disconnect the overloaded facility or circuit.

The provisions of this rule do not apply to any municipal or cooperative unless the governor has declared an energy emergency under section 4935.03 of the Revised Code.

Last updated July 17, 2023 at 12:15 PM

Supplemental Information

Authorized By: 4935.03
Amplifies: 4935.03
Five Year Review Date: 6/26/2028
Prior Effective Dates: 9/18/2000, 2/27/2010