Investment in Unconsolidated Affiliates (Tables)

3 Months Ended

Mar. 31, 2022

Reconciliation of Basis Difference [Line Items]

Reconciliation of Equity in Earnings of Unconsolidated Affiliates [Table Text Block]

The following table presents a reconciliation of OGE Energy's equity in earnings of unconsolidated affiliates for the three months ended March 31, 2021.

	Three Months Ended
(In millions)	March 31, 2021
Enable net income	$	155.0
OGE Energy's percent ownership at period end	25.5		%
OGE Energy's portion of Enable net income	$	39.5
Amortization of basis difference and dilution recognition (A)	13.7
Equity in earnings of unconsolidated affiliates	$	53.2

(A)Includes loss on dilution, net of proportional basis difference recognition.

Schedule of Related Party Transactions [Table Text Block]

The following table presents summarized related party transactions between OG&E and Enable during the three months ended March 31, 2021.

	Three Months Ended
(In millions)	March 31, 2021
Operating revenues:
Electricity to power electric compression assets	$	2.6
Fuel, purchased power and direct transmission expense:
Natural gas transportation services	$	4.7
Natural gas purchases (sales)	$	(12.2)