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CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($) shares in Millions, $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2021 | Mar. 31, 2020
Revenues from contracts with customers | [1] | $ 1,621.0 | $ 420.4 |
Other revenues |  | 9.6 | 10.9 |
Operating revenues |  | 1,630.6 | 431.3 |
COST OF SALES |  | 1,346.8 | 135.0 |
OPERATING EXPENSES |  |  |  |
Other operation and maintenance |  | 109.3 | 120.0 |
Depreciation and amortization |  | 98.7 | 94.4 |
Taxes other than income |  | 27.2 | 25.6 |
Operating expenses |  | 235.2 | 240.0 |
OPERATING INCOME |  | 48.6 | 56.3 |
OTHER INCOME (EXPENSE) |  |  |  |
Equity in earnings (losses) of unconsolidated affiliates |  | 53.2 | (746.5) | [2]
Allowance for equity funds used during construction |  | 1.3 | 1.3 |
Other net periodic benefit expense |  | (1.4) | (0.5) |
Other income |  | 3.0 | 7.4 |
Other expense |  | (2.0) | (6.1) |
Net other income (expense) |  | 54.1 | (744.4) |
INTEREST EXPENSE |  |  |  |
Interest on long-term debt |  | 38.4 | 36.6 |
Allowance for borrowed funds used during construction |  | (0.8) | (0.5) |
Interest on short-term debt and other interest charges |  | 1.8 | 2.2 |
Interest expense |  | 39.4 | 38.3 |
INCOME (LOSS) BEFORE TAXES |  | 63.3 | (726.4) |
INCOME TAX EXPENSE (BENEFIT) |  | 10.6 | (234.6) |
NET INCOME (LOSS) |  | $ 52.7 | $ (491.8) |
BASIC AVERAGE COMMON SHARES OUTSTANDING |  | 200.1 | 200.2 |
DILUTED AVERAGE COMMON SHARES OUTSTANDING |  | 200.1 | 200.2 |
BASIC EARNINGS (LOSS) PER AVERAGE COMMON SHARE |  | $ 0.26 | $ (2.46) |
DILUTED EARNINGS (LOSS) PER AVERAGE COMMON SHARE |  | $ 0.26 | $ (2.46) |
Other Comprehensive Income (Loss), Net of Tax |  | $ 3.5 | $ (0.9) |
Comprehensive Income (Loss), Net of Tax, Attributable to Parent |  | 56.2 | (492.7) |
OG&E [Member] |  |  |  |
Revenues from contracts with customers |  | 1,621.0 | 420.4 |
Other revenues |  | 9.6 | 10.9 |
Operating revenues |  | 1,630.6 | 431.3 |
COST OF SALES |  | 1,346.8 | 135.0 |
OPERATING EXPENSES |  |  |  |
Other operation and maintenance |  | 110.3 | 121.0 |
Depreciation and amortization |  | 98.7 | 94.4 |
Taxes other than income |  | 25.7 | 23.9 |
Operating expenses |  | 234.7 | 239.3 |
OPERATING INCOME |  | 49.1 | 57.0 |
OTHER INCOME (EXPENSE) |  |  |  |
Allowance for equity funds used during construction |  | 1.3 | 1.3 |
Other net periodic benefit expense |  | (0.9) | (0.5) |
Other income |  | 1.7 | 1.5 |
Other expense |  | (0.4) | (0.5) |
Net other income (expense) |  | 1.7 | 1.8 |
INTEREST EXPENSE |  |  |  |
Interest on long-term debt |  | 38.4 | 36.6 |
Allowance for borrowed funds used during construction |  | (0.8) | (0.5) |
Interest on short-term debt and other interest charges |  | 0.8 | 0.8 |
Interest expense |  | 38.4 | 36.9 |
INCOME (LOSS) BEFORE TAXES |  | 12.4 | 21.9 |
INCOME TAX EXPENSE (BENEFIT) |  | 1.2 | 2.0 |
NET INCOME (LOSS) |  | 11.2 | 19.9 |
Other Comprehensive Income (Loss), Net of Tax |  | 0.0 | 0.0 |
Comprehensive Income (Loss), Net of Tax, Attributable to Parent |  | $ 11.2 | $ 19.9 |
[1] | In February 2021, OG&E's service territory experienced an unprecedented, prolonged, cold spell that resulted in record winter peak demand for electricity and extremely high natural gas and purchased power prices. Operating revenues significantly increased due to increased cost of sales, which are recovered from customers, as a result of the February 2021 extreme cold weather event. For further discussion, see Note 15 and "Item 2. Management's Discussion and Analysis of Financial Condition and Results of Operation."
[2] | In 2020, OGE Energy recorded a $780.0 million impairment on its investment in Enable, as further discussed in Note 4

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