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Revenue
 12 Months Ended
Dec. 31, 2023
Revenue from Contract with Customer [Abstract]  
Revenue

(4) REVENUE

 

The following tables depict the disaggregation of revenue, including intercompany revenue, from contracts with customers by customer type and timing of revenue recognition for each of the reportable segments, for the years ended December 31, 2023, 2022 and 2021. Sales tax and other similar taxes are excluded from revenues.

 

Year ended December 31, 2023

Electric Utilities

 

Gas Utilities

 

Inter-segment Eliminations

 

Total

 

Customer types:

(in millions)

 

Retail

$

697.7

 

$

1,248.8

 

$

—

 

$

1,946.5

 

Transportation

 

—

 

 

176.8

 

 

(0.5

)

 

176.3

 

Wholesale

 

34.2

 

 

—

 

 

—

 

 

34.2

 

Market - off-system sales

 

50.9

 

 

0.4

 

 

—

 

 

51.3

 

Transmission/Other

 

71.4

 

 

39.4

 

 

(17.4

)

 

93.4

 

Revenue from contracts with customers

 

854.2

 

 

1,465.4

 

 

(17.9

)

 

2,301.7

 

Other revenues

 

10.8

 

 

18.8

 

 

—

 

 

29.6

 

Total revenues

$

865.0

 

$

1,484.2

 

$

(17.9

)

$

2,331.3

 

 

 

 

 

 

 

 

 

 

Timing of revenue recognition:

 

 

 

 

 

 

 

 

Services transferred at a point in time

$

31.5

 

$

—

 

$

—

 

$

31.5

 

Services transferred over time

 

822.7

 

 

1,465.4

 

 

(17.9

)

 

2,270.2

 

Revenue from contracts with customers

$

854.2

 

$

1,465.4

 

$

(17.9

)

$

2,301.7

 

 

Year ended December 31, 2022

Electric Utilities

 

Gas Utilities

 

Inter-segment Eliminations

 

Total

 

Customer types:

(in millions)

 

Retail

$

739.7

 

$

1,453.3

 

$

—

 

$

2,193.0

 

Transportation

 

—

 

 

173.3

 

 

(0.4

)

 

172.9

 

Wholesale

 

44.8

 

 

—

 

 

—

 

 

44.8

 

Market - off-system sales

 

48.6

 

 

0.8

 

 

—

 

 

49.4

 

Transmission/Other

 

61.5

 

 

37.9

 

 

(16.6

)

 

82.8

 

Revenue from contracts with customers

 

894.6

 

 

1,665.3

 

 

(17.0

)

 

2,542.9

 

Other revenues

 

5.6

 

 

3.8

 

 

(0.5

)

 

8.9

 

Total revenues

$

900.2

 

$

1,669.1

 

$

(17.5

)

$

2,551.8

 

 

 

 

 

 

 

 

 

 

Timing of revenue recognition:

 

 

 

 

 

 

 

 

Services transferred at a point in time

$

30.4

 

$

—

 

$

—

 

$

30.4

 

Services transferred over time

 

864.2

 

 

1,665.3

 

 

(17.0

)

 

2,512.5

 

Revenue from contracts with customers

$

894.6

 

$

1,665.3

 

$

(17.0

)

$

2,542.9

 

 

Year ended December 31, 2021

Electric Utilities

 

Gas Utilities

 

Inter-segment Eliminations

 

Total

 

Customer types:

(in millions)

 

Retail

$

711.5

 

$

913.7

 

$

—

 

$

1,625.2

 

Transportation

 

—

 

 

158.1

 

 

(0.4

)

 

157.7

 

Wholesale

 

30.8

 

 

—

 

 

—

 

 

30.8

 

Market - off-system sales

 

41.7

 

 

0.4

 

 

—

 

 

42.1

 

Transmission/Other

 

52.9

 

 

39.4

 

 

(17.2

)

 

75.1

 

Revenue from contracts with customers

 

836.9

 

 

1,111.6

 

 

(17.6

)

 

1,930.9

 

Other revenues

 

5.3

 

 

13.3

 

 

(0.4

)

 

18.2

 

Total revenues

$

842.2

 

$

1,124.9

 

$

(18.0

)

$

1,949.1

 

 

 

 

 

 

 

 

 

 

Timing of revenue recognition:

 

 

 

 

 

 

 

 

Services transferred at a point in time

$

27.1

 

$

—

 

$

—

 

$

27.1

 

Services transferred over time

 

809.8

 

 

1,111.6

 

 

(17.6

)

 

1,903.8

 

Revenue from contracts with customers

$

836.9

 

$

1,111.6

 

$

(17.6

)

$

1,930.9