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v3.24.2.u1

Revenues | 6 Months Ended
--- | ---
Jun. 30, 2024
Disaggregation of Revenue [Line Items] |
Revenues from Contracts with Customers | REVENUES Disaggregation of revenues from contracts with customers, which correlates to revenues for each reportable segment, was as follows (in millions):
| Alliant Energy |  | IPL |  | WPL
Three Months Ended June 30 | 2024 |  | 2023 |  | 2024 |  | 2023 |  | 2024 |  | 2023
Electric Utility: |  |  |  |  |  |  |  |  |  |  |
Retail - residential | $291 |  | $284 |  | $151 |  | $151 |  | $140 |  | $133
Retail - commercial | 191 |  | 201 |  | 118 |  | 129 |  | 73 |  | 72
Retail - industrial | 237 |  | 245 |  | 118 |  | 130 |  | 119 |  | 115
Wholesale | 43 |  | 49 |  | 13 |  | 14 |  | 30 |  | 35
Bulk power and other | 27 |  | 20 |  | 4 |  | 7 |  | 23 |  | 13
Total Electric Utility | 789 |  | 799 |  | 404 |  | 431 |  | 385 |  | 368
Gas Utility: |  |  |  |  |  |  |  |  |  |  |
Retail - residential | 38 |  | 42 |  | 22 |  | 24 |  | 16 |  | 18
Retail - commercial | 19 |  | 22 |  | 11 |  | 12 |  | 8 |  | 10
Retail - industrial | 2 |  | 3 |  | 1 |  | 2 |  | 1 |  | 1
Transportation/other | 10 |  | 10 |  | 6 |  | 6 |  | 4 |  | 4
Total Gas Utility | 69 |  | 77 |  | 40 |  | 44 |  | 29 |  | 33
Other Utility: |  |  |  |  |  |  |  |  |  |  |
Steam | 9 |  | 11 |  | 9 |  | 11 |  | — |  | —
Other utility | 1 |  | 2 |  | — |  | 1 |  | 1 |  | 1
Total Other Utility | 10 |  | 13 |  | 9 |  | 12 |  | 1 |  | 1
Non-Utility and Other: |  |  |  |  |  |  |  |  |  |  |
Travero and other | 26 |  | 23 |  | — |  | — |  | — |  | —
Total Non-Utility and Other | 26 |  | 23 |  | — |  | — |  | — |  | —
Total revenues | $894 |  | $912 |  | $453 |  | $487 |  | $415 |  | $402
| Alliant Energy |  | IPL |  | WPL
Six Months Ended June 30 | 2024 |  | 2023 |  | 2024 |  | 2023 |  | 2024 |  | 2023
Electric Utility: |  |  |  |  |  |  |  |  |  |  |
Retail - residential | $588 |  | $569 |  | $301 |  | $294 |  | $287 |  | $275
Retail - commercial | 377 |  | 385 |  | 232 |  | 241 |  | 145 |  | 144
Retail - industrial | 460 |  | 460 |  | 229 |  | 236 |  | 231 |  | 224
Wholesale | 89 |  | 95 |  | 26 |  | 26 |  | 63 |  | 69
Bulk power and other | 66 |  | 58 |  | 7 |  | 22 |  | 59 |  | 36
Total Electric Utility | 1,580 |  | 1,567 |  | 795 |  | 819 |  | 785 |  | 748
Gas Utility: |  |  |  |  |  |  |  |  |  |  |
Retail - residential | 165 |  | 210 |  | 90 |  | 117 |  | 75 |  | 93
Retail - commercial | 80 |  | 110 |  | 41 |  | 56 |  | 39 |  | 54
Retail - industrial | 6 |  | 9 |  | 4 |  | 6 |  | 2 |  | 3
Transportation/other | 22 |  | 24 |  | 13 |  | 15 |  | 9 |  | 9
Total Gas Utility | 273 |  | 353 |  | 148 |  | 194 |  | 125 |  | 159
Other Utility: |  |  |  |  |  |  |  |  |  |  |
Steam | 20 |  | 22 |  | 20 |  | 22 |  | — |  | —
Other utility | 4 |  | 3 |  | 3 |  | 2 |  | 1 |  | 1
Total Other Utility | 24 |  | 25 |  | 23 |  | 24 |  | 1 |  | 1
Non-Utility and Other: |  |  |  |  |  |  |  |  |  |  |
Travero and other | 48 |  | 45 |  | — |  | — |  | — |  | —
Total Non-Utility and Other | 48 |  | 45 |  | — |  | — |  | — |  | —
Total revenues | $1,925 |  | $1,990 |  | $966 |  | $1,037 |  | $911 |  | $908
IPL [Member] |
Disaggregation of Revenue [Line Items] |
Revenues from Contracts with Customers | REVENUES Disaggregation of revenues from contracts with customers, which correlates to revenues for each reportable segment, was as follows (in millions):
| Alliant Energy |  | IPL |  | WPL
Three Months Ended June 30 | 2024 |  | 2023 |  | 2024 |  | 2023 |  | 2024 |  | 2023
Electric Utility: |  |  |  |  |  |  |  |  |  |  |
Retail - residential | $291 |  | $284 |  | $151 |  | $151 |  | $140 |  | $133
Retail - commercial | 191 |  | 201 |  | 118 |  | 129 |  | 73 |  | 72
Retail - industrial | 237 |  | 245 |  | 118 |  | 130 |  | 119 |  | 115
Wholesale | 43 |  | 49 |  | 13 |  | 14 |  | 30 |  | 35
Bulk power and other | 27 |  | 20 |  | 4 |  | 7 |  | 23 |  | 13
Total Electric Utility | 789 |  | 799 |  | 404 |  | 431 |  | 385 |  | 368
Gas Utility: |  |  |  |  |  |  |  |  |  |  |
Retail - residential | 38 |  | 42 |  | 22 |  | 24 |  | 16 |  | 18
Retail - commercial | 19 |  | 22 |  | 11 |  | 12 |  | 8 |  | 10
Retail - industrial | 2 |  | 3 |  | 1 |  | 2 |  | 1 |  | 1
Transportation/other | 10 |  | 10 |  | 6 |  | 6 |  | 4 |  | 4
Total Gas Utility | 69 |  | 77 |  | 40 |  | 44 |  | 29 |  | 33
Other Utility: |  |  |  |  |  |  |  |  |  |  |
Steam | 9 |  | 11 |  | 9 |  | 11 |  | — |  | —
Other utility | 1 |  | 2 |  | — |  | 1 |  | 1 |  | 1
Total Other Utility | 10 |  | 13 |  | 9 |  | 12 |  | 1 |  | 1
Non-Utility and Other: |  |  |  |  |  |  |  |  |  |  |
Travero and other | 26 |  | 23 |  | — |  | — |  | — |  | —
Total Non-Utility and Other | 26 |  | 23 |  | — |  | — |  | — |  | —
Total revenues | $894 |  | $912 |  | $453 |  | $487 |  | $415 |  | $402
| Alliant Energy |  | IPL |  | WPL
Six Months Ended June 30 | 2024 |  | 2023 |  | 2024 |  | 2023 |  | 2024 |  | 2023
Electric Utility: |  |  |  |  |  |  |  |  |  |  |
Retail - residential | $588 |  | $569 |  | $301 |  | $294 |  | $287 |  | $275
Retail - commercial | 377 |  | 385 |  | 232 |  | 241 |  | 145 |  | 144
Retail - industrial | 460 |  | 460 |  | 229 |  | 236 |  | 231 |  | 224
Wholesale | 89 |  | 95 |  | 26 |  | 26 |  | 63 |  | 69
Bulk power and other | 66 |  | 58 |  | 7 |  | 22 |  | 59 |  | 36
Total Electric Utility | 1,580 |  | 1,567 |  | 795 |  | 819 |  | 785 |  | 748
Gas Utility: |  |  |  |  |  |  |  |  |  |  |
Retail - residential | 165 |  | 210 |  | 90 |  | 117 |  | 75 |  | 93
Retail - commercial | 80 |  | 110 |  | 41 |  | 56 |  | 39 |  | 54
Retail - industrial | 6 |  | 9 |  | 4 |  | 6 |  | 2 |  | 3
Transportation/other | 22 |  | 24 |  | 13 |  | 15 |  | 9 |  | 9
Total Gas Utility | 273 |  | 353 |  | 148 |  | 194 |  | 125 |  | 159
Other Utility: |  |  |  |  |  |  |  |  |  |  |
Steam | 20 |  | 22 |  | 20 |  | 22 |  | — |  | —
Other utility | 4 |  | 3 |  | 3 |  | 2 |  | 1 |  | 1
Total Other Utility | 24 |  | 25 |  | 23 |  | 24 |  | 1 |  | 1
Non-Utility and Other: |  |  |  |  |  |  |  |  |  |  |
Travero and other | 48 |  | 45 |  | — |  | — |  | — |  | —
Total Non-Utility and Other | 48 |  | 45 |  | — |  | — |  | — |  | —
Total revenues | $1,925 |  | $1,990 |  | $966 |  | $1,037 |  | $911 |  | $908
WPL [Member] |
Disaggregation of Revenue [Line Items] |
Revenues from Contracts with Customers | REVENUES Disaggregation of revenues from contracts with customers, which correlates to revenues for each reportable segment, was as follows (in millions):
| Alliant Energy |  | IPL |  | WPL
Three Months Ended June 30 | 2024 |  | 2023 |  | 2024 |  | 2023 |  | 2024 |  | 2023
Electric Utility: |  |  |  |  |  |  |  |  |  |  |
Retail - residential | $291 |  | $284 |  | $151 |  | $151 |  | $140 |  | $133
Retail - commercial | 191 |  | 201 |  | 118 |  | 129 |  | 73 |  | 72
Retail - industrial | 237 |  | 245 |  | 118 |  | 130 |  | 119 |  | 115
Wholesale | 43 |  | 49 |  | 13 |  | 14 |  | 30 |  | 35
Bulk power and other | 27 |  | 20 |  | 4 |  | 7 |  | 23 |  | 13
Total Electric Utility | 789 |  | 799 |  | 404 |  | 431 |  | 385 |  | 368
Gas Utility: |  |  |  |  |  |  |  |  |  |  |
Retail - residential | 38 |  | 42 |  | 22 |  | 24 |  | 16 |  | 18
Retail - commercial | 19 |  | 22 |  | 11 |  | 12 |  | 8 |  | 10
Retail - industrial | 2 |  | 3 |  | 1 |  | 2 |  | 1 |  | 1
Transportation/other | 10 |  | 10 |  | 6 |  | 6 |  | 4 |  | 4
Total Gas Utility | 69 |  | 77 |  | 40 |  | 44 |  | 29 |  | 33
Other Utility: |  |  |  |  |  |  |  |  |  |  |
Steam | 9 |  | 11 |  | 9 |  | 11 |  | — |  | —
Other utility | 1 |  | 2 |  | — |  | 1 |  | 1 |  | 1
Total Other Utility | 10 |  | 13 |  | 9 |  | 12 |  | 1 |  | 1
Non-Utility and Other: |  |  |  |  |  |  |  |  |  |  |
Travero and other | 26 |  | 23 |  | — |  | — |  | — |  | —
Total Non-Utility and Other | 26 |  | 23 |  | — |  | — |  | — |  | —
Total revenues | $894 |  | $912 |  | $453 |  | $487 |  | $415 |  | $402
| Alliant Energy |  | IPL |  | WPL
Six Months Ended June 30 | 2024 |  | 2023 |  | 2024 |  | 2023 |  | 2024 |  | 2023
Electric Utility: |  |  |  |  |  |  |  |  |  |  |
Retail - residential | $588 |  | $569 |  | $301 |  | $294 |  | $287 |  | $275
Retail - commercial | 377 |  | 385 |  | 232 |  | 241 |  | 145 |  | 144
Retail - industrial | 460 |  | 460 |  | 229 |  | 236 |  | 231 |  | 224
Wholesale | 89 |  | 95 |  | 26 |  | 26 |  | 63 |  | 69
Bulk power and other | 66 |  | 58 |  | 7 |  | 22 |  | 59 |  | 36
Total Electric Utility | 1,580 |  | 1,567 |  | 795 |  | 819 |  | 785 |  | 748
Gas Utility: |  |  |  |  |  |  |  |  |  |  |
Retail - residential | 165 |  | 210 |  | 90 |  | 117 |  | 75 |  | 93
Retail - commercial | 80 |  | 110 |  | 41 |  | 56 |  | 39 |  | 54
Retail - industrial | 6 |  | 9 |  | 4 |  | 6 |  | 2 |  | 3
Transportation/other | 22 |  | 24 |  | 13 |  | 15 |  | 9 |  | 9
Total Gas Utility | 273 |  | 353 |  | 148 |  | 194 |  | 125 |  | 159
Other Utility: |  |  |  |  |  |  |  |  |  |  |
Steam | 20 |  | 22 |  | 20 |  | 22 |  | — |  | —
Other utility | 4 |  | 3 |  | 3 |  | 2 |  | 1 |  | 1
Total Other Utility | 24 |  | 25 |  | 23 |  | 24 |  | 1 |  | 1
Non-Utility and Other: |  |  |  |  |  |  |  |  |  |  |
Travero and other | 48 |  | 45 |  | — |  | — |  | — |  | —
Total Non-Utility and Other | 48 |  | 45 |  | — |  | — |  | — |  | —
Total revenues | $1,925 |  | $1,990 |  | $966 |  | $1,037 |  | $911 |  | $908

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