ALLIANT ENERGY CORP
For the period ended Dec 31, 2023. Filed Feb 16, 2024.
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FY2023 · Filed Feb 16, 2024
LNT$72.67-1.0%Stored close · as of Nov 6, 2026
Extracted filing text, with the paragraph anchors used by the comparison.
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Gas Operating Information
| Gas Operating Information - Alliant Energy | 2023 | 2022 | 2021 |
|---|---|---|---|
| Revenues (in millions): | |||
| Residential | $316 | $371 | $257 |
| Commercial | 163 | 197 | 139 |
| Industrial | 16 | 20 | 17 |
| Retail subtotal | 495 | 588 | 413 |
| Transportation/other | 45 | 54 | 43 |
| Total | $540 | $642 | $456 |
| Sales (000s Dths): | |||
| Residential | 25,838 | 31,109 | 26,795 |
| Commercial | 18,291 | 21,097 | 18,516 |
| Industrial | 2,276 | 2,815 | 2,868 |
| Retail subtotal | 46,405 | 55,021 | 48,179 |
| Transportation/other | 115,177 | 104,812 | 99,179 |
| Total | 161,582 | 159,833 | 147,358 |
| Retail Customers (End of Period) | 428,143 | 426,153 | 422,864 |
| Other Selected Gas Data: | |||
| Heating degree days (a): | |||
| Cedar Rapids, Iowa (IPL) (normal - 6,699) | 5,807 | 7,222 | 6,539 |
| Madison, Wisconsin (WPL) (normal - 6,974) | 6,157 | 7,210 | 6,620 |
| Revenue per Dth sold to retail customers | $10.67 | $10.69 | $8.57 |
| Purchased gas costs per Dth sold to retail customers | $6.37 | $6.97 | $5.29 |
| Gas Operating Information | IPL | WPL | ||||
|---|---|---|---|---|---|---|
| 2023 | 2022 | 2021 | 2023 | 2022 | 2021 | |
| Revenues (in millions): | ||||||
| Residential | $176 | $202 | $146 | $140 | $169 | $111 |
| Commercial | 86 | 101 | 79 | 77 | 96 | 60 |
| Industrial | 11 | 14 | 12 | 5 | 6 | 5 |
| Retail subtotal | 273 | 317 | 237 | 222 | 271 | 176 |
| Transportation/other | 27 | 34 | 28 | 18 | 20 | 15 |
| Total | $300 | $351 | $265 | $240 | $291 | $191 |
| Sales (000s Dths): | ||||||
| Residential | 13,146 | 16,250 | 13,873 | 12,692 | 14,859 | 12,922 |
| Commercial | 8,477 | 10,257 | 9,065 | 9,814 | 10,840 | 9,451 |
| Industrial | 1,505 | 1,985 | 1,943 | 771 | 830 | 925 |
| Retail subtotal | 23,128 | 28,492 | 24,881 | 23,277 | 26,529 | 23,298 |
| Transportation/other | 43,232 | 43,264 | 40,738 | 71,945 | 61,548 | 58,441 |
| Total | 66,360 | 71,756 | 65,619 | 95,222 | 88,077 | 81,739 |
| Retail Customers (End of Period) | 226,265 | 226,284 | 225,517 | 201,878 | 199,869 | 197,347 |
| Other Selected Gas Data: | ||||||
| Maximum daily winter peak demand (Dth) | 290,922 | 259,474 | 269,335 | 234,796 | 201,980 | 221,256 |
| Heating degree days (a): | ||||||
| Cedar Rapids, Iowa (IPL) (normal - 6,699) | 5,807 | 7,222 | 6,539 | N/A | N/A | N/A |
| Madison, Wisconsin (WPL) (normal - 6,974) | N/A | N/A | N/A | 6,157 | 7,210 | 6,620 |
| Revenue per Dth sold to retail customers | $11.80 | $11.13 | $9.53 | $9.54 | $10.22 | $7.55 |
| Purchased gas cost per Dth sold to retail customers | $7.16 | $7.17 | $5.96 | $5.59 | $6.77 | $4.58 |
(a)Heating degree days are calculated using a simple average of the high and low temperatures each day compared to a 65 degree base. Normal degree days are calculated using a rolling 20-year average of historical heating degree days.
- OTHER UTILITY OPERATIONS - STEAM -IPL’s Prairie Creek facility is the primary source of steam for IPL’s two high-pressure steam customers in Iowa. These customers are each under contract through 2025 for taking minimum quantities of annual steam usage, with certain conditions.
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