ALLIANT ENERGY CORPLNT
時価総額
$18.2億
PER
電力・天然ガス供給を手掛ける持株会社の米国大手。送配電ネットワーク、地域配電、再生可能エネルギー投資を展開。ATC持分16%とATC Holdco持分20%保有、オクラホマ風力を50%出資、23年ATMで約2.23億ドル調達、24年10月に2025年配当を年間2.03ドルへ増額発表の実績。米国中西部中心の展開。
| 2010年 12月31日 | 2011年 12月31日 | 2012年 12月31日 | 2013年 12月31日 | 2014年 12月31日 | 2015年 12月31日 | 2016年 12月31日 | 2017年 12月31日 | 2018年 12月31日 | 2019年 12月31日 | 2020年 12月31日 | 2021年 12月31日 | 2022年 12月31日 | 2023年 12月31日 | 2024年 12月31日 | |
| IPL | - | 2 | 5 | 4 | 5 | 5 | 3 | 4 | 10 | 9 | 50 | 34 | 15 | 53 | 29 |
| WPL | - | 3 | 1 | 1 | 47 | 0 | 4 | 23 | 9 | 4 | 3 | 2 | 5 | 7 | 51 |
| Cash and cash equivalents | 159 | 11 | 21 | 10 | 57 | 6 | 8 | 28 | 21 | 16 | 54 | 39 | 20 | 62 | 81 |
| IPL | - | 75 | 95 | 247 | 217 | 200 | 241 | 265 | 154 | 203 | 210 | 241 | 259 | 242 | 192 |
| WPL | - | 76 | 83 | 73 | 186 | 185 | 226 | 212 | 190 | 191 | 192 | 188 | 244 | 219 | 220 |
| Accounts Receivable, after Allowance for Credit Loss, Current | 121 | 189 | 95 | 82 | 427 | 398 | 493 | 483 | 350 | 402 | 412 | 440 | 516 | 475 | 427 |
| IPL | - | 68 | 75 | 76 | 53 | 60 | 70 | 52 | 45 | 47 | 48 | 29 | 23 | 27 | 30 |
| WPL | - | 34 | 28 | 28 | 31 | 39 | 28 | 20 | 17 | 31 | 18 | 23 | 29 | 35 | 24 |
| Production fuel, at weighted average cost | 123 | 102 | 103 | 104 | 84 | 99 | 98 | 72 | 61 | 78 | 66 | 51 | 53 | 62 | 54 |
| IPL | - | 26 | 17 | 19 | 31 | 18 | 16 | 20 | 26 | 22 | 20 | 40 | 60 | 35 | 25 |
| WPL | - | 32 | 21 | 20 | 36 | 25 | 21 | 24 | 23 | 27 | 26 | 42 | 73 | 44 | 30 |
| Gas stored underground, at weighted average cost | 49 | 58 | 38 | 39 | 67 | 43 | 38 | 45 | 49 | 49 | 46 | 82 | 132 | 79 | 55 |
| IPL | - | 32 | 33 | 39 | 42 | 46 | 47 | 61 | 55 | 55 | 63 | 70 | 83 | 122 | 113 |
| WPL | - | 26 | 29 | 29 | 29 | 34 | 36 | 42 | 43 | 43 | 40 | 41 | 54 | 77 | 69 |
| Inventory, Raw Materials and Supplies, Gross | 62 | 59 | 63 | 70 | 73 | 81 | 87 | 106 | 101 | 101 | 105 | 113 | 140 | 202 | 186 |
| IPL | - | 59 | 48 | 29 | 39 | 40 | 18 | 42 | 39 | 44 | 52 | 73 | 85 | 93 | 77 |
| WPL | - | 45 | 36 | 25 | 29 | 81 | 40 | 42 | 41 | 43 | 29 | 31 | 81 | 139 | 133 |
| Regulatory assets | 109 | 104 | 84 | 54 | 68 | 120 | 58 | 84 | 80 | 86 | 81 | 104 | 166 | 232 | 210 |
| Prepaid Taxes | - | 40 | 40 | 41 | 38 | 39 | 40 | 41 | 42 | 42 | 42 | 40 | 42 | 49 | 51 |
| IPL | - | 34 | 25 | 35 | 65 | 28 | 28 | 32 | 43 | 30 | 27 | 69 | 93 | 51 | 43 |
| WPL | - | 16 | 16 | 18 | 23 | 21 | 21 | 13 | 21 | 62 | 12 | 86 | 60 | 43 | 57 |
| Other | 111 | 154 | 43 | 85 | 117 | 80 | 96 | 88 | 80 | 102 | 123 | 240 | 223 | 160 | 171 |
| IPL | - | 323 | 392 | 536 | 556 | 396 | 423 | 476 | 372 | 409 | 496 | 564 | 618 | 623 | 509 |
| WPL | - | 386 | 469 | 403 | 457 | 424 | 417 | 419 | 385 | 443 | 362 | 453 | 588 | 613 | 635 |
| Total current assets | 1,093 | 867 | 994 | 1,011 | 1,043 | 827 | 877 | 905 | 785 | 876 | 887 | 1,069 | 1,250 | 1,272 | 1,184 |
| IPL | - | 3,676 | 3,858 | 4,137 | 4,555 | 4,925 | 5,436 | 5,926 | 6,782 | 7,481 | 7,889 | 7,983 | 8,046 | 8,298 | 9,336 |
| WPL | - | 3,022 | 3,601 | 3,782 | 3,939 | 4,104 | 4,427 | 4,918 | 5,287 | 5,638 | 6,022 | 6,538 | 7,722 | 8,415 | 8,861 |
| Property, plant and equipment, net | 6,731 | 7,037 | 7,838 | 8,327 | 8,938 | 9,519 | 10,279 | 11,235 | 12,462 | 13,527 | 14,336 | 14,987 | 16,247 | 17,157 | 18,701 |
| ATC Holdings | - | 239 | 257 | 272 | 287 | 293 | - | - | - | - | - | - | - | - | - |
| WPL | - | - | - | - | - | - | 14 | - | - | - | - | - | - | - | - |
| Other | - | - | - | - | - | - | 20 | 122 | 138 | 148 | 154 | 179 | 201 | 216 | 224 |
| IPL | - | 17 | 18 | 19 | 19 | 20 | 1 | - | - | - | - | - | - | - | - |
| WPL | - | 259 | 277 | 292 | 306 | 309 | 14 | - | - | - | - | - | - | - | - |
| Total investments | 289 | 301 | 319 | 330 | 345 | 346 | 338 | 396 | 431 | 468 | 485 | 517 | 559 | 602 | 639 |
| IPL | - | 1,058 | 1,170 | 1,085 | 1,319 | 1,363 | 1,441 | 1,190 | 1,240 | 1,356 | 1,431 | 1,370 | 1,301 | 1,484 | 1,509 |
| WPL | - | 333 | 359 | 274 | 396 | 425 | 416 | 393 | 418 | 403 | 498 | 466 | 579 | 545 | 555 |
| Regulatory assets | 1,033 | 1,391 | 1,529 | 1,359 | 1,716 | 1,788 | 1,857 | 1,582 | 1,658 | 1,758 | 1,929 | 1,836 | 1,880 | 2,029 | 2,064 |
| IPL | - | - | - | - | - | - | - | - | - | - | 33 | 79 | 110 | 84 | 53 |
| WPL | - | - | - | - | - | - | - | - | - | - | 30 | 61 | 98 | 61 | 55 |
| Deferred charges and other | - | - | - | - | - | - | - | - | - | - | 73 | 144 | 227 | 177 | 126 |
| IPL | - | 19 | 19 | 30 | 13 | 5 | 5 | 14 | 18 | 32 | 1,464 | 1,449 | 1,411 | 1,568 | 1,562 |
| WPL | - | 45 | 58 | 54 | 30 | 9 | 17 | 27 | 63 | 23 | 528 | 527 | 677 | 606 | 610 |
| Total other assets | 138 | 92 | 105 | 86 | 44 | 15 | 23 | 70 | 90 | 72 | 2,002 | 1,980 | 2,107 | 2,206 | 2,190 |
| IPL | - | 5,094 | 5,457 | 5,806 | 6,462 | 6,709 | 7,305 | 7,606 | 8,411 | 9,278 | 9,849 | 9,996 | 10,075 | 10,489 | 11,407 |
| WPL | - | 4,044 | 4,763 | 4,804 | 5,128 | 5,270 | 5,290 | 5,757 | 6,153 | 6,507 | 6,912 | 7,518 | 8,987 | 9,634 | 10,106 |
| Total assets | 9,283 | 9,688 | 10,786 | 11,112 | 12,086 | 12,495 | 13,374 | 14,188 | 15,426 | 16,701 | 17,710 | 18,553 | 20,163 | 21,237 | 22,714 |
| IPL | - | - | - | 38 | 150 | - | - | 350 | - | 200 | - | - | - | 500 | 300 |
| WPL | - | - | - | 9 | 31 | - | - | - | 250 | 150 | - | 250 | - | - | - |
| Long-Term Debt, Current Maturities | 1 | 1 | 2 | 359 | 183 | 313 | 5 | 856 | 257 | 657 | 8 | 633 | 408 | 809 | 1,171 |
| IPL | - | 7 | 50 | - | - | - | - | - | 50 | - | - | - | - | - | 50 |
| WPL | - | 26 | 87 | 184 | - | 20 | 52 | 25 | 106 | 168 | 257 | 236 | 290 | 318 | 183 |
| Commercial paper | 47 | 103 | 218 | 279 | 141 | 160 | 244 | 320 | 441 | 337 | 389 | 515 | 642 | 475 | 558 |
| IPL | - | 118 | 163 | 187 | 260 | 197 | 186 | 220 | 305 | 207 | 162 | 173 | 239 | 262 | 263 |
| WPL | - | 99 | 126 | 120 | 113 | 136 | 193 | 202 | 181 | 160 | 154 | 190 | 456 | 293 | 209 |
| Accounts payable | 336 | 308 | 339 | 365 | 428 | 402 | 445 | 477 | 543 | 422 | 377 | 436 | 756 | 611 | 532 |
| Accounts Payable, Other, Current | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 47 |
| IPL | - | 44 | 47 | 51 | 45 | 68 | 54 | 47 | 46 | 63 | 54 | 56 | 52 | 50 | 77 |
| WPL | - | - | 28 | 1 | - | - | - | - | - | - | - | - | - | - | - |
| Accrued taxes | 45 | 48 | 48 | 50 | - | - | 60 | - | - | - | 67 | 58 | - | - | - |
| IPL | - | 23 | 23 | - | - | 28 | 32 | - | 31 | 37 | 34 | 36 | 35 | 40 | 48 |
| WPL | - | 22 | 22 | 22 | 24 | 24 | 24 | 26 | 26 | - | - | - | - | 40 | 44 |
| Accrued interest | 47 | 47 | 48 | 51 | - | - | - | - | - | - | - | - | - | - | - |
| IPL | - | 137 | 130 | 144 | 130 | 131 | 150 | 70 | 90 | 116 | 103 | 84 | 114 | 72 | 54 |
| WPL | - | 28 | 60 | 53 | 70 | 56 | 37 | 70 | 53 | 96 | 146 | 102 | 92 | 35 | 15 |
| Regulatory liabilities | 174 | 165 | 190 | 197 | 200 | 187 | 186 | 140 | 143 | 212 | 249 | 186 | 206 | 107 | 69 |
| IPL | - | 32 | 36 | 75 | 90 | 70 | 57 | 91 | 56 | 208 | 49 | 67 | 113 | 101 | 89 |
| WPL | - | 32 | 32 | 37 | 47 | 80 | 55 | 51 | 48 | 74 | 82 | 73 | 111 | 89 | 94 |
| Other | 160 | 128 | 114 | 133 | 262 | 297 | 222 | 261 | 260 | 425 | 207 | 226 | 351 | 302 | 385 |
| IPL | - | 423 | 469 | 524 | 706 | 531 | 522 | 828 | 607 | 831 | 447 | 455 | 581 | 1,025 | 928 |
| WPL | - | 258 | 386 | 452 | 310 | 337 | 395 | 396 | 695 | 690 | 674 | 890 | 949 | 775 | 545 |
| Total current liabilities | 867 | 855 | 1,020 | 1,433 | 1,215 | 1,359 | 1,162 | 2,149 | 1,644 | 2,054 | 1,297 | 2,054 | 2,363 | 2,304 | 2,715 |
| IPL | - | 1,309 | 1,360 | 1,520 | 1,619 | 1,857 | 2,154 | 2,056 | 2,552 | 2,947 | 3,345 | 3,643 | 3,646 | 3,445 | 3,790 |
| WPL | - | 1,082 | 1,332 | 1,324 | 1,543 | 1,534 | 1,535 | 1,833 | 1,585 | 1,783 | 2,130 | 2,179 | 2,770 | 3,070 | 3,370 |
| Long-Term Debt, Excluding Current Maturities | 2,703 | 2,703 | 3,137 | 2,978 | 3,607 | 3,522 | 4,316 | 4,011 | 5,246 | 5,533 | 6,769 | 6,735 | 7,668 | 8,225 | 8,677 |
| IPL | - | - | - | - | - | - | - | - | - | - | 1,035 | 1,083 | 1,047 | 1,091 | 1,179 |
| WPL | - | - | - | - | - | - | - | - | - | - | 702 | 753 | 789 | 827 | 865 |
| Deferred tax liabilities | - | - | - | - | - | - | - | - | - | - | 1,814 | 1,927 | 1,943 | 2,042 | 2,188 |
| IPL | - | 584 | 571 | 471 | 454 | 358 | 281 | 686 | 665 | 599 | 573 | 607 | 640 | 572 | 492 |
| WPL | - | 161 | 155 | 154 | 167 | 192 | 214 | 672 | 686 | 613 | 484 | 478 | 478 | 451 | 467 |
| Regulatory liabilities | 626 | 745 | 726 | 625 | 621 | 551 | 495 | 1,357 | 1,351 | 1,212 | 1,057 | 1,085 | 1,118 | 1,023 | 959 |
| IPL | - | 102 | 123 | 49 | 142 | 160 | 173 | 174 | 178 | 168 | 186 | 127 | 62 | 51 | 46 |
| WPL | - | 128 | 160 | 88 | 180 | 189 | 208 | 214 | 218 | 211 | 222 | 159 | 140 | 121 | 102 |
| Pension and other benefit obligations | 304 | 313 | 364 | 207 | 422 | 452 | 490 | 504 | 509 | 484 | 511 | 374 | 277 | 249 | 224 |
| IPL | - | 200 | 183 | 169 | 186 | 229 | 214 | 242 | 221 | 253 | 299 | 312 | 291 | 331 | 511 |
| WPL | - | 137 | 145 | 153 | 155 | 162 | 159 | 168 | 178 | 169 | 180 | 236 | 370 | 493 | 656 |
| Other | 209 | 260 | 263 | 274 | 260 | 306 | 279 | 306 | 287 | 299 | 374 | 388 | 518 | 617 | 947 |
| IPL | - | - | - | - | 2,123 | 2,126 | 2,180 | 2,013 | 2,021 | 2,028 | 2,093 | 2,129 | 2,040 | 2,045 | 2,228 |
| WPL | - | - | - | - | 1,562 | 1,637 | 1,630 | 1,645 | 1,724 | 1,670 | 1,630 | 1,626 | 1,777 | 1,892 | 2,090 |
| Total other liabilities | - | - | - | - | 3,624 | 3,690 | 3,834 | 3,646 | 3,750 | 3,709 | 3,756 | 3,774 | 3,856 | 3,931 | 4,318 |
| IPL | - | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 |
| WPL | - | 66 | 66 | 66 | 66 | 66 | 66 | 66 | 66 | 66 | 66 | 66 | 66 | 66 | 66 |
| Common stock | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 2 | 3 | 3 | 3 | 3 |
| IPL | - | 928 | 1,038 | 1,153 | 1,243 | 1,408 | 1,598 | 1,798 | 2,223 | 2,348 | 2,752 | 2,807 | 2,807 | 2,887 | 3,212 |
| WPL | - | 869 | 959 | 959 | 959 | 959 | 1,019 | 1,109 | 1,309 | 1,434 | 1,459 | 1,704 | 2,233 | 2,478 | 2,533 |
| Additional paid-in capital | 1,507 | 1,511 | 1,511 | 1,508 | 1,509 | 1,663 | 1,693 | 1,846 | 2,046 | 2,446 | 2,704 | 2,749 | 2,777 | 3,030 | 3,060 |
| IPL | - | 433 | 448 | 494 | 538 | 585 | 618 | 679 | 775 | 891 | 979 | 929 | 968 | 1,054 | 1,216 |
| WPL | - | 507 | 558 | 617 | 679 | 731 | 646 | 706 | 774 | 863 | 953 | 1,053 | 1,192 | 1,353 | 1,502 |
| Retained earnings | 1,395 | 1,510 | 1,631 | 1,781 | 1,938 | 2,069 | 2,177 | 2,346 | 2,546 | 2,765 | 2,994 | 3,250 | 3,509 | 3,756 | 3,954 |
| Accumulated other comprehensive income | -1 | -1 | -1 | -0 | -1 | -0 | -0 | -0 | 2 | 1 | -1 | - | - | 1 | 1 |
| Shares in deferred compensation trust - 372,116 and 379,006 shares at a weighted average cost of $36.56 and $34.48 per share | 8 | 8 | 7 | 8 | 9 | 9 | 10 | 11 | 10 | 10 | 11 | 12 | 13 | 13 | 14 |
| IPL | - | 1,394 | 1,519 | 1,680 | 1,814 | 2,027 | 2,249 | 2,510 | 3,031 | 3,272 | 3,764 | 3,769 | 3,808 | 3,974 | 4,461 |
| WPL | - | 1,442 | 1,583 | 1,642 | 1,704 | 1,756 | 1,731 | 1,882 | 2,150 | 2,364 | 2,478 | 2,823 | 3,491 | 3,897 | 4,101 |
| Total common equity | 3,079 | 3,160 | 3,282 | 3,483 | 3,641 | 3,924 | 4,062 | 4,382 | 4,786 | 5,405 | 5,888 | 5,990 | 6,276 | 6,777 | 7,004 |
| IPL | - | 5,094 | 5,457 | 5,806 | 6,462 | 6,709 | 7,305 | 7,606 | 8,411 | 9,278 | 9,849 | 9,996 | 10,075 | 10,489 | 11,407 |
| WPL | - | 4,044 | 4,763 | 4,804 | 5,128 | 5,270 | 5,290 | 5,757 | 6,153 | 6,507 | 6,912 | 7,518 | 8,987 | 9,634 | 10,106 |
| Total liabilities and equity | 9,283 | 9,688 | 10,786 | 11,112 | 12,086 | 12,495 | 13,374 | 14,188 | 15,426 | 16,701 | 17,710 | 18,553 | 20,163 | 21,237 | 22,714 |