Otter Tail Corporation
Plan context: Otter Tail Corporation Retirement Savings Plan
EIN 27-0383995 • Fergus Falls, MN • 94 filings • 8 plans
Current Snapshot
Latest Year
2024
2024 Participants
2,405
2024 Assets
$782,787,244
2024 Contributions
$28,354,112
Historical Graphs
Total Assets Over Time
Aggregate end-of-year assets by filing year, excluding zero-asset years
Participants Over Time
Largest reported end-of-year plan headcount by filing year, used to avoid double-counting participants across overlapping plans
Company Timeline
Year summaries and individual filings are combined here so you can stay in one place while moving across years and plan filings.
| Year / Filing | Filings | Participants | Assets | Contributions | Contrib./Participant |
|---|---|---|---|---|---|
| 2024 | 6 | 2,405 | $782,787,244 | $28,354,112 | $11,790iApproximate average salary by contribution assumption: employee only about $294,741 at 4% or $196,494 at 6%; with 50% employer match about $196,494 at 4% or $130,996 at 6%; with 100% employer match about $147,371 at 4% or $98,247 at 6%. |
| Otter Tail Corporation Retirement Savings Plan | - | 2,338 | $411,073,574 | $28,088,888 | $12,014iApproximate average salary by contribution assumption: employee only about $300,352 at 4% or $200,234 at 6%; with 50% employer match about $200,234 at 4% or $133,490 at 6%; with 100% employer match about $150,176 at 4% or $100,117 at 6%. |
| Otter Tail Corporation Pension Plan | - | 280 | $328,824,434 | - | - |
| Otter Tail Corporation Employee Stock Ownership Plan | - | 821 | $42,889,236 | $265,224 | $323iApproximate average salary by contribution assumption: employee only about $8,076 at 4% or $5,384 at 6%; with 50% employer match about $5,384 at 4% or $3,589 at 6%; with 100% employer match about $4,038 at 4% or $2,692 at 6%. |
| Otter Tail Corporation Comprehensive Welfare Benefit Plan | - | 1,854 | - | - | - |
| Otter Tail Corporation Retiree Welfare Benefit Plan | - | 0 | - | - | - |
| Otter Tail Corporation Special Risk Insurance | - | 2,405 | - | - | - |
| 2023 | 6 | 2,722 | $760,322,171 | $27,888,116 | $10,245iApproximate average salary by contribution assumption: employee only about $256,136 at 4% or $170,758 at 6%; with 50% employer match about $170,758 at 4% or $113,838 at 6%; with 100% employer match about $128,068 at 4% or $85,379 at 6%. |
| Otter Tail Corporation Retirement Savings Plan | - | 2,719 | $371,532,743 | $27,602,596 | $10,152iApproximate average salary by contribution assumption: employee only about $253,794 at 4% or $169,196 at 6%; with 50% employer match about $169,196 at 4% or $112,797 at 6%; with 100% employer match about $126,897 at 4% or $84,598 at 6%. |
| Otter Tail Corporation Pension Plan | - | 311 | $331,964,251 | - | - |
| Otter Tail Corporation Employee Stock Ownership Plan | - | 811 | $56,825,177 | $285,520 | $352iApproximate average salary by contribution assumption: employee only about $8,801 at 4% or $5,868 at 6%; with 50% employer match about $5,868 at 4% or $3,912 at 6%; with 100% employer match about $4,401 at 4% or $2,934 at 6%. |
| Otter Tail Corporation Special Risk Insurance | - | 2,722 | - | - | - |
| Otter Tail Corporation Retiree Welfare Benefit Plan | - | 0 | - | - | - |
| Otter Tail Corporation Comprehensive Welfare Benefit Plan | - | 2,052 | - | - | - |
| 2022 | 6 | 2,485 | $682,728,803 | $25,135,727 | $10,115iApproximate average salary by contribution assumption: employee only about $252,875 at 4% or $168,583 at 6%; with 50% employer match about $168,583 at 4% or $112,389 at 6%; with 100% employer match about $126,437 at 4% or $84,292 at 6%. |
| Otter Tail Corporation Retirement Savings Plan | - | 2,473 | $323,152,263 | $24,835,881 | $10,043iApproximate average salary by contribution assumption: employee only about $251,070 at 4% or $167,380 at 6%; with 50% employer match about $167,380 at 4% or $111,587 at 6%; with 100% employer match about $125,535 at 4% or $83,690 at 6%. |
| Otter Tail Corporation Pension Plan | - | 343 | $315,223,261 | - | - |
| Otter Tail Corporation Employee Stock Ownership Plan | - | 751 | $44,353,279 | $299,846 | $399iApproximate average salary by contribution assumption: employee only about $9,982 at 4% or $6,654 at 6%; with 50% employer match about $6,654 at 4% or $4,436 at 6%; with 100% employer match about $4,991 at 4% or $3,327 at 6%. |
| Otter Tail Corporation Retiree Welfare Benefit Plan | - | 0 | - | - | - |
| Otter Tail Corporation Special Risk Insurance | - | 2,485 | - | - | - |
| Otter Tail Corporation Comprehensive Welfare Benefit Plan | - | 1,865 | - | - | - |
| 2021 | 6 | 2,533 | $852,460,271 | $43,852,916 | $17,313iApproximate average salary by contribution assumption: employee only about $432,816 at 4% or $288,544 at 6%; with 50% employer match about $288,544 at 4% or $192,363 at 6%; with 100% employer match about $216,408 at 4% or $144,272 at 6%. |
| Otter Tail Corporation Pension Plan | - | 365 | $408,613,241 | $20,000,000 | $54,795iApproximate average salary by contribution assumption: employee only about $1,369,863 at 4% or $913,242 at 6%; with 50% employer match about $913,242 at 4% or $608,828 at 6%; with 100% employer match about $684,932 at 4% or $456,621 at 6%. |
| Otter Tail Corporation Retirement Savings Plan | - | 2,510 | $385,486,351 | $23,514,341 | $9,368iApproximate average salary by contribution assumption: employee only about $234,207 at 4% or $156,138 at 6%; with 50% employer match about $156,138 at 4% or $104,092 at 6%; with 100% employer match about $117,103 at 4% or $78,069 at 6%. |
| Otter Tail Corporation Employee Stock Ownership Plan | - | 745 | $58,360,679 | $338,575 | $454iApproximate average salary by contribution assumption: employee only about $11,362 at 4% or $7,574 at 6%; with 50% employer match about $7,574 at 4% or $5,050 at 6%; with 100% employer match about $5,681 at 4% or $3,787 at 6%. |
| Otter Tail Corporation Special Risk Insurance | - | 2,533 | - | - | - |
| Otter Tail Corporation Comprehensive Welfare Benefit Plan | - | 1,929 | - | - | - |
| Otter Tail Corporation Retiree Welfare Benefit Plan | - | 0 | - | - | - |
| 2020 | 6 | 2,222 | $753,076,922 | $29,057,013 | $13,077iApproximate average salary by contribution assumption: employee only about $326,924 at 4% or $217,949 at 6%; with 50% employer match about $217,949 at 4% or $145,300 at 6%; with 100% employer match about $163,462 at 4% or $108,975 at 6%. |
| Otter Tail Corporation Pension Plan | - | 407 | $371,996,114 | $10,000,000 | $24,570iApproximate average salary by contribution assumption: employee only about $614,251 at 4% or $409,500 at 6%; with 50% employer match about $409,500 at 4% or $273,000 at 6%; with 100% employer match about $307,125 at 4% or $204,750 at 6%. |
| Otter Tail Corporation Retirement Savings Plan | - | 2,149 | $341,522,308 | $18,722,019 | $8,712iApproximate average salary by contribution assumption: employee only about $217,799 at 4% or $145,199 at 6%; with 50% employer match about $145,199 at 4% or $96,800 at 6%; with 100% employer match about $108,900 at 4% or $72,600 at 6%. |
| Otter Tail Corporation Employee Stock Ownership Plan | - | 738 | $39,558,500 | $334,994 | $454iApproximate average salary by contribution assumption: employee only about $11,348 at 4% or $7,565 at 6%; with 50% employer match about $7,565 at 4% or $5,044 at 6%; with 100% employer match about $5,674 at 4% or $3,783 at 6%. |
| Otter Tail Corporation Comprehensive Welfare Benefit Plan | - | 1,741 | - | - | - |
| Otter Tail Corporation Retiree Welfare Benefit Plan | - | 0 | - | - | - |
| Otter Tail Corporation Special Risk Insurance | - | 2,222 | - | - | - |
| 2019 | 6 | 2,360 | $689,046,569 | $29,802,699 | $12,628iApproximate average salary by contribution assumption: employee only about $315,707 at 4% or $210,471 at 6%; with 50% employer match about $210,471 at 4% or $140,314 at 6%; with 100% employer match about $157,853 at 4% or $105,236 at 6%. |
| Otter Tail Corporation Pension Plan | - | 439 | $342,652,072 | $11,200,000 | $25,513iApproximate average salary by contribution assumption: employee only about $637,813 at 4% or $425,209 at 6%; with 50% employer match about $425,209 at 4% or $283,473 at 6%; with 100% employer match about $318,907 at 4% or $212,604 at 6%. |
| Otter Tail Corporation Retirement Savings Plan | - | 2,347 | $297,042,282 | $18,274,410 | $7,786iApproximate average salary by contribution assumption: employee only about $194,657 at 4% or $129,771 at 6%; with 50% employer match about $129,771 at 4% or $86,514 at 6%; with 100% employer match about $97,329 at 4% or $64,886 at 6%. |
| Otter Tail Corporation Employee Stock Ownership Plan | - | 711 | $49,352,215 | $328,289 | $462iApproximate average salary by contribution assumption: employee only about $11,543 at 4% or $7,695 at 6%; with 50% employer match about $7,695 at 4% or $5,130 at 6%; with 100% employer match about $5,772 at 4% or $3,848 at 6%. |
| Otter Tail Corporation Special Risk Insurance | - | 2,360 | - | - | - |
| Otter Tail Corporation Comprehensive Welfare Benefit Plan | - | 1,881 | - | - | - |
| Otter Tail Corporation Retiree Welfare Benefit Plan | - | 0 | - | - | - |
| 2018 | 6 | 2,444 | $594,981,301 | $39,976,609 | $16,357iApproximate average salary by contribution assumption: employee only about $408,926 at 4% or $272,617 at 6%; with 50% employer match about $272,617 at 4% or $181,745 at 6%; with 100% employer match about $204,463 at 4% or $136,309 at 6%. |
| Otter Tail Corporation Pension Plan | - | 478 | $293,487,127 | $22,500,000 | $47,071iApproximate average salary by contribution assumption: employee only about $1,176,778 at 4% or $784,519 at 6%; with 50% employer match about $784,519 at 4% or $523,013 at 6%; with 100% employer match about $588,389 at 4% or $392,259 at 6%. |
| Otter Tail Corporation Retirement Savings Plan | - | 2,444 | $246,633,316 | $17,129,150 | $7,009iApproximate average salary by contribution assumption: employee only about $175,216 at 4% or $116,811 at 6%; with 50% employer match about $116,811 at 4% or $77,874 at 6%; with 100% employer match about $87,608 at 4% or $58,405 at 6%. |
| Otter Tail Corporation Employee Stock Ownership Plan | - | 727 | $54,860,858 | $347,459 | $478iApproximate average salary by contribution assumption: employee only about $11,948 at 4% or $7,966 at 6%; with 50% employer match about $7,966 at 4% or $5,310 at 6%; with 100% employer match about $5,974 at 4% or $3,983 at 6%. |
| Otter Tail Corporation Comprehensive Welfare Benefit Plan | - | 2,419 | - | - | - |
| Otter Tail Corporation Retiree Welfare Benefit Plan | - | 0 | - | - | - |
| Otter Tail Corporation Special Risk Insurance | - | 2,434 | - | - | - |
| 2017 | 6 | 2,243 | $629,953,086 | $36,869,592 | $16,438iApproximate average salary by contribution assumption: employee only about $410,941 at 4% or $273,960 at 6%; with 50% employer match about $273,960 at 4% or $182,640 at 6%; with 100% employer match about $205,470 at 4% or $136,980 at 6%. |
| Otter Tail Corporation Pension Plan | - | 519 | $307,022,482 | $20,000,000 | $38,536iApproximate average salary by contribution assumption: employee only about $963,391 at 4% or $642,261 at 6%; with 50% employer match about $642,261 at 4% or $428,174 at 6%; with 100% employer match about $481,696 at 4% or $321,130 at 6%. |
| Otter Tail Corporation Retirement Savings Plan | - | 2,243 | $269,830,456 | $16,306,225 | $7,270iApproximate average salary by contribution assumption: employee only about $181,746 at 4% or $121,164 at 6%; with 50% employer match about $121,164 at 4% or $80,776 at 6%; with 100% employer match about $90,873 at 4% or $60,582 at 6%. |
| Otter Tail Corporation Employee Stock Ownership Plan | - | 733 | $53,100,148 | $563,367 | $769iApproximate average salary by contribution assumption: employee only about $19,214 at 4% or $12,810 at 6%; with 50% employer match about $12,810 at 4% or $8,540 at 6%; with 100% employer match about $9,607 at 4% or $6,405 at 6%. |
| Otter Tail Corporation Special Risk Insurance | - | 2,229 | - | - | - |
| Otter Tail Corporation Comprehensive Welfare Benefit Plan | - | 2,192 | - | - | - |
| Otter Tail Corporation Retiree Welfare Benefit Plan | - | 0 | - | - | - |
| 2016 | 6 | 2,179 | $539,463,900 | $15,832,425 | $7,266iApproximate average salary by contribution assumption: employee only about $181,648 at 4% or $121,099 at 6%; with 50% employer match about $121,099 at 4% or $80,732 at 6%; with 100% employer match about $90,824 at 4% or $60,549 at 6%. |
| Otter Tail Corporation Pension Plan | - | 542 | $255,438,359 | - | - |
| Otter Tail Corporation Retirement Savings Plan | - | 2,178 | $232,440,868 | $15,227,193 | $6,991iApproximate average salary by contribution assumption: employee only about $174,784 at 4% or $116,523 at 6%; with 50% employer match about $116,523 at 4% or $77,682 at 6%; with 100% employer match about $87,392 at 4% or $58,261 at 6%. |
| Otter Tail Corporation Employee Stock Ownership Plan | - | 713 | $51,584,673 | $605,232 | $849iApproximate average salary by contribution assumption: employee only about $21,221 at 4% or $14,148 at 6%; with 50% employer match about $14,148 at 4% or $9,432 at 6%; with 100% employer match about $10,611 at 4% or $7,074 at 6%. |
| Otter Tail Corporation Special Risk Insurance | - | 2,179 | - | - | - |
| Otter Tail Corporation Comprehensive Welfare Benefit Plan | - | 1,961 | - | - | - |
| Otter Tail Corporation Retiree Welfare Benefit Plan | - | 0 | - | - | - |
| 2015 | 6 | 2,188 | $500,449,777 | $24,446,850 | $11,173iApproximate average salary by contribution assumption: employee only about $279,329 at 4% or $186,219 at 6%; with 50% employer match about $186,219 at 4% or $124,146 at 6%; with 100% employer match about $139,664 at 4% or $93,110 at 6%. |
| Otter Tail Corporation Pension Plan | - | 581 | $244,635,639 | $10,000,000 | $17,212iApproximate average salary by contribution assumption: employee only about $430,293 at 4% or $286,862 at 6%; with 50% employer match about $286,862 at 4% or $191,241 at 6%; with 100% employer match about $215,146 at 4% or $143,431 at 6%. |
| Otter Tail Corporation Retirement Savings Plan | - | 2,188 | $219,432,029 | $13,812,081 | $6,313iApproximate average salary by contribution assumption: employee only about $157,816 at 4% or $105,211 at 6%; with 50% employer match about $105,211 at 4% or $70,141 at 6%; with 100% employer match about $78,908 at 4% or $52,605 at 6%. |
| Otter Tail Corporation Employee Stock Ownership Plan | - | 717 | $36,382,109 | $634,769 | $885iApproximate average salary by contribution assumption: employee only about $22,133 at 4% or $14,755 at 6%; with 50% employer match about $14,755 at 4% or $9,837 at 6%; with 100% employer match about $11,066 at 4% or $7,378 at 6%. |
| Otter Tail Corporation Special Risk Insurance | - | 2,167 | - | - | - |
| Otter Tail Corporation Comprehensive Welfare Benefit Plan | - | 1,865 | - | - | - |
| Otter Tail Corporation Retiree Welfare Benefit Plan | - | 0 | - | - | - |
| 2014 | 6 | 2,572 | $533,848,802 | $24,574,297 | $9,555iApproximate average salary by contribution assumption: employee only about $238,864 at 4% or $159,242 at 6%; with 50% employer match about $159,242 at 4% or $106,162 at 6%; with 100% employer match about $119,432 at 4% or $79,621 at 6%. |
| Otter Tail Corporation Pension Plan | - | 624 | $255,970,221 | $10,000,000 | $16,026iApproximate average salary by contribution assumption: employee only about $400,641 at 4% or $267,094 at 6%; with 50% employer match about $267,094 at 4% or $178,063 at 6%; with 100% employer match about $200,321 at 4% or $133,547 at 6%. |
| Otter Tail Corporation Retirement Savings Plan | - | 2,218 | $232,639,729 | $13,919,888 | $6,276iApproximate average salary by contribution assumption: employee only about $156,897 at 4% or $104,598 at 6%; with 50% employer match about $104,598 at 4% or $69,732 at 6%; with 100% employer match about $78,448 at 4% or $52,299 at 6%. |
| Otter Tail Corporation Employee Stock Ownership Plan | - | 722 | $45,238,852 | $654,409 | $906iApproximate average salary by contribution assumption: employee only about $22,660 at 4% or $15,106 at 6%; with 50% employer match about $15,106 at 4% or $10,071 at 6%; with 100% employer match about $11,330 at 4% or $7,553 at 6%. |
| Otter Tail Corporation Retiree Welfare Benefit Plan | - | 0 | - | - | - |
| Otter Tail Corporation Comprehensive Welfare Benefit Plan | - | 2,572 | - | - | - |
| Otter Tail Corporation Special Risk Insurance | - | 2,554 | - | - | - |
| 2013 | 6 | 2,242 | $500,849,922 | $33,086,653 | $14,758iApproximate average salary by contribution assumption: employee only about $368,941 at 4% or $245,961 at 6%; with 50% employer match about $245,961 at 4% or $163,974 at 6%; with 100% employer match about $184,471 at 4% or $122,980 at 6%. |
| Otter Tail Corporation Pension Plan | - | 674 | $234,497,513 | $20,000,000 | $29,674iApproximate average salary by contribution assumption: employee only about $741,840 at 4% or $494,560 at 6%; with 50% employer match about $494,560 at 4% or $329,707 at 6%; with 100% employer match about $370,920 at 4% or $247,280 at 6%. |
| Otter Tail Corporation Retirement Savings Plan | - | 2,242 | $222,236,577 | $12,423,687 | $5,541iApproximate average salary by contribution assumption: employee only about $138,534 at 4% or $92,356 at 6%; with 50% employer match about $92,356 at 4% or $61,570 at 6%; with 100% employer match about $69,267 at 4% or $46,178 at 6%. |
| Otter Tail Corporation Employee Stock Ownership Plan | - | 737 | $44,115,832 | $662,966 | $900iApproximate average salary by contribution assumption: employee only about $22,489 at 4% or $14,992 at 6%; with 50% employer match about $14,992 at 4% or $9,995 at 6%; with 100% employer match about $11,244 at 4% or $7,496 at 6%. |
| Otter Tail Corporation Retiree Welfare Benefit Plan | - | 0 | - | - | - |
| Otter Tail Corporation Comprehensive Welfare Benefit Plan | - | 2,041 | - | - | - |
| Otter Tail Corporation Special Risk Insurance | - | 429 | - | - | - |
| 2012 | 6 | 2,569 | $428,530,403 | $23,672,911 | $9,215iApproximate average salary by contribution assumption: employee only about $230,371 at 4% or $153,581 at 6%; with 50% employer match about $153,581 at 4% or $102,387 at 6%; with 100% employer match about $115,185 at 4% or $76,790 at 6%. |
| Otter Tail Corporation Pension Plan | - | 685 | $202,119,914 | $10,000,000 | $14,599iApproximate average salary by contribution assumption: employee only about $364,964 at 4% or $243,309 at 6%; with 50% employer match about $243,309 at 4% or $162,206 at 6%; with 100% employer match about $182,482 at 4% or $121,655 at 6%. |
| Otter Tail Corporation Retirement Savings Plan | - | 2,340 | $186,950,439 | $12,937,911 | $5,529iApproximate average salary by contribution assumption: employee only about $138,226 at 4% or $92,150 at 6%; with 50% employer match about $92,150 at 4% or $61,434 at 6%; with 100% employer match about $69,113 at 4% or $46,075 at 6%. |
| Otter Tail Corporation Employee Stock Ownership Plan | - | 743 | $39,460,050 | $735,000 | $989iApproximate average salary by contribution assumption: employee only about $24,731 at 4% or $16,487 at 6%; with 50% employer match about $16,487 at 4% or $10,991 at 6%; with 100% employer match about $12,365 at 4% or $8,244 at 6%. |
| Otter Tail Corporation Comprehensive Welfare Benefit Plan | - | 2,569 | - | - | - |
| Otter Tail Corporation Retiree Welfare Benefit Plan | - | 0 | - | - | - |
| Otter Tail Corporation Special Risk Insurance | - | 429 | - | - | - |
| 2011 | 6 | 3,471 | $410,430,599 | $26,126,066 | $7,527iApproximate average salary by contribution assumption: employee only about $188,174 at 4% or $125,449 at 6%; with 50% employer match about $125,449 at 4% or $83,633 at 6%; with 100% employer match about $94,087 at 4% or $62,725 at 6%. |
| Otter Tail Corporation Retirement Savings Plan | - | 3,471 | $193,430,126 | $15,365,571 | $4,427iApproximate average salary by contribution assumption: employee only about $110,671 at 4% or $73,781 at 6%; with 50% employer match about $73,781 at 4% or $49,187 at 6%; with 100% employer match about $55,336 at 4% or $36,890 at 6%. |
| Otter Tail Corporation Pension Plan | - | 706 | $180,371,119 | $10,000,000 | $14,164iApproximate average salary by contribution assumption: employee only about $354,108 at 4% or $236,072 at 6%; with 50% employer match about $236,072 at 4% or $157,381 at 6%; with 100% employer match about $177,054 at 4% or $118,036 at 6%. |
| Otter Tail Corporation Employee Stock Ownership Plan | - | 789 | $36,629,354 | $760,495 | $964iApproximate average salary by contribution assumption: employee only about $24,097 at 4% or $16,065 at 6%; with 50% employer match about $16,065 at 4% or $10,710 at 6%; with 100% employer match about $12,048 at 4% or $8,032 at 6%. |
| Otter Tail Corporation Comprehensive Welfare Benefit Plan | - | 3,062 | - | - | - |
| Otter Tail Corporation Retiree Welfare Benefit Plan | - | 0 | - | - | - |
| Otter Tail Corporation Special Risk Insurance | - | 422 | - | - | - |
| 2010 | 5 | 3,754 | $417,739,195 | $14,985,045 | $3,992iApproximate average salary by contribution assumption: employee only about $99,794 at 4% or $66,529 at 6%; with 50% employer match about $66,529 at 4% or $44,353 at 6%; with 100% employer match about $49,897 at 4% or $33,265 at 6%. |
| Otter Tail Corporation Retirement Savings Plan | - | 3,754 | $195,493,967 | $14,205,745 | $3,784iApproximate average salary by contribution assumption: employee only about $94,604 at 4% or $63,069 at 6%; with 50% employer match about $63,069 at 4% or $42,046 at 6%; with 100% employer match about $47,302 at 4% or $31,535 at 6%. |
| Otter Tail Corporation Pension Plan | - | 745 | $184,886,301 | - | - |
| Otter Tail Corporation Employee Stock Ownership Plan | - | 804 | $37,358,927 | $779,300 | $969iApproximate average salary by contribution assumption: employee only about $24,232 at 4% or $16,155 at 6%; with 50% employer match about $16,155 at 4% or $10,770 at 6%; with 100% employer match about $12,116 at 4% or $8,077 at 6%. |
| Otter Tail Corporation Special Risk Insurance | - | 422 | - | - | - |
| Otter Tail Corporation Comprehensive Welfare Benefit Plan | - | 3,057 | - | - | - |
| 2009 | 5 | 3,562 | $375,296,498 | $34,982,547 | $9,821iApproximate average salary by contribution assumption: employee only about $245,526 at 4% or $163,684 at 6%; with 50% employer match about $163,684 at 4% or $109,123 at 6%; with 100% employer match about $122,763 at 4% or $81,842 at 6%. |
| Otter Tail Corporation Retirement Savings Plan | - | 3,562 | $172,630,117 | $14,221,147 | $3,992iApproximate average salary by contribution assumption: employee only about $99,812 at 4% or $66,541 at 6%; with 50% employer match about $66,541 at 4% or $44,361 at 6%; with 100% employer match about $49,906 at 4% or $33,271 at 6%. |
| Otter Tail Corporation Pension Plan | - | 783 | $160,556,395 | $20,000,000 | $25,543iApproximate average salary by contribution assumption: employee only about $638,570 at 4% or $425,713 at 6%; with 50% employer match about $425,713 at 4% or $283,809 at 6%; with 100% employer match about $319,285 at 4% or $212,857 at 6%. |
| Otter Tail Corporation Employee Stock Ownership Plan | - | 830 | $42,109,986 | $761,400 | $917iApproximate average salary by contribution assumption: employee only about $22,934 at 4% or $15,289 at 6%; with 50% employer match about $15,289 at 4% or $10,193 at 6%; with 100% employer match about $11,467 at 4% or $7,645 at 6%. |
| Otter Tail Corporation Special Risk Insurance | - | 422 | - | - | - |
| Otter Tail Corporation Comprehensive Welfare Benefit Plan | - | 3,021 | - | - | - |