Otter Tail Power Company
Plan context: OTTER TAIL CORPORATION RETIREMENT SAVINGS PLAN
EIN 41-0462685 • Fergus Falls, MN • 76 filings • 23 plans
Current Snapshot
Latest Year
2023
2023 Participants
226
2023 Assets
$304,441,498
2023 Contributions
$21,280,038
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 |
|---|---|---|---|---|---|
| 2023 | 1 | 226 | $0 | $0 | - |
| Otter Tail Power Company Union Employees Severance Plan | - | 226 | - | - | - |
| 2022 | 1 | 228 | $0 | $0 | - |
| Otter Tail Power Company Union Employees Severance Plan | - | 228 | - | - | - |
| 2021 | 1 | 241 | $0 | $0 | - |
| Otter Tail Power Company Union Employees Severance Plan | - | 241 | - | - | - |
| 2020 | 1 | 255 | $0 | $0 | - |
| Otter Tail Power Company Union Employees Severance Plan | - | 255 | - | - | - |
| 2019 | 1 | 260 | $0 | $0 | - |
| Otter Tail Power Company Union Employees Severance Plan | - | 260 | - | - | - |
| 2018 | 1 | 263 | $0 | $0 | - |
| Otter Tail Power Company Union Employees Severance Plan | - | 263 | - | - | - |
| 2017 | 1 | 261 | $0 | $0 | - |
| Otter Tail Power Company Union Employees Severance Plan | - | 261 | - | - | - |
| 2016 | 1 | 263 | $0 | $0 | - |
| Otter Tail Power Company Union Employees Severance Plan | - | 263 | - | - | - |
| 2015 | 1 | 265 | $0 | $0 | - |
| Otter Tail Power Company Union Employees Severance Plan | - | 265 | - | - | - |
| 2014 | 1 | 276 | $0 | $0 | - |
| Otter Tail Power Company Union Employees Severance Plan | - | 276 | - | - | - |
| 2013 | 1 | 303 | $0 | $0 | - |
| Otter Tail Power Company Union Employees Severance Plan | - | 303 | - | - | - |
| 2012 | 1 | 318 | $0 | $0 | - |
| Otter Tail Power Company Union Employees Severance Plan | - | 318 | - | - | - |
| 2011 | 1 | 318 | $0 | $0 | - |
| Otter Tail Power Company Union Employees Severance Plan | - | 318 | - | - | - |
| 2010 | 1 | 326 | $0 | $0 | - |
| Otter Tail Power Company Union Employees Severance Plan | - | 326 | - | - | - |
| 2009 | 1 | 364 | $0 | $0 | - |
| Otter Tail Power Company Union Employees Severance Plan | - | 364 | - | - | - |
| 2008 | 6 | 4,112 | $304,441,498 | $21,280,038 | $5,175iApproximate average salary by contribution assumption: employee only about $129,378 at 4% or $86,252 at 6%; with 50% employer match about $86,252 at 4% or $57,501 at 6%; with 100% employer match about $64,689 at 4% or $43,126 at 6%. |
| OTTER TAIL CORPORATION RETIREMENT SAVINGS PLAN | - | 4,112 | $134,743,911 | $16,542,538 | $4,023iApproximate average salary by contribution assumption: employee only about $100,575 at 4% or $67,050 at 6%; with 50% employer match about $67,050 at 4% or $44,700 at 6%; with 100% employer match about $50,287 at 4% or $33,525 at 6%. |
| OTTER TAIL CORPORATION PENSION PLAN | - | 822 | $131,563,253 | $4,000,000 | $4,866iApproximate average salary by contribution assumption: employee only about $121,655 at 4% or $81,103 at 6%; with 50% employer match about $81,103 at 4% or $54,069 at 6%; with 100% employer match about $60,827 at 4% or $40,552 at 6%. |
| OTTER TAIL CORPORATION EMPLOYEE STOCK OWNERSHIP PLAN | - | 822 | $38,134,334 | $737,500 | $897iApproximate average salary by contribution assumption: employee only about $22,430 at 4% or $14,953 at 6%; with 50% employer match about $14,953 at 4% or $9,969 at 6%; with 100% employer match about $11,215 at 4% or $7,477 at 6%. |
| Otter Tail Power Company Union Employees Severance Plan | - | 336 | - | - | - |
| OTTER TAIL CORPORATION COMPREHENSIVE WELFARE BENEFIT PLAN | - | 963 | - | - | - |
| OTTER TAIL CORPORATION SPECIAL RISK INSURANCE | - | 436 | - | - | - |
| 2007 | 6 | 3,894 | $408,828,036 | $17,842,408 | $4,582iApproximate average salary by contribution assumption: employee only about $114,551 at 4% or $76,367 at 6%; with 50% employer match about $76,367 at 4% or $50,911 at 6%; with 100% employer match about $57,275 at 4% or $38,184 at 6%. |
| OTTER TAIL CORPORATION PENSION PLAN | - | 837 | $178,876,986 | $2,000,000 | $2,389iApproximate average salary by contribution assumption: employee only about $59,737 at 4% or $39,825 at 6%; with 50% employer match about $39,825 at 4% or $26,550 at 6%; with 100% employer match about $29,869 at 4% or $19,912 at 6%. |
| OTTER TAIL CORPORATION RETIREMENT SAVINGS PLAN | - | 3,894 | $174,388,117 | $15,109,408 | $3,880iApproximate average salary by contribution assumption: employee only about $97,004 at 4% or $64,670 at 6%; with 50% employer match about $64,670 at 4% or $43,113 at 6%; with 100% employer match about $48,502 at 4% or $32,335 at 6%. |
| OTTER TAIL CORPORATION EMPLOYEE STOCK OWNERSHIP PLAN | - | 813 | $55,562,933 | $733,000 | $902iApproximate average salary by contribution assumption: employee only about $22,540 at 4% or $15,027 at 6%; with 50% employer match about $15,027 at 4% or $10,018 at 6%; with 100% employer match about $11,270 at 4% or $7,513 at 6%. |
| Otter Tail Power Company Union Employees Severance Plan | - | 337 | - | - | - |
| OTTER TAIL CORPORATION SPECIAL RISK INSURANCE | - | 414 | - | - | - |
| OTTER TAIL CORPORATION COMPREHENSIVE WELFARE BENEFIT PLAN | - | 949 | - | - | - |
| 2006 | 7 | 3,583 | $385,096,650 | $17,745,201 | $4,953iApproximate average salary by contribution assumption: employee only about $123,815 at 4% or $82,543 at 6%; with 50% employer match about $82,543 at 4% or $55,029 at 6%; with 100% employer match about $61,908 at 4% or $41,272 at 6%. |
| OTTER TAIL CORPORATION PENSION PLAN | - | 854 | $171,661,668 | $4,100,322 | $4,801iApproximate average salary by contribution assumption: employee only about $120,033 at 4% or $80,022 at 6%; with 50% employer match about $80,022 at 4% or $53,348 at 6%; with 100% employer match about $60,016 at 4% or $40,011 at 6%. |
| OTTER TAIL CORPORATION RETIREMENT SAVINGS PLAN | - | 3,583 | $161,908,998 | $12,906,879 | $3,602iApproximate average salary by contribution assumption: employee only about $90,056 at 4% or $60,038 at 6%; with 50% employer match about $60,038 at 4% or $40,025 at 6%; with 100% employer match about $45,028 at 4% or $30,019 at 6%. |
| OTTER TAIL CORPORATION EMPLOYEE STOCK OWNERSHIP PLAN | - | 823 | $51,525,984 | $738,000 | $897iApproximate average salary by contribution assumption: employee only about $22,418 at 4% or $14,945 at 6%; with 50% employer match about $14,945 at 4% or $9,964 at 6%; with 100% employer match about $11,209 at 4% or $7,473 at 6%. |
| Otter Tail Power Company Union Employees Severance Plan | - | 468 | - | - | - |
| OTTER TAIL CORPORATION COMPREHENSIVE WELFARE BENEFIT PLAN | - | 945 | - | - | - |
| OTTER TAIL CORPORATION SPECIAL RISK INSURANCE | - | 811 | - | - | - |
| Otter Tail Power Company Union Employees Severance Plan | - | 345 | - | - | - |
| 2005 | 5 | 3,457 | $337,694,334 | $18,433,019 | $5,332iApproximate average salary by contribution assumption: employee only about $133,302 at 4% or $88,868 at 6%; with 50% employer match about $88,868 at 4% or $59,245 at 6%; with 100% employer match about $66,651 at 4% or $44,434 at 6%. |
| OTTER TAIL CORPORATION PENSION PLAN | - | 835 | $151,071,906 | $4,000,000 | $4,790iApproximate average salary by contribution assumption: employee only about $119,760 at 4% or $79,840 at 6%; with 50% employer match about $79,840 at 4% or $53,227 at 6%; with 100% employer match about $59,880 at 4% or $39,920 at 6%. |
| OTTER TAIL CORPORATION RETIREMENT SAVINGS PLAN | - | 3,457 | $138,498,537 | $13,603,019 | $3,935iApproximate average salary by contribution assumption: employee only about $98,373 at 4% or $65,582 at 6%; with 50% employer match about $65,582 at 4% or $43,721 at 6%; with 100% employer match about $49,187 at 4% or $32,791 at 6%. |
| OTTER TAIL CORPORATION EMPLOYEE STOCK OWNERSHIP PLAN | - | 809 | $48,123,891 | $830,000 | $1,026iApproximate average salary by contribution assumption: employee only about $25,649 at 4% or $17,099 at 6%; with 50% employer match about $17,099 at 4% or $11,400 at 6%; with 100% employer match about $12,824 at 4% or $8,550 at 6%. |
| Otter Tail Power Company Union Employees Severance Plan | - | 352 | - | - | - |
| OTTER TAIL CORPORATION COMPREHENSIVE WELFARE BENEFIT PLAN | - | 726 | - | - | - |
| 2004 | 6 | 3,034 | $309,878,536 | $13,872,626 | $4,572iApproximate average salary by contribution assumption: employee only about $114,310 at 4% or $76,206 at 6%; with 50% employer match about $76,206 at 4% or $50,804 at 6%; with 100% employer match about $57,155 at 4% or $38,103 at 6%. |
| OTTER TAIL CORPORATION PENSION PLAN | - | 826 | $145,695,426 | $4,028,856 | $4,878iApproximate average salary by contribution assumption: employee only about $121,939 at 4% or $81,292 at 6%; with 50% employer match about $81,292 at 4% or $54,195 at 6%; with 100% employer match about $60,969 at 4% or $40,646 at 6%. |
| OTTER TAIL CORPORATION RETIREMENT SAVINGS PLAN | - | 3,034 | $120,596,019 | $8,913,770 | $2,938iApproximate average salary by contribution assumption: employee only about $73,449 at 4% or $48,966 at 6%; with 50% employer match about $48,966 at 4% or $32,644 at 6%; with 100% employer match about $36,724 at 4% or $24,483 at 6%. |
| OTTER TAIL CORPORATION EMPLOYEE STOCK OWNERSHIP PLAN | - | 814 | $43,587,091 | $930,000 | $1,143iApproximate average salary by contribution assumption: employee only about $28,563 at 4% or $19,042 at 6%; with 50% employer match about $19,042 at 4% or $12,695 at 6%; with 100% employer match about $14,281 at 4% or $9,521 at 6%. |
| Otter Tail Power Company Union Employees Severance Plan | - | 354 | - | - | - |
| OTTER TAIL CORPORATION SPECIAL RISK INSURANCE | - | 364 | - | - | - |
| OTTER TAIL CORPORATION COMPREHENSIVE WELEFARE BENEFIT PLAN | - | 907 | - | - | - |
| 2003 | 6 | 3,142 | $287,065,802 | $16,593,198 | $5,281iApproximate average salary by contribution assumption: employee only about $132,027 at 4% or $88,018 at 6%; with 50% employer match about $88,018 at 4% or $58,679 at 6%; with 100% employer match about $66,014 at 4% or $44,009 at 6%. |
| OTTER TAIL CORPORATION PENSION PLAN | - | 846 | $136,810,903 | $4,000,000 | $4,728iApproximate average salary by contribution assumption: employee only about $118,203 at 4% or $78,802 at 6%; with 50% employer match about $78,802 at 4% or $52,535 at 6%; with 100% employer match about $59,102 at 4% or $39,401 at 6%. |
| OTTER TAIL CORPORATION RETIREMENT SAVINGS PLAN | - | 3,142 | $103,925,756 | $10,648,150 | $3,389iApproximate average salary by contribution assumption: employee only about $84,724 at 4% or $56,483 at 6%; with 50% employer match about $56,483 at 4% or $37,655 at 6%; with 100% employer match about $42,362 at 4% or $28,241 at 6%. |
| OTTER TAIL CORPORATION EMPLOYEE STOCK OWNERSHIP PLAN | - | 858 | $46,149,389 | $1,030,000 | $1,200iApproximate average salary by contribution assumption: employee only about $30,012 at 4% or $20,008 at 6%; with 50% employer match about $20,008 at 4% or $13,339 at 6%; with 100% employer match about $15,006 at 4% or $10,004 at 6%. |
| OTTER TAIL CORPORATION COMPREHENSIVE WELFARE BENEFIT PLAN | - | 939 | $179,754 | $915,048 | $974iApproximate average salary by contribution assumption: employee only about $24,362 at 4% or $16,242 at 6%; with 50% employer match about $16,242 at 4% or $10,828 at 6%; with 100% employer match about $12,181 at 4% or $8,121 at 6%. |
| Otter Tail Power Company Union Employees Severance Plan | - | 367 | - | - | - |
| OTTER TAIL CORPORATION SPECIAL RISK INSURANCE | - | 232 | - | - | - |
| 2002 | 9 | 2,440 | $241,293,558 | $5,969,565 | $2,447iApproximate average salary by contribution assumption: employee only about $61,164 at 4% or $40,776 at 6%; with 50% employer match about $40,776 at 4% or $27,184 at 6%; with 100% employer match about $30,582 at 4% or $20,388 at 6%. |
| OTTER TAIL CORPORATION PENSION PLAN | - | 875 | $113,955,456 | - | - |
| OTTER TAIL CORPORATION RETIREMENT SAVINGS PLAN | - | 2,440 | $80,065,796 | $4,869,565 | $1,996iApproximate average salary by contribution assumption: employee only about $49,893 at 4% or $33,262 at 6%; with 50% employer match about $33,262 at 4% or $22,175 at 6%; with 100% employer match about $24,947 at 4% or $16,631 at 6%. |
| OTTER TAIL CORPORATION EMPLOYEE STOCK OWNERSHIP PLAN | - | 854 | $47,272,306 | $1,100,000 | $1,288iApproximate average salary by contribution assumption: employee only about $32,201 at 4% or $21,468 at 6%; with 50% employer match about $21,468 at 4% or $14,312 at 6%; with 100% employer match about $16,101 at 4% or $10,734 at 6%. |
| Otter Tail Power Company Union Employees Severance Plan | - | 362 | - | - | - |
| OTTER TAIL CORPORATION SPECIAL RISK INSURANCE | - | 242 | - | - | - |
| OTTER TAIL CORPORATION GROUP INSURANCE PLAN | - | 852 | - | - | - |
| OTTER TAIL CORPORATION RETIREMENT SAVINGS PLAN UNION | - | 0 | - | - | - |
| OTTER TAIL CORPORATION LIFE & LIVING PLAN | - | 371 | - | - | - |
| OTTER TAIL CORPORATION LONG TERM DISABILITY PLAN | - | 792 | - | - | - |
| 2001 | 8 | 875 | $254,134,219 | $5,706,707 | $6,522iApproximate average salary by contribution assumption: employee only about $163,049 at 4% or $108,699 at 6%; with 50% employer match about $108,699 at 4% or $72,466 at 6%; with 100% employer match about $81,524 at 4% or $54,350 at 6%. |
| OTTER TAIL CORPORATION PENSION PLAN | - | 862 | $138,971,180 | - | - |
| OTTER TAIL CORPORATION EMPLOYEE STOCK OWNERSHIP PLAN | - | 875 | $51,972,694 | $1,133,171 | $1,295iApproximate average salary by contribution assumption: employee only about $32,376 at 4% or $21,584 at 6%; with 50% employer match about $21,584 at 4% or $14,389 at 6%; with 100% employer match about $16,188 at 4% or $10,792 at 6%. |
| OTTER TAIL CORPORATION RETIREMENT SAVINGS PLAN - UNION | - | 462 | $34,262,218 | $2,324,052 | $5,030iApproximate average salary by contribution assumption: employee only about $125,760 at 4% or $83,840 at 6%; with 50% employer match about $83,840 at 4% or $55,894 at 6%; with 100% employer match about $62,880 at 4% or $41,920 at 6%. |
| OTTER TAIL CORPORATION RETIREMENT SAVINGS PLAN - NONUNION | - | 402 | $28,928,127 | $2,249,484 | $5,596iApproximate average salary by contribution assumption: employee only about $139,893 at 4% or $93,262 at 6%; with 50% employer match about $93,262 at 4% or $62,175 at 6%; with 100% employer match about $69,947 at 4% or $46,631 at 6%. |
| OTTER TAIL CORPORATION SPECIAL RISK INSURANCE | - | 224 | - | - | - |
| OTTER TAIL CORPORATION LONG-TERM DISABILITY PLAN | - | 779 | - | - | - |
| OTTER TAIL CORPORATION GROUP INSURANCE PLAN | - | 858 | - | - | - |
| Otter Tail Power Company Union Employees Severance Plan | - | 372 | - | - | - |
| 2000 | 8 | 855 | $115,889,523 | $5,363,153 | $6,273iApproximate average salary by contribution assumption: employee only about $156,817 at 4% or $104,545 at 6%; with 50% employer match about $104,545 at 4% or $69,697 at 6%; with 100% employer match about $78,409 at 4% or $52,272 at 6%. |
| OTTER TAIL POWER COMPANY EMPLOYEE STOCK OWNERSHIP PLAN | - | 855 | $49,957,013 | $1,140,997 | $1,334iApproximate average salary by contribution assumption: employee only about $33,362 at 4% or $22,242 at 6%; with 50% employer match about $22,242 at 4% or $14,828 at 6%; with 100% employer match about $16,681 at 4% or $11,121 at 6%. |
| OTTER TAIL POWER COMPANY RETIREMENT SAVINGS PLAN - UNION | - | 472 | $36,302,653 | $2,317,097 | $4,909iApproximate average salary by contribution assumption: employee only about $122,728 at 4% or $81,818 at 6%; with 50% employer match about $81,818 at 4% or $54,546 at 6%; with 100% employer match about $61,364 at 4% or $40,909 at 6%. |
| OTTER TAIL POWER COMPANY RETIREMENT SAVINGS PLAN - NONUNION | - | 372 | $29,629,857 | $1,905,059 | $5,121iApproximate average salary by contribution assumption: employee only about $128,028 at 4% or $85,352 at 6%; with 50% employer match about $85,352 at 4% or $56,901 at 6%; with 100% employer match about $64,014 at 4% or $42,676 at 6%. |
| OTTER TAIL POWER COMPANY SPECIAL RISK INSURANCE | - | 211 | - | - | - |
| OTTER TAIL POWER COMPANY GROUP INSURANCE PLAN | - | 839 | - | - | - |
| OTTER TAIL POWER COMPANY LONG-TERM DISABILITY PLAN | - | 773 | - | - | - |
| Otter Tail Power Company Union Employees Severance Plan | - | 384 | - | - | - |
| OTTER TAIL POWER COMPANY PENSION PLAN | - | 840 | - | - | - |