Wisconsin Power & Light Company
Plan context: Wisconsin Power & Light Co. Retirement Plan B
EIN 39-0714890 • 59 filings • 20 plans
Current Snapshot
Latest Year
2024
2024 Participants
208
2024 Assets
$248,206,377
2024 Contributions
$14,928,000
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 | 1 | 208 | $248,206,377 | $14,928,000 | $71,769iApproximate average salary by contribution assumption: employee only about $1,794,231 at 4% or $1,196,154 at 6%; with 50% employer match about $1,196,154 at 4% or $797,436 at 6%; with 100% employer match about $897,115 at 4% or $598,077 at 6%. |
| Wisconsin Power & Light Co. Retirement Plan B | - | 208 | $248,206,377 | $14,928,000 | $71,769iApproximate average salary by contribution assumption: employee only about $1,794,231 at 4% or $1,196,154 at 6%; with 50% employer match about $1,196,154 at 4% or $797,436 at 6%; with 100% employer match about $897,115 at 4% or $598,077 at 6%. |
| 2023 | 1 | 233 | $242,859,333 | $3,523,000 | $15,120iApproximate average salary by contribution assumption: employee only about $378,004 at 4% or $252,003 at 6%; with 50% employer match about $252,003 at 4% or $168,002 at 6%; with 100% employer match about $189,002 at 4% or $126,001 at 6%. |
| Wisconsin Power & Light Co. Retirement Plan B | - | 233 | $242,859,333 | $3,523,000 | $15,120iApproximate average salary by contribution assumption: employee only about $378,004 at 4% or $252,003 at 6%; with 50% employer match about $252,003 at 4% or $168,002 at 6%; with 100% employer match about $189,002 at 4% or $126,001 at 6%. |
| 2022 | 1 | 250 | $235,660,071 | $10,300,000 | $41,200iApproximate average salary by contribution assumption: employee only about $1,030,000 at 4% or $686,667 at 6%; with 50% employer match about $686,667 at 4% or $457,778 at 6%; with 100% employer match about $515,000 at 4% or $343,333 at 6%. |
| Wisconsin Power & Light Co. Retirement Plan B | - | 250 | $235,660,071 | $10,300,000 | $41,200iApproximate average salary by contribution assumption: employee only about $1,030,000 at 4% or $686,667 at 6%; with 50% employer match about $686,667 at 4% or $457,778 at 6%; with 100% employer match about $515,000 at 4% or $343,333 at 6%. |
| 2021 | 1 | 343 | $357,610,319 | $0 | - |
| Wisconsin Power & Light Co. Retirement Plan B | - | 343 | $357,610,319 | - | - |
| 2020 | 1 | 368 | $361,455,399 | $26,042,000 | $70,766iApproximate average salary by contribution assumption: employee only about $1,769,158 at 4% or $1,179,438 at 6%; with 50% employer match about $1,179,438 at 4% or $786,292 at 6%; with 100% employer match about $884,579 at 4% or $589,719 at 6%. |
| Wisconsin Power & Light Co. Retirement Plan B | - | 368 | $361,455,399 | $26,042,000 | $70,766iApproximate average salary by contribution assumption: employee only about $1,769,158 at 4% or $1,179,438 at 6%; with 50% employer match about $1,179,438 at 4% or $786,292 at 6%; with 100% employer match about $884,579 at 4% or $589,719 at 6%. |
| 2019 | 1 | 425 | $327,729,610 | $16,629,040 | $39,127iApproximate average salary by contribution assumption: employee only about $978,179 at 4% or $652,119 at 6%; with 50% employer match about $652,119 at 4% or $434,746 at 6%; with 100% employer match about $489,089 at 4% or $326,060 at 6%. |
| Wisconsin Power & Light Co. Retirement Plan B | - | 425 | $327,729,610 | $16,629,040 | $39,127iApproximate average salary by contribution assumption: employee only about $978,179 at 4% or $652,119 at 6%; with 50% employer match about $652,119 at 4% or $434,746 at 6%; with 100% employer match about $489,089 at 4% or $326,060 at 6%. |
| 2018 | 1 | 502 | $280,001,040 | $5,327,868 | $10,613iApproximate average salary by contribution assumption: employee only about $265,332 at 4% or $176,888 at 6%; with 50% employer match about $176,888 at 4% or $117,925 at 6%; with 100% employer match about $132,666 at 4% or $88,444 at 6%. |
| Wisconsin Power & Light Co. Retirement Plan B | - | 502 | $280,001,040 | $5,327,868 | $10,613iApproximate average salary by contribution assumption: employee only about $265,332 at 4% or $176,888 at 6%; with 50% employer match about $176,888 at 4% or $117,925 at 6%; with 100% employer match about $132,666 at 4% or $88,444 at 6%. |
| 2017 | 1 | 562 | $322,399,641 | $0 | - |
| Wisconsin Power & Light Co. Retirement Plan B | - | 562 | $322,399,641 | - | - |
| 2016 | 1 | 631 | $300,749,147 | $0 | - |
| Wisconsin Power & Light Co. Retirement Plan B | - | 631 | $300,749,147 | - | - |
| 2015 | 1 | 705 | $295,081,141 | $0 | - |
| Wisconsin Power & Light Co. Retirement Plan B | - | 705 | $295,081,141 | - | - |
| 2014 | 1 | 771 | $335,653,740 | $249,640 | $324iApproximate average salary by contribution assumption: employee only about $8,095 at 4% or $5,396 at 6%; with 50% employer match about $5,396 at 4% or $3,598 at 6%; with 100% employer match about $4,047 at 4% or $2,698 at 6%. |
| Wisconsin Power & Light Co. Retirement Plan B | - | 771 | $335,653,740 | $249,640 | $324iApproximate average salary by contribution assumption: employee only about $8,095 at 4% or $5,396 at 6%; with 50% employer match about $5,396 at 4% or $3,598 at 6%; with 100% employer match about $4,047 at 4% or $2,698 at 6%. |
| 2013 | 1 | 828 | $332,038,804 | $0 | - |
| Wisconsin Power & Light Co. Retirement Plan B | - | 828 | $332,038,804 | - | - |
| 2012 | 1 | 899 | $314,918,701 | $0 | - |
| Wisconsin Power & Light Co. Retirement Plan B | - | 899 | $314,918,701 | - | - |
| 2011 | 1 | 983 | $291,497,924 | $40,000,000 | $40,692iApproximate average salary by contribution assumption: employee only about $1,017,294 at 4% or $678,196 at 6%; with 50% employer match about $678,196 at 4% or $452,131 at 6%; with 100% employer match about $508,647 at 4% or $339,098 at 6%. |
| Wisconsin Power & Light Co. Retirement Plan B | - | 983 | $291,497,924 | $40,000,000 | $40,692iApproximate average salary by contribution assumption: employee only about $1,017,294 at 4% or $678,196 at 6%; with 50% employer match about $678,196 at 4% or $452,131 at 6%; with 100% employer match about $508,647 at 4% or $339,098 at 6%. |
| 2010 | 1 | 1,048 | $257,131,892 | $0 | - |
| Wisconsin Power & Light Co. Retirement Plan B | - | 1,048 | $257,131,892 | - | - |
| 2009 | 1 | 1,115 | $239,005,767 | $26,071,298 | $23,382iApproximate average salary by contribution assumption: employee only about $584,558 at 4% or $389,706 at 6%; with 50% employer match about $389,706 at 4% or $259,804 at 6%; with 100% employer match about $292,279 at 4% or $194,853 at 6%. |
| Wisconsin Power & Light Co. Retirement Plan B | - | 1,115 | $239,005,767 | $26,071,298 | $23,382iApproximate average salary by contribution assumption: employee only about $584,558 at 4% or $389,706 at 6%; with 50% employer match about $389,706 at 4% or $259,804 at 6%; with 100% employer match about $292,279 at 4% or $194,853 at 6%. |
| 2008 | 1 | 1,217 | $184,326,368 | $16,372,100 | $13,453iApproximate average salary by contribution assumption: employee only about $336,321 at 4% or $224,214 at 6%; with 50% employer match about $224,214 at 4% or $149,476 at 6%; with 100% employer match about $168,160 at 4% or $112,107 at 6%. |
| Wisconsin Power & Light Co. Retirement Plan B | - | 1,217 | $184,326,368 | $16,372,100 | $13,453iApproximate average salary by contribution assumption: employee only about $336,321 at 4% or $224,214 at 6%; with 50% employer match about $224,214 at 4% or $149,476 at 6%; with 100% employer match about $168,160 at 4% or $112,107 at 6%. |
| 2007 | 1 | 1,228 | $248,364,519 | $8,774 | $7iApproximate average salary by contribution assumption: employee only about $179 at 4% or $119 at 6%; with 50% employer match about $119 at 4% or $79 at 6%; with 100% employer match about $89 at 4% or $60 at 6%. |
| Wisconsin Power & Light Co. Retirement Plan B | - | 1,228 | $248,364,519 | $8,774 | $7iApproximate average salary by contribution assumption: employee only about $179 at 4% or $119 at 6%; with 50% employer match about $119 at 4% or $79 at 6%; with 100% employer match about $89 at 4% or $60 at 6%. |
| 2006 | 1 | 1,287 | $240,732,021 | $6,006,561 | $4,667iApproximate average salary by contribution assumption: employee only about $116,678 at 4% or $77,785 at 6%; with 50% employer match about $77,785 at 4% or $51,857 at 6%; with 100% employer match about $58,339 at 4% or $38,893 at 6%. |
| Wisconsin Power & Light Co. Retirement Plan B | - | 1,287 | $240,732,021 | $6,006,561 | $4,667iApproximate average salary by contribution assumption: employee only about $116,678 at 4% or $77,785 at 6%; with 50% employer match about $77,785 at 4% or $51,857 at 6%; with 100% employer match about $58,339 at 4% or $38,893 at 6%. |
| 2005 | 8 | 1,333 | $228,392,983 | $7,005,116 | $5,255iApproximate average salary by contribution assumption: employee only about $131,379 at 4% or $87,586 at 6%; with 50% employer match about $87,586 at 4% or $58,391 at 6%; with 100% employer match about $65,689 at 4% or $43,793 at 6%. |
| Wisconsin Power & Light Co. Retirement Plan B | - | 1,333 | $215,623,618 | $7,005,116 | $5,255iApproximate average salary by contribution assumption: employee only about $131,379 at 4% or $87,586 at 6%; with 50% employer match about $87,586 at 4% or $58,391 at 6%; with 100% employer match about $65,689 at 4% or $43,793 at 6%. |
| WISCONSIN POWER & LIGHT COMPANY EMPLOYEES BENEFIT TRUST | - | 0 | $12,769,365 | - | - |
| WISCONSIN POWER & LIGHT CO. FLEX SPENDING B | - | 0 | - | - | - |
| WISCONSIN POWER & LIGHT CO FLEX. SPENDING A | - | 0 | - | - | - |
| WISCONSIN POWER/LIGHT HEALTH & WELFARE PLAN B | - | 0 | - | - | - |
| WISCONSIN POWER & LIGHT CO. GROUP LIFE INS. B | - | 0 | - | - | - |
| WISCONSIN POWER/LIGHT CO. GROUP. LIFE INS. A | - | 0 | - | - | - |
| WISCONSIN POWER/LIGHT HEALTH & WELFARE PLAN A | - | 0 | - | - | - |
| 2004 | 8 | 1,394 | $231,856,486 | $28,076,650 | $20,141iApproximate average salary by contribution assumption: employee only about $503,527 at 4% or $335,684 at 6%; with 50% employer match about $335,684 at 4% or $223,790 at 6%; with 100% employer match about $251,763 at 4% or $167,842 at 6%. |
| Wisconsin Power & Light Co. Retirement Plan B | - | 1,387 | $206,082,740 | $5,000,000 | $3,605iApproximate average salary by contribution assumption: employee only about $90,123 at 4% or $60,082 at 6%; with 50% employer match about $60,082 at 4% or $40,054 at 6%; with 100% employer match about $45,061 at 4% or $30,041 at 6%. |
| WISCONSIN POWER & LIGHT COMPANY EMPLOYEES BENEFIT TRUST | - | 0 | $12,781,723 | - | - |
| WISCONSIN POWER & LIGHT COMPANY GROUP LIFE INSURANCE PLAN B | - | 1,394 | $6,060,773 | $644,171 | $462iApproximate average salary by contribution assumption: employee only about $11,553 at 4% or $7,702 at 6%; with 50% employer match about $7,702 at 4% or $5,134 at 6%; with 100% employer match about $5,776 at 4% or $3,851 at 6%. |
| WISCONSIN POWER & LIGHT COMPANY GROUP LIFE INSURANCE PLAN A | - | 97 | $3,580,366 | $77,017 | $794iApproximate average salary by contribution assumption: employee only about $19,850 at 4% or $13,233 at 6%; with 50% employer match about $13,233 at 4% or $8,822 at 6%; with 100% employer match about $9,925 at 4% or $6,617 at 6%. |
| WISCONSIN POWER & LIGHT COMPANY HEALTH & WELFARE PLAN B | - | 1,339 | $2,673,776 | $19,509,186 | $14,570iApproximate average salary by contribution assumption: employee only about $364,249 at 4% or $242,833 at 6%; with 50% employer match about $242,833 at 4% or $161,889 at 6%; with 100% employer match about $182,125 at 4% or $121,416 at 6%. |
| WISCONSIN POWER & LIGHT COMPANY HEALTH AND WELFARE PLAN A | - | 87 | $677,108 | $2,846,276 | $32,716iApproximate average salary by contribution assumption: employee only about $817,895 at 4% or $545,264 at 6%; with 50% employer match about $545,264 at 4% or $363,509 at 6%; with 100% employer match about $408,948 at 4% or $272,632 at 6%. |
| WISCONSIN POWER & LIGHT CO. FLEX SPENDING PLAN B | - | 1,339 | - | - | - |
| WISCONSIN POWER & LIGHT CO FLEXIBLE SPENDINGPLAN A | - | 87 | - | - | - |
| 2003 | 6 | 2,219 | $212,772,701 | $20,327,773 | $9,161iApproximate average salary by contribution assumption: employee only about $229,020 at 4% or $152,680 at 6%; with 50% employer match about $152,680 at 4% or $101,786 at 6%; with 100% employer match about $114,510 at 4% or $76,340 at 6%. |
| Wisconsin Power & Light Co. Retirement Plan B | - | 1,396 | $187,982,907 | - | - |
| WISCONSIN POWER & LIGHT COMPANY EMPLOYEES BENEFIT TRUST | - | 0 | $12,650,667 | - | - |
| WISCONSIN POWER & LIGHT COMPANY GROUP LIFE INSURANCE PLAN B | - | 1,434 | $5,767,091 | $612,711 | $427iApproximate average salary by contribution assumption: employee only about $10,682 at 4% or $7,121 at 6%; with 50% employer match about $7,121 at 4% or $4,747 at 6%; with 100% employer match about $5,341 at 4% or $3,561 at 6%. |
| WISCONSIN POWER & LIGHT COMPANY GROUP LIFE INSURANCE PLAN A | - | 86 | $3,382,964 | $70,369 | $818iApproximate average salary by contribution assumption: employee only about $20,456 at 4% or $13,637 at 6%; with 50% employer match about $13,637 at 4% or $9,092 at 6%; with 100% employer match about $10,228 at 4% or $6,819 at 6%. |
| WISCONSIN POWER & LIGHT COMPANY HEALTH & WELFARE BENEFITS PLAN B | - | 2,219 | $2,139,412 | $17,144,791 | $7,726iApproximate average salary by contribution assumption: employee only about $193,159 at 4% or $128,773 at 6%; with 50% employer match about $128,773 at 4% or $85,848 at 6%; with 100% employer match about $96,579 at 4% or $64,386 at 6%. |
| WISCONSIN POWER & LIGHT COMPANY HEALTH & WELFARE BENEFITS PLAN A | - | 49 | $849,660 | $2,499,902 | $51,018iApproximate average salary by contribution assumption: employee only about $1,275,460 at 4% or $850,307 at 6%; with 50% employer match about $850,307 at 4% or $566,871 at 6%; with 100% employer match about $637,730 at 4% or $425,153 at 6%. |
| 2002 | 6 | 2,347 | $182,344,915 | $48,199,150 | $20,536iApproximate average salary by contribution assumption: employee only about $513,412 at 4% or $342,275 at 6%; with 50% employer match about $342,275 at 4% or $228,183 at 6%; with 100% employer match about $256,706 at 4% or $171,137 at 6%. |
| Wisconsin Power & Light Co. Retirement Plan B | - | 1,427 | $161,074,790 | $30,000,000 | $21,023iApproximate average salary by contribution assumption: employee only about $525,578 at 4% or $350,385 at 6%; with 50% employer match about $350,385 at 4% or $233,590 at 6%; with 100% employer match about $262,789 at 4% or $175,193 at 6%. |
| WISCONSIN POWER & LIGHT COMPANY EMPLOYEES BENEFIT TRUST | - | 0 | $10,971,944 | - | - |
| WISCONSIN POWER & LIGHT COMPANY GROUP LIFE INSURANCE PLAN B | - | 1,449 | $5,390,103 | $462,066 | $319iApproximate average salary by contribution assumption: employee only about $7,972 at 4% or $5,315 at 6%; with 50% employer match about $5,315 at 4% or $3,543 at 6%; with 100% employer match about $3,986 at 4% or $2,657 at 6%. |
| WISCONSIN POWER & LIGHT COMPANY GROUP LIFE INSURANCE PLAN A | - | 86 | $3,217,837 | $62,141 | $723iApproximate average salary by contribution assumption: employee only about $18,064 at 4% or $12,043 at 6%; with 50% employer match about $12,043 at 4% or $8,029 at 6%; with 100% employer match about $9,032 at 4% or $6,021 at 6%. |
| WISCONSIN POWER & LIGHT COMPANY HEALTH & WELFARE BENEFITS PLAN B | - | 2,347 | $1,189,562 | $15,113,999 | $6,440iApproximate average salary by contribution assumption: employee only about $160,993 at 4% or $107,328 at 6%; with 50% employer match about $107,328 at 4% or $71,552 at 6%; with 100% employer match about $80,496 at 4% or $53,664 at 6%. |
| WISCONSIN POWER & LIGHT COMPANY HEALTH & WELFARE BENEFITS PLAN A | - | 53 | $500,679 | $2,560,944 | $48,320iApproximate average salary by contribution assumption: employee only about $1,207,992 at 4% or $805,328 at 6%; with 50% employer match about $805,328 at 4% or $536,886 at 6%; with 100% employer match about $603,996 at 4% or $402,664 at 6%. |
| 2001 | 6 | 1,453 | $175,157,202 | $14,469,424 | $9,958iApproximate average salary by contribution assumption: employee only about $248,958 at 4% or $165,972 at 6%; with 50% employer match about $165,972 at 4% or $110,648 at 6%; with 100% employer match about $124,479 at 4% or $82,986 at 6%. |
| Wisconsin Power & Light Co. Retirement Plan B | - | 1,402 | $151,638,313 | - | - |
| WISCONSIN POWER & LIGHT COMPANY EMPLOYEES BENEFIT TRUST | - | 0 | $12,436,129 | - | - |
| WISCONSIN POWER & LIGHT COMPANY GROUP LIFE INSURANCE PLAN B | - | 1,453 | $6,318,460 | $438,773 | $302iApproximate average salary by contribution assumption: employee only about $7,549 at 4% or $5,033 at 6%; with 50% employer match about $5,033 at 4% or $3,355 at 6%; with 100% employer match about $3,775 at 4% or $2,516 at 6%. |
| WISCONSIN POWER & LIGHT COMPANY GROUP LIFE INSURANCE PLAN A | - | 82 | $3,794,529 | $56,884 | $694iApproximate average salary by contribution assumption: employee only about $17,343 at 4% or $11,562 at 6%; with 50% employer match about $11,562 at 4% or $7,708 at 6%; with 100% employer match about $8,671 at 4% or $5,781 at 6%. |
| WISCONSIN POWER & LIGHT COMPANYHEALTH & WELFARE BENEFITS PLAN B | - | 1,394 | $615,948 | $11,561,684 | $8,294iApproximate average salary by contribution assumption: employee only about $207,347 at 4% or $138,232 at 6%; with 50% employer match about $138,232 at 4% or $92,154 at 6%; with 100% employer match about $103,674 at 4% or $69,116 at 6%. |
| WISCONSIN POWER & LIGHT COMPANY HEALTH & WELFARE BENEFITS PLAN A | - | 75 | $353,823 | $2,412,083 | $32,161iApproximate average salary by contribution assumption: employee only about $804,028 at 4% or $536,018 at 6%; with 50% employer match about $536,018 at 4% or $357,346 at 6%; with 100% employer match about $402,014 at 4% or $268,009 at 6%. |
| 2000 | 6 | 1,439 | $15,949,452 | $62,214 | $43iApproximate average salary by contribution assumption: employee only about $1,081 at 4% or $721 at 6%; with 50% employer match about $721 at 4% or $480 at 6%; with 100% employer match about $540 at 4% or $360 at 6%. |
| WISCONSIN POWER & LIGHT EMPLOYEES BENEFIT TRUST | - | 0 | $12,289,770 | - | - |
| WISCONSIN POWER & LIGHT COMPANY GROUP LIFE INSURANCE PLAN A | - | 100 | $3,659,682 | $62,214 | $622iApproximate average salary by contribution assumption: employee only about $15,554 at 4% or $10,369 at 6%; with 50% employer match about $10,369 at 4% or $6,913 at 6%; with 100% employer match about $7,777 at 4% or $5,185 at 6%. |
| Wisconsin Power & Light Co. Retirement Plan B | - | 1,402 | - | - | - |
| WISCONSIN POWER & LIGHT COMPANY GROUP LIFE INSURANCE PLAN B | - | 1,439 | - | - | - |
| WISCONSIN POWER & LIGHT COMPANY HEALTH & WELFARE BENEFITS PLAN A | - | 100 | - | - | - |
| WISCONSIN POWER & LIGHT COMPANY HEALTH & WELFARE BENEFITS PLAN B | - | 1,400 | - | - | - |