Defined Benefit (Pension) · DOL Form 5500 · 2024

Wisconsin Power & Light Company Pension Plan

Data updated 2026-08-06

$248M
Total assets
233
Participants
95th
Percentile by assets
$1.1M
Avg per participant
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Official DOL plan name: Wisconsin Power & Light Co. Retirement Plan B · Sponsored by Wisconsin Power & Light Company · Wisconsin · Utilities

$248M in assets, 233 participants

Wisconsin Power & Light Company's Wisconsin Power & Light Co. Retirement Plan B reported $248M in total assets and 233 participants in its 2024 DOL Form 5500 filing, ranking in the 95th percentile by assets among filed plans. Figures are as reported by the plan sponsor to the Department of Labor, not audited or endorsed by PlainRetire.

  • 95th percentile by assets (of 116,472 plans)
  • #518 in Utilities (707 peers)

Coverage in Wisconsin

Wisconsin Power & Light Co. Retirement Plan B covers 233 participants in Wisconsin, about 41% of the average Wisconsin filer (state average ~565 per filing). Assets: $248M.

$248M
total plan assets (2024 EOY)
233
covered participants
95th
percentile by assets (of 116,472 plans)
$1.1M
avg assets per participant

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Wisconsin Power & Light Co. Retirement Plan B reported net income fell from $7M in the plan year 2023 filing to $4M in the plan year 2024 filing.
  • Wisconsin Power & Light Co. Retirement Plan B reported participants fell from 250 in the plan year 2023 filing to 233 in the plan year 2024 filing.
  • Wisconsin Power & Light Co. Retirement Plan B end-of-year assets rose from $243M in the plan year 2023 filing to $248M in the plan year 2024 filing.

See the national 2023→2024 release diff →

State
Industry

Participants vs Wisconsin filers

In Wisconsin, the average filing covers about 565 participants across 2,767 plans. Wisconsin Power & Light Co. Retirement Plan B reports 233 participants - about 41% of that state average ($248M EOY assets).

Wisconsin filing particulars

Total Assets (Beginning of Year)$243M
Net Assets (End of Year)$248M
Net Income$4M
Employer EIN390714890
Plan Effective Date1940-04-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Wisconsin Power & Light Company)

$230M$235M$240M$245M$250M 202220232024 $236M $248M ▲ +5.3%
Total plan assets by year, all Wisconsin Power & Light Company plans on file
Year Plans Participants Total Assets
2022 1 343 $236M
2023 1 250 $243M
2024 1 233 $248M

Nearby Defined Benefit (Pension) Plans in Wisconsin

Peer Defined Benefit (Pension) plans, same state, same plan type, ranked by total assets.

Wisconsin Power & Light Co. Retirement Plan B vs. nearby Defined Benefit (Pension) plans in Wisconsin, assets vs. participants

Wisconsin Power & Light Co. Retirement Plan B vs. nearby Defined Benefit (Pension) plans in Wisconsin, assets vs. participants Scatter plot of 6 data points. -5000050001000015000 01234 Total assets ($B) Participants Wisconsin Power & Li…Building Trades Unit…The Northwestern Mut…The Northwestern Mut…Harley-Davidson Reti…North Central States…
Wisconsin Power & Light Co. Retirement Plan B vs. nearby Defined Benefit (Pension) plans in Wisconsin, assets vs. participants

Similar-Sized Defined Benefit (Pension) Plans Nationally

Defined Benefit (Pension) plans in other states closest to Wisconsin Power & Light Co. Retirement Plan B by total assets, not by location.

Frequently Asked Questions

How did Wisconsin Power & Light Co. Retirement Plan B assets move in 2024?
Wisconsin Power & Light Co. Retirement Plan B edged up modestly - up 2.2% during 2024, from $243M to $248M. Reported net income was $4M.
How have Wisconsin Power & Light Company plan assets changed over time?
Across 3 plan years on file (2022-2024), Wisconsin Power & Light Company's sponsor-wide assets grew 5.3%, from $236M to $248M.
Where does Wisconsin Power & Light Co. Retirement Plan B rank by assets among Form 5500 filers?
Wisconsin Power & Light Co. Retirement Plan B ranks in the 95th percentile by end-of-year assets among 116,472 plans that reported assets for plan year 2024 (in the top 5% of all filed plans by assets).
Which Defined Benefit (Pension) plans are similar in size to Wisconsin Power & Light Co. Retirement Plan B?
Among Defined Benefit (Pension) plans in other states, the closest by assets is Ropes & Gray LLP Pension Plan in MA ($248M, 975 participants).

Next read for Wisconsin Power & Light Co. Retirement P…

Filing takeaways

Ways to act on Wisconsin Power & Light Co. Retirement Plan B's numbers.

  • By total assets, Wisconsin Power & Light Co. Retirement Plan B ranks in the top 5% of all filed plans by assets. See the largest plans
  • Compare it side-by-side against 3 similar Defined Benefit (Pension) plans in Wisconsin. Compare plans
  • Wisconsin Power & Light Company's sponsor-wide assets have grown 5.3% since 2022 across 3 plan years on file. More Utilities plans