Defined Benefit (Pension) · DOL Form 5500 · 2022

Wisconsin Power & Light Company Pension Plan

Data updated 2026-08-25

$236M
Total assets Near avg plan size
343
Participants Below avg headcount
96th
Percentile by assets National rank
$687,056
Avg per participant High balance/head
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Official DOL plan name: Wisconsin Power & Light Co. Retirement Plan B · Sponsored by Wisconsin Power & Light Company · Wisconsin · Utilities

$236M in assets, 343 participants

Wisconsin Power & Light Company's Wisconsin Power & Light Co. Retirement Plan B reported $236M in total assets and 343 participants in its 2022 DOL Form 5500 filing, ranking in the 96th 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.

  • #559 in Utilities (738 peers)

Utilities sector rank

Within Utilities, Wisconsin Power & Light Co. Retirement Plan B ranks #559 of 738 2022 filers by assets (228% of the sector average)-$236M for 343 participants.

#559
in Utilities (738 peers)
-34.1%
assets change YoY
2.4×
vs typical plan assets (national mean)

The plan reported a net loss of $122M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

Wisconsin Power & Light Co. Retirement Plan B's outsized position by total assets

Wisconsin Power & Light Co. Retirement Plan B vs every filed plan by assets

End-of-year total assets · plan year 2022 · DOL Form 5500

$235,660,071 Top 4% higher than 96% of 139,123 filed plans

This plan $0 $2,050,000,000 every filed plan with reported assets, bucketed by value

Dashed line + filled bar = this entry, among filed plans.

Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2022

Wisconsin Power & Light Co. Retirement Plan B among mid-size filed plans by headcount

Plan-year 2022 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Wisconsin Power & Light Co. Retirement Plan B sits mid-pack in the medium band (343 participants).

EBSA filing schedule strip

Filing strip 390714890 · Wisconsin Power & Light Company PY 2022 · Defined Benefit (Pension)

Wisconsin Power & Light Co. Retirement Plan B · $236M · 343 · 96th

  • SCH $236M
  • EBSA 343
  • PART 96th
  • TYPE Defined Benefit (Pension)
  • NET near Cement Masons Southern California Pension Trust
  • BOOK ind #559

Stamps derive from this plan's Form 5500 line items (assets, participants, type, EIN, cohort placement) - not a quality rating of the sponsor. Read with Utilities retirement plans → · Plans in Wisconsin →

Wisconsin Power & Light Co. Retirement Plan B in the asset neighbourhood

Cement Masons Southern California Pension TrustCement Masons Southern Calif…$236MWisconsin Power & Light Co. Retirement Plan BWisconsin Power & Light Co. …$236MUnify Inc. Pension Plan$235MCoca-Cola Consolidated, Inc. Employees Pension PlanCoca-Cola Consolidated, Inc.…$235MEvonik Corporation Retirement PlanEvonik Corporation Retiremen…$235M
End-of-year total assets ($M) among Wisconsin Power & Light Co. Retirement Plan B and nearest nationwide Defined Benefit (Pension) peers. Source: DOL Form 5500 plan year 2022.

Utilities filing particulars

Total Assets (Beginning of Year)$358M
Net Assets (End of Year)$236M
Net Income-$122M
Employer EIN390714890
Plan Effective Date1940-04-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Wisconsin Power & Light Company)

Sponsor-wide plan assets over time

All Wisconsin Power & Light Company plans reported in each filing year

Latest sponsor-wide plan assets
$248M 5.323899779356343% vs 2022
2024 filing year
$230M$235M$240M$245M$250M 202220232024 $236M $248M ▲ +5.3%
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 Scatter plot of 6 data points. -5000050001000015000 01234 Total assets ($B) Participants Wisconsin Power & Light Co. Retirement Plan B, Total assets ($B): 0.235660071 · Participants: 343Wisconsin Power & Light Co. Retirement Plan BThe Northwestern Mutual Employee Retirement Plan, Total assets ($B): 3.074208374 · Participants: 7377The Northwestern Mutual Employee Retirement PlanBuilding Trades United Pension Trust Fund Milwaukee and Vicinity, Total assets ($B): 2.951985172 · Participants: 9724Building Trades United Pension Trust Fund Milwaukee and VicinityRockwell Automation Pension Plan, Total assets ($B): 2.144532065 · Participants: 3077Rockwell Automation Pension PlanThe Northwestern Mutual Life Insurance Company Agents Retirement Plan, Total assets ($B): 1.927367772 · Participants: 7278The Northwestern Mutual Life Insurance Company Agents Retirement PlanHarley-Davidson Retirement Plan, Total assets ($B): 1.826706645 · Participants: 1744Harley-Davidson Retirement Plan
Wisconsin Power & Light Co. Retirement Plan B vs. nearby Defined Benefit (Pension) plans in Wisconsin, assets vs. participants
Compare Wisconsin Power & Light Co. Retirement Plan B side-by-side with 3 peers →

Wisconsin Power & Light Co. Retirement Plan B's out-of-state Defined Benefit (Pension) peers by assets and headcount

Outside Wisconsin, the nearest Defined Benefit (Pension) by assets is Cement Masons Southern California Pension Trust in CA ($236M); by covered participants it is A&b Enhanced Partner Cash Balance Pension Plan in GA (343 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($236M here).

Similar participant headcount

Nearest other-state filings by covered participants (343 participants); asset peers above are excluded.

DOL Form 5500 plan year 2022. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Wisconsin Power & Light Co. Retirement Plan B assets move in 2022? ▼
Wisconsin Power & Light Co. Retirement Plan B contracted severely - down 34.1% during 2022, from $358M to $236M. Reported net income was -$122M.
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 96th percentile by end-of-year assets among 139,126 plans that reported assets for plan year 2022 (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 Cement Masons Southern California Pension Trust in CA ($236M, 2,159 participants).
Which Defined Benefit (Pension) plans cover a similar participant headcount to Wisconsin Power & Light Co. Retirement Plan B? ▼
Among Defined Benefit (Pension) plans in other states, the closest by covered participants is A&b Enhanced Partner Cash Balance Pension Plan in GA (343 participants, $112M in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2022.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 390714890.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from U.S. Department of Labor Form 5500 filings (EBSA). See our methodology for details.