Defined Benefit (Pension) · DOL Form 5500 · 2022

Interstate Power and Light Company Pension Plan

Data updated 2026-08-25

$264M
Total assets Near avg plan size
447
Participants Below avg headcount
96th
Percentile by assets National rank
$591,642
Avg per participant High balance/head
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Official DOL plan name: Ipl Retirement Plan for Bargaining Unit Ees · Sponsored by Interstate Power and Light Company · Wisconsin · Utilities

$264M in assets, 447 participants

Interstate Power and Light Company's Ipl Retirement Plan for Bargaining Unit Ees reported $264M in total assets and 447 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.

  • #567 in Utilities (738 peers)

Where Ipl Retirement Plan for Bargaining Unit Ees sits by assets

Ipl Retirement Plan for Bargaining Unit Ees sits in the top 5% of all filed plans by assets, $264M for 447 participants (~$591,642/participant), down 23.6% in 2022.

#567
in Utilities (738 peers)
-23.6%
assets change YoY
2.7×
vs typical plan assets (national mean)

The plan reported a net loss of $82M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

Ipl Retirement Plan for Bargaining Unit Ees's outsized position by total assets

Ipl Retirement Plan for Bargaining Unit Ees vs every filed plan by assets

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

$264,463,778 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

Ipl Retirement Plan for Bargaining Unit Ees 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. Ipl Retirement Plan for Bargaining Unit Ees sits mid-pack in the medium band (447 participants).

Form 5500 schedule snapshot

Filing strip 420331370 · Interstate Power and Light Company PY 2022 · Defined Benefit (Pension)

Ipl Retirement Plan for Bargaining Unit Ees · $264M · 447 · 96th

  • 5500 $264M
  • ASSETS 447
  • PCT 96th
  • EIN Defined Benefit (Pension)
  • RANK near Iron Workers Pension Plan of Western Pennsylvania
  • PHOTO ind #567

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 →

Ipl Retirement Plan for Bargaining Unit Ees in the asset neighbourhood

Retirement Plan for Employees of Reckitt Benckiser LLCRetirement Plan for Employee…$265MStamford Health System Retirement Income PlanStamford Health System Retir…$265MIron Workers Pension Plan of Western PennsylvaniaIron Workers Pension Plan of…$264MIpl Retirement Plan for Bargaining Unit EesIpl Retirement Plan for Barg…$264MIng Financial Services LLC Retirement PlanIng Financial Services LLC R…$264M
End-of-year total assets ($M) among Ipl Retirement Plan for Bargaining Unit Ees and nearest nationwide Defined Benefit (Pension) peers. Source: DOL Form 5500 plan year 2022.

Scale-class filing particulars (2022)

Total Assets (Beginning of Year)$346M
Net Assets (End of Year)$264M
Net Income-$82M
Employer EIN420331370
Plan Effective Date1949-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Interstate Power and Light Company)

Sponsor-wide plan assets over time

All Interstate Power and Light Company plans reported in each filing year

Latest sponsor-wide plan assets
$266M 0.6074937793560523% vs 2022
2024 filing year
$260M$265M$270M$275M 202220232024 $264M $266M ▲ +0.6%
Year Plans Participants Total Assets
2022 1 447 $264M
2023 1 361 $273M
2024 1 344 $266M

Nearby Defined Benefit (Pension) Plans in Wisconsin

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

Ipl Retirement Plan for Bargaining Unit Ees vs. nearby Defined Benefit (Pension) plans in Wisconsin, assets vs. participants Scatter plot of 6 data points. -5000050001000015000 01234 Total assets ($B) Participants Ipl Retirement Plan for Bargaining Unit Ees, Total assets ($B): 0.264463778 · Participants: 447Ipl Retirement Plan for Bargaining Unit EesThe 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
Ipl Retirement Plan for Bargaining Unit Ees vs. nearby Defined Benefit (Pension) plans in Wisconsin, assets vs. participants

Ipl Retirement Plan for Bargaining Unit Ees's out-of-state Defined Benefit (Pension) peers by assets and headcount

Outside Wisconsin, the nearest Defined Benefit (Pension) by assets is Iron Workers Pension Plan of Western Pennsylvania in PA ($264M); by covered participants it is Foodland Super Market, Ltd. Pension Plan in HI (447 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (447 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 Ipl Retirement Plan for Bargaining Unit Ees assets move in 2022?
Ipl Retirement Plan for Bargaining Unit Ees declined sharply - down 23.6% during 2022, from $346M to $264M. Reported net income was -$82M.
How have Interstate Power and Light Company plan assets changed over time?
Across 3 plan years on file (2022-2024), Interstate Power and Light Company's sponsor-wide assets grew 0.6%, from $264M to $266M.
Where does Ipl Retirement Plan for Bargaining Unit Ees rank by assets among Form 5500 filers?
Ipl Retirement Plan for Bargaining Unit Ees 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 Ipl Retirement Plan for Bargaining Unit Ees?
Among Defined Benefit (Pension) plans in other states, the closest by assets is Iron Workers Pension Plan of Western Pennsylvania in PA ($264M, 1,093 participants).
Which Defined Benefit (Pension) plans cover a similar participant headcount to Ipl Retirement Plan for Bargaining Unit Ees?
Among Defined Benefit (Pension) plans in other states, the closest by covered participants is Foodland Super Market, Ltd. Pension Plan in HI (447 participants, $59M in assets).