Defined Benefit (Pension) · DOL Form 5500 · 2023

Interstate Power and Light Company Pension Plan

Data updated 2026-08-11

$273M
Total assets
361
Participants
96th
Percentile by assets
$755,203
Avg per participant
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Official DOL plan name: Ipl Retirement Plan for Bargaining Unit Ees · Sponsored by Interstate Power and Light Company · Wisconsin · Utilities

$273M in assets, 361 participants

Interstate Power and Light Company's Ipl Retirement Plan for Bargaining Unit Ees reported $273M in total assets and 361 participants in its 2023 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.

  • 96th percentile by assets (of 127,072 plans)
  • #544 in Utilities (721 peers)

Utilities sector rank

Within Utilities, Ipl Retirement Plan for Bargaining Unit Ees ranks #544 of 721 2023 filers by assets (197% of the sector average)-$273M for 361 participants.

$273M
total plan assets (2023 EOY)
361
covered participants
96th
percentile by assets (of 127,072 plans)
$755,203
avg assets per participant

Where Ipl Retirement Plan for Bargaining Unit Ees sits by total assets

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

End-of-year total assets · plan year 2023 · DOL Form 5500

$272,628,232 Top 4% higher than 96% of 127,068 filed plans

This plan $0 $2,010,000,000 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 2023

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Ipl Retirement Plan for Bargaining Unit Ees reported net income rose from -$82M in the plan year 2022 filing to $8M in the plan year 2023 filing.
  • Ipl Retirement Plan for Bargaining Unit Ees reported participants fell from 447 in the plan year 2022 filing to 361 in the plan year 2023 filing.
  • Ipl Retirement Plan for Bargaining Unit Ees end-of-year assets rose from $264M in the plan year 2022 filing to $273M in the plan year 2023 filing.

See the national 2022→2023 release diff →

State
Wisconsin
Industry
Utilities

Rank #544 in Utilities

Among 721 Utilities plans that filed a Form 5500 for plan year 2023, Ipl Retirement Plan for Bargaining Unit Ees ranks #544 by end-of-year assets - about 197% of the sector average of $537M. Nationally it sits in the 96th percentile, a weaker position within its industry than across all filers.

Utilities filing particulars

Total Assets (Beginning of Year)$264M
Net Assets (End of Year)$272M
Net Income$8M
Employer EIN420331370
Plan Effective Date1949-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Interstate Power and Light Company)

$260M$265M$270M$275M 202220232024 $264M $266M ▲ +0.6%
Total plan assets by year, all Interstate Power and Light Company plans on file
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 ($B) Participants Ipl Retirement Plan …, Total assets ($B): 0.272628232 · Participants: 361Ipl Retirement Plan …The Northwestern Mut…, Total assets ($B): 3.298151091 · Participants: 8348The Northwestern Mut…Building Trades Unit…, Total assets ($B): 3.267131995 · Participants: 9960Building Trades Unit…The Northwestern Mut…, Total assets ($B): 2.08393057 · Participants: 7368The Northwestern Mut…Harley-Davidson Reti…, Total assets ($B): 1.912240682 · Participants: 1560Harley-Davidson Reti…Rockwell Automation …, Total assets ($B): 1.77661124 · Participants: 2136Rockwell Automation …
Ipl Retirement Plan for Bargaining Unit Ees vs. nearby Defined Benefit (Pension) plans in Wisconsin, assets vs. participants
Compare Ipl Retirement Plan for Bargaining Unit … side-by-side with 3 peers →

Similar-Sized Defined Benefit (Pension) Plans Nationally

Defined Benefit (Pension) plans in other states closest to Ipl Retirement Plan for Bargaining Unit Ees by total assets, not by location.

Frequently Asked Questions

How did Ipl Retirement Plan for Bargaining Unit Ees assets move in 2023? ▼
Ipl Retirement Plan for Bargaining Unit Ees edged up modestly - up 3.1% during 2023, from $264M to $273M. Reported net income was $8M.
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 127,072 plans that reported assets for plan year 2023 (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 Deaconess Health System, Inc. Retirement Plan in IN ($273M, 1,736 participants).

Next read for Ipl Retirement Plan for Bargaining Unit …

Filing takeaways

Ways to act on Ipl Retirement Plan for Bargaining Unit Ees's numbers.

  • By total assets, Ipl Retirement Plan for Bargaining Unit Ees 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
  • Interstate Power and Light Company's sponsor-wide assets have grown 0.6% since 2022 across 3 plan years on file. More Utilities plans

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2023.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 420331370.

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.