401(k) · DOL Form 5500 · 2023

Prairie State Generating Company, LLC 401(k) Plan

Data updated 2026-08-25

$119M
Total assets Near avg plan size
611
Participants Below avg headcount
92nd
Percentile by assets National rank
$195,548
Avg per participant Above avg balance/head
PlainRetire home → About this data RSS: change history

Official DOL plan name: Prairie State Generating Company, LLC 401(k) Plan · Sponsored by Prairie State Generating Company, LLC · Illinois · Utilities

$119M in assets, 611 participants

Prairie State Generating Company, LLC's Prairie State Generating Company, LLC 401(k) Plan reported $119M in total assets and 611 participants in its 2023 DOL Form 5500 filing, ranking in the 92nd 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.

  • #467 in Utilities (721 peers)

Utilities sector rank

Within Utilities, Prairie State Generating Company, LLC 401(k) Plan ranks #467 of 721 2023 filers by assets (449% of the sector average)-$119M for 611 participants.

#467
in Utilities (721 peers)
+22.1%
assets growth YoY
1.2×
vs typical plan assets (national mean)

Prairie State Generating Company, LLC 401(k) Plan's outsized position by total assets

Prairie State Generating Company, LLC 401(k) Plan vs every filed plan by assets

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

$119,479,863 Top 8% higher than 92% of 127,068 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 2023

Prairie State Generating Company, LLC 401(k) Plan among mid-size filed plans by headcount

Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Prairie State Generating Company, LLC 401(k) Plan sits mid-pack in the medium band (611 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Prairie State Generating Company, LLC 401(k) Plan reported net income rose from -$17M in the plan year 2022 filing to $22M in the plan year 2023 filing.
  • Prairie State Generating Company, LLC 401(k) Plan end-of-year assets rose from $98M in the plan year 2022 filing to $119M in the plan year 2023 filing.

See the national 2022→2023 release diff →

Plan-year Form 5500 strip

Filing strip 431941772 · Prairie State Generating Company, LLC PY 2023 · 401(k)

Prairie State Generating Company, LLC 401(k) Plan · $119M · 611 · 92nd

  • BOY $119M
  • BOY 611
  • BOY 92nd
  • BOY 401(k)
  • BOY near Success Academy Charter Schools Retirement Plan
  • BOY ind #467

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 Illinois →

Prairie State Generating Company, LLC 401(k) Plan in the asset neighbourhood

The Corvallis Clinic, P.C. 401(k) PlanThe Corvallis Clinic, P.C. 4…$120M21st Century Fox America Consolidated Savings Plan21st Century Fox America Con…$119MPrairie State Generating Company, LLC 401(k) PlanPrairie State Generating Com…$119MSuccess Academy Charter Schools Retirement PlanSuccess Academy Charter Scho…$119MFossil Group, Inc. Savings and Retirement PlanFossil Group, Inc. Savings a…$119M
End-of-year total assets ($M) among Prairie State Generating Company, LLC 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

Utilities filing particulars

Total Assets (Beginning of Year)$98M
Net Assets (End of Year)$119M
Net Income$22M
Employer EIN431941772
Plan Effective Date2008-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Prairie State Generating Company, LLC)

Sponsor-wide plan assets over time

All Prairie State Generating Company, LLC plans reported in each filing year

Latest sponsor-wide plan assets
$138M 40.89399318844041% vs 2022
2024 filing year
$80M$100M$120M$140M$160M 202220232024 $97.9M $138M ▲ +40.9%
Year Plans Participants Total Assets
2022 1 611 $98M
2023 1 611 $119M
2024 1 630 $138M

Nearby 401(k) Plans in Illinois

Peer 401(k) plans, same state, same plan type, ranked by total assets.

Prairie State Generating Company, LLC 401(k) Plan vs. nearby 401(k) plans in Illinois, assets vs. participants Scatter plot of 6 data points. -1000000100000200000300000 -505101520 Total assets ($B) Participants Prairie State Generating Company, LLC 401(k) Plan, Total assets ($B): 0.119479863 · Participants: 611Prairie State Generating Company, LLC 401(k) PlanAccenture United States 401(k) Match Savings Plan, Total assets ($B): 17.594548115 · Participants: 69974Accenture United States 401(k) Match Savings PlanState Farm 401(k) Savings Plan, Total assets ($B): 16.935002041 · Participants: 60246State Farm 401(k) Savings PlanAbbott Laboratories Stock Retirement Plan, Total assets ($B): 14.496191 · Participants: 38012Abbott Laboratories Stock Retirement PlanUnited Airlines Pilot Retirement Account Plan, Total assets ($B): 14.367975914 · Participants: 14959United Airlines Pilot Retirement Account PlanWalgreens Retirement Savings Plan, Total assets ($B): 13.444551767 · Participants: 235331Walgreens Retirement Savings Plan
Prairie State Generating Company, LLC 401(k) Plan vs. nearby 401(k) plans in Illinois, assets vs. participants
Compare Prairie State Generating Company, LLC 401(k) Plan side-by-side with 3 peers →

Prairie State Generating Company, LLC 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside Illinois, the nearest 401(k) by assets is Success Academy Charter Schools Retirement Plan in NY ($119M); by covered participants it is Ngl Energy 401(k) Plan in OK (611 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (611 participants); asset peers above are excluded.

DOL Form 5500 plan year 2023. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Prairie State Generating Company, LLC 401(k) Plan assets move in 2023? ▼
Prairie State Generating Company, LLC 401(k) Plan grew sharply - up 22.1% during 2023, from $98M to $119M. Reported net income was $22M.
How have Prairie State Generating Company, LLC plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Prairie State Generating Company, LLC's sponsor-wide assets grew 40.9%, from $98M to $138M.
Where does Prairie State Generating Company, LLC 401(k) Plan rank by assets among Form 5500 filers? ▼
Prairie State Generating Company, LLC 401(k) Plan ranks in the 92nd percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (in the top 10% of all filed plans by assets).
Which 401(k) plans are similar in size to Prairie State Generating Company, LLC 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Success Academy Charter Schools Retirement Plan in NY ($119M, 3,087 participants).
Which 401(k) plans cover a similar participant headcount to Prairie State Generating Company, LLC 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Ngl Energy 401(k) Plan in OK (611 participants, $107M in assets).

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 431941772.

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.