401(k) · DOL Form 5500 · 2024

Prairie State Generating Company, LLC 401(k) Plan

Data updated 2026-08-25

$138M
Total assets Near avg plan size
630
Participants Below avg headcount
92nd
Percentile by assets National rank
$218,915
Avg per participant Above avg balance/head
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Official DOL plan name: Prairie State Generating Company, LLC 401(k) Plan · Sponsored by Prairie State Generating Company, LLC · Illinois · Utilities

$138M in assets, 630 participants

Prairie State Generating Company, LLC's Prairie State Generating Company, LLC 401(k) Plan reported $138M in total assets and 630 participants in its 2024 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.

  • #477 in Utilities (732 peers)

Utilities sector rank

Within Utilities, Prairie State Generating Company, LLC 401(k) Plan ranks #477 of 732 2024 filers by assets (389% of the sector average)-$138M for 630 participants.

#477
in Utilities (732 peers)
+15.4%
assets growth YoY
1.4×
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 2024 · DOL Form 5500

$137,916,255 Top 8% higher than 92% of 123,620 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 2024

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

Plan-year 2024 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 (630 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Prairie State Generating Company, LLC 401(k) Plan end-of-year assets rose from $119M in the plan year 2023 filing to $138M in the plan year 2024 filing.
  • Prairie State Generating Company, LLC 401(k) Plan reported net income fell from $22M in the plan year 2023 filing to $18M in the plan year 2024 filing.
  • Prairie State Generating Company, LLC 401(k) Plan reported participants rose from 611 in the plan year 2023 filing to 630 in the plan year 2024 filing.

See the national 2023→2024 release diff →

DOL schedule card

Filing strip 431941772 · Prairie State Generating Company, LLC PY 2024 · 401(k)

Prairie State Generating Company, LLC 401(k) Plan · $138M · 630 · 92nd

  • SCH $138M
  • EBSA 630
  • PART 92nd
  • TYPE 401(k)
  • NET near Ushio America and Christie Digital Savings and Retirement Plan
  • BOOK ind #477

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

Genedx Holdings Corp. 401(k) PlanGenedx Holdings Corp. 401(k)…$138MPrairie State Generating Company, LLC 401(k) PlanPrairie State Generating Com…$138MUshio America and Christie Digital Savings and Retirement PlanUshio America and Christie D…$138MDbm Global, Inc. 401(k) Plan$138MGogo Inc 401(k) Profit Sharing Plan & TrustGogo Inc 401(k) Profit Shari…$138M
End-of-year total assets ($M) among Prairie State Generating Company, LLC 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Utilities filing particulars

Total Assets (Beginning of Year)$119M
Net Assets (End of Year)$138M
Net Income$18M
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 -50510152025 Total assets ($B) Participants Prairie State Generating Company, LLC 401(k) Plan, Total assets ($B): 0.137916255 · Participants: 630Prairie State Generating Company, LLC 401(k) PlanAccenture United States 401(k) Match and Savings Plan, Total assets ($B): 21.302643276 · Participants: 66965Accenture United States 401(k) Match and Savings PlanState Farm 401(k) Savings Plan, Total assets ($B): 19.010099056 · Participants: 63297State Farm 401(k) Savings PlanUnited Airlines Pilot Retirement Account Plan, Total assets ($B): 16.835964452 · Participants: 16659United Airlines Pilot Retirement Account PlanAbbott Laboratories Stock Retirement Plan, Total assets ($B): 15.755668 · Participants: 38229Abbott Laboratories Stock Retirement PlanWalgreens Retirement Savings Plan, Total assets ($B): 14.535873337 · Participants: 233635Walgreens 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 Ushio America and Christie Digital Savings and Retirement Plan in CA ($138M); by covered participants it is Weber Distribution, LLC 401(k) Plan in CA (630 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($138M here).

Similar participant headcount

Nearest other-state filings by covered participants (630 participants); asset peers above are excluded.

DOL Form 5500 plan year 2024. 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 2024? ▼
Prairie State Generating Company, LLC 401(k) Plan grew sharply - up 15.4% during 2024, from $119M to $138M. Reported net income was $18M.
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 123,622 plans that reported assets for plan year 2024 (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 Ushio America and Christie Digital Savings and Retirement Plan in CA ($138M, 504 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 Weber Distribution, LLC 401(k) Plan in CA (630 participants, $19M in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2024.

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.