401(k) · DOL Form 5500 · 2023

American Electric Power Service Corporation 401(k) Plan

Data updated 2026-08-25

$5.2B
Total assets Very large vs avg
17,291
Participants Very large workforce
100th
Percentile by assets National rank
$298,904
Avg per participant High balance/head
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Official DOL plan name: Aep Retirement Savings 401(k) Plan · Sponsored by American Electric Power Service Corporation · Ohio · Utilities

$5.2B in assets, 17,291 participants

American Electric Power Service Corporation's Aep Retirement Savings 401(k) Plan reported $5.2B in total assets and 17,291 participants in its 2023 DOL Form 5500 filing, ranking in the 100th 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.

  • #703 in Utilities (721 peers)

Coverage in Ohio

Aep Retirement Savings 401(k) Plan covers 17,291 participants in Ohio, 23x the typical Ohio plan (state average ~765 per filing). Assets: $5.2B.

#703
in Utilities (721 peers)
+10.6%
assets growth YoY
52×
vs typical plan assets (national mean)

Aep Retirement Savings 401(k) Plan's outsized position by total assets

Aep Retirement Savings 401(k) Plan vs every filed plan by assets

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

$5,168,340,578 Highest reported value at or above every one 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

Aep Retirement Savings 401(k) Plan's mega-plan peer group by participant headcount

Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Aep Retirement Savings 401(k) Plan is a mega filing (17,291 participants), the rightmost band on the breakdown.

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Aep Retirement Savings 401(k) Plan reported net income rose from -$1.0B in the plan year 2022 filing to $480M in the plan year 2023 filing.
  • Aep Retirement Savings 401(k) Plan end-of-year assets rose from $4.7B in the plan year 2022 filing to $5.2B in the plan year 2023 filing.
  • Aep Retirement Savings 401(k) Plan reported participants rose from 16,985 in the plan year 2022 filing to 17,291 in the plan year 2023 filing.

See the national 2022→2023 release diff →

Published 5500 schedule card

Filing strip 134922641 · American Electric Power Service Corporation PY 2023 · 401(k)

Aep Retirement Savings 401(k) Plan · $5.2B · 17,291 · 100th

  • RANK $5.2B
  • PHOTO 17,291
  • IND 100th
  • EOY 401(k)
  • 5500 near Applied Materials, Inc. Employee Savings & Retirement Plan
  • ASSETS ind #703

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 Ohio →

Aep Retirement Savings 401(k) Plan in the asset neighbourhood

The 401(k) Savings and Profit Sharing Plan of S&p Global Inc. and Its SubsidiariesThe 401(k) Savings and Profi…$5.2BEmployees Savings and Retirement Plan of Credit SuisseEmployees Savings and Retire…$5.2BAep Retirement Savings 401(k) PlanAep Retirement Savings 401(k…$5.2BApplied Materials, Inc. Employee Savings & Retirement PlanApplied Materials, Inc. Empl…$5.1BThe Quest Diagnostics Profit Sharing PlanThe Quest Diagnostics Profit…$5.1B
End-of-year total assets ($B) among Aep Retirement Savings 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

Ohio filing particulars

Total Assets (Beginning of Year)$4.7B
Net Assets (End of Year)$5.2B
Net Income$480M
Employer EIN134922641
Plan Effective Date1978-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (American Electric Power Service Corporation)

Sponsor-wide plan assets over time

All American Electric Power Service Corporation plans reported in each filing year

Latest sponsor-wide plan assets
$9.3B 1.1984019481086186% vs 2022
2024 filing year
$9B$9.2B$9.4B$9.6B$9.8B 202220232024 $9.17B $9.28B ▲ +1.2%
Year Plans Participants Total Assets
2022 2 32,822 $9.2B
2023 2 32,886 $9.6B
2024 2 33,604 $9.3B

Nearby 401(k) Plans in Ohio

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

Aep Retirement Savings 401(k) Plan vs. nearby 401(k) plans in Ohio, assets vs. participants Scatter plot of 6 data points. 050000100000150000 0510152025 Total assets ($B) Participants Aep Retirement Savings 401(k) Plan, Total assets ($B): 5.168340578 · Participants: 17291Aep Retirement Savings 401(k) PlanGE Retirement Savings Plan, Total assets ($B): 19.485469047 · Participants: 59766GE Retirement Savings PlanThe Sherwin-Williams Company 401(k) Plan, Total assets ($B): 10.12932701 · Participants: 47362The Sherwin-Williams Company 401(k) PlanThe Progressive 401(k) Plan, Total assets ($B): 9.225573063 · Participants: 56176The Progressive 401(k) PlanThe Kroger Co. 401(k) Retirement Savings Account Plan, Total assets ($B): 8.445085 · Participants: 129769The Kroger Co. 401(k) Retirement Savings Account PlanNationwide Savings Plan, Total assets ($B): 7.618883027 · Participants: 24715Nationwide Savings Plan
Aep Retirement Savings 401(k) Plan vs. nearby 401(k) plans in Ohio, assets vs. participants
Compare Aep Retirement Savings 401(k) Plan side-by-side with 3 peers →

Scale composition for Aep Retirement Savings 401(k) Plan

Aep Retirement Savings 401(k) Plan reports $5.2B in end-of-year assets across 17,291 participants (0.042% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.018% of 93,925,755 covered participants) - about $298,904 per participant (2.2x the national average assets-per-participant) . Net income for plan year 2023 was $480M.

This plan identity (EIN 134922641, plan #002) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $4.7B to $5.2B (+11.2%) while covered participants moved from 16,985 to 17,531 . Single-year sparse filers cannot show that trail.

Plan year Participants EOY assets Filing
2022 16,985 $4.7B Open filing
2023 17,291 $5.2B This page
2024 · index core 17,531 $5.2B Open filing

The same sponsor also keeps 2 other index-core plans on PlainRetire:

Aep Retirement Savings 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside Ohio, the nearest 401(k) by assets is Applied Materials, Inc. Employee Savings & Retirement Plan in CA ($5.1B); by covered participants it is Air Liquide & Airgas 401(k) Plan in TX (17,298 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (17,291 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 Aep Retirement Savings 401(k) Plan assets move in 2023? ▼
Aep Retirement Savings 401(k) Plan grew at a solid clip - up 10.6% during 2023, from $4.7B to $5.2B. Reported net income was $480M.
How have American Electric Power Service Corporation plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), American Electric Power Service Corporation's sponsor-wide assets grew 1.2%, from $9.2B to $9.3B.
Where does Aep Retirement Savings 401(k) Plan rank by assets among Form 5500 filers? ▼
Aep Retirement Savings 401(k) Plan ranks in the 100th percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (among the largest 1% of all filed plans).
Which 401(k) plans are similar in size to Aep Retirement Savings 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Applied Materials, Inc. Employee Savings & Retirement Plan in CA ($5.1B, 14,583 participants).
Which 401(k) plans cover a similar participant headcount to Aep Retirement Savings 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Air Liquide & Airgas 401(k) Plan in TX (17,298 participants, $2.0B 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 134922641.

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.