401(k) · DOL Form 5500 · 2023

American Electric Power Service Corporation 401(k) Plan

Data updated 2026-08-06

$5.2B
Total assets: 17,291
Participants: 100th
Percentile by assets: $298,904
Avg per participant

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.

100th percentile by assets (of 126,618 plans)
#701 in Utilities (719 peers)

Coverage in Ohio

Aep Retirement Savings 401(k) Plan covers 17,291 participants in Ohio, 22x the typical Ohio plan (state average ~787 per filing). Assets: $5.2B.

$5.2B
total plan assets (2023 EOY): 17,291
covered participants: 100th
percentile by assets (of 126,618 plans): $298,904
avg assets per participant

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 2023→2024 release diff →

State

Ohio

Industry

Utilities

Participants vs Ohio filers

In Ohio, the average filing covers about 787 participants across 4,840 plans. Aep Retirement Savings 401(k) Plan reports 17,291 participants - 22x that state average ($5.2B EOY assets).

Ohio filing particulars

Total Assets (Beginning of Year)	$4.7B
Net Assets (End of Year)	$5.2B
Net Income	$480M
Employer EIN	134922641
Plan Effective Date	1978-01-01
Filing Status	FILING RECEIVED

Sponsor Plan History (American Electric Power Service Corporation)

Total plan assets by year, all American Electric Power Service Corporation plans on file

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

GE Retirement Savings Plan $19.5B · 59,766
The Sherwin-Williams Company 401(k) Plan $10.1B · 47,362
The Progressive 401(k) Plan $9.2B · 56,176
The Kroger Co. 401(k) Retirement Savings Account Plan $8.4B · 129,769
Nationwide Savings Plan $7.6B · 24,715

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 (0.044% of the $11.6T held by all Form 5500 filers in the national rollup , and 0.019% of 89,805,449 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 (401(k), $5.2B, 17,531 participants)
American Electric Power System Retirement Plan (Defined Benefit (Pension), $4.1B, 16,073 participants)

Similar-Sized 401(k) Plans Nationally

401(k) plans in other states closest to Aep Retirement Savings 401(k) Plan by total assets, not by location.

Applied Materials, Inc. Employee Savings & Retirement Plan (CA) $5.1B · 14,583
The Quest Diagnostics Profit Sharing Plan (NJ) $5.1B · 48,629
Employees Savings and Retirement Plan of Credit Suisse (NY) $5.2B · 6,563
The 401(k) Savings and Profit Sharing Plan of S&p Global Inc. and Its Subsidiaries (NY) $5.2B · 4,843

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 126,618 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).

Next read for Aep Retirement Savings 401(k) Plan

Filing takeaways

Ways to act on Aep Retirement Savings 401(k) Plan's numbers.

By total assets, Aep Retirement Savings 401(k) Plan ranks among the largest 1% of all filed plans. See the largest plans
Compare it side-by-side against 3 similar 401(k) plans in Ohio. Compare plans
American Electric Power Service Corporation's sponsor-wide assets have grown 1.2% 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 134922641.