Defined Benefit (Pension) · DOL Form 5500 · 2024

Midamerican Energy Company Pension Plan

Data updated 2026-08-06

$521M
Total assets: 2,805
Participants: 97th
Percentile by assets: $185,859
Avg per participant

Official DOL plan name: Midamerican Energy Company Retirement Plan · Sponsored by Midamerican Energy Company · Iowa · Utilities

$521M in assets, 2,805 participants

Midamerican Energy Company's Midamerican Energy Company Retirement Plan reported $521M in total assets and 2,805 participants in its 2024 DOL Form 5500 filing, ranking in the 97th 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.

97th percentile by assets (of 116,472 plans)

Coverage in Iowa

Midamerican Energy Company Retirement Plan covers 2,805 participants in Iowa, 4.4x the typical Iowa plan (state average ~632 per filing). Assets: $521M.

$521M
total plan assets (2024 EOY): 2,805
covered participants: 97th
percentile by assets (of 116,472 plans): $185,859
avg assets per participant

Midamerican Energy Company Retirement Plan reported net income fell from $26M in the plan year 2023 filing to $5M in the plan year 2024 filing.
Midamerican Energy Company Retirement Plan reported participants fell from 3,002 in the plan year 2023 filing to 2,805 in the plan year 2024 filing.
Midamerican Energy Company Retirement Plan end-of-year assets rose from $516M in the plan year 2023 filing to $521M in the plan year 2024 filing.

See the national 2023→2024 release diff →

State

Iowa

Industry

Utilities

Participants vs Iowa filers

In Iowa, the average filing covers about 632 participants across 1,162 plans. Midamerican Energy Company Retirement Plan reports 2,805 participants - 4.4x that state average ($521M EOY assets).

Iowa filing particulars

Total Assets (Beginning of Year)	$516M
Net Assets (End of Year)	$521M
Net Income	$5M
Employer EIN	421425214
Plan Effective Date	1980-01-01
Filing Status	FILING RECEIVED

Sponsor Plan History (Midamerican Energy Company)

Total plan assets by year, all Midamerican Energy Company plans on file

Year	Plans	Participants	Total Assets
2022	2	8,307	$1.8B
2023	2	8,058	$2.2B
2024	10	49,803	$12.0B

Nearby Defined Benefit (Pension) Plans in Iowa

Peer Defined Benefit (Pension) plans, same state, same plan type, ranked by total assets.

Midamerican Energy Company Retirement Plan vs. nearby Defined Benefit (Pension) plans in Iowa, assets vs. participants

Transamerica Pension Plan $2.2B · 7,170
Principal Cash Balance Plan $1.5B · 11,945
Employers Mutual Casualty Company Retirement Plan $362M · 1,908
Pension Plan of the Plumbers and Steamfitters Local Union No. 33 Retirement Trust $331M · 1,233
Fbl Financial Group Retirement Plan $254M · 533

Compare Midamerican Energy Company Retirement Pl… side-by-side with 3 peers →

Similar-Sized Defined Benefit (Pension) Plans Nationally

Defined Benefit (Pension) plans in other states closest to Midamerican Energy Company Retirement Plan by total assets, not by location.

McKinsey & Company, Inc. Partner Cash Balance Plan (NY) $521M · 1,249
Kaman Corporation Employees' Pension Plan (CT) $521M · 398
Indiana Electrical Workers Pension Plan (IN) $520M · 2,426
Greif Pension Plan (OH) $522M · 1,232

Frequently Asked Questions

How did Midamerican Energy Company Retirement Plan assets move in 2024? ▼

Midamerican Energy Company Retirement Plan edged up modestly - up 1.0% during 2024, from $516M to $521M. Reported net income was $5M.

How have Midamerican Energy Company plan assets changed over time? ▼

Across 3 plan years on file (2022-2024), Midamerican Energy Company's sponsor-wide assets grew 575.6%, from $1.8B to $12.0B.

Where does Midamerican Energy Company Retirement Plan rank by assets among Form 5500 filers? ▼

Midamerican Energy Company Retirement Plan ranks in the 97th percentile by end-of-year assets among 116,472 plans that reported assets for plan year 2024 (in the top 5% of all filed plans by assets).

Which Defined Benefit (Pension) plans are similar in size to Midamerican Energy Company Retirement Plan? ▼

Among Defined Benefit (Pension) plans in other states, the closest by assets is McKinsey & Company, Inc. Partner Cash Balance Plan in NY ($521M, 1,249 participants).

Next read for Midamerican Energy Company Retirement Pl…

Filing takeaways

Ways to act on Midamerican Energy Company Retirement Plan's numbers.

By total assets, Midamerican Energy Company Retirement Plan 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 Iowa. Compare plans
Midamerican Energy Company's sponsor-wide assets have grown 575.6% 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 2024.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 421425214.

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.