401(k) · DOL Form 5500 · 2024
Midamerican Energy Company 401(k) Plan
Data updated 2026-08-25
- $1.1B
- Total assets Very large vs avg
- 4,976
- Participants Above avg headcount
- 99th
- Percentile by assets National rank
- $217,364
- Avg per participant Above avg balance/head
Official DOL plan name: Midamerican Energy Company Retirement Savings Plan · Sponsored by Midamerican Energy Company · Iowa · Utilities
$1.1B in assets, 4,976 participants
Midamerican Energy Company's Midamerican Energy Company Retirement Savings Plan reported $1.1B in total assets and 4,976 participants in its 2024 DOL Form 5500 filing, ranking in the 99th 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.
- #647 in Utilities (732 peers)
Coverage in Iowa
Midamerican Energy Company Retirement Savings Plan covers 4,976 participants in Iowa, 8.2x the typical Iowa plan (state average ~609 per filing). Assets: $1.1B.
- #647
- in Utilities (732 peers)
- -5.8%
- assets change YoY
- 11×
- vs typical plan assets (national mean)
The plan reported a net loss of $67M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.
Midamerican Energy Company Retirement Savings Plan's outsized position by total assets
Midamerican Energy Company Retirement Savings Plan vs every filed plan by assets
End-of-year total assets · plan year 2024 · DOL Form 5500
$1,081,604,890 Top 1% higher than 99% of 123,620 filed plans
Dashed line + filled bar = this entry, among filed plans.
Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2024
Midamerican Energy Company Retirement Savings Plan's large-plan peer group by participant headcount
Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Midamerican Energy Company Retirement Savings Plan lands in the large band (4,976 participants).
What changed between DOL Form 5500 filings
plan year 2023 → plan year 2024
- Midamerican Energy Company Retirement Savings Plan reported net income fell from $282M in the plan year 2023 filing to -$67M in the plan year 2024 filing.
- Midamerican Energy Company Retirement Savings Plan end-of-year assets fell from $1.7B in the plan year 2023 filing to $1.1B in the plan year 2024 filing.
- Midamerican Energy Company Retirement Savings Plan reported participants fell from 5,056 in the plan year 2023 filing to 4,976 in the plan year 2024 filing.
Published 5500 schedule card
Filing strip 421425214 · Midamerican Energy Company PY 2024 · 401(k)
Midamerican Energy Company Retirement Savings Plan · $1.1B · 4,976 · 99th
- BOY $1.1B
- BOY 4,976
- BOY 99th
- BOY 401(k)
- BOY near Chicago Mercantile Exchange, Inc. 401(k) Savings Plan
- BOY ind #647
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 Iowa →
Midamerican Energy Company Retirement Savings Plan in the asset neighbourhood
Iowa filing particulars
| Total Assets (Beginning of Year) | $1.1B |
|---|---|
| Net Assets (End of Year) | $1.1B |
| Net Income | -$67M |
| Employer EIN | 421425214 |
| Plan Effective Date | 1976-08-01 |
| Filing Status | FILING RECEIVED |
Sponsor Plan History (Midamerican Energy Company)
Sponsor-wide plan assets over time
All Midamerican Energy Company plans reported in each filing year
- Latest sponsor-wide plan assets
- $12.0B 575.5536742641146% vs 2022
- 2024 filing year
| Year | Plans | Participants | Total Assets |
|---|---|---|---|
| 2022 | 2 | 8,307 | $1.8B |
| 2023 | 2 | 8,058 | $2.2B |
| 2024 | 10 | 49,803 | $12.0B |
Nearby 401(k) Plans in Iowa
Peer 401(k) plans, same state, same plan type, ranked by total assets.
- The Principal Select Savings Plan $4.6B · 12,841
- The Rsm US LLP Retirement Plan $3.4B · 14,728
- Iowa Health System Section 401(k) Retirement Savings Plan $3.3B · 25,072
- The Hy-Vee and Affiliates 401(k) Plan $3.1B · 55,411
- Transamerica 401(k) Retirement Savings Plan $2.7B · 8,059
Midamerican Energy Company Retirement Savings Plan's out-of-state 401(k) peers by assets and headcount
Outside Iowa, the nearest 401(k) by assets is Chicago Mercantile Exchange, Inc. 401(k) Savings Plan in IL ($1.1B); by covered participants it is Great Wolf Resorts 401(k) Plan in IL (4,977 participants). Same-state nearby plans are listed separately above.
Closest by plan assets
Nearest other-state filings by tot_assets_eoy ($1.1B here).
- Chicago Mercantile Exchange, Inc. 401(k) Savings Plan (IL) $1.1B · 2,209
- Mckee Foods Retirement Plan (TN) $1.1B · 7,011
- The Gi Alliance Management 401(k) Savings Plan (TX) $1.1B · 5,885
- Gen Digital Inc. 401(k) Plan (AZ) $1.1B · 1,270
Similar participant headcount
Nearest other-state filings by covered participants (4,976 participants); asset peers above are excluded.
- Great Wolf Resorts 401(k) Plan (IL) 4,977 · 1 off
- Liberty Energy Services 401(k) Savings Plan (CO) 4,972 · 4 off
- Scholastic Corporation 401(k) Savings and Retirement Plan (NY) 4,982 · 6 off
- The Savings Investment Plan for Employees of Reckitt Benckiser LLC (NJ) 4,970 · 6 off
DOL Form 5500 plan year 2024. Asset totals can differ widely at the same headcount; neither axis is a quality rating.