401(k) · DOL Form 5500 · 2024
Midamerican Energy Company 401(k) Plan
Data updated 2026-08-25
- $964M
- Total assets Above avg plan size
- 5,086
- Participants Above avg headcount
- 98th
- Percentile by assets National rank
- $189,513
- Avg per participant Above avg balance/head
Official DOL plan name: Midamerican Energy Company Retirement Savings Plan · Sponsored by Midamerican Energy Company · Iowa · Utilities
$964M in assets, 5,086 participants
Midamerican Energy Company's Midamerican Energy Company Retirement Savings Plan reported $964M in total assets and 5,086 participants in its 2024 DOL Form 5500 filing, ranking in the 98th 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.
- #637 in Utilities (732 peers)
Coverage in Iowa
Midamerican Energy Company Retirement Savings Plan covers 5,086 participants in Iowa, 8.4x the typical Iowa plan (state average ~609 per filing). Assets: $964M.
- #637
- in Utilities (732 peers)
- -4.5%
- assets change YoY
- 9.7×
- vs typical plan assets (national mean)
The plan reported a net loss of $45M 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
$963,862,784 Top 2% higher than 98% 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 (5,086 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 -$45M 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 $964M in the plan year 2024 filing.
- Midamerican Energy Company Retirement Savings Plan reported participants rose from 5,056 in the plan year 2023 filing to 5,086 in the plan year 2024 filing.
DOL schedule card
Filing strip 421425214 · Midamerican Energy Company PY 2024 · 401(k)
Midamerican Energy Company Retirement Savings Plan · $964M · 5,086 · 98th
- BOOK $964M
- BOOK 5,086
- BOOK 98th
- BOOK 401(k)
- BOOK near Daiichi Sankyo, Inc. Savings and Retirement Plan
- BOOK ind #637
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) | $1.0B |
|---|---|
| Net Assets (End of Year) | $964M |
| Net Income | -$45M |
| 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
Scale composition for Midamerican Energy Company Retirement Savings Plan
Midamerican Energy Company Retirement Savings Plan reports $964M in end-of-year assets across 5,086 participants (0.008% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.005% of 93,925,755 covered participants) - about $189,513 per participant (1.4x the national average assets-per-participant) . Net income for plan year 2024 was -$45M.
This plan identity (EIN 421425214, plan #002) has 11 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $1.3B to $2.0B (+54.3%) while covered participants moved from 4,986 to 6,813 . Single-year sparse filers cannot show that trail.
| Plan year | Participants | EOY assets | Filing |
|---|---|---|---|
| 2022 | 4,986 | $1.3B | Open filing |
| 2023 | 5,056 | $1.7B | Open filing |
| 2024 | 5,055 | $1.4B | Open filing |
| 2024 | 4,976 | $1.1B | Open filing |
| 2024 | 4,964 | $1.6B | Open filing |
| 2024 | 5,056 | $1.0B | Open filing |
| 2024 | 5,086 | $964M | This page |
| 2024 | 5,052 | $1.3B | Open filing |
| 2024 | 5,020 | $1.0B | Open filing |
| 2024 | 4,976 | $1.1B | Open filing |
| 2024 · index core | 6,813 | $2.0B | Open filing |
The same sponsor also keeps 2 other index-core plans on PlainRetire:
- Midamerican Energy Company Retirement Savings Plan (401(k), $2.0B, 6,813 participants)
- Midamerican Energy Company Retirement Plan (Defined Benefit (Pension), $521M, 2,805 participants)
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 Daiichi Sankyo, Inc. Savings and Retirement Plan in NJ ($964M); by covered participants it is Naphcare US Inc. 401(k) Plan in AL (5,086 participants). Same-state nearby plans are listed separately above.
Closest by plan assets
Nearest other-state filings by tot_assets_eoy ($964M here).
- Daiichi Sankyo, Inc. Savings and Retirement Plan (NJ) $964M · 2,049
- Dte Electric Company Savings and Stock Ownership Plan for Employees Represented by Local 223 of the Utility Workers Union of America (MI) $963M · 3,556
- Chemours Company Retirement Savings Plan (DE) $965M · 4,180
- Travel + Leisure Co. Employee Savings Plan (FL) $963M · 14,490
Similar participant headcount
Nearest other-state filings by covered participants (5,086 participants); asset peers above are excluded.
- Naphcare US Inc. 401(k) Plan (AL) 5,086 · 0 off
- Operating Engineers Local 77 Individual Account Plan (MD) 5,085 · 1 off
- Fisher Auto Parts 401(k) Plan (VA) 5,083 · 3 off
- Ericsson US 401(k) Plan (TX) 5,089 · 3 off
DOL Form 5500 plan year 2024. Asset totals can differ widely at the same headcount; neither axis is a quality rating.