Employer · plans filed under one EIN
STP Nuclear Operating Company
Wadsworth, TX · Utilities
Form 5500 information is as filed by the plan administrator with the Department of Labor and may be amended. Figures reflect the plan year shown, not current balances.
2 retirement plans with 100 or more participants file Form 5500 under STP Nuclear Operating Company's employer identification number (Wadsworth, Texas). Their latest filings total 2,652 participant records and $883M in net assets.
The largest is STP Nuclear Operating Company Savings Plan, a 401(k) plan with 1,506 participants. A person can be counted in more than one plan, so the participant total is a count of records rather than of people.
Employer contributions across the plans were $23.4M and participant contributions $17.7M in the latest plan years; benefits paid were $117M. Schedule C compensation reported to service provider organisations totalled $1.1M.
Combined net assets moved from $451M in 2009 to $883M in 2024 (up 96%). Plan mergers and spin-offs show up here as steps in the series.
Plans
| Plan | Kind | Plan year | Participants | Net assets | Per participant | Employer / active | Sch. C compensation |
|---|---|---|---|---|---|---|---|
| STP Nuclear Operating Company Savings Plan | 401(k) plan | 2024 | 1,506 | $483M | $320,614 | $12,896 | $68K |
| STP Nuclear Operating Company Retirement Plan | defined benefit pension plan | 2024 | 1,146 | $400M | $348,746 | $42,632 | $1.0M |
| US median, plan year 2024: DC plans $53,102 per participant, $2,175 employer contribution per active participant; DB plans $86,221 and $10,244. | |||||||
Trend by plan year
| Plan year | Plans | Participant records | Net assets | Employer contributions | Participant contributions |
|---|---|---|---|---|---|
| 2024 | 2 | 2,652 | $883M | $23.4M | $17.7M |
| 2023 | 2 | 2,562 | $864M | $13.6M | $13.7M |
| 2022 | 2 | 2,625 | $825M | $14.7M | $13.4M |
| 2021 | 2 | 2,678 | $1.06B | $53.5M | $15.1M |
| 2020 | 2 | 2,832 | $1.05B | $49.8M | $14.5M |
| 2019 | 2 | 2,895 | $1.01B | $24.6M | $14.8M |
| 2018 | 2 | 2,940 | $905M | $51.1M | $15.3M |
| 2017 | 2 | 2,962 | $968M | $35.7M | $14.8M |
| 2016 | 2 | 2,970 | $853M | $39.3M | $14.0M |
| 2015 | 2 | 2,939 | $812M | $22.6M | $15.6M |
| 2014 | 2 | 2,910 | $817M | $31.2M | $13.7M |
| 2013 | 2 | 2,886 | $765M | $40.1M | $13.0M |
| 2012 | 2 | 2,885 | $645M | $39.9M | $12.9M |
| 2011 | 2 | 2,901 | $558M | $38.8M | $12.6M |
| 2010 | 2 | 2,915 | $524M | $29.5M | $12.4M |
| 2009 | 2 | 2,950 | $451M | $16.4M | $12.4M |
History of the plans listed above, in the years each filed the full Form 5500 with 100 or more participants. Plans that have since terminated are not included.
Service providers
| Organisation | Services reported | Plans | Compensation reported |
|---|---|---|---|
| Willis Towers Watson | Actuarial | 1 | $242,089 |
| Wilshire Associates Incorporated | Investment advisory (plan) | 1 | $206,700 |
| Clarion Partners | Investment management | 1 | $164,492 |
| The Northern Trust Company | Trustee (directed); Investment management | 1 | $133,929 |
| Prudential Bank & Trust Company | Investment management | 1 | $66,058 |
| Acadian Asset Management LLC | Investment management | 1 | $54,626 |
| Forvis Mazars, LLP | Accounting (including auditing) | 1 | $48,500 |
| Creative Planning Holdco, LLC | Investment advisory (plan) | 1 | $45,000 |
| Strategic Advisors, Inc. | Investment advisory (plan) | 1 | $44,842 |
| BlackRock | Investment management | 1 | $32,609 |
| KPMG LLP | Accounting (including auditing) | 1 | $28,168 |
| Davis Hamilton Jackson & Associates | Investment management | 1 | $16,126 |
| Fidelity Investments Institutional | Participant loan processing | 1 | $15,729 |
| The Vanguard Group, Inc. | Recordkeeping and information management; Consulting (general); Participant loan processing | 1 | $7,873 |
Organisations paid $5,000 or more by any of these plans, from Schedule C. Individuals are not shown.
Questions and answers
How many retirement plans does STP Nuclear Operating Company have?
2 plans with 100 or more participants filed Form 5500 under its employer identification number for the latest plan years: STP Nuclear Operating Company Savings Plan and STP Nuclear Operating Company Retirement Plan. Smaller plans and plans filed under a subsidiary's number are not grouped here.
How much does STP Nuclear Operating Company contribute to its plans?
$23,420,274 in employer contributions across these plans in their latest plan years, about $16,996 per active participant record. Form 5500 reports totals and not the match or accrual formula.
Who provides services to these plans?
Schedule C filings name Willis Towers Watson, Wilshire Associates Incorporated, Clarion Partners and The Northern Trust Company and others. Only organisations paid $5,000 or more by a plan are listed on Schedule C.
Where does this come from?
Form 5500 annual reports filed with the Department of Labor's EFAST2 system, from the EBSA research files, with filings received through 24 Aug 2026. Figures are as filed and may be amended.
Provenance
Source: U.S. Department of Labor, Employee Benefits Security Administration, Form 5500 research files, public domain, with filings received through 24 Aug 2026. Plans are grouped by the sponsor's employer identification number exactly as filed; a company that files under several EINs appears as several employers. See the methodology and corrections.