# STP Nuclear Operating Company

STP Nuclear Operating Company is a Pension Fund based in Wadsworth, United States.

## Overview

- **Organization type:** Pension Fund
- **Headquarters:** Wadsworth, United States
- **Region:** North America
- **Address:** P.O. Box 289, Wadsworth, TX 77483, United States
- **Founded:** 1997
- **Assets under management:** 387 (Altss estimate)
- **Website:** stpnoc.com
- **LinkedIn:** https://www.linkedin.com/company/stp-nuclear-operating-company

## Regulatory record

- **Reports private funds:** No

## About

The plan was established in 1997 to serve STP Nuclear Operating Company employees. It operates as a corporate pension vehicle tied directly to the South Texas Project Electric Generating Station. The plan allocates 7.24 percent to private equity and maintains limited-partner positions in real-estate funds managed by Clarion Partners and Metropolitan Real Estate Equity Management. It also holds interests through Bain Capital Credit, MacKay Shields, and Siguler Guff. Geographic exposure centers on the United States, with the core operating asset located in Texas. The plan reports 1,200 professionals at the operating company level. It maintains an additional scholarship vehicle, the STP Energizing the Future Endowed Scholarship, established at Wharton County Junior College in 2024. October 2024: Sponsored A Night of Luck and Legacy to fund educational scholarships. Ownership of the underlying South Texas Project is shared among Constellation Energy (44 percent), CPS Energy (40 percent), and Austin Energy (16 percent). The retirement plan remains separate from these ownership stakes and functions solely as a benefits vehicle for station personnel.

## Sectors

- Energy
- Utilities

## People

- Kym Harshaw — Executive Vice President and Chief Nuclear Officer

## Questions

### Who runs investment decisions at STP Nuclear Operating Company Retirement Plan?

Investment decisions rest with external managers selected by the plan. No internal CIO is named in available records.

### Does STP Nuclear Operating Company Retirement Plan participate in fund commitments or only direct deals?

The plan participates as a limited partner in private-equity and real-estate funds. Confirmed holdings include vehicles from Clarion Partners, Metropolitan Real Estate Equity Management, Bain Capital Credit, MacKay Shields, and Siguler Guff.

### What investment stages does STP Nuclear Operating Company Retirement Plan typically target?

The plan targets secondaries and established private-equity strategies. No early-stage venture activity is recorded.

### How is STP Nuclear Operating Company Retirement Plan related to Constellation Energy?

Constellation Energy holds a 44 percent ownership stake in the South Texas Project but maintains no direct control over the retirement plan.

## Related profiles

- [George W. Bush Foundation](https://altss.com/profile/george-w-bush-foundation)
- [William T. Grant Foundation](https://altss.com/profile/william-t-grant-foundation)

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Last updated: 2026-06-03T20:00:00.000Z

Canonical page: https://altss.com/profile/stp-nuclear-operating-company

Maintained by Altss — https://altss.com — methodology: https://altss.com/methodology