# Sam Rayburn

ERCOT asset profile · https://askthegrid.com/assets/facilities/sam-rayburn

South Texas Electric Cooperative (STEC) · Victoria County · ERCOT

Sam Rayburn is a natural gas-fired power facility with 184.8 MW of EIA-reported operating capacity in Victoria County, Texas, registered as EIA Plant ID 3631. South Texas Electric Cooperative (STEC) is the public owner or developer; South Texas Electric Coop, Inc is the registered plant entity or operator. Sam Rayburn Power Plant was the first power generation facility built by South Texas Electric Cooperative (STEC), constructed in 1963 (STEC site). The plant began commercial operation in 2003.

## Profile

- **Operating status:** Sam Rayburn is currently operating.
- **Context:** STEC says the original Sam Rayburn Power Plant was its first generation facility, constructed in 1963; the current combined-cycle addition is separately documented as entering commercial operation in 2003.

## Metrics

- **Reported capacity:** 184.8 MW — EIA-reported operating capacity; nameplate, seasonal, AC/DC, and unit ratings may differ.
- **Technology:** Natural Gas Fired Combined Cycle; Petroleum Liquids. — Primary generation technology.
- **Registry anchor:** Plant 3631 — South Texas Electric Coop, Inc · Victoria County · ERCOT
- **Operating status:** Operating — Sam Rayburn is currently operating.
- **Commercial operation:** 2003 — Best-supported operating milestone.

## Facts

- **Commercial operation:** 2003 · confidence: medium
- **Operating status:** operating — Sam Rayburn is currently operating. · confidence: medium
- **Location:** Victoria County — ERCOT · confidence: high
- **Operator:** South Texas Electric Coop, Inc · confidence: high
- **Asset role:** natural gas — ERCOT · Victoria County
- **Owner:** South Texas Electric Cooperative (STEC) — The South Texas Electric Cooperative (STEC) is named on the cooperative's generation-resources page describing Sam Rayburn; independent energy directories also attribute the facility to South Texas Electric. · confidence: medium

## Related parties

- **Operator:** South Texas Electric Cooperative (STEC) — Owner / developer associated with Sam Rayburn. ([source](https://www.stec.org/))

## Sources

- [Form EIA-923, "Power Plant Operations Report" 2010](https://downloads.regulations.gov/EPA-R04-OAR-2010-0935-0018/attachment_37.pdf) — downloads.regulations.gov · regulatory — Form EIA-923, "Power Plant Operations Report" EIA-923 Monthly Time Series File Boiler Fuel Consumption/Generating Unit Net Generation … 3631 N Sam Rayburn
- [Sheet1](https://www.epa.gov/sites/default/files/2021-04/needs_v620_march_2021_comment_and_change_log.xlsx) — epa.gov · regulatory — EPA EIA 860 and other communications. Unit was mis-reported. It is in long term cold storage, not retired … an ozone season. ERCOT 3631_G_1 Sam Rayburn 1 Texas
- [EIA](https://downloads.regulations.gov/EPA-HQ-OW-2009-0819-0641/attachment_1.pdf) — downloads.regulations.gov · regulatory — Information Administration (EIA) The Energy Information Administration (EIA) 3631 N Sam Rayburn
- [F412_Schedule_6](https://www.eia.gov/electricity/data/eia412/f412sch6.xls) — eia.gov · regulatory — Sam Rayburn Municipal Pwr Agny, 6, 5, Sam Rayburn G & T Electric Cooperat, FP, 7168, 512085, 512085. 2741, 16821, Sam Rayburn Municipal Pwr Agny, 6, 7, Entergy
- [Sheet1](https://www.epa.gov/sites/default/files/2019-10/needs_v6_may_2019_comment_and_change_log.xlsx) — epa.gov · regulatory — 3631_G_1, Sam Rayburn, 1, Texas, Retirement Year, 9999, 2018, Based on a review of the April 2018 version of EIA Form 860M. 79, 2018 Sept, September 2018
- [Integration of Rayburn Country Electric Cooperative Inc....](https://www.ercot.com/services/comm/mkt_notices/archives/4395) — ercot.com · regulatory — The integration of Rayburn's Load into the ERCOT System will begin on January 6, 2020, barring any unforeseen circumstances.

---

Canonical page: https://askthegrid.com/assets/facilities/sam-rayburn
Website: [South Texas Electric Cooperative (STEC)](https://www.stec.org/our-assets/generation-resources/)
Profile published: 2026-07-17T03:34:46.109Z
Source: Ask the Grid — https://askthegrid.com/
