San Martin Gas Plant
Elmendorf, TX · BEXAR COUNTY · NAICS 211130
Data updated May 2026
According to the EPA Greenhouse Gas Reporting Program, San Martin Gas Plant ranks #2,973 of 8,713 U.S. reporting facilities by latest reported CO₂e and #439 of 1,176 facilities in TX.
- National rank #2,973 of 8,713 GHGRP facilities
- #439 of 1,176 in TX
- #372 of 2,099 in Petroleum and Natural Gas Systems
- 1% of ENTERPRISE PRODUCTS PARTNERS parent CO₂e
- 2023 mix: 44.9% non-CO₂ (CH₄-led)
- -8.7% since 2011
San Martin Gas Plant vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
84,102 2973rd of 8713 higher than 5,740 of 8,713 facilities
GHGRP facilities, banded by latest reported CO₂e (MT)
Each bar is a band; taller bars hold more facilities. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source EPA Greenhouse Gas Reporting Program · 2023
Facility footprint context
This site accounts for 1% of ENTERPRISE PRODUCTS PARTNERS reported parent CO₂e (84K MT of 8.5M MT ; #18 of 49 GHGRP facilities under that parent ). Inside the EPA Petroleum and Natural Gas Systems sector it ranks #372 of 2,099 facilities by latest CO₂e. Shares use GHGRP facility rollups only, not Scope 2/3 or non-reporting sites.
2023 gas mix desk
Of 84K MT CO₂e reported for 2023, non-CO₂ gases are 44.9% , led by CH₄ at 44.9% . Component shares use this facility's GHGRP CO₂ / CH₄ / N₂O rows for that year (already CO₂e-weighted).
- CO₂
- 55.1%
- 46K MT
- CH₄
- 44.9%
- 38K MT
- N₂O
- 0%
- 26 MT
Annual emissions history
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 84,102 |
| 2022 | 71,388 |
| 2021 | 61,558 |
| 2020 | 45,722 |
| 2019 | 48,190 |
| 2018 | 26,165 |
| 2017 | 20,625 |
| 2016 | 14,468 |
| 2015 | 25,939 |
| 2014 | 8,337 |
| 2013 | 12,631 |
| 2012 | 44,444 |
| 2011 | 92,090 |
Facility insight: San Martin Gas Plant
San Martin Gas Plant (EPA GHGRP Facility ID 1004666) reported 84K metric tons of CO2-equivalent in 2023, operating in Elmendorf, TX within BEXAR COUNTY. Among GHGRP reporters it ranks #2,973 of 8,713 nationally by latest CO₂e and #439 of 1,176 in TX. The site is classified under Petroleum and Natural Gas Systems with NAICS code 211130.
Over 13 years (2011–2023), emissions stayed within a narrow band around 84K MT CO₂e (peak 92K MT). This facility has filed every year from 2011 to 2023, a complete 13-year record.
Peak year was 2011 at 92K MT CO2e; latest 2023 sits 8.7% below that peak (84K MT). The largest year-to-year move was 2011→2012 (-51.7%, 48K MT).
Frequently Asked Questions
Where does San Martin Gas Plant rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, San Martin Gas Plant ranks #2,973 of 8,713 reporting facilities by latest reported CO₂e, and #439 of 1,176 facilities in TX (same sort as the state facility table). See /methodology#corpus-placement.
What share of GHGRP facilities report less CO₂e than San Martin Gas Plant? ▼
San Martin Gas Plant's 84K MT CO₂e is higher than 5,740 of the 8,713 GHGRP facilities with reported emissions (66%), an exact count from the full corpus, not an estimate.
How much CO2 does San Martin Gas Plant emit? ▼
San Martin Gas Plant reported 84K MT CO2e in 2023.
What share of ENTERPRISE PRODUCTS PARTNERS does San Martin Gas Plant represent? ▼
San Martin Gas Plant accounts for 1% of ENTERPRISE PRODUCTS PARTNERS's reported GHGRP CO₂e (84K MT of 8.5M MT), ranking #18 of 49 facilities under that parent.
What is San Martin Gas Plant's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 44.9% of reported CO₂e at San Martin Gas Plant, with CH₄ the larger non-CO₂ share at 44.9% (CO₂ 55.1%). Shares use the facility's GHGRP gas components for that year.
Where does San Martin Gas Plant rank inside Petroleum and Natural Gas Systems? ▼
Among EPA GHGRP facilities tagged Petroleum and Natural Gas Systems, San Martin Gas Plant ranks #372 of 2,099 by latest reported CO₂e.
Is San Martin Gas Plant reducing emissions? ▼
Over 13 reporting years (2011–2023), San Martin Gas Plant's emissions have decreased by 8.7%. Emissions have remained relatively stable.
Nationwide facilities with similar CO₂e or sector
Two GHGRP-derived peer sets for San Martin Gas Plant, both outside TX so the neighborhoods are not state-geo containment.
Similar reported CO₂e
Nearest latest-year facility totals outside TX (84K MT here).
Similar Petroleum and Natural Gas Systems CO₂e
Nearest same-sector facility totals outside TX.