ULTRAMAR INC WILMINGTON REFINERY
WILMINGTON, CA · LOS ANGELES COUNTY · NAICS 324110
Data updated May 2026
ULTRAMAR INC WILMINGTON REFINERY sits in the upper third of EPA GHGRP reporters by latest CO₂e (#574 of 8,713 nationally, #26 of 549 in CA).
- National rank #574 of 8,713 GHGRP facilities
- #26 of 549 in CA
- #24 of 83 in Petroleum Product Suppliers
- 4.7% of VALERO ENERGY parent CO₂e
- 2023 mix: 0.5% non-CO₂ (CH₄-led)
- +6.1% since 2011
ULTRAMAR INC WILMINGTON REFINERY vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
1,106,673 574th of 8713 higher than 8,139 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 4.7% of VALERO ENERGY reported parent CO₂e (1.1M MT of 23.5M MT ; #9 of 26 GHGRP facilities under that parent ). Inside the EPA Petroleum Product Suppliers sector it ranks #24 of 83 facilities by latest CO₂e. Shares use GHGRP facility rollups only, not Scope 2/3 or non-reporting sites.
2023 gas mix desk
Of 1.1M MT CO₂e reported for 2023, non-CO₂ gases are 0.5% , led by CH₄ at 0.3% . Component shares use this facility's GHGRP CO₂ / CH₄ / N₂O rows for that year (already CO₂e-weighted).
- CO₂
- 99.5%
- 1.1M MT
- CH₄
- 0.3%
- 3K MT
- N₂O
- 0.2%
- 3K MT
High-emitter reporting timeline
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 1,106,673 |
| 2022 | 967,407 |
| 2021 | 840,504 |
| 2020 | 957,012 |
| 2019 | 1,135,682 |
| 2018 | 1,067,223 |
| 2017 | 1,036,726 |
| 2016 | 1,044,073 |
| 2015 | 890,085 |
| 2014 | 934,877 |
| 2013 | 940,217 |
| 2012 | 906,630 |
| 2011 | 1,043,228 |
Facility insight: ULTRAMAR INC WILMINGTON REFINERY
ULTRAMAR INC WILMINGTON REFINERY (GHGRP ID 1002461) is a high-volume reporter at 1.1M MT CO₂e in 2023 from WILMINGTON, CA (#574 of 8,713 nationally) under Petroleum Product Suppliers (NAICS 324110).
Over 13 years (2011–2023), emissions stayed within a narrow band around 1.1M MT CO₂e (peak 1.1M MT). This facility has filed every year from 2011 to 2023, a complete 13-year record.
Peak year was 2019 at 1.1M MT CO2e; latest 2023 sits 2.6% below that peak (1.1M MT). The largest year-to-year move was 2019→2020 (-15.7%, 179K MT).
Frequently Asked Questions
Where does ULTRAMAR INC WILMINGTON REFINERY rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, ULTRAMAR INC WILMINGTON REFINERY ranks #574 of 8,713 reporting facilities by latest reported CO₂e, and #26 of 549 facilities in CA (same sort as the state facility table). See /methodology#corpus-placement.
What share of GHGRP facilities report less CO₂e than ULTRAMAR INC WILMINGTON REFINERY? ▼
ULTRAMAR INC WILMINGTON REFINERY's 1.1M MT CO₂e is higher than 8,139 of the 8,713 GHGRP facilities with reported emissions (93%), an exact count from the full corpus, not an estimate.
How much CO2 does ULTRAMAR INC WILMINGTON REFINERY emit? ▼
ULTRAMAR INC WILMINGTON REFINERY reported 1.1M MT CO2e in 2023.
What share of VALERO ENERGY does ULTRAMAR INC WILMINGTON REFINERY represent? ▼
ULTRAMAR INC WILMINGTON REFINERY accounts for 4.7% of VALERO ENERGY's reported GHGRP CO₂e (1.1M MT of 23.5M MT), ranking #9 of 26 facilities under that parent.
What is ULTRAMAR INC WILMINGTON REFINERY's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 0.5% of reported CO₂e at ULTRAMAR INC WILMINGTON REFINERY, with CH₄ the larger non-CO₂ share at 0.3% (CO₂ 99.5%). Shares use the facility's GHGRP gas components for that year.
Where does ULTRAMAR INC WILMINGTON REFINERY rank inside Petroleum Product Suppliers? ▼
Among EPA GHGRP facilities tagged Petroleum Product Suppliers, ULTRAMAR INC WILMINGTON REFINERY ranks #24 of 83 by latest reported CO₂e.
Is ULTRAMAR INC WILMINGTON REFINERY reducing emissions? ▼
Over 13 reporting years (2011–2023), ULTRAMAR INC WILMINGTON REFINERY's emissions have increased by 6.1%. Emissions have remained relatively stable.
Nationwide facilities with similar CO₂e or sector
Peer sets outside CA for a top-third GHGRP emitter: CO₂e totals first, then Petroleum Product Suppliers neighbors.
Similar reported CO₂e
Nearest latest-year facility totals outside CA (1.1M MT here).
Similar Petroleum Product Suppliers CO₂e
Nearest same-sector facility totals outside CA.