TRANS ALASKA PIPELINE SYSTEM PUMP STATION 4
PRUDHOE BAY, AK · NORTH SLOPE BOROUGH · NAICS 486110
Data updated May 2026
According to the EPA Greenhouse Gas Reporting Program, TRANS ALASKA PIPELINE SYSTEM PUMP STATION 4 ranks #4,008 of 8,713 U.S. reporting facilities by latest reported CO₂e and #42 of 77 facilities in AK.
- National rank #4,008 of 8,713 GHGRP facilities
- #42 of 77 in AK
- #569 of 1,599 in Other
- 25.3% of ALYESKA PIPELINE SERVICE parent CO₂e
- 2023 mix: 0.1% non-CO₂ (N₂O-led)
- -13.0% since 2011
TRANS ALASKA PIPELINE SYSTEM PUMP STATION 4 vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
54,578 4008th of 8713 higher than 4,705 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 25.3% of ALYESKA PIPELINE SERVICE reported parent CO₂e (55K MT of 216K MT ; #3 of 4 GHGRP facilities under that parent ). Inside the EPA Other sector it ranks #569 of 1,599 facilities by latest CO₂e. Shares use GHGRP facility rollups only, not Scope 2/3 or non-reporting sites.
2023 gas mix desk
Of 55K MT CO₂e reported for 2023, non-CO₂ gases are 0.1% , led by N₂O at 0.1% . Component shares use this facility's GHGRP CO₂ / CH₄ / N₂O rows for that year (already CO₂e-weighted).
- CO₂
- 99.9%
- 55K MT
- CH₄
- 0%
- 26 MT
- N₂O
- 0.1%
- 31 MT
Emissions decline across reporting years
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 54,578 |
| 2022 | 54,421 |
| 2021 | 55,129 |
| 2020 | 54,268 |
| 2019 | 55,131 |
| 2018 | 63,197 |
| 2017 | 69,800 |
| 2016 | 74,306 |
| 2015 | 77,713 |
| 2014 | 73,277 |
| 2013 | 74,527 |
| 2012 | 74,527 |
| 2011 | 62,743 |
Facility insight: TRANS ALASKA PIPELINE SYSTEM PUMP STATION 4
TRANS ALASKA PIPELINE SYSTEM PUMP STATION 4 (EPA GHGRP Facility ID 1005187) reported 55K metric tons of CO2-equivalent in 2023, operating in PRUDHOE BAY, AK within NORTH SLOPE BOROUGH. Among GHGRP reporters it ranks #4,008 of 8,713 nationally by latest CO₂e and #42 of 77 in AK. The site is classified under Other with NAICS code 486110.
Across 2011–2023, annual CO₂e fell 13.0%; peak load was 78K MT in 2015. This facility has filed every year from 2011 to 2023, a complete 13-year record.
Peak year was 2015 at 78K MT CO2e; latest 2023 sits 29.8% below that peak (55K MT). The largest year-to-year move was 2011→2012 (+18.8%, 12K MT).
Frequently Asked Questions
Where does TRANS ALASKA PIPELINE SYSTEM PUMP STATION 4 rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, TRANS ALASKA PIPELINE SYSTEM PUMP STATION 4 ranks #4,008 of 8,713 reporting facilities by latest reported CO₂e, and #42 of 77 facilities in AK (same sort as the state facility table). See /methodology#corpus-placement.
What share of GHGRP facilities report less CO₂e than TRANS ALASKA PIPELINE SYSTEM PUMP STATION 4? ▼
TRANS ALASKA PIPELINE SYSTEM PUMP STATION 4's 55K MT CO₂e is higher than 4,705 of the 8,713 GHGRP facilities with reported emissions (54%), an exact count from the full corpus, not an estimate.
How much CO2 does TRANS ALASKA PIPELINE SYSTEM PUMP STATION 4 emit? ▼
TRANS ALASKA PIPELINE SYSTEM PUMP STATION 4 reported 55K MT CO2e in 2023.
What share of ALYESKA PIPELINE SERVICE does TRANS ALASKA PIPELINE SYSTEM PUMP STATION 4 represent? ▼
TRANS ALASKA PIPELINE SYSTEM PUMP STATION 4 accounts for 25.3% of ALYESKA PIPELINE SERVICE's reported GHGRP CO₂e (55K MT of 216K MT), ranking #3 of 4 facilities under that parent.
What is TRANS ALASKA PIPELINE SYSTEM PUMP STATION 4's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 0.1% of reported CO₂e at TRANS ALASKA PIPELINE SYSTEM PUMP STATION 4, with N₂O the larger non-CO₂ share at 0.1% (CO₂ 99.9%). Shares use the facility's GHGRP gas components for that year.
Where does TRANS ALASKA PIPELINE SYSTEM PUMP STATION 4 rank inside Other? ▼
Among EPA GHGRP facilities tagged Other, TRANS ALASKA PIPELINE SYSTEM PUMP STATION 4 ranks #569 of 1,599 by latest reported CO₂e.
Is TRANS ALASKA PIPELINE SYSTEM PUMP STATION 4 reducing emissions? ▼
Over 13 reporting years (2011–2023), TRANS ALASKA PIPELINE SYSTEM PUMP STATION 4's emissions have decreased by 13%. This suggests meaningful progress in emissions reduction.
Nationwide facilities with similar CO₂e or sector
Two GHGRP-derived peer sets for TRANS ALASKA PIPELINE SYSTEM PUMP STATION 4, both outside AK so the neighborhoods are not state-geo containment.
Similar reported CO₂e
Nearest latest-year facility totals outside AK (55K MT here).
Similar Other CO₂e
Nearest same-sector facility totals outside AK.