Black Mountain Generating Station
Golden Valley, AZ · Mohave · NAICS 221112
Data updated May 2026
According to the EPA Greenhouse Gas Reporting Program, Black Mountain Generating Station ranks #4,007 of 8,713 U.S. reporting facilities by latest reported CO₂e and #54 of 102 facilities in AZ.
- National rank #4,007 of 8,713 GHGRP facilities
- #54 of 102 in AZ
- #1,123 of 1,732 in Power Plants
- 0.9% of UNS ENERGY parent CO₂e
- 2023 mix: 0.1% non-CO₂ (N₂O-led)
- +376.3% since 2011
Black Mountain Generating Station vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
54,594 4007th of 8713 higher than 4,706 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 0.9% of UNS ENERGY reported parent CO₂e (55K MT of 6.2M MT ; #4 of 5 GHGRP facilities under that parent ). Inside the EPA Power Plants sector it ranks #1,123 of 1,732 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%
- 25 MT
- N₂O
- 0.1%
- 30 MT
Emissions growth across reporting years
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 54,594 |
| 2022 | 52,955 |
| 2021 | 71,299 |
| 2020 | 91,091 |
| 2019 | 54,357 |
| 2018 | 43,634 |
| 2017 | 30,090 |
| 2016 | 31,914 |
| 2015 | 26,721 |
| 2014 | 27,729 |
| 2013 | 27,540 |
| 2012 | 40,299 |
| 2011 | 11,463 |
Facility insight: Black Mountain Generating Station
Black Mountain Generating Station (EPA GHGRP Facility ID 1000489) reported 55K metric tons of CO2-equivalent in 2023, operating in Golden Valley, AZ within Mohave. Among GHGRP reporters it ranks #4,007 of 8,713 nationally by latest CO₂e and #54 of 102 in AZ. The site is classified under Power Plants with NAICS code 221112.
From 2011 to 2023, reported CO₂e rose 376.3% (peak 91K MT). This facility has filed every year from 2011 to 2023, a complete 13-year record.
Peak year was 2020 at 91K MT CO2e; latest 2023 sits 40.1% below that peak (55K MT). The largest year-to-year move was 2019→2020 (+67.6%, 37K MT).
Frequently Asked Questions
Where does Black Mountain Generating Station rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, Black Mountain Generating Station ranks #4,007 of 8,713 reporting facilities by latest reported CO₂e, and #54 of 102 facilities in AZ (same sort as the state facility table). See /methodology#corpus-placement.
What share of GHGRP facilities report less CO₂e than Black Mountain Generating Station? ▼
Black Mountain Generating Station's 55K MT CO₂e is higher than 4,706 of the 8,713 GHGRP facilities with reported emissions (54%), an exact count from the full corpus, not an estimate.
How much CO2 does Black Mountain Generating Station emit? ▼
Black Mountain Generating Station reported 55K MT CO2e in 2023.
What share of UNS ENERGY does Black Mountain Generating Station represent? ▼
Black Mountain Generating Station accounts for 0.9% of UNS ENERGY's reported GHGRP CO₂e (55K MT of 6.2M MT), ranking #4 of 5 facilities under that parent.
What is Black Mountain Generating Station's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 0.1% of reported CO₂e at Black Mountain Generating Station, 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 Black Mountain Generating Station rank inside Power Plants? ▼
Among EPA GHGRP facilities tagged Power Plants, Black Mountain Generating Station ranks #1,123 of 1,732 by latest reported CO₂e.
Is Black Mountain Generating Station reducing emissions? ▼
Over 13 reporting years (2011–2023), Black Mountain Generating Station's emissions have increased by 376.3%. This may reflect expanded operations or increased production.
Nationwide facilities with similar CO₂e or sector
Two GHGRP-derived peer sets for Black Mountain Generating Station, both outside AZ so the neighborhoods are not state-geo containment.
Similar reported CO₂e
Nearest latest-year facility totals outside AZ (55K MT here).
Similar Power Plants CO₂e
Nearest same-sector facility totals outside AZ.