Cosumnes Power Plant
HERALD, CA · Sacramento · NAICS 221112
Data updated May 2026
Cosumnes Power Plant sits in the upper third of EPA GHGRP reporters by latest CO₂e (#566 of 8,713 nationally, #25 of 549 in CA).
- National rank #566 of 8,713 GHGRP facilities
- #25 of 549 in CA
- #417 of 1,732 in Power Plants
- 62.5% of SACRAMENTO MUNICIPAL UTILITY DISTRICT FINANCING AUTHORITY parent CO₂e
- 2023 mix: 0.1% non-CO₂ (N₂O-led)
- -12.5% since 2011
Cosumnes Power Plant vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
1,117,202 566th of 8713 higher than 8,147 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 62.5% of SACRAMENTO MUNICIPAL UTILITY DISTRICT FINANCING AUTHORITY reported parent CO₂e (1.1M MT of 1.8M MT ; #1 of 4 GHGRP facilities under that parent ). Inside the EPA Power Plants sector it ranks #417 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 1.1M 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%
- 1.1M MT
- CH₄
- 0%
- 529 MT
- N₂O
- 0.1%
- 648 MT
Emissions decline across reporting years
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 1,117,202 |
| 2022 | 382,070 |
| 2021 | 1,511,019 |
| 2020 | 1,383,664 |
| 2019 | 1,045,749 |
| 2018 | 1,281,995 |
| 2017 | 1,225,993 |
| 2016 | 1,445,010 |
| 2015 | 1,463,005 |
| 2014 | 1,475,834 |
| 2013 | 1,426,650 |
| 2012 | 1,351,345 |
| 2011 | 1,276,370 |
Facility insight: Cosumnes Power Plant
Cosumnes Power Plant (GHGRP ID 1000323) is a high-volume reporter at 1.1M MT CO₂e in 2023 from HERALD, CA (#566 of 8,713 nationally) under Power Plants (NAICS 221112).
Across 2011–2023, annual CO₂e fell 12.5%; peak load was 1.5M MT in 2021. This facility has filed every year from 2011 to 2023, a complete 13-year record.
Peak year was 2021 at 1.5M MT CO2e; latest 2023 sits 26.1% below that peak (1.1M MT). The largest year-to-year move was 2021→2022 (-74.7%, 1.1M MT).
Frequently Asked Questions
Where does Cosumnes Power Plant rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, Cosumnes Power Plant ranks #566 of 8,713 reporting facilities by latest reported CO₂e, and #25 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 Cosumnes Power Plant? ▼
Cosumnes Power Plant's 1.1M MT CO₂e is higher than 8,147 of the 8,713 GHGRP facilities with reported emissions (94%), an exact count from the full corpus, not an estimate.
How much CO2 does Cosumnes Power Plant emit? ▼
Cosumnes Power Plant reported 1.1M MT CO2e in 2023.
What share of SACRAMENTO MUNICIPAL UTILITY DISTRICT FINANCING AUTHORITY does Cosumnes Power Plant represent? ▼
Cosumnes Power Plant accounts for 62.5% of SACRAMENTO MUNICIPAL UTILITY DISTRICT FINANCING AUTHORITY's reported GHGRP CO₂e (1.1M MT of 1.8M MT), ranking #1 of 4 facilities under that parent.
What is Cosumnes Power Plant's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 0.1% of reported CO₂e at Cosumnes Power Plant, 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 Cosumnes Power Plant rank inside Power Plants? ▼
Among EPA GHGRP facilities tagged Power Plants, Cosumnes Power Plant ranks #417 of 1,732 by latest reported CO₂e.
Is Cosumnes Power Plant reducing emissions? ▼
Over 13 reporting years (2011–2023), Cosumnes Power Plant's emissions have decreased by 12.5%. This suggests meaningful progress in emissions reduction.
Nationwide facilities with similar CO₂e or sector
Peer sets outside CA for a top-third GHGRP emitter: CO₂e totals first, then Power Plants neighbors.
Similar reported CO₂e
Nearest latest-year facility totals outside CA (1.1M MT here).
Similar Power Plants CO₂e
Nearest same-sector facility totals outside CA.