St Charles Energy Center
Waldorf, MD · CHARLES COUNTY · NAICS 221112
Data updated May 2026
St Charles Energy Center sits in the upper third of EPA GHGRP reporters by latest CO₂e (#399 of 8,713 nationally, #5 of 77 in MD).
- National rank #399 of 8,713 GHGRP facilities
- #5 of 77 in MD
- #302 of 1,732 in Power Plants
- 59.2% of OSAKA GAS ENERGY AMERICA parent CO₂e
- 2023 mix: 0.1% non-CO₂ (N₂O-led)
- +12.5% since 2017
St Charles Energy Center vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
1,604,880 399th of 8713 higher than 8,314 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 59.2% of OSAKA GAS ENERGY AMERICA reported parent CO₂e (1.6M MT of 2.7M MT ; #1 of 4 GHGRP facilities under that parent ). Inside the EPA Power Plants sector it ranks #302 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 1.6M 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%
- 1.6M MT
- CH₄
- 0%
- 743 MT
- N₂O
- 0.1%
- 886 MT
Emissions growth across reporting years
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 1,604,880 |
| 2022 | 1,452,473 |
| 2021 | 1,452,602 |
| 2020 | 1,443,230 |
| 2019 | 1,588,557 |
| 2018 | 1,602,704 |
| 2017 | 1,427,146 |
Facility insight: St Charles Energy Center
St Charles Energy Center (GHGRP ID 1012885) is a high-volume reporter at 1.6M MT CO₂e in 2023 from Waldorf, MD (#399 of 8,713 nationally) under Power Plants (NAICS 221112).
From 2017 to 2023, reported CO₂e rose 12.5% (peak 1.6M MT). This facility has filed every year from 2017 to 2023, a complete 7-year record.
Frequently Asked Questions
Where does St Charles Energy Center rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, St Charles Energy Center ranks #399 of 8,713 reporting facilities by latest reported CO₂e, and #5 of 77 facilities in MD (same sort as the state facility table). See /methodology#corpus-placement.
What share of GHGRP facilities report less CO₂e than St Charles Energy Center? ▼
St Charles Energy Center's 1.6M MT CO₂e is higher than 8,314 of the 8,713 GHGRP facilities with reported emissions (95%), an exact count from the full corpus, not an estimate.
How much CO2 does St Charles Energy Center emit? ▼
St Charles Energy Center reported 1.6M MT CO2e in 2023.
What share of OSAKA GAS ENERGY AMERICA does St Charles Energy Center represent? ▼
St Charles Energy Center accounts for 59.2% of OSAKA GAS ENERGY AMERICA's reported GHGRP CO₂e (1.6M MT of 2.7M MT), ranking #1 of 4 facilities under that parent.
What is St Charles Energy Center's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 0.1% of reported CO₂e at St Charles Energy Center, 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 St Charles Energy Center rank inside Power Plants? ▼
Among EPA GHGRP facilities tagged Power Plants, St Charles Energy Center ranks #302 of 1,732 by latest reported CO₂e.
Is St Charles Energy Center reducing emissions? ▼
Over 7 reporting years (2017–2023), St Charles Energy Center's emissions have increased by 12.5%. This may reflect expanded operations or increased production.
Nationwide facilities with similar CO₂e or sector
Peer sets outside MD for a top-third GHGRP emitter: CO₂e totals first, then Power Plants neighbors.
Similar reported CO₂e
Nearest latest-year facility totals outside MD (1.6M MT here).
Similar Power Plants CO₂e
Nearest same-sector facility totals outside MD.