Rock Springs Generating Facility
RISING SUN, MD · Cecil · NAICS 221112
Data updated May 2026
Rock Springs Generating Facility sits in the upper third of EPA GHGRP reporters by latest CO₂e (#2,332 of 8,713 nationally, #20 of 77 in MD).
- National rank #2,332 of 8,713 GHGRP facilities
- #20 of 77 in MD
- #942 of 1,732 in Power Plants
- 33.2% of NAUTILUS POWER parent CO₂e
- 2023 mix: 0.1% non-CO₂ (N₂O-led)
- -28.4% since 2011
Rock Springs Generating Facility vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
119,725 2332nd of 8713 higher than 6,381 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 33.2% of NAUTILUS POWER reported parent CO₂e (120K MT of 361K MT ; #2 of 3 GHGRP facilities under that parent ). Inside the EPA Power Plants sector it ranks #942 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 120K 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%
- 120K MT
- CH₄
- 0%
- 56 MT
- N₂O
- 0.1%
- 66 MT
Emissions decline across reporting years
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 119,725 |
| 2022 | 130,480 |
| 2021 | 133,123 |
| 2020 | 151,546 |
| 2019 | 44,230 |
| 2018 | 247,606 |
| 2017 | 269,636 |
| 2016 | 492,487 |
| 2015 | 453,080 |
| 2014 | 171,904 |
| 2013 | 176,532 |
| 2012 | 222,600 |
| 2011 | 167,322 |
Facility insight: Rock Springs Generating Facility
Rock Springs Generating Facility (GHGRP ID 1001159) is a high-volume reporter at 120K MT CO₂e in 2023 from RISING SUN, MD (#2,332 of 8,713 nationally) under Power Plants (NAICS 221112).
Across 2011–2023, annual CO₂e fell 28.4%; peak load was 492K MT in 2016. This facility has filed every year from 2011 to 2023, a complete 13-year record.
Peak year was 2016 at 492K MT CO2e; latest 2023 sits 75.7% below that peak (120K MT). The largest year-to-year move was 2014→2015 (+163.6%, 281K MT).
Frequently Asked Questions
Where does Rock Springs Generating Facility rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, Rock Springs Generating Facility ranks #2,332 of 8,713 reporting facilities by latest reported CO₂e, and #20 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 Rock Springs Generating Facility? ▼
Rock Springs Generating Facility's 120K MT CO₂e is higher than 6,381 of the 8,713 GHGRP facilities with reported emissions (73%), an exact count from the full corpus, not an estimate.
How much CO2 does Rock Springs Generating Facility emit? ▼
Rock Springs Generating Facility reported 120K MT CO2e in 2023.
What share of NAUTILUS POWER does Rock Springs Generating Facility represent? ▼
Rock Springs Generating Facility accounts for 33.2% of NAUTILUS POWER's reported GHGRP CO₂e (120K MT of 361K MT), ranking #2 of 3 facilities under that parent.
What is Rock Springs Generating Facility's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 0.1% of reported CO₂e at Rock Springs Generating Facility, 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 Rock Springs Generating Facility rank inside Power Plants? ▼
Among EPA GHGRP facilities tagged Power Plants, Rock Springs Generating Facility ranks #942 of 1,732 by latest reported CO₂e.
Is Rock Springs Generating Facility reducing emissions? ▼
Over 13 reporting years (2011–2023), Rock Springs Generating Facility's emissions have decreased by 28.4%. This suggests meaningful progress in emissions reduction.
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 (120K MT here).
Similar Power Plants CO₂e
Nearest same-sector facility totals outside MD.