CONSTELLATION POWER SOURCE GENERATION - NOTCH CLIFF
GLEN ARM, MD · BALTIMORE COUNTY · NAICS 221112
Last reported 2020. This facility's newest EPA GHGRP report is for 2020, not 2023, so its figures and its rank compare older data with 2023 peers. The ranking tables mark facilities like this one with a "Last reported" label.
Data updated May 2026
CONSTELLATION POWER SOURCE GENERATION - NOTCH CLIFF ranks among smaller GHGRP totals (#8,090 of 8,713 nationally; #73 of 77 in MD), a lower-footprint comparator in Power Plants.
- National rank #8,090 of 8,713 GHGRP facilities
- #73 of 77 in MD
- #1,539 of 1,732 in Power Plants
- -77.3% since 2011
CONSTELLATION POWER SOURCE GENERATION - NOTCH CLIFF vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
4,325 8090th of 8713 higher than 623 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 · 2020
Facility footprint context
Inside the EPA Power Plants sector it ranks #1,539 of 1,732 facilities by latest CO₂e. Shares use GHGRP facility rollups only, not Scope 2/3 or non-reporting sites.
Emissions decline across reporting years
| Year | Total CO2e (MT) |
|---|---|
| 2020 | 4,325 |
| 2019 | 32,386 |
| 2018 | 22,796 |
| 2017 | 14,108 |
| 2016 | 29,096 |
| 2015 | 20,828 |
| 2014 | 7,120 |
| 2013 | 16,429 |
| 2012 | 13,197 |
| 2011 | 19,069 |
Facility insight: CONSTELLATION POWER SOURCE GENERATION - NOTCH CLIFF
CONSTELLATION POWER SOURCE GENERATION - NOTCH CLIFF (ID 1006220) reported 4K MT CO₂e for 2020 in BALTIMORE COUNTY, MD (#8,090 of 8,713 by latest CO₂e).
Across 2011–2020, annual CO₂e fell 77.3%; peak load was 32K MT in 2019. This facility has filed every year from 2011 to 2020, a complete 10-year record.
Peak year was 2019 at 32K MT CO2e; latest 2020 sits 86.6% below that peak (4K MT). The largest year-to-year move was 2019→2020 (-86.6%, 28K MT).
Frequently Asked Questions
Where does CONSTELLATION POWER SOURCE GENERATION - NOTCH CLIFF rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, CONSTELLATION POWER SOURCE GENERATION - NOTCH CLIFF ranks #8,090 of 8,713 reporting facilities by latest reported CO₂e, and #73 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 CONSTELLATION POWER SOURCE GENERATION - NOTCH CLIFF? ▼
CONSTELLATION POWER SOURCE GENERATION - NOTCH CLIFF's 4K MT CO₂e is higher than 623 of the 8,713 GHGRP facilities with reported emissions (7%), an exact count from the full corpus, not an estimate.
How much CO2 does CONSTELLATION POWER SOURCE GENERATION - NOTCH CLIFF emit? ▼
CONSTELLATION POWER SOURCE GENERATION - NOTCH CLIFF reported 4K MT CO2e in 2020.
Where does CONSTELLATION POWER SOURCE GENERATION - NOTCH CLIFF rank inside Power Plants? ▼
Among EPA GHGRP facilities tagged Power Plants, CONSTELLATION POWER SOURCE GENERATION - NOTCH CLIFF ranks #1,539 of 1,732 by latest reported CO₂e.
Is CONSTELLATION POWER SOURCE GENERATION - NOTCH CLIFF reducing emissions? ▼
Over 10 reporting years (2011–2020), CONSTELLATION POWER SOURCE GENERATION - NOTCH CLIFF's emissions have decreased by 77.3%. This suggests meaningful progress in emissions reduction.
Nationwide facilities with similar CO₂e or sector
Lower-footprint peers outside MD: nearest CO₂e totals and same-sector reporters for context.
Similar reported CO₂e
Nearest latest-year facility totals outside MD (4K MT here).
Similar Power Plants CO₂e
Nearest same-sector facility totals outside MD.