Medway Station
MEDWAY, MA · Norfolk · NAICS 221112
Data updated May 2026
Medway Station sits in the upper third of EPA GHGRP reporters by latest CO₂e (#2,699 of 8,713 nationally, #22 of 92 in MA).
- National rank #2,699 of 8,713 GHGRP facilities
- #22 of 92 in MA
- #981 of 1,732 in Power Plants
- 1.1% of CONSTELLATION ENERGY parent CO₂e
- 2023 mix: 0.1% non-CO₂ (N₂O-led)
- +1464.5% since 2011
Medway Station vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
96,770 2699th of 8713 higher than 6,014 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 1.1% of CONSTELLATION ENERGY reported parent CO₂e (97K MT of 8.9M MT ; #7 of 10 GHGRP facilities under that parent ). Inside the EPA Power Plants sector it ranks #981 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 97K 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%
- 97K MT
- CH₄
- 0.1%
- 50 MT
- N₂O
- 0.1%
- 72 MT
Emissions growth across reporting years
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 96,770 |
| 2022 | 127,145 |
| 2021 | 100,642 |
| 2020 | 107,721 |
| 2019 | 33,879 |
| 2018 | 7,968 |
| 2017 | 7,207 |
| 2016 | 6,938 |
| 2015 | 4,985 |
| 2014 | 13,589 |
| 2013 | 5,483 |
| 2012 | 2,703 |
| 2011 | 6,185 |
Facility insight: Medway Station
Medway Station (GHGRP ID 1000655) is a high-volume reporter at 97K MT CO₂e in 2023 from MEDWAY, MA (#2,699 of 8,713 nationally) under Power Plants (NAICS 221112).
From 2011 to 2023, reported CO₂e rose 1464.5% (peak 127K MT). This facility has filed every year from 2011 to 2023, a complete 13-year record.
Peak year was 2022 at 127K MT CO2e; latest 2023 sits 23.9% below that peak (97K MT). The largest year-to-year move was 2019→2020 (+218.0%, 74K MT).
Frequently Asked Questions
Where does Medway Station rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, Medway Station ranks #2,699 of 8,713 reporting facilities by latest reported CO₂e, and #22 of 92 facilities in MA (same sort as the state facility table). See /methodology#corpus-placement.
What share of GHGRP facilities report less CO₂e than Medway Station? ▼
Medway Station's 97K MT CO₂e is higher than 6,014 of the 8,713 GHGRP facilities with reported emissions (69%), an exact count from the full corpus, not an estimate.
How much CO2 does Medway Station emit? ▼
Medway Station reported 97K MT CO2e in 2023.
What share of CONSTELLATION ENERGY does Medway Station represent? ▼
Medway Station accounts for 1.1% of CONSTELLATION ENERGY's reported GHGRP CO₂e (97K MT of 8.9M MT), ranking #7 of 10 facilities under that parent.
What is Medway Station's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 0.1% of reported CO₂e at Medway 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 Medway Station rank inside Power Plants? ▼
Among EPA GHGRP facilities tagged Power Plants, Medway Station ranks #981 of 1,732 by latest reported CO₂e.
Is Medway Station reducing emissions? ▼
Over 13 reporting years (2011–2023), Medway Station's emissions have increased by 1464.5%. This may reflect expanded operations or increased production.
Nationwide facilities with similar CO₂e or sector
Peer sets outside MA for a top-third GHGRP emitter: CO₂e totals first, then Power Plants neighbors.
Similar reported CO₂e
Nearest latest-year facility totals outside MA (97K MT here).
Similar Power Plants CO₂e
Nearest same-sector facility totals outside MA.