Facility ID: 1001469 · Power Plants

Montville

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UNCASVILLE, CT · New London · NAICS 221112

Data updated May 2026

39K MT CO₂e · 2023

According to the EPA Greenhouse Gas Reporting Program, Montville ranks #4,951 of 8,713 U.S. reporting facilities by latest reported CO₂e and #32 of 53 facilities in CT.

  • National rank #4,951 of 8,713 GHGRP facilities
  • #32 of 53 in CT
  • #1,191 of 1,732 in Power Plants
  • 0.4% of ARCLIGHT ENERGY PARTNERS FUND VII parent CO₂e
  • 2023 mix: 0.2% non-CO₂ (N₂O-led)
  • +12.5% since 2011

Montville vs all U.S. GHGRP facilities

Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility

38,782 4951st of 8713 higher than 3,762 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 0.4% of ARCLIGHT ENERGY PARTNERS FUND VII reported parent CO₂e (39K MT of 10.2M MT ; #11 of 14 GHGRP facilities under that parent ). Inside the EPA Power Plants sector it ranks #1,191 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 39K MT CO₂e reported for 2023, non-CO₂ gases are 0.2% , led by N₂O at 0.2% . Component shares use this facility's GHGRP CO₂ / CH₄ / N₂O rows for that year (already CO₂e-weighted).

CO₂
99.8%
39K MT
CH₄
0.1%
30 MT
N₂O
0.2%
63 MT

Emissions growth across reporting years

2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
Year Total CO2e (MT)
2023 38,782
2022 106,602
2021 35,028
2020 27,148
2019 17,513
2018 76,952
2017 42,519
2016 21,749
2015 66,235
2014 46,388
2013 35,988
2012 36,988
2011 34,488

Facility insight: Montville

Montville (EPA GHGRP Facility ID 1001469) reported 39K metric tons of CO2-equivalent in 2023, operating in UNCASVILLE, CT within New London. Among GHGRP reporters it ranks #4,951 of 8,713 nationally by latest CO₂e and #32 of 53 in CT. The site is classified under Power Plants with NAICS code 221112.

From 2011 to 2023, reported CO₂e rose 12.5% (peak 107K MT). This facility has filed every year from 2011 to 2023, a complete 13-year record.

Peak year was 2022 at 107K MT CO2e; latest 2023 sits 63.6% below that peak (39K MT). The largest year-to-year move was 2021→2022 (+204.3%, 72K MT).

Frequently Asked Questions

Where does Montville rank among U.S. GHGRP facilities?

According to the EPA Greenhouse Gas Reporting Program, Montville ranks #4,951 of 8,713 reporting facilities by latest reported CO₂e, and #32 of 53 facilities in CT (same sort as the state facility table). See /methodology#corpus-placement.

What share of GHGRP facilities report less CO₂e than Montville?

Montville's 39K MT CO₂e is higher than 3,762 of the 8,713 GHGRP facilities with reported emissions (43%), an exact count from the full corpus, not an estimate.

How much CO2 does Montville emit?

Montville reported 39K MT CO2e in 2023.

What share of ARCLIGHT ENERGY PARTNERS FUND VII does Montville represent?

Montville accounts for 0.4% of ARCLIGHT ENERGY PARTNERS FUND VII's reported GHGRP CO₂e (39K MT of 10.2M MT), ranking #11 of 14 facilities under that parent.

What is Montville's 2023 CO₂ / CH₄ / N₂O mix?

In 2023, non-CO₂ gases were 0.2% of reported CO₂e at Montville, with N₂O the larger non-CO₂ share at 0.2% (CO₂ 99.8%). Shares use the facility's GHGRP gas components for that year.

Where does Montville rank inside Power Plants?

Among EPA GHGRP facilities tagged Power Plants, Montville ranks #1,191 of 1,732 by latest reported CO₂e.

Is Montville reducing emissions?

Over 13 reporting years (2011–2023), Montville's emissions have increased by 12.5%. This may reflect expanded operations or increased production.

Nationwide facilities with similar CO₂e or sector

Two GHGRP-derived peer sets for Montville, both outside CT so the neighborhoods are not state-geo containment.

Data sourced from the EPA Greenhouse Gas Reporting Program (GHGRP), Facility ID 1001469. Data subject to facility self-reporting, not compliance advice. See our methodology for how this data is sourced, computed, and verified. Retrieved and formatted by PlainCarbon