Hartford Steam - Columbus Plant
Hartford, CT · HARTFORD COUNTY · NAICS 221330
Data updated May 2026
According to the EPA Greenhouse Gas Reporting Program, Hartford Steam - Columbus Plant ranks #5,502 of 8,713 U.S. reporting facilities by latest reported CO₂e and #35 of 53 facilities in CT.
- National rank #5,502 of 8,713 GHGRP facilities
- #35 of 53 in CT
- #1,231 of 1,732 in Power Plants
- 27.7% of CARTIER ENERGY parent CO₂e
- 2023 mix: 0.1% non-CO₂ (N₂O-led)
- -22.9% since 2011
Hartford Steam - Columbus Plant vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
31,798 5502nd of 8713 higher than 3,211 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 27.7% of CARTIER ENERGY reported parent CO₂e (32K MT of 115K MT ; #3 of 3 GHGRP facilities under that parent ). Inside the EPA Power Plants sector it ranks #1,231 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 32K 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%
- 32K MT
- CH₄
- 0%
- 15 MT
- N₂O
- 0.1%
- 18 MT
Emissions decline across reporting years
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 31,798 |
| 2022 | 39,688 |
| 2021 | 40,320 |
| 2020 | 40,923 |
| 2019 | 42,542 |
| 2018 | 44,197 |
| 2017 | 43,699 |
| 2016 | 45,850 |
| 2015 | 40,968 |
| 2014 | 43,439 |
| 2013 | 40,976 |
| 2012 | 38,324 |
| 2011 | 41,246 |
Facility insight: Hartford Steam - Columbus Plant
Hartford Steam - Columbus Plant (EPA GHGRP Facility ID 1010109) reported 32K metric tons of CO2-equivalent in 2023, operating in Hartford, CT within HARTFORD COUNTY. Among GHGRP reporters it ranks #5,502 of 8,713 nationally by latest CO₂e and #35 of 53 in CT. The site is classified under Power Plants with NAICS code 221330.
Across 2011–2023, annual CO₂e fell 22.9%; peak load was 46K MT in 2016. This facility has filed every year from 2011 to 2023, a complete 13-year record.
Peak year was 2016 at 46K MT CO2e; latest 2023 sits 30.6% below that peak (32K MT). The largest year-to-year move was 2022→2023 (-19.9%, 8K MT).
Frequently Asked Questions
Where does Hartford Steam - Columbus Plant rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, Hartford Steam - Columbus Plant ranks #5,502 of 8,713 reporting facilities by latest reported CO₂e, and #35 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 Hartford Steam - Columbus Plant? ▼
Hartford Steam - Columbus Plant's 32K MT CO₂e is higher than 3,211 of the 8,713 GHGRP facilities with reported emissions (37%), an exact count from the full corpus, not an estimate.
How much CO2 does Hartford Steam - Columbus Plant emit? ▼
Hartford Steam - Columbus Plant reported 32K MT CO2e in 2023.
What share of CARTIER ENERGY does Hartford Steam - Columbus Plant represent? ▼
Hartford Steam - Columbus Plant accounts for 27.7% of CARTIER ENERGY's reported GHGRP CO₂e (32K MT of 115K MT), ranking #3 of 3 facilities under that parent.
What is Hartford Steam - Columbus Plant's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 0.1% of reported CO₂e at Hartford Steam - Columbus Plant, 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 Hartford Steam - Columbus Plant rank inside Power Plants? ▼
Among EPA GHGRP facilities tagged Power Plants, Hartford Steam - Columbus Plant ranks #1,231 of 1,732 by latest reported CO₂e.
Is Hartford Steam - Columbus Plant reducing emissions? ▼
Over 13 reporting years (2011–2023), Hartford Steam - Columbus Plant's emissions have decreased by 22.9%. This suggests meaningful progress in emissions reduction.
Nationwide facilities with similar CO₂e or sector
Two GHGRP-derived peer sets for Hartford Steam - Columbus Plant, both outside CT so the neighborhoods are not state-geo containment.
Similar reported CO₂e
Nearest latest-year facility totals outside CT (32K MT here).
Similar Power Plants CO₂e
Nearest same-sector facility totals outside CT.