Mill Creek
Louisville, KY · JEFFERSON COUNTY · NAICS 221112
Data updated May 2026
Mill Creek sits in the upper third of EPA GHGRP reporters by latest CO₂e (#32 of 8,713 nationally, #3 of 178 in KY).
- National rank #32 of 8,713 GHGRP facilities
- #3 of 178 in KY
- #27 of 1,732 in Power Plants
- 26.9% of PPL parent CO₂e
- 2023 mix: 0.8% non-CO₂ (N₂O-led)
- -16.3% since 2011
Mill Creek vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
7,214,107 32nd of 8713 higher than 8,681 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 26.9% of PPL reported parent CO₂e (7.2M MT of 26.8M MT ; #2 of 6 GHGRP facilities under that parent ). Inside the EPA Power Plants sector it ranks #27 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 7.2M MT CO₂e reported for 2023, non-CO₂ gases are 0.8% , led by N₂O at 0.5% . Component shares use this facility's GHGRP CO₂ / CH₄ / N₂O rows for that year (already CO₂e-weighted).
- CO₂
- 99.2%
- 7.2M MT
- CH₄
- 0.3%
- 21K MT
- N₂O
- 0.5%
- 37K MT
Emissions decline across reporting years
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 7,214,107 |
| 2022 | 7,066,313 |
| 2021 | 7,194,246 |
| 2020 | 6,397,995 |
| 2019 | 7,988,785 |
| 2018 | 8,463,121 |
| 2017 | 8,584,495 |
| 2016 | 7,646,947 |
| 2015 | 7,662,971 |
| 2014 | 8,415,180 |
| 2013 | 7,926,000 |
| 2012 | 8,047,484 |
| 2011 | 8,621,672 |
Facility insight: Mill Creek
Mill Creek (GHGRP ID 1006510) is a high-volume reporter at 7.2M MT CO₂e in 2023 from Louisville, KY (#32 of 8,713 nationally) under Power Plants (NAICS 221112).
Across 2011–2023, annual CO₂e fell 16.3%; peak load was 8.6M MT in 2011. This facility has filed every year from 2011 to 2023, a complete 13-year record.
Peak year was 2011 at 8.6M MT CO2e; latest 2023 sits 16.3% below that peak (7.2M MT). The largest year-to-year move was 2019→2020 (-19.9%, 1.6M MT).
Frequently Asked Questions
Where does Mill Creek rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, Mill Creek ranks #32 of 8,713 reporting facilities by latest reported CO₂e, and #3 of 178 facilities in KY (same sort as the state facility table). See /methodology#corpus-placement.
What share of GHGRP facilities report less CO₂e than Mill Creek? ▼
Mill Creek's 7.2M MT CO₂e is higher than 8,681 of the 8,713 GHGRP facilities with reported emissions (100%), an exact count from the full corpus, not an estimate.
How much CO2 does Mill Creek emit? ▼
Mill Creek reported 7.2M MT CO2e in 2023.
What share of PPL does Mill Creek represent? ▼
Mill Creek accounts for 26.9% of PPL's reported GHGRP CO₂e (7.2M MT of 26.8M MT), ranking #2 of 6 facilities under that parent.
What is Mill Creek's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 0.8% of reported CO₂e at Mill Creek, with N₂O the larger non-CO₂ share at 0.5% (CO₂ 99.2%). Shares use the facility's GHGRP gas components for that year.
Where does Mill Creek rank inside Power Plants? ▼
Among EPA GHGRP facilities tagged Power Plants, Mill Creek ranks #27 of 1,732 by latest reported CO₂e.
Is Mill Creek reducing emissions? ▼
Over 13 reporting years (2011–2023), Mill Creek's emissions have decreased by 16.3%. This suggests meaningful progress in emissions reduction.
Nationwide facilities with similar CO₂e or sector
Peer sets outside KY for a top-third GHGRP emitter: CO₂e totals first, then Power Plants neighbors.
Similar reported CO₂e
Nearest latest-year facility totals outside KY (7.2M MT here).
Similar Power Plants CO₂e
Nearest same-sector facility totals outside KY.