Valley (WEPCO)
MILWAUKEE, WI · Milwaukee · NAICS 221112
Data updated May 2026
Valley (WEPCO) sits in the upper third of EPA GHGRP reporters by latest CO₂e (#1,110 of 8,713 nationally, #15 of 161 in WI).
- National rank #1,110 of 8,713 GHGRP facilities
- #15 of 161 in WI
- #664 of 1,732 in Power Plants
- 4% of WEC Energy Group parent CO₂e
- 2023 mix: 0.1% non-CO₂ (N₂O-led)
- -59.7% since 2011
Valley (WEPCO) vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
416,963 1110th of 8713 higher than 7,603 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 4% of WEC Energy Group reported parent CO₂e (417K MT of 10.4M MT ; #4 of 15 GHGRP facilities under that parent ). Inside the EPA Power Plants sector it ranks #664 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 417K 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%
- 417K MT
- CH₄
- 0%
- 194 MT
- N₂O
- 0.1%
- 231 MT
Emissions decline across reporting years
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 416,963 |
| 2022 | 461,788 |
| 2021 | 398,436 |
| 2020 | 441,161 |
| 2019 | 367,294 |
| 2018 | 351,762 |
| 2017 | 418,543 |
| 2016 | 476,544 |
| 2015 | 622,539 |
| 2014 | 908,388 |
| 2013 | 875,120 |
| 2012 | 850,026 |
| 2011 | 1,034,575 |
Facility insight: Valley (WEPCO)
Valley (WEPCO) (GHGRP ID 1006631) is a high-volume reporter at 417K MT CO₂e in 2023 from MILWAUKEE, WI (#1,110 of 8,713 nationally) under Power Plants (NAICS 221112).
Across 2011–2023, annual CO₂e fell 59.7%; peak load was 1.0M MT in 2011. This facility has filed every year from 2011 to 2023, a complete 13-year record.
Peak year was 2011 at 1.0M MT CO2e; latest 2023 sits 59.7% below that peak (417K MT). The largest year-to-year move was 2014→2015 (-31.5%, 286K MT).
Frequently Asked Questions
Where does Valley (WEPCO) rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, Valley (WEPCO) ranks #1,110 of 8,713 reporting facilities by latest reported CO₂e, and #15 of 161 facilities in WI (same sort as the state facility table). See /methodology#corpus-placement.
What share of GHGRP facilities report less CO₂e than Valley (WEPCO)? ▼
Valley (WEPCO)'s 417K MT CO₂e is higher than 7,603 of the 8,713 GHGRP facilities with reported emissions (87%), an exact count from the full corpus, not an estimate.
How much CO2 does Valley (WEPCO) emit? ▼
Valley (WEPCO) reported 417K MT CO2e in 2023.
What share of WEC Energy Group does Valley (WEPCO) represent? ▼
Valley (WEPCO) accounts for 4% of WEC Energy Group's reported GHGRP CO₂e (417K MT of 10.4M MT), ranking #4 of 15 facilities under that parent.
What is Valley (WEPCO)'s 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 0.1% of reported CO₂e at Valley (WEPCO), 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 Valley (WEPCO) rank inside Power Plants? ▼
Among EPA GHGRP facilities tagged Power Plants, Valley (WEPCO) ranks #664 of 1,732 by latest reported CO₂e.
Is Valley (WEPCO) reducing emissions? ▼
Over 13 reporting years (2011–2023), Valley (WEPCO)'s emissions have decreased by 59.7%. This suggests meaningful progress in emissions reduction.
Nationwide facilities with similar CO₂e or sector
Peer sets outside WI for a top-third GHGRP emitter: CO₂e totals first, then Power Plants neighbors.
Similar reported CO₂e
Nearest latest-year facility totals outside WI (417K MT here).
Similar Power Plants CO₂e
Nearest same-sector facility totals outside WI.