Wygen I
GILLETTE, WY · Campbell · NAICS 221112
Data updated May 2026
Wygen I sits in the upper third of EPA GHGRP reporters by latest CO₂e (#763 of 8,713 nationally, #16 of 132 in WY).
- National rank #763 of 8,713 GHGRP facilities
- #16 of 132 in WY
- #524 of 1,732 in Power Plants
- 100% of MUNICIPAL ENERGY AGENCY OF NEBRASKA parent CO₂e
- 2023 mix: 0.8% non-CO₂ (N₂O-led)
- -6.5% since 2011
Wygen I vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
799,205 763rd of 8713 higher than 7,950 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 100% of MUNICIPAL ENERGY AGENCY OF NEBRASKA reported parent CO₂e (799K MT of 799K MT ). Inside the EPA Power Plants sector it ranks #524 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 799K 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%
- 793K MT
- CH₄
- 0.3%
- 2K MT
- N₂O
- 0.5%
- 4K MT
High-emitter reporting timeline
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 799,205 |
| 2022 | 838,840 |
| 2021 | 645,553 |
| 2020 | 837,982 |
| 2019 | 815,228 |
| 2018 | 757,847 |
| 2017 | 874,670 |
| 2016 | 838,554 |
| 2015 | 872,061 |
| 2014 | 843,979 |
| 2013 | 858,162 |
| 2012 | 816,336 |
| 2011 | 854,497 |
Facility insight: Wygen I
Wygen I (GHGRP ID 1000050) is a high-volume reporter at 799K MT CO₂e in 2023 from GILLETTE, WY (#763 of 8,713 nationally) under Power Plants (NAICS 221112).
Over 13 years (2011–2023), emissions stayed within a narrow band around 799K MT CO₂e (peak 875K MT). This facility has filed every year from 2011 to 2023, a complete 13-year record.
Peak year was 2017 at 875K MT CO2e; latest 2023 sits 8.6% below that peak (799K MT). The largest year-to-year move was 2021→2022 (+29.9%, 193K MT).
Frequently Asked Questions
Where does Wygen I rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, Wygen I ranks #763 of 8,713 reporting facilities by latest reported CO₂e, and #16 of 132 facilities in WY (same sort as the state facility table). See /methodology#corpus-placement.
What share of GHGRP facilities report less CO₂e than Wygen I? ▼
Wygen I's 799K MT CO₂e is higher than 7,950 of the 8,713 GHGRP facilities with reported emissions (91%), an exact count from the full corpus, not an estimate.
How much CO2 does Wygen I emit? ▼
Wygen I reported 799K MT CO2e in 2023.
What share of MUNICIPAL ENERGY AGENCY OF NEBRASKA does Wygen I represent? ▼
Wygen I accounts for 100% of MUNICIPAL ENERGY AGENCY OF NEBRASKA's reported GHGRP CO₂e (799K MT of 799K MT).
What is Wygen I's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 0.8% of reported CO₂e at Wygen I, 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 Wygen I rank inside Power Plants? ▼
Among EPA GHGRP facilities tagged Power Plants, Wygen I ranks #524 of 1,732 by latest reported CO₂e.
Is Wygen I reducing emissions? ▼
Over 13 reporting years (2011–2023), Wygen I's emissions have decreased by 6.5%. Emissions have remained relatively stable.
Nationwide facilities with similar CO₂e or sector
Peer sets outside WY for a top-third GHGRP emitter: CO₂e totals first, then Power Plants neighbors.
Similar reported CO₂e
Nearest latest-year facility totals outside WY (799K MT here).
Similar Power Plants CO₂e
Nearest same-sector facility totals outside WY.