How much carbon does
your company emit?
Search corporate greenhouse gas emissions — 2,268 parent companies and 6,455 U.S. industrial facilities, reported annually under the EPA GHGRP. 2.38B metric tons CO₂e in 2023.
- CO₂e (latest year)
- 2.38B
- Reporting facilities
- 6,455
- Parent companies
- 2,268
- Years tracked
- 13
- 1. Vistra 86.3M
- 2. THE SOUTHERN 78.4M
- 3. DUKE ENERGY 65.0M
- 4. CPN MANAGEMENT 47.6M
- 5. NEXTERA ENERGY 45.6M
- 6. AMERICAN ELECTRIC PO… 44.7M
Top Emitters
View top 100 →Top 10 corporate emitters (MT CO₂e)
| # | Company | Emissions (MT CO2e) |
|---|---|---|
| 1 | Vistra | 86.3M |
| 2 | THE SOUTHERN | 78.4M |
| 3 | DUKE ENERGY | 65.0M |
| 4 | CPN MANAGEMENT | 47.6M |
| 5 | NEXTERA ENERGY | 45.6M |
| 6 | AMERICAN ELECTRIC POWER CO | 44.7M |
| 7 | BERKSHIRE HATHAWAY | 43.1M |
| 8 | US GOVERNMENT | 41.4M |
| 9 | EXXON MOBIL | 34.3M |
| 10 | ENTERGY | 33.9M |
| 11 | XCEL ENERGY | 29.0M |
| 12 | MARATHON PETROLEUM | 28.8M |
| 13 | DOMINION ENERGY | 28.5M |
| 14 | CLEVELAND-CLIFFS | 27.4M |
| 15 | PPL | 26.8M |
| 16 | PHILLIPS 66 | 24.6M |
| 17 | VALERO ENERGY | 23.5M |
| 18 | DTE ENERGY | 23.0M |
| 19 | KOCH INDUSTRIES | 22.6M |
| 20 | NRG ENERGY | 22.1M |
Emissions by Industry Sector
Emissions by State
All states →Related Data Portals
Emissions Guides
Scope 1, 2, 3 Explained
What EPA data covers and what it misses
Biggest US Emitters
Which companies top the emissions rankings
Emissions Data for ESG
Using GHGRP data for investment research
Tracking Emission Trends
What 13 years of data reveals
Carbon Reporting Explained
How GHGRP reporting works
California SB 253
New state-level reporting requirements
Frequently Asked Questions
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Guides & Analysis
Editorial research and plain-language explainers from our team. Every guide is written to help you read the underlying public data correctly.
Live Data Products
PlainCarbon is built on the EPA Greenhouse Gas Reporting Program (GHGRP) database. Every page renders directly from the current dataset. See all research.
Top Emitters
Highest-emitting parent companies ranked by total CO2e across all reporting facilities and years — sourced live from the companies table.
Live DataTop Methane Emitters
Companies ranked by aggregate methane (CH4) emissions across the GHGRP reporting universe — derived live from the emissions table.
Live DataBiggest Emissions Reducers
Companies that have most-reduced their reported CO2e between earliest and latest reporting years — computed from the company_yearly trend table.