Subpart C – General Stationary Fuel Combustion Sources

This page provides resources for subpart C reporters, including implementation information for reporters as well as supporting documents for relevant rulemakings.

Summary

Stationary fuel combustion sources are devices that combust any solid, liquid, or gaseous fuel generally to: produce electricity, steam, useful heat, or energy for industrial, commercial, or institutional use or reduce the volume of waste by removing combustible matter.

Reporter Resources

Subpart C Regulatory History

40 CFR Part 98.30
Federal Register Date Citation Action Description
4/25/2024 89 FR 31802 Final Rule

Updates global warming potentials (GWPs), expands the GHGRP to new source categories, and revises the requirements for certain sectors to improve the data collected and program implementation.
89 FR 31802 Final Preamble and Rule (pdf) (3.4 MB)
Response to Comments 2024 (pdf) (5.05 MB)
Final Rule Fact Sheet (April 2024) (pdf) (343.73 KB)
Fact Sheet about Updated GWPs (pdf) (166.87 KB)
88 FR 32852 Supplemental Preamble and Rule (pdf) (1,048 KB)
87 FR 36920 Proposed Preamble and Rule (pdf) (2.2 MB)
2024 Rulemaking Docket
12/09/2016 81 FR 89188 Final Rule Revises 29 subparts to streamline implementation, improve data quality, provide flexibility, and clarify the rule. Establishes confidentiality determinations for new or substantially revised data elements. Final action in response to a Petition for Reconsideration.
81 FR 89188 Final Preamble and Rule (pdf) (87 pp, 801 KB)
2016 Response to Comments
Fact Sheet: 2015 Revisions and Confidentiality Determinations (pdf) (209.54 KB, Nov 2016)
Memo: Table of Final 2015 Revisions to the Greenhouse Gas Reporting Rule
P81 FR 2536 Proposed Preamble and Rule (pdf) (91 pp, 890 KB)
10/24/2014 79 FR 63750 Final Rule Amends reporting and record keeping requirements and establishes an alternative electronic verification approach for 23 subparts to address concerns regarding public disclosure of business sensitive information while maintaining EPA's ability to verify emissions and ensure compliance.
79 FR 63750 Final Preamble and Rule (pdf) (51 pp, 633 KB)
2014 Response to Comments
2013 Inputs Rule Fact Sheet (pdf) (42.15 KB)
Memorandum: List of ‘Inputs to Equations’ Data Elements Proposed Not To Be Reported (pdf) (293.69 KB)
78 FR 55994 Proposed Preamble and Rule (pdf) (31 pp, 550 KB)
More about CBI for GHG Reporting
11/29/2013 78 FR 71904 Final Rule Updates global warming potentials (GWPs) to reflect IPCC AR4 values and amends 27 subparts to improve and clarify reporting requirements. Establishes confidentiality determinations for new and revised data elements. 
78 FR 71904 Final Preamble and Rule (pdf) (79 pp, 935 KB)
79 FR 3507 Correction Notice (pdf) (2 pp, 248 KB)
2013 Response to Comments
Proposed Rule: 2013 Revisions to the Greenhouse Gas Reporting Rule and Confidentiality Determinations for New or Substantially Revised Data Elements (pdf) (52.55 KB)
Memo: Table of Final 2013 Revisions to the Greenhouse Gas Reporting Rule
78 FR 19802 Proposed Preamble and Rule (pdf) (77 pp, 909 KB)
08/25/2011 76 FR 53057 Final Rule Defers reporting of some data elements that are inputs to emissions equations until 03/31/2013 and others until 03/31/2015.
76 FR 53057 Final Preamble and Rule (pdf) (15 pp, 235 KB)
August 2011 Response to Comments
75 FR 81350 Proposed Preamble and Rule (pdf) (15 pp, 247 KB)
75 FR 81366 Call for Information (pdf) (5 pp, 202 KB)
More about CBI for GHG Reporting
05/26/2011 76 FR 30782 Final Rule Finalizes confidentiality determinations for 34 subparts for data elements that are not inputs to emissions equations. Finalizes amendments to 40 CFR 2 governing CBI obtained under 40 CFR 98.
76 FR 30782 Final Preamble and Rule (pdf) (37 pp, 330 KB)
76 FR 64010 Correction Notice (pdf) (6 pp, 167 KB)
May 2011 Response to Comments
Fact Sheet: Final Confidentiality Determinations for Data Collected Under the Greenhouse Gas Reporting Program and Amendments to Special Rules Governing Certain Information Obtained Under the Clean Air Act (pdf) (43.28 KB, May 2011)
Memo: Final Data Category Assignments and Confidentiality
Determinations for Part 98 Reporting Elements
Proposed Preamble and Rule (07/27/2010) (pdf) (4 pp, 164 KB)
Proposed Preamble and Rule (07/07/2010) (pdf) (40 pp, 366 KB)
More about CBI for GHG Reporting
12/17/2010 75 FR 79092 Final Rule Corrects technical and editorial errors, and clarifies rule provisions for subparts A, C, D, F, G, P, V, X, Y, AA, NN, OO and PP.
75 FR 79092 Final Preamble and Rule (pdf) (81 pp, 667 KB)
2010 Response to Comments
Fact Sheet: Revisions of Certain Provisions of the Mandatory Reporting of Greenhouse Gases Rule (pdf) (97.8 KB, Nov 2010)
75 FR 48744 Proposed Preamble and Rule (pdf) (72 pp, 478 KB)
More Information about the Final Rule Revisions
10/30/2009 74 FR 56260 Final Rule Finalizes the first 30 subparts of 40 CFR Part 98, comprising subparts A, C, D, E, F, G, H, K, N, O, P, Q, R, S, U, V, X, Y, Z, AA, BB, CC, EE, GG, HH, JJ, LL, MM, NN, OO, and PP.
GHG MRR Final Rule (pdf) (6.2 MB)  
2009 Response to Comments
Regulatory Impact Analysis for the Mandatory Reporting of Greenhouse Gas Emissions Final Rule (pdf) (1.32 MB)
Technical Support Document: Stationary Fuel Combustion
Proposed Mandatory Reporting of Greenhouse Gases Rule (pdf) (3.03 MB)
Proposed Mandatory Reporting of Greenhouse Gases Preamble (pdf) (3.71 MB)

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Last updated on April 17, 2025