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Title 18

Displaying title 18, up to date as of 6/04/2026. Title 18 was last amended 5/28/2026.
There have been changes in the last two weeks to Chapter I.
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Title 18Conservation of Power and Water ResourcesPart / Section
Chapter IFederal Energy Regulatory Commission, Department of Energy1 – 399
Subchapter AGeneral Rules1 – 3c
Subchapter BRegulations Under the Federal Power Act4 – 50
Subchapter CAccounts, Federal Power Act101 – 125
Subchapter DApproved Forms, Federal Power Act and Public Utility Regulatory Policies Act of 1978131 – 149
Subchapter ERegulations Under Natural Gas Act152 – 158
Subchapter FAccounts, Natural Gas Act201 – 225
Subchapter GApproved Forms, Natural Gas Act250 – 260
Subchapter HProcedures Governing Determinations for Tax Credit Purposes270
Part 270Determination Procedures270.101 – 270.506
Subchapter IOther Regulations Under the Natural Gas Policy Act of 1978 and Related Authorities280 – 286
Subchapter JRegulations Under the Powerplant and Industrial Fuel Use Act of 1978287
Part 287Rules Generally Applicable to Powerplant and Industrial Fuel Use287.101
Subchapter KRegulations Under the Public Utility Regulatory Policies Act of 1978290 – 294
Subchapter LRegulations for Federal Power Marketing Administrations300 – 301
Subchapters M-O [Reserved]
Subchapter PRegulations Under the Interstate Commerce Act340 – 349
Subchapter QAccounts Under the Interstate Commerce Act351
Subchapter RApproved Forms, Interstate Commerce Act356 – 357
Subchapter SStandards of Conduct for Transmission Providers358
Part 358Standards of Conduct358.1 – 358.8
Subchapter T [Reserved]
Subchapter URegulations Under the Public Utility Holding Company Act of 2005, Federal Power Act and Natural Gas Act366 – 369
Subchapter WRevised General Rules375 – 382
Subchapter XProcedural Rules385 – 399