Chapter I — Federal Energy Regulatory Commission, Department of Energy
- Subch. A General Rules §§1.101 to 3c.3
- Subch. B Regulations under the Federal Power Act §§4.1 to 50.12
- Subch. C Accounts, Federal Power Act §§125.1 to 125.3
- Subch. D Approved Forms, Federal Power Act and Public Utility Regulatory Policies Act of 1978 §§131.20 to 141.500
- Subch. E Regulations under Natural Gas Act §§152.1 to 158.12
- Subch. F Accounts, Natural Gas Act §§225.1 to 225.3
- Subch. G Approved Forms, Natural Gas Act §§250.1-250.5 to 260.401
- Subch. H Procedures Governing Determinations for Tax Credit Purposes §§270.101 to 270.506
- Subch. I Other Regulations under the Natural Gas Policy Act of 1978 and Related Authorities §§280.101 to 286.109
- Subch. J Regulations under the Powerplant and Industrial Fuel Use Act of 1978 §287.101
- Subch. K Regulations under the Public Utility Regulatory Policies Act of 1978 §§290.101 to 294.101
- Subch. L Regulations for Federal Power Marketing Administrations §§300.1 to 301.7
- Subch. M-O Subchapters M-O [reserved]
- Subch. P Regulations under the Interstate Commerce Act §§340.1 to 349.7
- Subch. Q Accounts under the Interstate Commerce Act §351.1
- Subch. R Approved Forms, Interstate Commerce Act §§356.1 to 357.5
- Subch. S Standards of Conduct for Transmission Providers §§358.1 to 358.8
- Subch. T Subchapter T [reserved]
- Subch. U Regulations under the Public Utility Holding Company Act of 2005, Federal Power Act and Natural Gas Act §§366.1 to 369.1
- Subch. W Revised General Rules §§375.101 to 382.203
- Subch. X Procedural Rules §§385.101 to 390.4