Chapter I - FEDERAL ENERGY REGULATORY COMMISSION, DEPARTMENT OF ENERGY
- Subchapter A - GENERAL RULES (§§ 1.101 — 3c.3)
- Subchapter B - REGULATIONS UNDER THE FEDERAL POWER ACT (§§ 4.1 — 50.11)
- Subchapter C - ACCOUNTS, FEDERAL POWER ACT (§§ 125.1 — 125.3)
- Subchapter D - APPROVED FORMS, FEDERAL POWER ACT AND PUBLIC UTILITY REGULATORY POLICIES ACT OF 1978 (§§ 131.20 — 141.500)
- Subchapter E - REGULATIONS UNDER NATURAL GAS ACT (§§ 152.1 — 158.12)
- Subchapter F - ACCOUNTS, NATURAL GAS ACT (§§ 225.1 — 225.3)
- Subchapter G - APPROVED FORMS, NATURAL GAS ACT (§§ 250.1-250.5 — 260.401)
- Subchapter H - PROCEDURES GOVERNING DETERMINATIONS FOR TAX CREDIT PURPOSES (§§ 270.101 — 270.506)
- Subchapter I - OTHER REGULATIONS UNDER THE NATURAL GAS POLICY ACT OF 1978 AND RELATED AUTHORITIES (§§ 280.101 — 286.109)
- Subchapter J - REGULATIONS UNDER THE POWERPLANT AND INDUSTRIAL FUEL USE ACT OF 1978 (§ 287.101)
- Subchapter K - REGULATIONS UNDER THE PUBLIC UTILITY REGULATORY POLICIES ACT OF 1978 (§§ 290.101 — 294.101)
- Subchapter L - REGULATIONS FOR FEDERAL POWER MARKETING ADMINISTRATIONS (§§ 300.1 — 301.7)
- Subchapter P - REGULATIONS UNDER THE INTERSTATE COMMERCE ACT (§§ 340.1 — 349.7)
- Subchapter Q - ACCOUNTS UNDER THE INTERSTATE COMMERCE ACT (§ 351.1)
- Subchapter R - APPROVED FORMS, INTERSTATE COMMERCE ACT (§§ 356.1 — 357.5)
- Subchapter S - STANDARDS OF CONDUCT FOR TRANSMISSION PROVIDERS (§§ 358.1 — 358.8)
- Subchapter U - REGULATIONS UNDER THE PUBLIC UTILITY HOLDING COMPANY ACT OF 2005, FEDERAL POWER ACT AND NATURAL GAS ACT (§§ 366.1 — 369.1)
- Subchapter W - REVISED GENERAL RULES (§§ 375.101 — 382.203)
- Subchapter X - PROCEDURAL RULES (§§ 385.101 — 390.4)