---
kind: "unit"
title: "18"
title_heading: "Conservation of Power and Water Resources"
key: "chI/subchU"
level: "subchap"
label: "Subchapter U"
heading: "Regulations under the Public Utility Holding Company Act of 2005, Federal Power Act and Natural Gas Act"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/18/chI-subchU"
sections_count: 235
---

# Subchapter U — Regulations under the Public Utility Holding Company Act of 2005, Federal Power Act and Natural Gas Act

Title 18 C.F.R. — Conservation of Power and Water Resources › Chapter I — Federal Energy Regulatory Commission, Department of Energy

## Contents

- [Part 366 — Books and Records](/cfr/18/chI-subchU-part366.md)
- [Part 367 — Uniform System of Accounts for Centralized Service Companies Subject to the Provisions of the Public Utility Holding Company Act of 2005, Federal Power Act and Natural Gas Act](/cfr/18/chI-subchU-part367.md)
- [Part 368 — Preservation of Records of Holding Companies and Service Companies](/cfr/18/chI-subchU-part368.md)
- [Part 369 — Statements and Reports (schedules)](/cfr/18/chI-subchU-part369.md)