| Chapter 4901:1-1. Utility Tariffs; Underground Utility Protection Service Registration |
| Chapter 4901:1-2. Protection of Underground Utility Facilities |
| Chapter 4901:1-3. Attachments to Utility Equipment or Rights of Way |
| Chapter 4901:1-4. Alternative Regulations for Incumbent Local Exchange Carrier (ILEC) |
| Chapter 4901:1-5. Furnishing of Intrastate Telecommunications Service by Local Exchange Companies |
| Chapter 4901:1-6. Retail Telecommunication Services |
| Chapter 4901:1-7. Local Exchange Carriers |
| Chapter 4901:1-8. 9-1-1 Service Program |
| Chapter 4901:1-9. Metering Options |
| Chapter 4901:1-10. Electric Companies |
| Chapter 4901:1-11. Electric Fuel Component Rate |
| Chapter 4901:1-12. Ohio Coal Research and Development Rate |
| Chapter 4901:1-13. Gas Companies |
| Chapter 4901:1-14. Uniform Purchased Gas Adjustment Clause |
| Chapter 4901:1-15. Waterworks Companies and Sewage Disposal System Companies |
| Chapter 4901:1-16. Gas Pipeline Safety |
| Chapter 4901:1-17. Establishment of Credit for Residential Service |
| Chapter 4901:1-18. Termination of Residential Service |
| Chapter 4901:1-19. Alternative Rate Plan; Exemptions |
| Chapter 4901:1-20. Transition Plan of Electric Utility |
| Chapter 4901:1-21. Competitive Retail Electric Service Providers |
| Chapter 4901:1-22. Interconnection Services |
| Chapter 4901:1-23. Electric Reliability, Customer Service and Safety |
| Chapter 4901:1-24. Certification of CRES Providers |
| Chapter 4901:1-25. Market Monitoring |
| Chapter 4901:1-26. Dispute Resolution |
| Chapter 4901:1-27. Certification of Governmental Aggregators and Retail Natural Gas Suppliers |
| Chapter 4901:1-28. Aggregation with Prior Consent |
| Chapter 4901:1-29. Minimum Standards for Competitive Retail Natural Gas Service |
| Chapter 4901:1-30. Reporting Requirements |
| Chapter 4901:1-31. Opening Areas to Competition |
| Chapter 4901:1-32. Determination of Allowable Capacity and Commodity Costs |
| Chapter 4901:1-33. Not-for-Profit Customer Declarations of Mercantile Status |
| Chapter 4901:1-34. Noncompliance |
| Chapter 4901:1-35. Electric Distribution Utility (EDU) |
| Chapter 4901:1-36. Transmission Cost Recovery Rider |
| Chapter 4901:1-37. Electric Utility and Affiliates |
| Chapter 4901:1-38. Arrangements |
| Chapter 4901:1-39. Energy Efficiency Programs |
| Chapter 4901:1-40. Alternative Energy Portfolio Standard |
| Chapter 4901:1-41. Greenhouse Gas Reporting and Carbon Dioxide Control Planning |
| Chapter 4901:1-42. Review of Green Pricing Programs |
| Chapter 4901:1-43. Recovery of Infrastructure Development Costs |