- Radio Spectrum
- Ramsey Pricing
- Ratchet Effect
- Rate Base
- Rate Base, Value-Based Approach
- Rate Case
- Rate Class
- Rate Design
- Rate Level
- Rate Interest
- Rate of Return
- Rate of Return Regulation
- Rate Structure
- Rate Surcharge
- Rate Survey
- Rates, Block
- Rates, Demand
- Rates, Flat
- Rates, Lifeline
- Rates, Seasonal
- Rates, Step
- Rates, Time-of-Use
- Rates, Unbundled
- Ratio Analysis
- Re-Regulation
- Real-Time Pricing
- Reallocation of Resources
- Redistributive Effects
- Refunds
- Regional Transmission Organization (RTO)
- Regression Analysis
- Regressive Taxes
- Regulated Supplier
- Regulated Third-Party Access
- Regulated Utility
- Regulating Risks
- Regulation
- Regulation by Contract
- Regulators
- Regulatory Accountability
- Regulatory Agencies, Independence
- Regulatory Agency
- Regulatory Announcements
- Regulatory Asset Base
- Regulatory Assets
- Regulatory Bodies
- Regulatory Capture
- Regulatory Collusion
- Regulatory Competition
- Regulatory Coordination
- Regulatory Drift
- Regulatory Failure
- Regulatory Governance
- Regulatory Guidelines
- Regulatory Lag
- Regulatory Objectives
- Regulatory Procedures, Fairness of
- Regulatory Reform
- Regulatory Space
- Regulatory/Government Changes
- Relative Prices
- Reliability
- Renewable Energy Resource
- Renewable Resources
- Rent
- Replacement Cost
- Reseller
- Reserve Margin
- Resource Allocation
- Resource Efficiency
- Restrictions on Competition and/or Incumbent Under Regulation
- Restructuring
- Retail Competition
- Retail Deposit
- Retail Energy Market
- Retail Price Index (RPI)
- Retail Price Index X (RPIX)
- Retail Wheeling
- Return on Capital Employed (ROCE)
- Return on Net Assets (RONA)
- Return on Total Assets (ROTA)
- Return to Scale
- Revenue
- Revenue Cap
- Revenue Forecasting
- Revenue Requirements
- Revenue Sharing
- Revenue Yields Controls
- Revenue-Neutral Policies
- Rewards
- Ring Fencing
- Risk
- Risk Allocation
- Risk-Bearing Economies of Scale
- Roaming
- Rollover
- RPI-X Regulation
- Rules of Conduct
