E
- E85 (Flex Fuel)
- E95 (Ethanol Fuel Blend)
- Economy of Scale
- Effective Full-Power Days (EFPD)
- Electric Baseboard Heating
- Electric Current
- Electric Deliveries
- Electric Energy
- Electric Expenses
- Electric Generation
- Electric Generator
- Electric Industry Reregulation
- Electric Industry Restructuring
- Electric Non-Utility
- Electric Operating Expenses
- Electric Plant (Physical)
- Electric Plant Acquisition Adjustment
- Electric Power
- Electric Power Grid
- Electric Power Industry
- Electric Power Plant
- Electric Power Sector
- Electric Power Stability
- Electric Power System
- Electric Pump for Well Water
- Electric Rate
- Electric Rate Schedule
- Electric System Loss
- Electric System Reliability
- Electric Utility
- Electric Utility Company
- Electric Utility Divestiture
- Electric Utility Generator
- Electric Utility Restructuring
- Electric Utility Sector
- Electric Vehicle (EV)
- Electric Zone
- Electrical System Energy Losses
- Electricity
- Electricity Broker
- Electricity Congestion
- Electricity Demand
- Electricity Demand Bid
- Electricity Generation
- Electricity Generation, Gross
- Electricity Generation, Net
- Electricity Paid by Household
- Electricity Sales
- Electricity Sales to Ultimate Customers
- Electricity-only Plant
- Electrochemical Process
- Elution
- Emergency
- Emergency Backup Generation
- Emergency Energy
- Emissions
- Emissions Coefficient
- End User
- End-use Energy Consumption
- End-use Sectors
- Ending Stocks
- Energy
- Energy Assistance Program
- Energy Audit
- Energy Broker System
- Energy Charge
- Energy Conservation Features
- Energy Consumption
- Energy Deliveries
- Energy Demand
- Energy Effects
- Energy Efficiency
- Energy Efficiency, Electricity
- Energy Efficient Motors
- Energy Exchange
- Energy Expenditures
- Energy Information
- Energy Information Administration (EIA)
- Energy Intensity
- Energy Intensity (CBECS)
- Energy Loss
- Energy Loss (Power)
- Energy Management and Control System (EMCS)
- Energy Management Practices
- Energy Policy Act (EPACT)
- Energy Policy Act of 1992 (EPACT)
- Energy Production
- Energy Receipts
- Energy Reserves
- Energy Sales
- Energy Savings
- Energy Service Provider
- Energy Source
- Energy Supplier
- Energy Supply
- Energy Used in the Home
- Energy-Consuming Sectors
- Energy-use Sectors
- Energy-weighted Industrial Output
- Engine Size
- Enhanced Oil Recovery (EOR)
- Enriched Uranium
- Enrichment Feed Deliveries
- Enrichment Tails Assay
- Environmental Impact Statement (EIS)
- Environmental Protection Agency (EPA)
- Environmental Protection Agency (EPA) Certification Files
- Environmental Restoration
- Environmental Restrictions
- EPA Certification
- EPA Composite MPG
- Equilibrium Cycle (Catalytic Cracking)
- Equity (Financial)
- Equity Capital
- Equity Crude Oil
- Equity in Earnings of Unconsolidated Affiliates
- Establishment
- Estimated Additional Resources (EAR)
- Estimated Recoverable Reserves (coal)
- Ethane
- Ethanol
- Ether
- Ethyl Tertiary Butyl Ether (ETBE)
- Ethyl Tertiary-Butyl Ether (ETBE)
- Ethylene
- Ethylene Dichloride (EDC)
- Eurasia
- European Union (EU)
- Evacuated-tube Collector
- Evaporation Pond
- Evaporative Cooler (Swamp Cooler)
- Excess Statutory Depletion
- Exchange
- Exchange Agreement
- Exchange Energy
- Exchange, Electricity
- Exchange, Natural Gas
- Exchange, Power
- Exempt Wholesale Generator (EWG)
- Exhaust Fan
- Expenditure
- Expenditures per Million Btu (MMBtu)
- Expenditures per Square Foot
- Expert Working Group (EWG)
- Exploration Drilling
- Exploratory Well
- Export Administration Regulations (EAR)
- Exports
- Extensions
- Extensions, Discoveries, and Other Additions
- Externalities
- Extraction Loss
- Extractive Industries
- Extraordinary Income Deductions (Electric Utility)