T
- Tailgate Safety Meeting
- Tailings
- Tall Oil
- Tallow
- Tangible Development Costs
- Tank Farm
- Tanker and Barge
- Tar Sands
- Tariff
- Tax-Cost
- Telemetering (Electric)
- Temperature (T)
- Temperature Coefficient (of a Solar Photovoltaic Cell)
- Temporarily Discharged Fuel
- Tennessee Valley Authority (TVA)
- Tennessee Valley Authority (TVA)
- Terawatt-hour (TWh)
- Terawatthour (TWh)
- Term Agreement
- Terminal Location
- Terrestrial Sequestration
- Tertiary Amyl Methyl Ether (TAME)
- Tertiary Amyl Methyl Ether (TAME)
- Tertiary Butyl Alcohol (TBA)
- Test Well Contribution
- Therm
- Therm (TH)
- Thermal Conversion Factor
- Thermal Cracking
- Thermal Efficiency
- Thermal Energy Storage
- Thermal Limit
- Thermal Maturity
- Thermal Rating (Electric)
- Thermal Resistance (R-Value)
- Thermal Storage
- Thermocouple
- Thermodynamics
- Thermophotovoltaic Cell (TPV)
- Thermosiphon System
- Thermostat
- Third-party Demand-Side Management (DSM) Program Sponsor
- Third-party Operator (TPO)
- Third-party Transactions
- Thorium
- Thousand Barrels of Oil Equivalent per Day (MBOED)
- Three-phase Power
- Tidewater Piers and Coastal Ports (Method of Transportation to Consumers)
- Tie Line
- Tie Line (Electric)
- Tight Oil
- Time Clocks or Timed Switches
- Time-of-day Lock-out or Limit
- Time-of-Day Pricing (TOD)
- Time-of-day Rate
- Timing Differences
- Tinted or Reflective Glass or Shading Films
- Tipping Fee
- Tipple
- To Be Announced (TBA)
- Tolling Arrangement
- Toluene (C6H5CH3)
- Ton Mile
- Topping Cycle
- Total Discoveries
- Total Energy Consumption
- Total Gas in Storage
- Total Liquid Hydrocarbon Reserves
- Total Natural Gas Storage Field Capacity (Design Capacity)
- Total Operated Basis
- Total Organic Carbon (TOC)
- Transfer Capability
- Transfer Price
- Transformer
- Transmission (electric)
- Transmission (Electric)
- Transmission and Distribution Loss
- Transmission Circuit
- Transmission Constraint (Electric)
- Transmission Line
- Transmission Line (Electric)
- Transmission Network
- Transmission Operator (Electric)
- Transmission Owner (Electric)
- Transmission Service Provider (TSP)
- Transmission System (Electric)
- Transmission Type (Engine)
- Transmitting Utility
- Transmix
- Transport
- Transportation Agreement
- Transportation Energy Expenditures
- Transportation Sector
- Transported Gas
- Transporter
- Transshipment
- Treating Plant
- Trillion British Thermal Units (Trillion Btu)
- Triuranium Octoxide (U3O8)
- Troposphere
- Trough
- Trunk Line
- Turbine
- Type of Drive (Vehicle)