705 abbreviations
Abbreviation Meaning
TVA Tennessee Valley Authority (US) (electricity)
TW terawatt (one trillion watts) (measurement)
TWH terawatt-hour (one trillion watt hours)
U3O8 triuranium octaoxide (nuclear)
UAE United Arab Emirates (oil)
UCTE Union for the Coordination of the Transport of Electricity, the power transmission system of continental Europe
UF6 uranium hexaflouride (nuclear)
UFLS Under frequency load shedding (electricity)
UHVAC Ultra High Voltage Alternating Current (electricity)
UHVDC Ultra High Voltage Direct Current (electricity)
ULCC Ultra Large Crude Carrier (oil)
UMTRA Uranium Mill Tailings Radiation Control Act of 1978 (US)
UNCCD United Nations Convention to Combat Desertification
UNDESA UN Department of Economic and Social Affairs
UNECE United Nations Economic Commission for Europe
UO2 uranium dioxide (nuclear)
UO3 uranium trioxide (nuclear)
UO4 uranyl peroxide (nuclear)
UOX uranium oxide (nuclear)
URR Ultimate Recoverable Resources
USBR United States Bureau of Reclamation
U.S.C. United States Code
USCE United States Army Corps of Engineers
US DOE United States Department of Energy
U-value thermal transmittance (also called U-factor)
UVLS Under voltage load shedding (electricity)
V Volt (measurement)
VA Volt-ampere (measurement)
var Volt-ampere reactive (measurement)
VAWT vertical axis wind turbine (wind)
VIN vehicle identification number (US) (transportation)
VLCC very large crude carrier (oil)
VMT vehicle miles traveled (transportation)
VOC volatile organic compound
VPP Variable peak pricing (electricity)
VSA Voltage stability analysis
WACOG weighted average cost of gas
WAMS Wide area measurement system- see description in phasor measurement unit article. (electricity)
WCMC World Conservation Monitoring Centre
WCRE World Commission on Renewable Energy
WEA World Energy Assessment
WEC World Energy Council
WECC Western Electricity Coordinating Council (US)
WEEA World Energy Efficiency Organization
WF water factor (clothes washers)
WH watthour (measurement)
WIRAB Western Interconnection Regional Advisory Body (US)
WRI World Resources Institute
WSCC Western Systems Coordinating Council (US)
WSPP Western Systems Power Pool (US)