705 abbreviations
Abbreviation Meaning
SFV Straight Fixed Variable
SGR State game refuge (US)
SHGC solar heat gain coefficient
SHPO State Historic Preservation Office (US)
SI International System of Units (Système international d'unités)
SIC Standard Industrial Classification
SIR savings-to-investment ratio (energy conservation investments)
SLA Specific leakage area
SMPs Special Marketing Programs
SNG Synthetic Natural Gas or Substitute Natural Gas
SOL System Operating Limit
SPB Simple Payback (energy conservation investments)
SPCC Spill Prevention, Containment and Countermeasure Plan
SPM Synchronized phasor measurement- a WAMS network with synchrophasor sensors (PMUs). (electricity)
SPP Southwest Power Pool Inc., a Regional Transmission Organization (US)
SPP Statewide Pricing Pilot (US-California)
SPP Small power producer (electricity)
SPR Strategic Petroleum Reserve (US)
SPS Special Protection System
SR Speculative resources For example, regarding uranium deposits. (nuclear)
SRP Salt River Agricultural Improvement & Power District (US) (electricity)
SSE steady-state efficiency
SSG WI PWG Seams Steering Group of Western Interconnection PlanningWork Group (US) (electricity)
SSM Synchronized system measurement-a WAMS with synchronous sensors in addition to PMUs. See Phasor networks.
STEP Southwest Transmission Expansion Plan group (US) (electricity)
SVC Static VAR compensator (electricity)
SWAT Southwest Area Transmission (US) (electricity)
SWU Separative work unit
T&D Transmission & Distribution
TAME Tertiary amyl methyl ether
TAPS Trans-Alaska Pipeline System (natural gas)
TBA tertiary butyl alcohol
TBL Transmission business line (electricity)
TBS Town border station
Tcf Trillion cubic feet (measurement)
TCR Transition Cost Recovery (Mechanism)
TDU Transmission Dependent Utility (electricity)
TEFRA Tax Equity and Fiscal Responsibility Act of 1985
TEN Trans-European Networks (electricity)
TLR Procedures Transmission Line Loading Relief Procedures (electricity)
TO Transmission owner (electricity)
toe Ton of oil equivalent (EU)
TOP Transmission Operator (electricity)
TOU Time of use (rate) (electricity)
Transco Transmission Company (US) (electricity)
Transco Transcontinental Pipeline (US) (natural gas)
Transco National Transmission Corporation (Philippines)
TRM Transmission Reliability Margin (electricity)
TSO Transmission System Operator) (electricity)
TTC Total Transfer Capability (electricity)