call us 978.774.6999
A
Ampere
A&E
Architects and Engineers
AA
Approval Authority
AAEE
American Academy of Environmental Engineers
AAL
All Aluminum (electricity conductor)
AAQS
Ambient Air Quality Standards
AAU
Assigned Amount Units (Carbon Trading)
ABAG
Association of Bay Area Governments
AC
Alternativng Current
AC
Area Conservationist
AC
Alternating Current
ACE
Area Control Error
ACE
Army Corps of Engineers
ACEEE
American Council for an Energy-Efficient Economy
ACORE
American Council on Renewable Energy
ACRES
Actual Cost Recovery Evaluation System
ACSE
Association Control Service Element
ACSGCI
American Chemical Society-Green Chemistry Institute
ACSR
Aluminum-Covered Steel Reinforced (electricity conductor)
ADD
Area Development District
ADF
Average Daily Flow
ADR
Alternative Dispute Resolution
ADR
Automated Demand Response
AEE
Association of Energy Engineers
AEI
Advanced Energy Initiative
AEIC
Association of Edison Illuminating Companies
AEO
Annual Energy Outlook
AEO
Annual Energy Outlook
AEP
American Electric Power
AEP
Average Energy Production
AES
Advanced Encryption Standard
AESO
Alberta Electric System Operator
AESP
Association of Energy Services Professionals
AFC
Application for Certification
AFO
Animal Feeding Operation
AFS
American Fisheries Society
AFUDC
Allowance for Funds used During Construction
AFY
Acre-Feet per Year
AGATE
Advanced General Aviation Transport Experiments
AGC
Automatic Generation Control
AGW
Anthropogenic Global Warming
AHM
Acutely Hazardous Materials
AIA
American Institute of Architects
AL
Aluminum
ALA
American Lung Association
ALTA
American Land Trust Association
AMA
American Medical Association
AMA
Agricultural Management Association
AMI
Advanced Metering Infrastructure
AMI-Ent TF
AMI Enterprise Task Force
AMI-SEC TF
AMI Security Task Force
AMR
Automated Meter Reading
AMS
Advanced Meter System
AMTA
Agricultural Market Transition Act
ANOPR
Advance Notice of Proposed Rulemaking
ANSI
American National Standards Institute
AO
Agreed Order; Admistrative Order
APCD
Air Pollution Control District
APCO
Air Pollution Control Officer
APHA
American Public Health Association
API
Application Program Interface
API
American Petroleum Institute
APPA
American Public Power Association
APU
Ancillary Power Unit
APWA
American Public Works Association
AQMD
Air Quality Management District
AQMP
Air Quality Management Plan
ARB
Air Resources Board
ARC
Appalachian Regional Commission
AREM
Alliance for Retail Energy Markets
ARP
Ammonia Recovery Process
ARPA-E
Advanced Research Projects Agency-Energy
ARRA
American Recovery and Reinvestment Act
AS
Activated sludge
ASAE
American Society of Architectural Engineers
ASAT
Appliance Saturation
ASCE
American Society of Civil Engineers
ASCS
Agricultural Stabilization and Conservation Service
ASD
Adjustable Speed Drives
ASE
Alliance to Save Energy
ASERTTI
Association of State Energy Research and Technology Transfer Institutions
ASHRAE
American Society of Heating, Refrigeration and Air Conditioning Engineers
ASIWPCA
Association of State and Interstate Water Pollution Control Administrators
ASME
American Society of Mechanical Engineers
ASPRS
American Society for Photogrammetry and Remote Sensing
AST
Advanced Secondary Treatment
ASTM
American Society of Testing and Materials
ATA
Authority to Award
ATC
Authority to Construct
ATSDR
Agency Toxic Substances and Disease Registry
ATTU
Annual Turbine Technology Update
AWEA
American Wind Energy Association
AWMFH
Agricultural Waste Management Field Handbook
AWQA
Agriculture Water Quality Authority
AWRA
American Water Resources Association
AWT
Advanced Wastewater Treatment
AWWA
American Water Works Association
B
Present value of future coil losses ($/watt)
B&P
Business and Policy
B2G
Building to Grid
BAAQMD
Bay Area Air Quality Management District
BACI
Before-and-After Control Impact
BACnet
Building Automation and Control Network
BACT
Best Available Control Technology
BACT
Bacteriological
BANANA
Build Absolutely Nothing Anywhere Near Anybody
BARCT
Best Available Retrofit Control Technology
BAS
Building Automation System
BAT
Best Available Technology
BBLs
Barrels of Oil
BBRS
Board for Building Regulations and Standards
BC
Bill Calculator
BCAP
Biomass Crop Assistance Program
BCAP
Building Codes Assistance Project
BCDC
Bay Conservation and Development Commission
BCF
Billion Cubic Feet
BCFD
Billion Cubic Feet per Day
BCHP
Building Cooling Heating and Power
BCTC
British Columbia Transmission Corporation
BCUC
British Columbia Utilties Commission
BDT
Bone Dry Tons
BEA
U.S. Bureau of Economic Affairs
BEAP
Business Environmental Assistance Program
BEEP
BOMA Energy Efficiency Program
BEPA
Building Energy Performance Assessment
BEV
Battery Electric Vehicle
BFE
Base Flood Elevation
BG
Biomass gassification
BIA
Bureau of Indian Affairs
BICEP
Business for Innovative Climate and Energy Policy
BIL
Basic Impulse Insulation Level
BIS
Bank for International Settlements
Blackwater
BLM
Bureau of Land Management
BMP
Best Management Practices
BMR
Baseline Monitoring Report
BMS
Battery Management System
BMS
Building Management System
BNR
Biological Nutrient Removal
BOD
Biochemical Oxygen Demand
BOE
Barrels of oil equivalent
BOMA
Building Owner and Managers Association
BOP
Balance of Plant (everything except the turbine)
BOS
Balance of System
BPA
Bisphenol A
BPA
Bonneville Power Administration
BPA
Bonneville Power Administration
BPJ
Best professional judgement
BPL
Broadband over Powerline
BPT
Best practicable technology
BPWT
Best practicable waste treatment
BR
Biennial Report
BRS
Broadband Radio Service
BSH
Bundesamt für Seeschiffahrt und Hydrographie
BSR
Business Social Responsibility
BT
Building Technologies
BTL
Biomass-to-liquid
BTU
British Thermal Unit
BUREC
Bureau of Reclamation
BWA
Boil Water Advisory
BWEC
Bat and Wind Energy Cooperative
BWMP
Basic Water Monitoring Programmonitoring stations
BWN
Boil Water notice
BWR
Boiling Water Reactor
C&I
Commercial and Industrial
CA
Control authority
CA
Contingency Analysis
CA
Conservation Agronomist
CAA
Clean Air Act
CAAQS
California Ambient Air Quality Standards
CABA
Continental Automated Building Association
CAC
Community Assistance Contact
CAES
Compressed Air Energy Storage
CAFE
Corporate Average Fuel Economy
CAFO
Confined Animal Feeding Operation
CAGR
Compound Annual Growth Rate
CAIDI
Customer Average Interruption Duration Index
CAIR
Clean Air Interstate Rule
CAISO
California Independent System Operator
CalCEF
The California Clean Energy Fund
CALMAC
California Measurement Advisory Committee
CALPERS
California Public Employees Retirement System
CALTRANS
California Department of Transportation
CAMPUT
Canadian Association of Members of Public Utility Tribunals
CAMR
Clean Air Mercury Rule
CAMS
Combines Administrative Management System
CAPCOA
California Air Pollution Control Officers Association
CAPM
Capital Asset Pricing Model
CAR
Corrective Action Report
CARB
California Air Resources Board
CARES
Conservation and Renewable Energy System
CAS
Conventional Activated Sludge
CAV
Community Assistance Visit
CBC
California Building Code
CBECS
Commercial Building Energy Consumption Survey
CBEP
Community based environmental protection
CBL
Customer Baseline
CBO
Congressional Budget Office
CCA
Certified Crop Advisor
CCAA
California Clean Air Act
CCET
Center for the Commercialization of Electric Technologies
CCPI
Center for Carbon-Free Power Integration
CCR
California Code of Regulations
CCRP
Continuous Conservation Reserve Program
CCS
Carbon Capture and Storage
CDBG
Community Development Block Grant
CDEAC
Clean and Diversified Energy Advisory Committee
CDF
California Department of Forestry
CDFG
California Department of Fish and Game
CDI®
Continuous Deionization
CDM
Clean Development Mechanism
CEA
Closed Environment Agriculture
CEA
Canadian Electricity Association
CEC
California Energy Commission
CED
Categorical Exclusion Determination
CED
County Executive Director
CEE
Consortium of Energy Efficiency
CEERT
Coalition for Energy Efficiency and Renewable Technologies
CEFIA
Connecticut Energy Finance Investment Authority
CEIC
Carnegie Mellon Electricity Industry Center
CEIDS
Consortium for Electric Infrastructure to Support a Digital Society
CEM
Continuous Emissions Monitoring
CEPT
Chemically Enhanced Primary Treatment
CEQA
California Environmental Quality Act
CERA
Cambridge Energy Research Associates (Chairman Daniel Yergin)
CERCLA
Comprehensive Environmental Response, Compensation and Liability Act
CERTS
Consortium for Electric Reliability Technology Solutions
CESA
Clean Energy States Alliance
CESA
California Endangered Species Act
CEUS
Commercial End Use Survey
CF
Capacity Factor
CFB
Circulating Fluidized Bed
CFC
Cabinet for Families and Children
CFC
Chloro-Fluorocarbon
CFDAP
Community Flood Damage Abatement Program
CFM
cubic feet per minute
CFO
Conservation Farm Option
CFR
Code of Federal Regulations; (compilations of federal regulations)
CFR
Code of Federal Regulations
CFRP
Carbon Filament-Reinforced Plastic
CFS
Cubic Feet per Second
CHP
Combined Heat and Power
CHS
Cabinet for Health Services
CIGRE
International Council On Large Electric Systems
CIM
Common Information Model
CIP
Cast Iron Pipe
CIP
Critical Infrastructure Protection
CIPC
Critical Infrastructure Protection Committee
CIS
Customer Information System
CIWMB
California Integrated Waste Management Board
CLUP
Comprehensive Land Use Plan
CM
Configuration Management
CMO
Change Meter work Order
CMOM
Change Meter Order Management
CNEL
Community Noise Equivalent Level
CNMP
Comprehensive Nutrient Management Plan
CNV
California/Nevada
CO
Carbon Monoxide
CO2
Carbon Dioxide
COB
California/Oregon Border
COC
County Committees
COD
Chemical Oxygen Demand
COD
Commercial Operation Date
COE
Cost of Energy
COE
Corps of Engineers
Cogeneration
COI
California Oregon Intertie
COMPTRAIN
Compliance Through Training
CPA
Conservation Planning Assistance
CPCN
Certificate of Public Convenience & Necessity
CPM
Compliance Project Manager
CPP
Continuous Planning Process; under section 205(j)
CPP
Critical Peak Pricing
CPUC
California Public Utilities Commission
CPUC
California Public Utilities Commission
CPV
Concentrated Photovoltaic (see also Concentrated Solar Power)
CRA
Columbia River Alliance for Fish, Commerce and Communities
CRBSCP
Colorado River Basin Salinity Control Project
CRE
Commercial Real Estate
CREP
Conservation Reserve Enhancement Program
CREZ
Competitive Renewable Energy Zones
CREZ
Competitive Renewable Energy Zone
CRITRC
Columbia River Inter-Tribal Fish Commission
CRMP
Coordinated Resource Management Plan
CRN®
Cooperative Research Network
CRP
Conservation Reserve Program
CRR
Congestion Revenue Rights
CRS
Community Rating System
CRSP
Colorado River Salinity Program
CRTC
Canadian Radio-television and Telecommunications Commission
CS
Contact stabilization
CS
Cyber Security
CSA
Canadian Standards Association
CSCTG
Smart Grid Cyber Security Coordination Task Group
CSEPP
Chemical Stockpile Emergency Prepardness Program
CSG
Council of State Governments
CSGWPP
Comprehensive State Ground Water Protection Plan
CSL
Candidate Standard Level
CSO
Combined Sewer Overflow
CSP
Concentrated Solar Power (see also CPV)
CSP
Curtailment Service Provider
CSP
Conservation Security Program
CSR
Corporate Social Responsibility
CSRC
Computer Security Resource Center
CSRE
Cooperative State Research, Education, and Extension Service
CST
Customer Service Toolkit
CT
Combustion Turbine
CT
Current Transformer
CT
Contact Time
CTAP
Comprehensive Technical Assistance Program
CTG
Combustion Turbine Generator
CTL
Coal-to-liquid conversion
CU
Copper
CUB
Oregon Citizens' Utility Board
CURE
California Unions for Reliable Energy
CUWR
Zinc Bromide Battery
CW
Converted Wetland
CW+YR
Converted Wetland Plus Year
CWA
Clean Water Act
CWAP
Clean Water Action Plan
DA
Distribution Automation
DAC
Disaster Assistance Center
DADS
Demand Response Availability Data System
DAQ
Division for Air Quality
dB
Decibel
DBCP
Dibromochloropropane
DBOOF
Design/Build/Own/Operate/Finance
DC
Direct Current
DC
District Conservationist
DC
Direct Current
DCIE
Data Center Infrastructure Efficiency
DCO
Data Collection Officer
DCTL
Double Circuit Transmission Line
DDNS
Domain Name System
DE
Decentralized Energy
DEA
Danish Energy Authority
DEED
Demonstration of Energy-Efficient Developments
DEER
Database for Energy Efficiency Resources
DEIR
Draft Environmental Impact Report
DEIS
Draft Environmental Impact Statement
DEP
Department for Environmental Protection
DEQ
Utah Department of Environmental Quality
DER
Distributed Energy Resources
DER
Distributed Energy Resources
DERTF
Distributed Energy Resources Test Facility
DES
Division of Environmental Services
DES
Disaster and Emergency Services
DES
Data Encryption Standard
DESS
Distributed Energy Storage System
DETL
Distributed Energy Technology Laboratory
DEWG
Domain Expert Working Group
DFG
California Department of Fish and Game
DFIRM
Digital Flood Insurance Rate Map
DFO
Disaster Field Office
DG
Distributed Generation
DGM
Distribution Grid Management
DH
District Heat
DHCP
Dynamic Host Configuration Protocol
DHS
Department of Homeland Security
DHS
California Department of Health Services
DI
De-Ionization
DIS
Department for Information Systems
DISCO
Distribution Company
DL
Design Line
DLC
Direct Load Control
DLG
Department for Local Government
DMR
Discharge Monitoring Report
DMS
Distribution Management System
DNR
Department of/for Natural Resources
DNS
Domain Name System
DO
Dissolved Oxygen
DOC
Division of Conservation
DOC
Determination of Compliance
DOD
Department of Defense
DOD
Department of Defense
DOE
Department of Energy
DOF
Division of Forestry
DOI
Department of Interior
DOJ
Department of Justice
DOP
Division of Pesticides
DOP
Division of Permits
DOQ
Digital Orthophotoquad
DOT
Department of Transportation
DOW
Division of Water
DP
Dynamic Pricing
DR
Demand Response
DR Ready
Demand Response Ready
DRAS
Demand Response Automation Server
DRCC
Demand Response Coordinating Committee
DRPC
Dynamic Real Power Compensation
DRRC
Demand Response Research Center
DRSG
Demand Response and Smart Grid Coalition
DSI
Direct Service Industries
DSIRE
Database of State Incentives for Renewables & Efficiency
DSM
Distributed Systems Management
DSM
Demand Side Management
DSMRE
Department for Surface Mining Reclamation and Enforcement
DSPF
Distribution System Power Flow
DTCR
Dynamic Thermal Circuit Rating
DWB
Drinking Water Branch
DWM
Division of Waste Management
DWML
Digital Weather Markup Language
DWQ
Utah Division of Water Quality
DWR
Department of Water Resources
DWR
Division of Wildlife Resources
DWT
Distributed Wind Technology
E&P
Exploration and production
EA
Extended Aeration
EA
Environmental Assessment
EAC
Electric Advisory Committee
EAS
Environmental Assessment Statement
EBC
Environmental Business Council
EBI
Environmental Benefits Index
EBR
Electrogenic Bioreactor
ECAA
Energy Conservation Assistance Account
ECAR
East Central Area Reliability Coordinating Agreement
ECM
Energy Conservation Measures
ECP
Emergency Conservation Program
ECSL
Enforcement Compliance Schedule Letter
ECWG
Electronic Commerce Working Group
EDB
Ethylenedibromide
EDC
Economic Development Cabinet
EDC
Electric Distribution Company
EDC
Endocrine Disrupting Compound
EDF
Environmental Defense Fund
EDL
Exchange Data Language
EDR
Energy Development Report
EE
Energy Efficiency
EEEL
Electronics and Electrical Engineering Laboratory
EEI
Edison Electric Institute
EEI
Edison Electric Institute
EENS
Expected Energy Not Served
EEO
Equal Employment Opportunity
EER
Energy Efficiency Ratio
EERE
Energy Efficiency and Renewable Energy Office
EERS
Energy Efficiency Resource Standards
EESAT
Electrical Energy Storage Applications & Technologies Conference
EETD
Environmental Energies Technology Division
EFH
Engineering Field Handbook
EFOTG
Electronic Field Office Technical Guide
EFRC
Energy Frontier Research Center
EFS&EPD
Energy Facilities Siting and Environmental Protection Division
EFT
Electronic Fund Transfer
EFTA
European Free Trade Agreement
EfW
Energy from Waste
EHV
Extra High Voltage
EI
Erodibility Index
EIA
Energy Information Administration
EIR
Environmental Impact Report
EIS
Environmental Impact Statement
EISA
Energy Independence and Security Act
EJMC
Environmental Justice Minority Community
EJPP
Environmental Justice Pollution Prevention
EL
Effluent limit
ELCC
Effective Load-Carrying Capability
ELFIN
Electric Utility Financial and Production Simulation Model
EMCS
Utility/Energy Management and Control Systems
EMEA
Europe Middle East Africa
EMF
Electromagnetic Fields
EMF
Electromagnetic Field
EMI
Emergency Management Institute
EMI
Electromagnetic Interference
EMM
Electricity Market Model
EMS
Energy Management System
EOR
East of River (Colorado River)
EOR
Enhanced Oil Recovery
EPA
Energy Policy Act
EPA
Environmental Protection Agency
EPC
Energy Performance Contract / Contracting
EPC
Engineering, Procurement, and Construction
EPCA
Energy Policy and Conservation Act
EPIC
Erosion / Productivity Impact Calculator
EPR
Energy Profit Ratio
EPRI
Electric Power Research Institute
EPSA
Electric Power Supply Association
EQC
Environmental Quality Commission
EQIP
Environmental Quality Incentive Program
ER
Electricity Report
ERC
Emission Reduction Credit
ERCOT
Electric Reliability Council of Texas
EREV
Extended Range Electric Vehicle
ERO
Electricity Reliability Organization
EROEI
Energy Return on Energy Invested
ERP
Equity Risk Premium
ERPA
Energy Resources Program Account
ERT
Environmental Response Team
ES
Emergency Spillway
ES
Extension Service
ES
Energy Storage
ESA
Electricity Storage Association
ESA
Endangered Species Act
ESA
Environmental Site Assessment
ESC
Energy Solutions Center
ESCO
Energy Services Company
ESG
Environmental Social and Governance
ESI
Energy Services Interface
ES-ISAC
Electricity Sector Information Sharing and Analysis Center
ESP
Energy Service Provider
ESP
Energy Service Providers
ETAC
Energy Technology Assessment Center
ETCC
Emerging Technologies Coordinating Council
ETS
Emmissions Trading System
ETSI
European Telecommunications Standards Institute
ETSR
Energy Technologies Status Report
EU
European Union
EUC
End Use Consumption
EUI
End Use Intensities
EUMD
End Use Measurement Device
EUV
Extreme Ultraviolet
EV
Electric Vehicle
Ev-Do
Evolution Data Only or Optimized
EVSE
Electric Vehicle Supply Equipment
EWEA
European Wind Energy Association
EWEB
Eugene Water & Electric Board
EWG
Exempt Wholesale Generator
EWP
Emergency Watershed Protection
EWRP
Emergency Wetlands Reserve Program
FAA
Federal Aviation Administration
FACTA
Food and Agriculture Conservation and Trade Act
FACTS
Flexible AC Transmission System
FAIRA
Federal Agriculture Improvement and Reform Act
FAR
Federal Assistance (Activity) Review
FAS
Farm Assessment System
FBBR
Fluidized Bed Bioreactor
FBE
Functional Basis Earthquake
FBI
Federal Bureau of Investigation
FBS
Federal Base System
FC
Facilities Construction Branch
FCAA
Federal Clean Air Act
FCC
Federal Communications Commission
FCC
Federal Communications Commission
FCL
Fault Current Limiter
FCM
Forward Capacity Market
FCRPS
Federal Columbia River Power System
FDA
Flood Damage Abatement
FDIR
Fault Detection, Isolation and Repair
FEIR
Final Environmental Impact Report
FEMA
Federal Emergency Management Agency
FEMP
Federal Energy Management Program
FERC
Federal Energy Regulatory Commission
FES
Flywheel Energy Storage
FHA
Federal Housing Administration
FHBM
Flood hazard boundary map
FhwA
Federal Highway Administration
FIA
Flood Insurance Administration
FIFRA
Federal Insecticide, Fungicide and Rodenticide Act
FIP
Flood Insurance Program
FIP
Federal Implementation Plan
FIP
Fields In Production
FIPS
Federal Information Processing Standards
FIRM
Flood Insurance Rate Map
FIT
Feed In Tarriff
FLISR
Fault Location Isolation and Service Restoration
FmHA
Farmers Home Administration/now RD
FNM
Financial Management
FNSI
Finding of No Significant Impact
FO
Forward Osmosis
FOB
Field Operations Branch
FOCS
Field Office Computing System
FOG
Fats Oils and Greases
FOIA
Freedom of Information Act
FONSI
Finding of No-Significant Impact
FOP
Fuel Oil Price
FOTG
Field Office Technical Guide
FPP
Farmland Protection Program
FPS
Feet per Second
FR
Federal Register
FRCC
Florida Reliability Coordinating Council
FRPP
Farm and Ranch Protection Program
FRR
Flood Risk Reduction
FSA
Farm Service Agency
FSA
Final Staff Assessment
FSA
Farm Service Agency
FSA
Food Security Act
FSO
Free Space OpticalSource: SONA Optical Wireless
FSU
Former Soviet Union
FTE
Full Time Equivalent
FTP
Fischer-Tropsch Process
FTP
File Transfer Protocol
FTR
Financial Transmission Rights
FUA
Fields Under Appraisal
FUD
Fields Under Development
FUV
Far Ultraviolet
FWS
US Fish and Wildlife Service
g/m3
Micrograms
GaAs
Gallium Arsenide
GAC
Granular Activated Carbon
GAP
Good Agriculture Practices
GB
Gigabarrels = 1 billion barrels
GCE
Green Chemistry and Engineering
GCT
Gas Combustion Turbine
GDP
Gross Domestic Product
GEP
Good Engineering Practices
GHG
Greenhouse Gases
GICS
Grants Information and Control System
GID
Generic Interface Definition
GIS
Geographic Information System
GIS
Gas Insulated Switchgear
GITA
Geospatial Information & Technology Association
GLA
Grazing Land Application
GLCI
Grazing Land Conservation Initiative
GM
General Manual
GMS
Generation Management System
GOB
Grants Operations Branch (US EPA)
GOM
Gulf of Mexico
GOMEX
Gulf of Mexico
GOOSE
Generic Object-Oriented Substation Event
GOSP
Gas Oil Separation Plant
GPD
Gallons per Day
GPH
Gallons per Hour
GPM
Gallons per Minute
GPP
Groundwater Protection Plan
GPRA
Government Performance Reporting Act
GPS
Global Positioning System
GRDA
Geothermal Resources Development Account
Greywater
GRI
Global Reporting Initiative
GRIM
Government Regulatory Impact Model
GRP
Glass-Fiber Reinforced Plastic
GRP
Grassland Reserve Program
GS3C
Grassland/Shrub-Steppe Species Collaborative
GSA
General Services Administration
GSM
Global System for Mobile Communication™
GTL
Gas-To-Liquids conversion
GVW
Gross Vehicle Weight
GW
Gigawatt
GWAC
GridWise Architecture Council
GWB
Groundwater Branch
GWh
Gigawatt-hour
GWPC
Groundwater Protection Council
GWR
Groundwater Replenishment
H2G
Home to Grid
H2S
Hydrogen Sulfide
HACCP
Hazard Analysis and Critical Control Points
HAN
Home Area Network
HAWT
Horizontal Axis Wind Turbine
HAZMAT
Hazardous Materials
HCP
Habitat Conservation Plan
HCR
Hydrographic Controlled Release
HDD
Heating Degree Days
HEED
High Efficiency Electro-Dialysis
HEL
Highly Erodible Land
HELC
Highly Erodible Land Conservation
HELM
Hourly Electric Load Model
HEP
Habitat Evaluation Procedures
Hg
Mercury
HGM
Hydrogeomorphic Methodology
HHV
Higher Heating Value
HID
High Intensity Discharge
HL
Hubbert Linearization
HLR
Hydraulic Loading Rate
H-ODR
Laser-scribed M3 Core Steel
HOMER
Hybrid Optimization Model for Electric Renewables
HPC
Heterotropic Bacteria Plate Count
HRA
Health Risk Assessment
HRSG
Heat Recovery Steam Generator
HRT
Hydraulic Retention Time
HSIL
High-Surge Impedance-Loading (Transmission Line)
HTS
High-Temperature Superconducting
HTTP
Hyper Text Transfer Protocol
HUC
Hydrologic Unit Code
HUD
Housing and Urban Development Agency
HV
High Voltage
HVAC
Heating Ventilation and Air Conditioning
HVDC
High Voltage Direct Current
Hz
Hertz
I/A
Innovative / Alternative
I/I
Infiltration / Inflow
I2G
Industry to Grid
IAEE
International Association of Energy Economics
IAR
Issues and Alternatives Report
IAS
Integrated Accounting System
IATFF
Information Assurance Technical Framework Forum
ICAP
Installed Capacity
ICCP-TASE.2
Inter-control Center Communications Protocol
ICE
Internal Combustion Engines
ICGC
IUPAC Conference on Green Chemistry
ICIP
Industrial Customers of Idaho Power
ICNU
Industrial Customers of Northwest Utilities
ICR
Industrial cost recovery
ICRU
International Commission on Radiological Units
ICS
Industrial Control Systems
ICWP
Interstate Conference on Water Policy
IDC
Interest During Construction
IDF&G
Idaho Department of Fish & Game
IDSM
Integrated Demand-Side Management
IEA
International Energy Agency
IEC
International Electrotechnical Commission
IECSA
Integrated Energy and Communications System Architecture
IED
Intelligent Electronic Device
IEE
Institute of Electrical Efficiency
IEEE
Institute of Electrical and Electronics Engineers
IEEFP
International Energy Efficiency Financing Protocol
IEPA
Independent Energy Producers Association
IEPR
Integrated Energy Policy Report
IESO
Independent Electricity System Operator
IETF
Internet Engineering Task Force
IFAS
Intelligent Feeder Automation System
IFES
Integrated Food Energy Systems
IGCC
Integrated Gasification Combined Cycle Coal (Plants)
IGCW
International Green Chemistry World
IHD
In-Home Display
IID
Imperial Irrigation District
IIR
Issues Identification Report
IMBUILD
Impact of Building
IMMR
Institute for Mines and Minerals Research
IMPLAN
Impact Analysis for Planning
IMT2000
International Mobile Telecommunications 2000
INFORM
Industrial End Use Forecasting Model
INL
Idaho National Laboratory
IOC
International Oil Company
IOSS
Interagency OPSEC Support Staff
IOU
Investor-Owned Utility
IP
Internet Protocol
IPC
Idaho Power Company
IPCC
Intergovernmental Panel on Climate Change
IPM
Integrated Pest Management
IPMVP
International Performance Management and Verification Protocol
IPP
Independent Power Producer
IPSO Alliance
Internet Protocol for Smart Objects Alliance
IPUC
Idaho Public Utilities Commission
IRC
ISO/RTO Council
IREC
Interstate Renewable Energy Council
IRENA
International Renewable Energy Agency
IRM
Interface Reference Model
IRP
Integrated Resource Planning
IRS
Internal Revenue Service
IS
Initial Study
ISA
International Society of Automation
ISET
Institute for Solar Energy Technology (Institut für Solare Energieversorgungstechnik)
ISO
Insurance Service Office
ISO
International Organization for Standardization
ISO
Independent System Operator
ISONE
ISO New England
ISO-NE
Independent System Operator – New England
IT
Information Technology
ITC
investment tax credit
ITU
International Telecommunications Union
IUNC
Intelligent Utility Network Coalition
IUP
Intended Use Plan
IUPAC
International Union of Pure and Applied Chemistry
JEDI
Jobs and Economic Development Impact (model)
JES
Joint Environmental Statement
JODI
Joint oil data initiative
JPA
Joint Powers Authority
KCM
Thousand Circular Miles
KDFWR
Kentucky Department of Fish and Wildlife Resources
kG
Kilogram
KGRA
Known Geothermal Resource Area
KGS
Kentucky Geological Survey
KIA
Kentucky Infrastructure Authority
KIPDA
Kentuckiana Regional Planning & Development Agency
km
Kilometer
km2
Square Kilometers
KOP
Key Observation Point
KPI
Key Point of Interoperability
kV
Kilovolt
kVA
Kilovolt-Ampere
kVAR
Kilovolt-Ampere Reactive
kW
Kilowatt
kWh
Kilowatt-Hour
kWp
Peak Kilowatt
L/A
Lead-Acid
LAER
Lowest Achievable Emission Rate
LAN
Local Area Network
LBNL
Lawrence Berkeley National Laboratory
lbs
Pounds
LC
Levelized Cost
LCA
Lifecycle Analysis
LCC
Life-Cycle Cost
LCOE
Levelized Cost of Energy
LD
Load Identification
LDC
Load Duration Curve
LEC
Levelized Energy Cost
LED
Light Emitting Diode
LEED®
Leadership in Energy Efficiency and Environmental Design
LENR
Low Energy Nuclear Reactions
LESA
Land Evaluation and Site Assessment
LFG
Landfill Gas
LFG2E
Landfill Gas to Energy
LI
Lithium Ion
LID
Low Impact Development
LIDAR
Light Detection and Ranging
LL
Load Loss
LLC
Limited Liability Company
LLNL
Lawrence Livermore National Laboratory
LMP
Locational Marginal Pricing
LMS
Load Management System
LNG
Liquified Natural Gas
LOLP
Loss of Load Probability
LOMA
Letter of Map Amendment
LOMR
Letter of Map Revision
LORS
Laws, Ordinances, Regulations and Standards
LoS
Line of Sight
LPG
Liquified Petroleum Gas
LPS
Liters per Second
LQHC
Low quality hydrocarbons (i.e., tar sands and oil shale)
LS
Land surveyor
LSE
Load-Serving Entity
LSE
Load Serving Entities
LSIT
Land surveyor in training
LTC
Load Tap Changer
LTC
Long Term Contract
LTP
Land Treatment Program
LV
Low Voltage
LWG
Local Work Group
m
Meter, Million, Mega, Milli
M & V
Measurement and Verification
M&E
Monitoring and Evaluation
M&O
Maintenace and Operation
m/s
Meters per Second
M2
Square Meter
MAAC
Mid-Atlantic Area Council
MACRS
Modified Accelerated Cost Recovery System
MADRI
Mid-Atlantic Distributed Resources Initiative
MAIFI
Momentary Average Interruption Frequency Index
MAIN
Mid-American Interconnected Network
MAPP
Mid-Continent Area Power Pool
MassCEC
Massachusetts Clean Energy Council
MB
Millions of Barrels
MBD
Millions of Barrels per Day
MBE
Minority Business Enterprise
MBR
Membrane Bioreactor
M-Bus
Meter Bus
MCE
Maximum credible earthquake
MCF
Thousand Cubic Feet
MCFC
Molten-Carbonate Fuel Cell
MCL
Maximum Contaminent Level
MDA
Meter Data Analytics
MDL
Method detection limit
MDM
Meter Data Management
MDMS
Meter Data Management System
MEID
Merced Irrigation District
MER
Maximum Effective Rate (of production)
MFAD
Multifactor Anomaly Detection
MFR
Multi-level Feeder Reconfiguration
MG
Milli Gaus
mg/d
Million gallons per day
mg/l
Milligrams per liter
MGH
Millions of Gallons per Hour
MGI
Modern Grid Initiative
MGS
Modern Grid Strategy
MIA
Manufacturer Impact Analysis
MIB
Management Information Base
MIME
Multipurpose Internet Mail Extensions
MISO
Midwest Independent System Operator
MLSS
Mixed liquor suspended solids
MMBTU
Millions of BTUs
MMC
Micromedia Column
MMcf
Million Cubic Feet per Day
MMDS
Multi-channel Multi-point Distribution System
MMF
Mixed Media Filtration
MMS
Municipal Management System
MMS
Manufacturing Messaging Specification
MMS
Minerals Management Service
MMT
Million Metric Tons
MMTCE
Million Metric Tons of Carbon Equivalent
MNDOC
Minnesota Department of Commerce
MOA
Memorandum of Agreement
MOP
Manual of Practice
MOR's
Monthly operating reports
MOU
Memorandum of Understanding
MPE
Maximum Probable Earthquake
MPPT
Maximum Power Point Tracking
MRC
Maximum Reservoir Contact
MRO
Midwest Reliability Organization
MRO
Midwest Reliability Organization
MRTU
Market Reform and Technology Update
MS
Mail Station
MSD
Metropolitan Sewer District
MSDS
Material Safety Data Sheet
MSL
Mean sea level, datum for the measure of topographic elevation
MSW
Municipal Sold Waste
MUV
Middle Ultraviolet
MV
Megavolt
MVA
Megavolt-Amperes
MVAR
Megavolt-Amperes Reactive
MVHR
Mechanical Ventilation with Heat Recovery
MW
Megawatt
MW
Minimal Effect on a Wetland
MWD
Metropolitan Water District
MWDRI
Midwest Demand Resources Initiative
MWh
Megawatt-Hour
MW-mile
Megawatt-Mile
MWp
Peak Megawatt
NAAQS
National Ambient Air Quality Standards
NABS
North American Bentnological Society
NACD
National Association of Conservation Districts
NAD
National Appeals Division
NAESB
North American Energy Standards Board
NAICS
North American Industry Classification System
NAM
National Agromomy Manual
NARUC
National Association of Regulatory Utility Commissioners
NaS
Sodium-Sulfur
NAS
National Academy of Sciences
NASEO
National Association of State Energy Officials
NASPI
North American SynchroPhasor Initiative
NAWQA
National Water Quality Assessment Program
NBH
National Biology Handbook
NBSO
New Brunswick System Operator
NCAR
National Center for Atmospheric Research
NCCCWA
National Center for Cool and Cold Water Aquaculture
NCEP
National Council for Electricity Policy
NCI
Navigant Consulting, Inc. (formerly Arthur D. Little, Inc.)
NCPA
Northern California Power Agency
NCWMAC
National Cold Water Marine Aquaculture Center
NE
New England
NEA
National Energy Act
NEB
National Energy Board
NEC
National Electrical Code®
NEEA
Northwest Energy Efficiency Alliance
NEED
National Energy Education Development Project
NEEP
Northeast Energy Efficiency Partnership
NEETRAC
National Electric Energy Testing & Research Applications Center
NEH
National Engineering Handbook
NEMA
National Electrical Manufacturers Association
NEMO
Nonpoint Education for Municipal Officials
NEMS
National Energy Modeling System
NEPA
National Environmental Policy Act
NEPOOL
New England Power Pool
NERC
North American Electric Reliability Corporation
NES
National Energy Savings
NESCAUM
Northeast States for Coordinated Air Use Management
NESHAPS
National Emission Standards for Hazardous Air Pollutants
NETL
National Energy Technology Laboratory
NFSAM
National Food Security Act Manual
NG
Natural Gas
NGL
Natural Gas Liquids
NGOs
Non-Governmental Organizations
NGWA
National Groundwater Association
NH4
Ammonia
NHA
National Hydropower Association
NHCP
National Handbook of Conservation Practices
NHEL
Non-Highly Erodible Land
NHQ
National Headquarters
NIAP
National Information Assurance Partnership
NiCd
Nickel Cadmium
NIETC
National Interest Electric Transmission Corridors
NIFA
National Institute of Food and Agriculture
NIMBY
Not In My Backyard
NiMH
Nickel Metal Hydride
NIPP
National Infrastructure Protection Plan
NIST
National Institute of Standards and Technology
NL
No-Load Losses
NLEAP
Nitrogen Leaching and Economic Analysis Package
NLoS
Non-Line-of-Sight
NMFS
National Marine Fisheries Service
NMHC
Non-Methane Hydrocarbons
NMS
Network Management System
NO2
Nitrogen Dioxide / Nitrite
NO3
Nitrate
NOAA
National Oceanic and Atmospheric Administration
NOC
National Oil Company
NOD
Notice of Deficiency Letter
NOI
Notice of Intention
NOP
Notice of Preparation
NOPR
Notice of Proposed Rulemaking
NORM
Naturally Occurring Radioactive Material
NOV
Notice of Violation
NOX
Nitrogen Oxides
NPCC
Northeast Power Coordinating Council
NPCC
Northwest Power and Conservation Council
NPDES
National Pollutant Discharge Elimination System
NPPH
National Planning Procedures Handbook
NPS
Non-Point Source
NPV
Net Present Value
NRC
National Research Council
NRC
Nuclear Regulatory Commission
NRCD
Natural Resource Conservation District
NRCS
Natural Resources Conservation Service
NRDC
Natural Resources Defense Council
NRECA
National Rural Electric Cooperative Association
NREL
National Renewable Energy Laboratory
NREPC
Natural Resources and Environmental Protection Cabinet
NRI
National Resources Inventory
NRPH
National Range and Pasture Handbook
NRRI
National Regulatory Research Institute
NRTA
Northwest Regional Transmission Association
NSA
National Security Agency
NSCAPCD
Northern Sonoma County Air Pollution Control District
NSF
National Sanitation Foundation; also National Science Foundation
NSPE
National Society of Professional Engineers
NSPS
New Source Performance Standards
NSR
New Source Review
NSTB
National SCADA Test Bed
NSTC
National Science and Technology Council
NS-WG
Network Security Working Group
NTTRC
National Transmission Technology Research Center
NTU's
Nephelometric turbidity units
NUV
Near Ultraviolet
NWAC
National Warmwater Aquaculture Center
NWCC
National Wind Coordinating Collaborative
NWEC
Northwest Energy Coalition
NWF
National Wildlife Federation
NWPP
Northwest Power Pool
NWPPA
Northwest Public Power Association
NWPPC
Northwest Power Planning Council
NWS
National Weather Service
NYISO
New York Independent System Operator
NYSERDA
New York State Energy Research and Development Authority
NYSRC
New York State Reliability Council
O&M
Operations and Maintenance
O2
Oxygen
O3
Ozone
OAIF
Office of Integrated Analysis and Forecasting
OASIS
Open Access Same-Time Information System
OASIS
Organization for the Advancement of Structured Information Standards
OATTs
Open Access Transmission Tariffs
OBF
On Bill Financing
OCB
Oil Circuit Breaker
OCS
Outer Continental Shelf
OCSG
Operating Capability Study Group
ODAC
Oil Depletion Analysis Centre
OE
Office of Electricity Delivery and Energy Reliability
OECD
Organization of Economic Cooperation and Development
OEDER
Office of Electricity Delivery and Energy Reliability
OEE
Office of Energy Efficiency
OEFSC
Oregon Energy Facility Siting Council
OEMs
Original Equipment Manufacturer
OFDM
Orthogonal Frequency Division Multiplexing
OFDMA
Orthogonal Frequency Division Multiple Access
OGC
Open Geospatial Consortium
OGC
Office of General Council
OID
Object Identifier
OIRA
Office of Information and Regulatory Affairs
OLS
Office of Legal Services
OMB
Office of Management and Budget
OMBE
Office of Minority Business Enterprise
OMG
Object Management Group
OMS
Outage Management System
OOIP
Original oil in place
OPEC
Organization of Petroleum Exporting Countries
OpenADR
Open (Standards) Automated Demand Response
OpenAMI
Open Advanced Metering Infrastructure
OpenHAN
Open Home Area Network
OpenRF™
Open Radio Frequency
OpenSG
Open Smart Grid
OPM
Office for Policy and Management
OPS
Optimized Program Service, Inc.
OPUC
Oregon Public Utilties Commission
ORA
Office of Ratepayer Advocates
ORBC
Ohio River Basin Commission
ORBCRE
Ohio River Basin Consortium for Research and Education
ORNL
Oak Ridge National Laboratory
ORP
Oxidation Reduction Potential
ORSANCO
Ohio River Valley Water Sanitation Commission; an interstate compact
ORVSS
Ohio River Valley Soils Seminar
OSB
Oversight Board
OSHA
Occupational Safety and Health Administration (or Act)
OSI
Open Systems Interconnection
OSM
Office of Surface Mining
OSWER
Office of Solid Waste and Emergency Response
OWASP
Open Web Application Security Project
OX
Oxidation
P&S
Plans and Specifications
PAB
Private Activity Bonds
PAP
Priority Action Plan
PAR
Parabolic Aluminized Reflector (Lamps)
PAT
Process Action Team
PBF
Public Benefits Fund
PBL
Power Business Line of BPA
PC
Product Class
PCBs
Polychlorinated Biphenyls
PCI
Per Capita Income
PCMS
Purchase Card Management System
PCS
Permit Compliance System
PDCI
Pacific DC Intertie
PE
Professional Engineer
PE
Professional Evaluation
PEAC
Power Electronic Application Center
PEAR
Planning & Environmental Assessment Report
PEV
Plug-in Electric Vehicles
PG
Professional Geologist
PG&E
Pacific Gas and Electric Company
PGC
Public Goods Charge
PGE
Portland General Electric
PGM
Program Guidance Memorandum
PGP
Public Generating Pool
pH
Acidity / Alkalinity
PHACs
Pharmaceutically Active Compounds
PHC
Pre-Hearing Conference
PHEL
Potential Highly Erodible Land
PHEV
Plug-in Hybrid Electric Vehicle
PI
Phosphorus Index
PIER
Public Interest Energy Research (Program)
PIFUA
Powerplant & Industrial Fuel Use Act
PIX
Public Index System
PJM
Pennsylvania, New Jersey, and Maryland Interconnection
PJM
Pennsylvania-New Jersey-Maryland Interconnection
PL
Public Law (an Act of the U. S. Congress prior to being codified into the United States Code)
PL-566
Small Watershed Program
PLC
Power Line Carrier
PLGR
Precision Lightweight Guidance Receiver
PLMA
Peak Load Management Alliance
PM
Particulate matter
PM
Project Manager
PMA
Power Marketing Administration
PMA
Power Marketing Administration
PMC
Plant Material Center
PMP
Probable maximum precipitation as determined by HMR No. 52 (US Weather Service, 1982)
PMU
Phasor Measurement Unit
PNGC
Pacific Northwest Generating Cooperative
PNM
Public Service Company of New Mexico
PNNL
Pacific Northwest National Lab
PNUCC
Pacific Northwest Utilities Conference Committee
PO
Peak Oil
POD
Point of Discharge
POE
Point of Entry
POI
Point of Interconnection
POI
Personal Office Identifier
POM
Program Operations Memorandum
POS
Plan of Study
Potable
POTS
Plain Old Telephone System
POTW
Publicly Owned Wastewater Treatment Works
POU
Point of Use
PP
Payback Period
PPA
Power Purchase Agreement
ppb
Parts per Billion
PPC
Public Power Council
PPCPs
Pharmeceutical and Personal Care Products
PPHH
Persons Per Household
ppm
Parts per Million
ppmvd
Parts per Million, Dry (by Volume)
PPP
Public Private Partnership
ppt
Parts per Trillion
ppt
Parts per Thousand
PQR
Power Quality and Reliability
PRAS
Partially Recirculating Aquaculture System
PRC
Public Resources Code
PRESS
Peer Research on Ecosystem Services
PRF
Peak Responsibility Factor
PRM
Program Requirements Memorandum
PRMS
Performance Reporting Measurement System
PS
Principal Spillway
PSA
Pressure Swing Adsorption
PSC
Public Service Commission
PSD
Prevention of Significant Deterioration
PSE
Puget Sound Energy
PSERC
Power Systems Engineering Research Center
PSRC
Plumas Sierra Rural Electric Cooperative
PT
Potential Transformer
PTA
Packed Tower Aeration
PTAC
Packaged Terminal AC
PTC
Production Tax Credit
PTHP
Packaged Terminal Heat Pump
PTO
Permit to Operate
PU
Per Unit
PUC
Public Utility Commission
PUE
Power Usage Effectiveness
PURPA
Public Utilities Regulatory Policies Act
PV
Persistent Violator
PV
Photo-Voltaic
PVC
Polyvinyl Chloride
PWS
Public Water Supply
PWSID
Public Water Supply Identification Number
QA/QC
Quality Assurance/Quality Control
QF
Qualifying / Qualified Facility
QFER
Quarterly Fuel and Energy Reports
QoS
Quality of Service
R&D
Research and Development
RACT
Reasonably Available Control Technology
Rainwater
RAP
Regulatory Assistance Project
RAS
Recirculating Aquaculture System
RAS
Remedial Automation Schemes
RASS
Residential Appliance Saturation Survey
RBAC
Role Based Access Control
RBC
Rotating Biological Contactor
RC&D
Resource Conservation and Development
RCC
Roller Compacted Concrete
RCD
Remote connect/disconnect
RCP
Reinforced Concrete Pipe
RCRA
Resource Conservation and Recovery Act
RCWP
Rural Clean Water Program
RD
Rural Development
RD&D
Research, Development, and Demonstration
RDF
Refuse Derived Fuel
RE
Regional Entity
REC
Renewable Energy Certificate
RED
Reverse Electro-Dialysis
REPI
Renewable Energy Production Incentive
REPP
Renewable Energy Policy Project
RETI
Renewable Energy Transmission Initiative
RETO
Reasonably Expected to Occur
RFC
Request For Comments or Remote Feedback Controller or Reliability First Corporation
RFID
Radio Frequency Identification
RFP
Request for Proposal
RFQ
Request for Qualifications
RFS
Renewable Fuel Standards
RGGI
Regional Greenhouse Gas Initiative
RITTA
RCRA Integrated Training and Technical Assistance
RMA
Rocky Mountain Area
RMATS
Rocky Mountain Area Transmission Study
RMI
River Mile Index
RMS
Root Mean Square
RMS
Resource Management System
RMS
Rangeland Management Specialist
RO
Reverse Osmosis
RO
Renewables Obligation
ROA
Return on Assets
ROC
Reactive Organic Compounds
ROC
Report of Conversation
ROG
Reactive Organic Gas
ROLL
Routing over Low power and Lossy networks
ROW
Right-of-Way
RP
Reserves to Production Ratio
RPS
Renewable Portfolio Standards
RRR
Reduce Reuse Recycle
RTO
Regional Transmission Organization
RTP
Real-Time Pricing, Real Time Ratings
RTP
Real-Time Pricing
RTU
Remote Terminal Unit
RUL
Regular Unleaded Gasoline
RUSLE
Revised Universal Soil Loss Equation
RWQCB
Regional Water Quality Control Board
s
Second
SACP
Solar Alternative Compliance Payment
SAIDI
System Average Interruption Duration Index
SAIFI
System Average Interruption Frequency Index
SARA
Superfund Amendments and Reauthorization
SARE
Sustainable Agriculture Research and Education
SB
Senate Bill
SBTAP
Small Business Technical Assistance Program
SCAB
South Coast Air Basin
SCADA
Supervisory Control And Data Acquisition
SCC
Social Cost of Carbon
SCC
Standards Council of Canada
SCC31
Standards Coordinating Committee 31
SCCA
Solar Credit Clearinghouse Auction
SCD
Soil Conservation District
SCE
Southern California Edison Company
SCFM
Standard Cubic Feet Per Minute
SCH
State Clearing House
SCIT
Southern California Import Transmission
SCL
Substation Configuration Language
SCL
Seattle City Light
SCP
Secure Copy Protocol
SCR
Selective Catalytic Reduction
SCTL
Single Circuit Transmission Line
SDO
Standards Development Organization
SDWA
Safe Drinking Water Act
SEA
State / EPA Agreement
SEAC
Strategic Energy Analysis Center
SEC
Securities and Exchange Commission
SECA
Solid State Energy Conversion Alliance
SEEA
Southeast Energy Efficiency Alliance
SEER
Seasonally-adjusted Energy Efficiency Ratio
SEGS
Solar Electric Generating Station
SEIA
Solar Energy Industries Association
SEPA
Southeastern Power Administration
SEPA
Solar Electric Power Association
SEPA
Southeastern Power Administration
SEPCO
Sacramento Ethanol and Power Cogeneration Project
SERC
Southeastern Electric Reliability Council
SERT
State Emergency Response Team
SETAC
Society for Environmental Toxicology and Chemistry
SEWPBA
Southeastern Water Pollution Biologist Association
SF
Sand Filter
SF6
Sulfur Hexafluoride
SGDA
Smart Grid Data Analytics
SHA
Secure Hash Algorithm
SIC
Standard Industrial Classification
SiC
Silicon Carbide
SIP
State Implementation Plan
SIPS
System Integrity Protection Schemes
SIU
Significant Industrial User
SJVAB
San Joaquin Valley Air Basin
SJVAQMD
San Joaquin Valley Air Quality Management District
SMAQMD
Sacramento Metropolitan Air Quality Management District
SMES
Superconducting Magnetic Energy Storage
SMUD
Sacramento Municipal Utility District
SNC
Significant Non-Complier
SNCR
Selective Noncatalytic Reduction
SNG
Synthetic Natural Gas
SNIA
Storage Networking Industry Association
SNL
Sandia National Laboratories
SNMP
Simple Network Management Protocol
SNTP
Simple Network Time Protocol
SO2
Sulfur Dioxide
SO4
Sulfates
SOA
Service-Oriented Architecture
SOAP
Small Operators Assistance Program
SOAP
Simple Object Access Protocol
SOC
Standard Offer Contract
SODAR
Sonic Detection and Ranging
SOFC
Solid Oxide Fuel Cell
SONGS
San Onofre Nuclear Generating Station
SOx
Sulfur Oxides
SP
Special Publication
SPCC
Spill Prevention Control and Counter Measures
SPEAR
State Planning & Environmental Assessment Report
SPP
Southwest Power Pool
SPP
Sierra Pacific Power
SPR
Sierra Pacific Resources
SPR
Strategic Petroleum Reserve
SPS
Storage Portfolio Standard
SPV
Solar Photovoltaic
SRC
State Resource Conservationist
SREC
Solar Renewable Energy Credit
SRF
State Revolving Fund
SRI
Socially Responsible Investing
SRM
Society for Range Management
SRS
Software Requirements Specification
SRT
Solids Retention Time
SS
Suspended Solids
SSES
Sewer System Evaluation Survey
SSH
Secure Shell
SSO
Sanitary System Overflow
SSP
Sector Specific Plan
SSPC
Standing Standard Project Committee
SSURGO
Soil Survey Geographic Data Base
ST
Steam Turbine
STAT
United States Statutes at Large
STATCOM
Static Compensator
STATSGO
State Soil Geographic Data Base
STIG
Steam-Injected Gas Turbine
STORET
Storage and Retrieval
Stormwater
STP
Sewage Treatment Plant
SUO
Sewer Use Ordinance
SVAP
Stream Visual Assessment Protocol
SVC
Static VAR Compensator
SWAPA
Soil Water Air Plants and Animals
SWAPA+H
Soil Water Air Plants Animals and Human
SWCA
Soil and Water Conservation Assistance
SWCD
Soil and Water Conservation District
SWCS
Soil and Water Conservation Society
SWEEP
Southwest Energy Efficiency Project
SWP
State Water Project
SWPA
Southwestern Power Administration
SWRCB
State Water Resources Control Board
T&D
Transmission and Distribution
T&E
Threatened and Endangered Species
T12
T12 Lighting
T8
T8 Lighting
TAC
Technology Advisory Council
TAC
Toxic Air Contaminant
TAN
Total Ammonia Nitrogen
TB
Trillions of Barrels
TB
Terabytes
TBL
Transmission Business Line of BPA
TBL
Triple Bottom Line
TBtu
Trillion BTU
TCAS
Total Cost Accounting System
TCF
Trillion Cubic Feet
TCLP
Toxicity Characteristic Leaching Procedure
TCM
Transportation Control Measure
TCP
Transport Control Protocol
TCR
Total Capital Requirement
TCU
Transportation, Communications and Utilities
TDM
Tariff Data Model
TDS
Total Dissolved Solids
TE
Transmission Engineering
TE-NORM
Technologically Enhanced-Naturally Occurring Radioactive Material
TEOR
Thermally Enhanced Oil Recovery
TEP
Transmission Expansion Plan
TES
Thermal Energy Storage
TF
Trickling Filter
TFTP
Trivial File Transfer Protocol
Therm
1,000 BTU's
THM
Trihalomethane
THP
Thermal Hydrolysis Process
TIE
Toxicity Identification Evaluation
TL
Total Losses
TL
Transmission Lines
TM
Technical Memorandum
TMDL
Total Maximum Daily Load
TMV
Test, Measurement and Verification
TNTC
Too numerous to count
TOC
Total Owning Cost
TOC
Total Organic Carbon
TOD
Total Oxygen Demand
TOG
Total Organic Gases
TOGAF
The Open Group Architecture Framework
TOU
Time-of-Use
TPD
Tons per Day
TPO
Third Party Ownership
TPY
Tons per Year
TRE
Toxicity Reduction Evaluation
TRE
Texas Regional Entity
Trigeneration
TRM
Transmission Reliability Margin
TS&N
Transmission Safety and Nuisance
TSC
Transient Stability Control
TSCA
Toxic Substance Control Act
TSD
Technical Support Document
TSE
Transmission System Engineering
TSIN
Transmission Services Information Network
TSP
Total Suspended Particles
TSP
Technical Service Provider
TSS
Total Suspended Solids
TTHM
Total trihalomethane
TU
Toxicity Units
TVA
Tennessee Valley Authority
TWh
Terawatt-Hours
UACD
Utah Association of Conservation Districts
UAE
United Arab Emirates
UBC
Uniform Building Code
UCA
Utility Communications Architecture
UCC
Uniform Commercial Code
UCLA WIN SmartGrid
University of California Los Angeles Wireless Internet SmartGrid
UCS/O
User Charge System / Ordinance
UCTE
Union for the Co-ordination of Transmission of Electricity
UDAG
Urban Develop Action Grant
UDC
Utility Displacement Credits
UDF
Utility Displacement Factor
UDM
Utility Distribution Microgrids
UEC
Unit of Energy Consumption (Average, End Use)
UEG
Utility Electric Generator
UG
Users Group
UIC
Underground Injection Control
UID
User ID
UID
User Interface Device
UID
Unique Identification Device
UI-WG
Utility Integration Working Group
UKERC
UK Energy Research Centre
UL
Underwriters Laboratories®
ULSD
Ultra-low Sulfur Diesel
UML
Unified Modeling Language
UMTS
Universal Mobile Telecommunications System
UPLC
United Power Line Council
UPN
Utility Planning Network
UPS
Uninterruptible Power Supply
URR
Ultimately Recoverable Resources
USACE
US Army Corps of Engineers
USB
Utilities Standards Board
USC
United States Code
USCAP
US Climate Action Partnership
USCG
US Coast Guard
USCHPA
United States Clean Heat & Power Association
USCOE
US Corps of Engineers
USDA
US Department of Agriculture
USEA
United States Energy Association
USFDA
US Food and Drug Administration
USFS
US Forest Service
USFW
US Fish and Wildlife Service
USGBC
US Green Building Council
USGS
US Geological Survey
UST
Underground Storage Tank
UTC
Utilities Telecom Council
UV
Ultraviolet
UVA
Ultraviolet A
UVB
Ultraviolet B
UVC
Ultraviolet C
UVt
Ultraviolet Transmission
UWIG
Utility Wind Integration Group
V
Volts
V2G
Vehicle To Grid
VA
Volt-ampere
VAR
Volt Ampere Reactive
VAWT
Vertical Axis Wind Turbine
VCAPCD
Ventura County Air Pollution Control District
VCP
Vitrified clay pipe
VE
Value engineering
VIS
Visible
VMT
Vehicle miles traveled
VOC
Volatile Organic Compounds
VRB
Vanadium Redox Battery
VSA
Vacuum Swing Adsorption
VSA
Virtual Service Aggregators
VSS
Volatile Suspended Solids
VUV
Vacuum Ultraviolet
VVWC
Voltage, Var, and Watt Control
W
Watt
W3C
World Wide Web Consortium
WAA
Warren-Alquist Act
WADE
World Alliance for Decentralized Energy
WAMS
Wide-Area Measurement System
WAN
Wide Area Network
WAPA
Western Area Power Administration
WASA
Wide Area Situational Awareness
WB
Wildlife Biologist
WBE
Women's Business Enterprise
WBP
Water Bank Program
WC
Wetlands Conservation
WCI
Western Climate Initiative
WDF&
WWashington Department of Fish & Wildlife
WebTCAS
Web-Based Total Cost Accounting System
WEC
World Energy Council
WECC
Western Electricity Coordinating Council
WEF
Water Environment Federation
WEFSEC
Washington Energy Facility Site Evaluation Committee
WEPEX
Western Energy Power Exchange
WEPP
Water Erosion Prediction Project
WEQ
Wind Erosion Equation
WGA
Western Governors’ Association
Wh
Watt-hour
WHDP
Wildlife Habitat Development Plan
WHIP
Wildlife Habitat Incentives Program
WHPA
Wellhead Protection Area
WHPP
Wellhead Protection Program
WICF
Western Interconnection Coordination Forum
WIEB
Western Interstate Energy Board
WiFi
Wireless Fidelity
WiMAX
Worldwide Interoperability for Microwave Access
WindPACT
Wind Partnerships for Advanced Component Technology
WinDS
Wind Energy Deployment System Model
WINMEC
Wireless Internet for the Mobile Enterprise Consortium
WLA
Waste Load Allocation
WLA
Workload Analysis
WOEC
West Oregon Electric Cooperative
WOR
West of River (Colorado River)
WPAG
Western Public Agency Group
WPAN™
Wireless Personal Area Network
WPPSS
Washington Public Power Supply System
WPUDA
Washington Public Utility District's Association
WQ
Water Quality Branch
WQAB
Water Quality Advisory Board
WQIP
Water Quality Incentive Program
WQL
Water Quality Limited
WQM
Water Quality Management
WR
Water Resources Branch
WRAS
Watershed Restoration Action Strategies
WRC
Water Resources Council
WRCAI
Western Regional Climate Action Initiative
WRDA
Water Research Development Act
WRECA
Washington Rural Electric Cooperative Association
WRP
Wetlands Reserve Program
WRPA
Water Resources Planning Act
WRRI
Water Resources Research Institute
WRTA
Western Region Transmission Association
WSCC
Western Systems Coordinating Council
WSN
Wireless Sensor Networks
WSPP
Western System Power Pool
WTB
Wireless Telecommunications Bureau
WTG
Wind Turbine Generator
WTI
West Texas Intermediate
WTP
Water Treatment Plant
WUTC
Washington Utilties & Transportation Commission
WW
Worldwide
WWG
Wildlife Workgroup
WWTP
Wastewater Treatment Plant
XML
Extensible Markup Language
XMPP
Extensible Messaging and Presence Protocol
XSF
XMPP Standards Foundation
XUV
Soft X-rays
ZBB
Zinc Bromide Battery