Energy Terms by Name
Below you will find Energy Terms by Name. For your convenience the list is provided in alphabetical order.
- (U.s.) Department Of Energy (Us Doe)
- * Bench Sample
- * Column Sample
- * Commercial
- * Composite Sample
- * East North Central
- * East South Central
- * Eastern
- * Eastern Region. Consists Of The Appalachian Coal Basin. The Following Comprise The Eastern Region
- * Estimated Additional Resources (EAR)
- * Face Channel Or Channel Sample
- * Middle Atlantic
- * Midgrade Gasoline
- * Midwest
- * Midwest Region. Consists Of The Illinois And Michigan Coal Basins. The Following Comprise The Midwest Region
- * Military
- * Mountain
- * New England
- * Northeast
- * Northern
- * Pacific
- * PADD IA (New England)
- * PADD IB (Central Atlantic)
- * PADD IC (Lower Atlantic)
- * Premium Gasoline
- * Reasonably Assured Resources (RAR)
- * Regular Gasoline
- * South
- * South Atlantic
- * Southern
- * Speculative Resources (SR)
- * West
- * West North Central
- * West South Central
- * Western
- * Western Region. Consists Of The Northern Rocky, Southern Rocky, West Coast Coal Basins And Western Interior. The Following Com
- >Ethanol (CH3-CH2OH)
- Absorptance
- ACBM
- Access Charge
- Accommodation Platform/Rig
- Account Classification
- Account Of Others (natural Gas)
- Accounting System
- Acid Mine Drainage
- Acid Rain
- Acop (Adjusted Coefficient Of Performance)
- Acquisition (foreign Crude Oil)
- Acquisition (minerals)
- Acquisition Costs, Mineral Rights
- Acre-foot
- Acreage
- Activation Energy
- Active Heating System
- Active Power
- Active Solar
- Active Solar Energy
- Active Solar Energy System
- Actual Peak Reduction
- Addition
- Additive
- Adjustable Speed Drives
- Adjusted Electricity
- Adjustment Bid
- Administrative And General Expenses
- Advance Royalty
- Advances From Municipality
- Advances To Municipality
- Adverse Hydro
- Adverse Water Conditions
- Affiliate
- Afforestation
- AfterÐmarket
- Aftermarket Converted Vehicle
- Aftermarket Vehicle Converter
- Afue (Annual Fuel Utilization Efficiency)
- Agglomerating Character
- Aggregate Ratio
- Aggregator
- Agriculture
- Agriculture, Mining, And Construction (consumer Category)
- Air Change
- Air Cleaner
- Air Collector
- Air Conditioner
- Air Conditioning
- Air Conditioning Intensity
- Air Drilling
- Air Film
- Air Film Coefficient
- Air Injection
- Air Lift
- Air Pollution
- Air Pollution Abatement Equipment
- Air-Conditioning
- Air-Conditioning Equipment
- Air-to-air Heat Exchanger
- Alcohol
- Alcohol Fuels
- Alkylate
- Alkylation
- All-electric Home
- Alloy
- Alteration
- Alternate Energy Source For Primary Heater
- Alternating Current
- Alternating Current (AC)
- Alternative (Transportation) Fuels
- Alternative Energy Sources
- Alternative Fuel
- Alternative Fuel Vehicle (Afv)
- Alternative Fuel Vehicle Converter
- Alternative-fuel Vehicle (AFV)
- Alternative-rate DSM Program Assistance
- Ambient
- Ambient Air Temperature
- Amorphous Silicon
- Amortization
- Ampere
- Ampere (Amp)
- Ancillary Services
- Angle Of Incidence
- Animal Waste Conversion
- Annual Maximum Demand
- Annual Operating Factor
- Annual Requirement
- Annulus
- Ansi
- ANSI Assembly Identifier
- Anthracite
- Anthropogenic
- API
- API Gravity
- Apparent Consumption, (coal)
- Apparent Consumption, Natural Gas (international)
- Apparent Consumption, Petroleum (international)
- Apparent Power
- Appliance
- Appliance Efficiency Index
- Appliance Efficiency Standards
- Appliance Saturation
- Applicant
- Application
- Appraisal Drilling
- Appraisal Well
- Arctic National Wildlife Refuge (ANWR)
- ARDS
- Area Load
- Aromatics
- Artificial Drives
- Artificial Lift
- As Received Coal
- Asbestos
- Ash
- Ashrae
- Asphalt
- Asphalt (refined)
- Assembly Identifier
- Assembly Type
- Assessment Work
- Assistance For Heating In Winter
- Assistance For Weatherization Of Residence
- Associated Gas
- Associated Liquids
- Associated Natural Gas
- Associated-dissolved Natural Gas
- ASTM
- At Wt
- Atgas
- Atmospheric Crude Oil Distillation
- Atom
- Atomic Energy Commission
- Atomic Nucleus
- Atomic Structure
- Auger Mine
- Authorized Cash Distribution To Municipality
- Automatic Set-back Or Clock Thermostat
- Automobile And Truck Classifications
- Auxiliary Energy Subsystem
- Auxiliary Equipment
- Auxiliary Generator
- Available But Not Needed Capability
- Average
- Average Cost
- Average Daily Production
- Average Delivered Price
- Average Demand
- Average Household Energy Expenditures
- Average Hydro
- Average Mine Price
- Average Production Per Miner Per Day
- Average Production Per Miner Per Hour
- Average Revenue Per Kilowatthour
- Average Stream Flow
- Average Vehicle Fuel Consumption
- Average Vehicle Miles Traveled
- Average Water Conditions
- Aviation Gasoline
- Aviation Gasoline (finished)
- Aviation Gasoline Blending Components
- Avoided Cost
- Azimuth
- Backup Fuel
- Backup Generator
- Backup Power
- Balanced Schedule
- Balancing Item
- Ballast
- Barge
- Barrel
- Barrel Of Oil Equivalent (BOE)
- Barrels Per Calendar Day
- Barrels Per Day Equivalent (Bpd-equivalent)
- Barrels Per Stream Day
- Base (cushion) Gas
- Base Bill
- Base Load
- Base Load Capacity
- Base Load Plant
- Base Load Unit
- Base Period
- Base Rate
- Base-load Plant
- Baseboard Heater
- Baseline Forecast
- Basement Rock
- Battery
- Bbl
- Bbl/d
- Bbl/sd
- Bcf
- Bedrock
- Benzene
- Benzene (C6H6)
- Bgp
- Bi-fuel Vehicle
- Bi-gas
- Bid Rigging
- Biennial Report
- Bilateral Agreement
- Bilateral Contract
- Bilateral Electricity Contract
- Billing Period
- Bioconversion
- Biodiesel
- Biofuels
- Biomass
- Biomass Gas
- Bioreactor
- Biosphere
- Bitumen
- Bituminous Coal
- Black Liquor
- Black Lung Benefits
- Blackout
- Blast Furnace
- Blast-furnace Gas
- Blending
- Blending Components
- Blending Plant
- Block
- Block Leases
- Block Number
- Block-rate Structure
- Blow Molding
- BLS
- BOE
- Boiler
- Boiler Fuel
- Boiling Water Reactor
- Boiling-water Reactor (BWR)
- Bonded Petroleum Imports
- Bone Coal
- Book Value
- Booked Costs
- Booster
- BOPD/BPD
- Borderline Customer
- Bottled Gas
- Bottled Gas, LPG, Or Propane
- Bottom Ash
- Bottom Out
- Bottom-hole Assembly
- Bottom-hole Contribution
- Bottoming Cycle
- Bottoms
- Bp
- Bpa
- Branded Product
- Break-even Cutoff Grade
- Breccia
- Breeder
- Breeder Reactor
- Breeze
- British Thermal Unit
- British Thermal Unit (Btu)
- Broker
- Brownout
- Btu
- Btu Conversion Factors
- Btu Per Cubic Foot
- BTX
- Budget Plan
- Building Energy Efficiency Standards
- Building Envelope
- Building Shell (envelope) DSM Program
- Building Shell Conservation Feature
- Built-in Electric Units
- Bulk Power Supply
- Bulk Power Transactions
- Bulk Sales
- Bulk Station
- Bulk Terminal
- Bundled Utility Service (electric)
- Bunker C Fuel Oil
- Bunker Fuels
- Burn Days
- Burnup
- Bus
- Busbar
- Butadiene
- Butane
- Butane (C4H10)
- Butylene (C4H8)
- Buy Through
- Buy-back Oil
- Buyer
- By-product
- Bypass
- Bypassed Footage
- Byproduct
- C-store
- C4H
- Calcination
- Calcium Sulfate
- Calcium Sulfite
- California Power Exchange
- California Public Utilities Commission (CPUC)
- Call-back
- Calorie
- Calorie (Energy Calorie
- Canadian Deuterium Uranium Reactor (CANDU)
- Cannel Coal
- Cap Rock
- Capable Of Being Fueled
- Capacity
- Capacity (purchased)
- Capacity Charge
- Capacity Factor
- Capacity Release
- Capacity Transaction
- Capacity Utilization
- Capillaries
- Capital Cost
- Capital Stock
- Capping
- Captive Coal
- Captive Customer
- Captive Refinery MTBE Plants
- Captive Refinery Oxygenate Plants
- Carbon
- Carbon Black
- Carbon Budget
- Carbon Cycle
- Carbon Dioxide
- Carbon Dioxide (CO2)
- Carbon Dioxide Equivalent
- Carbon Flux
- Carbon Intensity
- Carbon Monoxide (Co)
- Carbon Output Rate
- Carbon Sequestration
- Carbon Sink
- Carburetor
- Carcinogens
- Carrying Costs
- Cash And Carry
- Casing
- Casing Perforation
- Casing Seat
- Casinghead
- Casinghead Gas
- Casinghead Gas (or Oil Well Gas)
- Casinghead Gasoline
- Cast Silicon
- Catalyst
- Catalyst Coke
- Catalytic Converter
- Catalytic Cracking
- Catalytic Hydrocracking
- Catalytic Hydrotreating
- Catalytic Reforming
- Caulking
- Ccr
- CDD
- Cells
- Cells To OEM (non-PV)
- Celsius
- Cementing
- Census Division
- Census Region
- Census Region/division
- Central Chiller
- Central Cooling
- Central Physical Plant
- Central Warm Air Furnace
- Centralized Water Heating System
- Certificate
- Certificate Requirement
- Certification
- Cesspool
- CFC
- Cfcs (Chlorofluorocarbons Or Chlorinated Fluorocarbons)
- Cfm (Cubic Feet Per Minute)
- Cfs
- Chain Reaction
- Chained Dollars
- Characterization
- Charge Capacity
- Chemical Energy
- Chemical Separation
- Chiller
- Chlorofluorocarbon (CFC)
- Choke
- Christmas Tree
- CIF (cargo, Insurance And Freight)
- CIF (cost, Insurance, Freight)
- Circuit
- Circuit(s)
- Circuit-mile
- Circulation
- Citygate
- Class Rate Schedule
- Classes Of Service
- Clean Circulation
- Clean Coal Technology
- Clean Development Mechanism (CDM)
- Clean Fuel Vehicle
- Clerestory
- Climate Change
- Climate Zone
- Clinker
- Closed-in
- Cloud Condensation Nuclei
- Clunkers
- CO Control Period ("seasons")
- CO Nonattainment Area
- Co-generation
- Co-op
- Co-venturer
- Coal
- Coal Analysis
- Coal Bed
- Coal Bed Degasification
- Coal Bed Methane
- Coal Briquets
- Coal Carbonized
- Coal Chemicals
- Coal Coke
- Coal Consumption
- Coal Conversion
- Coal Delivered
- Coal Exports
- Coal Face
- Coal Financial Reporting Regions
- Coal Fines
- Coal Gas
- Coal Gasification
- Coal Grade
- Coal Imports
- Coal Liquefaction
- Coal Mining Productivity
- Coal Oil
- Coal Preparation
- Coal Producing Districts
- Coal Production
- Coal Rank
- Coal Sampling
- Coal Seam
- Coal Slurry Pipeline
- Coal Stocks
- Coal Sulfur
- Coal Synfuel
- Coal Type
- Coal Zone
- Coal-Fired Power Plant
- Coalbed Methane
- Code Of Federal Regulations
- Cofiring
- Cogeneration
- Cogeneration System
- Cogenerator
- Coincidental Demand
- Coincidental Peak Load
- Coke
- Coke (coal)
- Coke (petroleum)
- Coke Breeze
- Coke Button
- Coke Oven Gas
- Coke Plants
- Coking
- Coking Coal
- Cold-deck Imputation
- Collector Field
- Combined Cycle
- Combined Cycle Plant
- Combined Cycle Unit
- Combined Heat And Power (CHP) Plant
- Combined Household Energy Expenditures
- Combined Hydroelectric Plant
- Combined Hydronic Space/Water Heating
- Combined Pumped-storage Plant
- Combustion
- Combustion Burning
- Combustion Chamber
- Combustion Turbine
- Comfort Conditioning
- Comfort Zone
- Commercial Building
- Commercial Facility
- Commercial Field
- Commercial Operation (nuclear)
- Commercial Sector
- Commercial Sector (of Economy)
- Commercialization
- Commingling
- Commissioned Agent
- Common Equity (book Value)
- Compact Fluorescent Bulbs
- Company
- Company Automotive (retail) Outlet
- Company Outlet
- Company-lessee Automotive Outlet
- Company-open Automotive Outlet
- Company-operated Automotive Outlet
- Company-operated Outlet
- Company-operated Retail Outlet
- Competitive Transition Charge
- Competitive Transmission Charge
- Completing A Well
- Completion (oil/gas Production)
- Completion Date (oil/gas Production)
- Compliance Coal
- Compressed Natural Gas (Cng)
- Compressor Station
- Concentrating Solar Power Or Solar Thermal Power System
- Concentrator
- Concession
- Concessionary Purchases
- Condensate
- Condensate (lease Condensate)
- Condenser
- Condenser Cooling Water
- Conditional Energy Intensity
- Conditionally Effective Rates
- Conditioned Floor Area
- Conditioned Space
- Conditioned Space, Directly
- Conditioned Space, Indirectly
- Conductance
- Conduction
- Conductivity (K)
- Conductor
- Conference Of The Parties (COP)
- Configuration Maps
- Congestion
- Congestion Management
- Connected Load
- Connection
- Conservation
- Conservation And Other DSM
- Conservation Feature
- Conservation Program
- Consolidated Entity
- Consolidated Metropolitan Statistical Area (CMSA)
- Consortium
- Construction
- Construction Costs (of The Electric Power Industry)
- Construction Expenditures (of The Electric Power Industry)
- Construction Pipeline (of A Nuclear Reactor)
- Construction Work In Progress (CWIP)
- Constructive Surplus Or Deficit
- Consumer (energy)
- Consumer Charge
- Consumer Price Index (CPI)
- Consumption
- Consumption Per Square Foot
- Continental Shelf
- Contingency Planning
- Continuous Delivery Energy Sources
- Continuous Mining
- Contract Path
- Contract Price
- Contract Receipts
- Contracted Gas
- Contracts For Differences (Cfd)
- Contribution To Net Income
- Control
- Control Area
- Control Total
- Convection
- Conventional Gas
- Conventional Gasoline
- Conventional Hydroelectric Plant
- Conventional Mill (uranium)
- Conventional Mining
- Conventional Thermal Electricity Generation
- Conventionally Fueled Vehicle
- Conversion
- Conversion Company
- Conversion Factor
- Conversion Factors
- Conversion Fuel Factor
- Converted (alternative-fuel) Vehicle
- Converted Vehicle
- Converter
- Cooling
- Cooling Capacity, Latent
- Cooling Capacity, Sensible
- Cooling Capacity, Total
- Cooling Degree Day
- Cooling Degree-days
- Cooling Load
- Cooling Load Temperature Difference (Cltd)
- Cooling Pond
- Cooling System
- Cooling Tower
- Cooperative (Electric Utility)
- Cooperative Electric Utility
- Coordination Service
- Coordination Service Pricing
- Cop (Coefficient Of Performance)
- Copolymer
- Cord
- Cord Of Wood
- Corporate Average Fuel Economy (Cafe)
- Correlation (statistical Term)
- Cost Model For Undiscovered Resources
- Cost Of Capital
- Cost Of Debt
- Cost Of Preferred Stock
- Cost Of Retained Earnings
- Cost Of Service
- Cost, Insurance, Freight (CIF)
- Cost-of-service Regulation
- Costs (imports Of Natural Gas)
- Cracking
- Criteria Pollutant
- Crop Residue
- Crude Oil
- Crude Oil Acquisitions (unfinished Oil Acquisitions)
- Crude Oil F.o.b. Price
- Crude Oil Input
- Crude Oil Landed Cost
- Crude Oil Less Lease Condensate
- Crude Oil Losses
- Crude Oil Production
- Crude Oil Qualities
- Crude Oil Refinery Input
- Crude Oil Stocks
- Crude Oil Used Directly
- Crude Oil, Refinery Receipts
- Crystalline Fully Refined Wax
- Crystalline Other Wax
- Cubic Foot
- Cubic Foot (cf), Natural Gas
- Cull Wood
- Culm
- Cultivar
- Cumulative Depletion
- Current (electric)
- Current Assets
- Current Liabilities
- Current Ratio
- Customer Choice
- Customs District (coal)
- Cut-off Grade (uranium)
- Cycle
- Cycle/reactor History
- Cycling (natural Gas)
- Cyclohexane
- Dam
- Day-ahead And Hour-ahead Markets
- Day-ahead Market
- Day-ahead Schedule
- Daylighting
- Daylighting Control
- Daylighting Controls
- Deadweight Tons
- Dealer Tank Wagon (DTW) Sales
- Debottlenecking
- Decatherm
- Decommission
- Decommissioning
- Decontamination
- Dedicated Reserves
- Dedicated Vehicle
- Deep Mining
- Deep-Water Discovery
- Deepest Total Depth
- Deferred Cost
- Deferred Fuel Costs
- Deferred Income Tax (liability)
- Deforestation
- Deforestation:
- Degasification System
- Degree Day
- Deintegration
- Delayed Coking
- Delineation Well
- Deliverability
- Delivered (gas)
- Delivered Cost
- Delivered Energy
- Deliveries (electric)
- Delta
- Demand
- Demand (Utility)
- Demand Bid
- Demand Billing
- Demand Charge
- Demand Charge Credit
- Demand Indicator
- Demand Interval
- Demand Side Management (Dsm)
- Demand Site Management
- Demand-metered
- Demand-side Management (DSM)
- Demand-side Management Costs
- Demonstrated Reserve Base (coal)
- Demonstrated Reserves
- Demonstrated Resources
- Demonstration
- Demonstration And Test Vehicles
- Demurrage
- Density
- Dependable Capacity
- Depletable Energy Sources
- Depleted Resources
- Depleted Storage Field
- Depletion (coal)
- Depletion Allowance
- Depletion Factor
- Depreciation
- Depreciation And Amortization Of Property, Plant, And Equipment
- Depth Of Deepest Production
- Deregulation
- Derivative
- Derivatives
- Derrick
- Design Electrical Rating (capacity) Net
- Design Head
- Desulfurization
- Development
- Development Costs
- Development Drilling
- Development Well
- Deviated Well
- Diesel Fuel
- Diesel Fuel System
- Diesel Oil
- Diesel-electric Plant
- Diffuse Radiation
- Diffusive Transport
- Direct Access
- Direct Control Load Management
- Direct Current
- Direct Current (Dc)
- Direct Electricity Load Control
- Direct Energy Conversion
- Direct Expansion
- Direct Labor Hours
- Direct Load Control
- Direct Milling Cost
- Direct Mining Cost
- Direct Nonprocess End Use
- Direct Process End Use
- Direct Radiation
- Direct Solar Gain
- Direct Use
- Direct Utility Cost
- Directional (deviated) Well
- Directional Drilling
- Directly Conditioned Space
- Disaggregation
- Discharged Fuel
- Discovery Well
- Discrete-delivery Energy Sources
- Dispatch
- Dispatching
- Disposition, Natural Gas
- Disposition, Petroleum
- Dissolved Gas
- Distillate Fuel Oil
- Distillates
- Distillation
- Distillation Unit (atmospheric)
- Distributed Energy
- Distributed Generation
- Distribution
- Distribution System (Electric Utility)
- Distribution Utility (Disco)
- Divestiture
- DOE
- Dose
- Double Glazing
- Downhole
- Downhole Safety Valve
- Downstream
- Drill Bit
- Drill Collars
- Drill String
- Drilling
- Drilling Mud
- Drilling Platform
- Drilling Rig
- Drilling Table
- Drillship
- Dry Bulb Temperature
- Dry Gas
- Dry Hole
- Dry Steam
- Dual Completion
- Dual Discovery
- Dual-duct System
- Dual-fuel Or Bi-fuel Vehicle
- Dual-paned (Double-glazed)
- Duct
- Dump
- Dynamo
- E85
- E95
- Ecology
- Economic Efficiency
- Economies Of Sale
- Economizer Air
- Economizer Water
- Economy Energy (Electricity Utility)
- Economy Of Scale
- Ecosystem
- Edison, Thomas Alva
- Eei
- Eer
- Eer (Energy Efficiency Ratio)
- Effective Full-power Days
- Efficacy, Lighting
- Efficiency
- Effluent
- EIA
- Elcon
- Electric Baseboard
- Electric Company
- Electric Current
- Electric Energy
- Electric Expenses
- Electric Generation
- Electric Generation Industry
- Electric Generator
- Electric Hybrid Vehicle
- Electric Industry Reregulation
- Electric Industry Restructuring
- Electric Motor
- Electric Motor Vehicle
- Electric Operating Expenses
- Electric Plant (physical)
- Electric Plant Acquisition Adjustment
- Electric Power
- Electric Power Grid
- Electric Power Plant
- Electric Power Sector
- Electric Power System
- Electric Pump For Well Water
- Electric Radiant Heating
- Electric Rate
- Electric Rate Schedule
- Electric Resistance Heater
- Electric System Loss
- Electric System Reliability
- Electric Utility
- Electric Utility Company
- Electric Utility Divestiture
- Electric Utility Restructuring
- Electric Utility Sector
- Electric Zone
- Electrical Energy
- Electrical System Energy Losses
- Electricity
- Electricity Broker
- Electricity Congestion
- Electricity Demand
- Electricity Demand Bid
- Electricity Generation
- Electricity Generation, Gross
- Electricity Generation, Net
- Electricity Only Plant
- Electricity Paid By Household
- Electricity Sales
- Electricity Supplier
- Electrochemical Process
- Electrochemistry
- Electrolysis
- Electromagnetic
- Electromagnetic Energy
- Electromagnetic Fields (Emf)
- Electromagnetic Waves
- Electron
- Element
- Elevation
- Elution
- Embedded Costs Exceeding Market Prices (Ecemp)
- Emergency
- Emergency Backup Generation
- Emergency Core Cooling System (Eccs)
- Emergency Energy
- Emission
- Emission Standard
- Emissions
- Emissions Coefficient
- Emissivity
- Emittance
- EmTRAC
- End User
- Ending Stocks
- Energy
- Energy Assistance Program
- Energy Audit
- Energy Broker System
- Energy Budget
- Energy Charge
- Energy Conservation Features
- Energy Consumption
- Energy Deliveries
- Energy Demand
- Energy Effects
- Energy Efficiency
- Energy Efficiency Ratio (Eer)
- Energy Efficiency, Electricity
- Energy Efficient Motors
- Energy Exchange
- Energy Expenditures
- Energy Information
- Energy Information Administration (EIA)
- Energy Intensity (Commercial Buildings Energy Consumption Survey)
- Energy Loss
- Energy Loss (power)
- Energy Management And Control System (EMCS)
- Energy Management Practices
- Energy Management System
- Energy Production
- Energy Receipts
- Energy Reserves
- Energy Resources
- Energy Resources Program Account (Erpa)
- Energy Sale(s)
- Energy Savings
- Energy Security/Fuel Security
- Energy Service Provider
- Energy Source
- Energy Star®
- Energy Supplier
- Energy Supply
- Energy Used In The Home
- Energy-use Sectors
- Energy-weighted Industrial Output
- Energy/Fuel Diversity
- Engine Size
- Enhanced Oil Recovery
- Enriched Uranium
- Enrichment Feed Deliveries
- Enrichment Tails Assay
- Enthalpy
- Entitlement
- Environmental Impact Statement
- Environmental Protection Agency (Epa)
- Environmental Protection Agency (EPA) Certification Files
- Environmental Restoration
- Environmental Restrictions
- Epa
- EPA Certification
- EPA Composite MPG
- Epact
- Equilibrium Cycle
- Equity (financial)
- Equity Capital
- Equity Crude Oil
- Equity In Earnings Of Unconsolidated Affiliates
- Esco
- Establishment
- Estimated Additional Resources (EAR)
- ETBE (ethyl Tertiary Butyl Ether)
- Ethane (C2H6)
- Ethanol
- Ethanol (Also Know As Ethyl Alcohol Or Grain Alcohol, Ch3ch2oh)
- Ether
- Ethyl Tertiary Butyl Ether (Etbe)
- Ethylene
- Ethylene Dichloride
- Ev (Electric Vehicle)
- Evacuated-tube Collector
- Evaporation Pond
- Evaporative Cooler (swamp Cooler)
- Evaporative Cooling
- Exceptional Method
- Excess Statutory Depletion
- Exchange
- Exchange (Electric Utility)
- Exchange Agreement
- Exchange Energy
- Exchange, Electricity
- Exchange, Natural Gas
- Exchange, Petroleum
- Exchange, Power
- Executive Order Number 6
- Exempt Wholesale Generator (Ewg)
- Exempt Wholesale Generator(Ewg)
- Exfiltration
- Exhaust
- Exhaust Fan
- Expenditure
- Expenditures Per Million Btu
- Expenditures Per Square Foot
- Exploration Drilling
- Exploration License
- Exploration Phase
- Exploration Rig
- Exploratory Well
- Exports
- Exports (Electric Utility)
- Extensions
- Extensions, Discoveries, And Other Additions
- Externalities
- Extra High Voltage (Ehv)
- Extraction Loss
- Extractive Industries
- Extraordinary Income Deductions (electric Utility)
- F.a.s.
- F.a.s. Value
- F.o.b. Price
- F.o.b. Value (coal)
- Fabricated Fuel
- Facilities Charge
- Facility
- Fahrenheit
- Failure Or Hazard
- Fan Coil
- Farm Out (in) Arrangement
- Farm Use
- Fast Breeder Reactor (FBR)
- Federal Coal Lease
- Federal Electric Utility
- Federal Emergency Management Agency (Fema)
- Federal Energy Management Program (FEMP)
- Federal Energy Regulatory Commission (Ferc)
- Federal Power Act
- Federal Power Commission (FPC)
- Federal Region
- Fee Interest
- Feeder Line
- Feedstock
- Fenestration
- FERC
- FERC Guidelines
- Fertile Material
- Field
- Field Area
- Field Discovery Year
- Field Potential
- Field Production
- Field Separation Facility
- Filament
- File Rate Schedule
- Filing
- Final Order
- Financial Accounting Standards Board (FASB)
- Finished Leaded Gasoline
- Finished Motor Gasoline
- Finished Unleaded Gasoline
- Firm
- Firm Energy
- Firm Power
- First Purchase (of Crude Oil)
- First Purchase Price
- Fiscal Year
- Fissile Material
- Fission
- Fissionable Material
- Fixed Asset Turnover
- Fixed Assets
- Fixed Carbon
- Fixed Charge Coverage
- Fixed Cost (expense)
- Fixed Operating Costs
- Flare
- Flare Gas
- Flare Stack
- Flared
- Flared Natural Gas
- Flat And Meter Rate Schedule
- Flat Demand Rate Schedule
- Flat Plate
- Flat Plate Pumped
- Flat-Plate Solar Connector
- Fleet Vehicle
- Flexible Fuel Vehicle
- Flexible Fuel Vehicle (Ffv)
- Flexicoking
- Floor (coal)
- Floor Price
- Floor Space
- Floor, Wall, Or Pipeless Furnace
- Flow
- Flow Control
- Flue
- Flue Gas
- Flue Gas Desulfurization
- Flue-gas Desulfurization Unit (scrubber)
- Flue-gas Particulate Collector
- Fluid Catalytic Cracking
- Fluid Coking
- Fluidized Bed Combustion
- Fluidized-bed Combustion
- Fluorescent Lamp
- Fluorescent Light Bulbs
- Fluorescent Lighting Other Than Compact Fluorescent Bulbs
- Fluorocarbon Gases
- Flux Material
- Fly Ash
- FME
- Footage Drilled
- Footcandle
- Force
- Forced Air Unit (Fau)
- Forced Outage
- Foreign Access
- Foreign Currency Transaction Gains And Losses
- Foreign Currency Translation Effects
- Foreign Operations
- Foreign-controlled Firms (coal)
- Forward Cost (1)
- Forward Cost (2)
- Forward Costs (uranium)
- Forward Coverage
- Fossil Fuel
- Fossil Fuel Plant
- Fossil Fuel Steam-electric Power Plant
- Fossil Fuels
- Fossil-fuel Electric Generation
- Foundry
- Foundry Coke
- FPSO
- Fractional Distillation
- Fractionating Column
- Fractionation
- Framework Convention On Climate Change (FCCC)
- Framing Effects
- Framing Percentage
- Free Alongside Ship (f.a.s.)
- Free On Board (f.o.b.)
- Free Well
- Frequency
- Fresh Feed Input
- Fresh Feeds
- FRS
- Fuel
- Fuel Cell
- Fuel Cells
- Fuel Cycle
- Fuel Efficiency
- Fuel Emergencies
- Fuel Ethanol (C2H5OH)
- Fuel Expenses
- Fuel Gas
- Fuel Injection
- Fuel Oil
- Fuel Oil Supplier
- Fuel Oils
- Fuel Purchase Agreement
- Fuel Ratio
- Fuel Reprocessing (Nuclear)
- Fuel Rod (Nuclear)
- Fuel Security
- Fuel Switching Capability
- Fuel Wood
- Fuel-switching DSM Program Assistance
- Fuel/fabricator Assembly Identifier
- Fuels Solvent Deasphalting
- Fugitive Emissions
- Full Forced Outage
- Full Power Day
- Full Power Operation
- Full Requirements Consumer
- Fumarole
- Furnace
- Furnace Coke Plant
- Furnaces That Heat Directly, Without Using Steam Or Hot Water (similar To A Residential Furnace)
- Fusion
- Fusion Energy
- Futures Market
- GAAP
- Gallon
- Gas
- Gas Cooled Fast Breeder Reactor (GCFB)
- Gas Field
- Gas Injection
- Gas Oil
- Gas Plant Operator
- Gas Processing Unit
- Gas Synthesis
- Gas To Liquids (GTL)
- Gas Turbine Plant
- Gas Utility
- Gas Well
- Gas Well Productivity
- Gasification
- Gasohol
- Gasoline
- Gasoline Blending Components
- Gasoline Grades
- Gasoline Motor, (leaded)
- Gasoline Motor, (unleaded)
- Gate Station
- Gatherer
- Gathering Lines, Systems
- General Lighting
- Generally Accepted Accounting Principles (GAAP)
- Generating Capacity
- Generating Facility
- Generating Station
- Generating Unit
- Generation
- Generation Company
- Generation Company (Genco)
- Generation Dispatch And Control
- Generator
- Generator Capacity
- Generator Nameplate Capacity (installed)
- Geologic Assurance
- Geologic Considerations
- Geological And Geophysical (G&G) Costs
- Geological Repository
- Geopressured
- Geothermal Element
- Geothermal Energy
- Geothermal Gradient
- Geothermal Plant
- Geothermal Steam
- Geyser
- Giga
- Gigawatt (Gw)
- Gigawatt-electric (GWe)
- Gigawatt-hour (Gwh)
- Gigawatthour (GWh)
- Gilsonite
- Glazing
- Global Climate Change
- Global Warming
- Global Warming Potential (GWP)
- Go-devil
- Government-owned Stocks
- Gravity
- Green Pricing
- Greenhouse Effect
- Greenhouse Effect (Relating To Buildings)
- Greenhouse Emissions
- Greenhouse Gases
- Grid
- Gross Additions To Construction Work In Progress For The Month
- Gross Area
- Gross Company-operated Production
- Gross Domestic Product (GDP)
- Gross Domestic Product (GDP) Implicit Price Deflator
- Gross Energy Intensity
- Gross Gas Withdrawal
- Gross Generation
- Gross Head
- Gross Input To Atmospheric Crude Oil Distillation Units
- Gross Inputs
- Gross National Product (Gnp)
- Gross Vehicle Weight Rating (GVWR)
- Gross Withdrawals
- Gross Working Interest Ownership Basis
- Group
- Group Name
- Group Quarters
- GWe
- Gypsum
- H-coal Process
- Half-life
- Halogen Lamp
- Halogenated Substances
- Hand Loading
- Haulage Cost
- HDPE
- Head
- Heap Leach Solutions
- Heat Balance
- Heat Capacity
- Heat Content
- Heat Engine
- Heat Exchanger
- Heat Gain
- Heat Loss
- Heat Pump
- Heat Pump (air Source)
- Heat Pump (geothermal)
- Heat Pump Efficiency
- Heat Rate
- Heat Storm
- Heat Transfer
- Heated Floorspace
- Heating Degree Day
- Heating Degree-days (HDD)
- Heating Equipment
- Heating Intensity
- Heating Load
- Heating Seasonal Performance Factor
- Heating Stove Burning Wood, Coal, Or Coke
- Heating Value
- Heavy Bottoms
- Heavy Crude
- Heavy Gas Oil
- Heavy Metals
- Heavy Oil
- Heavy Rail
- Heavy Water
- Heavy-water-moderated Reactor
- Hedging
- Hedging Contracts
- Heliochemical
- Heliostat
- Heliothermal
- Henry Hub
- Hertz
- Hexane
- Hexene-1
- High Efficiency Ballast
- High Efficiency Lighting
- High Sulfur No. 2 Diesel Fuel
- High-intensity Discharge (HID) Lamp
- High-mileage Households
- High-sulfur Coal
- High-temperature Collector
- Highwall
- Hinshaw Pipeline
- Holding Company
- Holding Pond
- Home Energy Assistance Program (Heap)
- Horizontal Axis Wind Turbine
- Horizontal Drilling
- Horsepower
- Horsepower (Hp)
- Host Government
- Hot
- Hot Dry Rock
- Hot Tub
- Hours Under Load
- Household
- Household Energy Expenditures
- Housing Unit
- Hspf
- Hspf (Heating Seasonal Performance Factor)
- Hub Height
- Humidifier
- Humidity
- HVAC
- Hvac (Heating Ventilation And Air Conditioning)
- HVAC Conservation Feature
- HVAC DSM Program
- Hybrid Electric Vehicles (HEVs)
- Hybrid Transmission Line
- Hybrid Vehicle
- Hydraulic Fracturing
- Hydraulic Head
- Hydrocarbon
- Hydrocarbons
- Hydrochlorofluorocarbons (HCFCs)
- Hydrocracking
- Hydroelectric Power
- Hydroelectric Power Plant
- Hydroelectric Spill Generation
- Hydrofluorocarbons (HFCs)
- Hydrogen
- Hydronic Heating
- Hydropower
- Hydrothermal Systems
- Hydrotreating
- Hydroxyl Radical (OH)
- Hygas
- Hypothetical Resources (coal)
- Identified Resources
- Idle Capacity
- IEA
- Ilev (Inherently Low Emission Vehicle)
- Imbalance Energy
- Impedance
- Implicit Price Deflator
- Imported Crude Oil Burned As Fuel
- Imported Refiners' Acquisition Cost (IRAC)
- Imports
- Imports (Electric Utility)
- Impoundment
- Improved Recovery
- In Situ Leach Mining (ISL)
- In-house Demand-Side Management (DSM) Program Sponsor
- In-situ Combustion
- In-situ Gasification
- In-use (vehicles)
- Inadvertent Power Exchange
- Incandescent Lamp
- Incandescent Light Bulb
- Incandescent Light Bulbs, Including Regular Or Energy-efficient Light Bulbs
- Incentives Demand-Side Management (DSM) Program Assistance
- Incremental Effects
- Incremental Energy Costs
- Independent Power Producer
- Independent System Operator (ISO)
- Indian Coal Lease
- Indicated Reserves
- Indicated Resources, Coal
- Indigenous Energy Resources
- Indirect Cost
- Indirect Uses (end-use Category)
- Indirect Utility Cost
- Indirectly Conditioned Space
- Induction
- Industrial Production
- Industrial Restrictions (coal)
- Industrial Sector
- Industrial Sector (of The Economy)
- Inertia
- Inferred Resources
- Infiltration
- Infiltration Barrier
- Infrastructure
- Initial Enrichment
- Initial Operation
- Injection
- Injection Molding
- Injection Well
- Injections
- Inoperable Capacity
- Insolation
- Installed Nameplate Capacity
- Instantaneous Peak Demand
- Instantaneous Water Heater
- Institutional Living Quarters
- Insulation
- Insulation Around Heating And/or Cooling Ducts
- Insulation Around Hot-water Pipes
- Insulation Around Water Heater
- Insulation, Thermal
- Insulator
- Intangible Drilling And Development Costs (IDC)
- Integral Collector Storage (ICS)
- Integrated Demand
- Integrated Gasification-combined Cycle Technology
- Integrated Resource Planning Principles
- Integrated Resource Planning(Irp)
- Intensity
- Intensity Per Hour
- Interchange (Electric Utility)
- Interchange Energy
- Interchanges
- Intercity Bus
- Interconnected System
- Interconnection
- Interconnection (Electric Utility)
- Interdepartmental Sales
- Interdepartmental Service (electric)
- Interest Coverage Ratio
- Interested Party
- Intergovernmental Panel On Climate Change (IPCC)
- Interlocking Directorates
- Intermediate Grade Gasoline
- Intermediate Load (electric System)
- Intermittent Electric Generator Or Intermittent Resource
- Internal Collector Storage (ICS)
- Internal Combustion Engine
- Internal Combustion Plant
- International Bunker Fuels
- Interruptible Gas
- Interruptible Load
- Interruptible Or Curtailable Rate
- Interruptible Power
- Interruptible Service (Electric Utility)
- Interstate Companies
- Interstate Pipeline
- Interstate Pipeline Purchase
- Intertie
- Intransit Deliveries
- Intransit Receipts
- Intrastate Companies
- Intrastate Pipeline
- Investment Of Municipality
- Investments And Advances To Unconsolidated Affiliates
- Investor-owned Utilities
- Investor-owned Utility (IOU)
- Ion
- Ion Exchange
- Iou
- Ipp
- Iron And Steel Industry
- Irradiated Nuclear Fuel
- Isdn
- Iso
- Isobutane (C4H10)
- Isobutylene (C4H8)
- Isohexane (C6H14)
- Isomerization
- Isopach
- Isopentane
- Isotopes
- Jack
- Jack-up Rig
- Jacket
- Jacket Platform
- Jet Fuel
- Joint Implementation (JI)
- Joint Venture
- Joint-use Facility
- Joule
- Joule (J)
- Joule's Law
- Junction
- Jurisdictional Utilities
- K-Resin
- Kaplan Turbine
- Kbtu
- Kerosene
- Kerosene-type Jet Fuel
- Ketone-alcohol (cyclohexanol)
- Kicks 66
- Kilovolt (Kv)
- Kilovolt Amperes (Kva)
- Kilovolt-Ampere (kVa)
- Kilowatt
- Kilowatt (Kw)
- Kilowatt-electric (kWe)
- Kilowatt-hour (Kwh)
- Kilowatthour (kWh)
- Kilowatthour(kWh)
- Kinetic
- Kinetic Energy
- Kinetic Theory Of Energy
- Kinetic Theory Of Gases
- Kyoto Protocol
- Ladwp
- Lamp
- Land Use
- Land-use Restrictions
- Landfill Gas
- Langley
- Large Passenger Car
- Large Pickup Truck
- Laser
- Latent Heat
- Latent Load
- Latitude
- Latitude And Longitude
- Lay Up
- Layoff (Electric Utility)
- LDLPE
- Leachate
- Lead Acid Battery
- Leaded Gasoline
- Leaded Premium Gasoline
- Leaded Regular Gasoline
- Leading Edge
- Lease
- Lease And Plant Fuel
- Lease Condensate
- Lease Equipment
- Lease Fuel
- Lease Operations
- Lease Separation Facility (lease Separator)
- Leasehold Reserves
- Lessee
- Levelized Cost
- Leverage Ratio
- Liability
- License
- License Block
- License Round
- Licensed Site Capacity
- Licensees
- Life Extension
- Life-cycle Cost
- Lifeline Rates
- Lift
- Lifting Costs
- Light
- Light Bulbs
- Light Crude
- Light Gas Oils
- Light Oil
- Light Rail
- Light Trucks
- Light Water
- Light Water Reactor (Lwr)
- Light-duty Vehicles
- Lightering
- Lighting Conservation Feature
- Lighting Demand-Side Management (DSM) Program
- Lighting Equipment
- Lights
- Lignite
- LIHEAP (Low-Income Home Energy Assistance Program)
- Line Loss
- Line-miles Of Seismic Exploration
- Liquefaction
- Liquefied Gases
- Liquefied Natural Gas (LNG)
- Liquefied Petroleum Gas (LPG)
- Liquefied Petroleum Gases
- Liquefied Refinery Gases (LRG)
- Liquid Brine
- Liquid Collector
- Liquid Metal Fast Breeder Reactor
- Liquid Petroleum Gas
- Liquids
- LLDPE
- LNG
- Lng (Liquefied Natural Gas)
- Load
- Load (electric)
- Load Centers
- Load Control Program
- Load Curve
- Load Diversity
- Load Factor
- Load Following
- Load Leveling
- Load Loss (3 Hours)
- Load Management
- Load Management Technique
- Load On Equipment
- Load Reduction Request
- Load Shape
- Load Shedding
- Local Distribution Company (LDC)
- Long Ton
- Long-term Debt
- Long-term Purchase
- Longwall Mining
- Loop Flow
- Loss Of Service (15 Minutes)
- Losses (Electric Utility)
- Low Btu Gas
- Low E Glass
- Low Emission Vehicle (Lev)
- Low Flow Showerheads
- Low Flush Toilet
- Low Head
- Low Income Home Energy Assistance Program (LIHEAP)
- Low Power Testing
- Low Sulfur No. 2 Diesel Fuel
- Low Temperature Collectors
- Low Volatile Bituminous Coal
- Low-e
- Low-pressure Sodium Lamp
- Low-sulfur Oil
- Lpg (Liquefied Petroleum Gas)
- Lubricants
- Lumen
- Lumen Maintenance Control
- Lumens/Watt
- Lumens/Watt (lpw)
- Luminaire
- Lux
- M100
- M85
- Machine Drive (motors)
- Made Available (vehicle)
- Magma
- Magnet
- Magneto Hydro Dynamics (Mhd)
- Main Heating Equipment
- Main Heating Fuel
- Mains
- Maintenance Expenses
- Maintenance Of Boiler Plant (expenses)
- Maintenance Of Structures (expenses)
- Maintenance Supervision And Engineering Expenses
- Major Electric Utility
- Major Energy Sources
- Major Fuels
- Major Interstate Pipeline Company
- Major Natural Gas Producer
- Make-up Air
- Manhattan Project
- Manual Dimmer Switches
- Manufactured Gas
- Manufacturing
- Manufacturing Division
- Manufacturing Establishment
- Marginal Cost
- Marginal Field
- Marine Freight
- Market Clearing Price
- Market Manipulation
- Market Participant
- Market Power
- Market Price Contract
- Market Price Settlement (uranium)
- Market-based Price
- Market-based Pricing
- Marketable Coke
- Marketed Production
- Marketer
- Marsh Gas
- Masonry
- Masonry Stove
- Mass Burn Facility
- Master File
- Master-metering
- Maximum Deliverability
- Maximum Demand
- Maximum Dependable Capacity, Net
- Maximum Established Site Capacity (reactors)
- Maximum Hourly Load
- Maximum Streamflow
- Mcf
- Mean Indoor Temperature
- Mean Operating Hours
- Mean Power Output (of A Wind Turbine)
- Mean Square Feet Per Building
- Measured Depth
- Measured Heated Area Of Residence
- Measured Reserves
- Measured Resources, Coal
- Mechanical Energy
- Mechanical Power
- Mechanical System
- Median
- Median Streamflow
- Median Water Condition
- Medium Pressure
- Medium-temperature Collector
- Medium-volatile Bituminous Coal
- Megavoltamperes (MVA)
- Megawatt
- Megawatt (Mw)
- Megawatt Electric (MWe)
- Megawatt Hour (Mwh)
- Megawatt-hour (MWH)
- Megawatthour (MWh)
- Mercaptan
- Mercaptans
- Merchant Coke Plant
- Merchant Facilities
- Merchant MTBE Plants
- Merchant Oxygenate Plants
- Mercury Vapor Lamp
- Merger
- Met
- Meta-anthracite
- Metal Halide Lamp
- Metallic
- Metallocene Catalyst
- Metallocene Compounds
- Metallurgical Coal
- Meter
- Metered Data
- Metered Peak Demand
- Methane
- Methane (Ch4)
- Methanogens
- Methanol (Also Known As Methyl Alcohol, Wood Alcohol, Ch3oh)
- Methanol (CH3OH)
- Methanol Blend
- Methanotrophs
- Methyl Chloroform (trichloroethane)
- Methyl Mercaptan
- Methyl Tertiary Butyl Ether (Mtbe)
- Methylene Chloride
- Metric Conversion Factors (for Floorspace)
- Metric Ton
- Metropolitan
- Metropolitan Area
- Metropolitan Statistical Area (MSA)
- Microcrystalline Wax
- Microgroove
- Micrometer (or Micron)
- Microwave
- Microwave Oven
- Mid-size Passenger Car
- Middle Distillates
- Middlings
- Midgrade Gasoline
- Mil
- Miles Per Gallon (MPG)
- Military Use
- Mill
- Mill Capital
- Mill Feed
- Milling
- Milling Capacity
- Milling Of Uranium
- Minable
- Mine Capital
- Mine Count
- Mineral
- Mineral Lease
- Mineral Rights
- Mineral-matter-free Basis
- Mini Van
- Minimum Generation
- Minimum Streamflow
- Mining
- Mining Operation
- Minority Carrier
- Miscellaneous Petroleum Products
- Miscellaneous Reserves
- Mission
- Mixed Waste
- MMbbl/d
- MMBtu
- MMcf
- MMCFD
- MMgal/d
- MMst
- Mobile Home
- Moderator
- Modules
- Moist (coal) Basis
- Moisture Content
- Mole
- Molecule
- Monomer
- Monopoly
- Monopsony
- Montreal Protocol
- Motor Gasoline (finished)
- Motor Gasoline Blending
- Motor Gasoline Blending Components
- Motor Oil
- Motor Speed
- MPG
- MPG Shortfall
- MSHA ID Number
- MTBE (methyl Tertiary Butyl Ether) (CH3)3COCH3
- Mtbe (Methyl Tertiary-butyl Ether)
- Multifamily Dwellings
- Multiple Completion Well
- Multiple Cropping
- Multiple Purpose Project
- Multiple Purpose Reservoir
- Municipal Electric Utility
- Municipal Solid Waste
- Municipal Solid Waste (MSW)
- Municipal U