- Ac
- Acbm
- Account Classification
- Account Of Others (natural Gas)
- Accounting System
- Acid Mine Drainage
- Acid Rain
- Acquisition (foreign Crude Oil)
- Acquisition (minerals)
- Acquisition Costs, Mineral Rights
- Acre-foot
- Acreage
- Active Power
- Active Solar
- Actual Peak Reduction
- Adequacy (electric)
- Adjustable Speed Drives
- Adjusted Electricity
- Adjustment Bid
- Administrative And General Expenses
- Advance Royalty
- Advances From Municipality
- Advances To Municipality
- Adverse Water Conditions
- Adverse Weather Conditions
- Affiliate
- Afforestation
- Aftermarket Converted Vehicle
- Aftermarket Vehicle Converter
- Afudc
- Afv
- Aga
- Agglomerating Character
- Aggregate Ratio
- Aggregator
- Agriculture
- Agriculture, Mining, And Construction (consumer Category)
- Air Cleaner
- Air Collector
- Air Conditioning
- Air Conditioning Intensity
- Air Pollution Abatement Equipment
- Alcohol
- Alkylate
- Alkylation
- All-electric Home
- Alternate Energy Source For Primary Heater
- Alternating Current (ac)
- Alternative Fuel
- Alternative Fuel Vehicle Converter
- Alternative-fuel Vehicle (afv)
- Alternative-rate Dsm Program Assistance
- American Indian Coal Lease
- Ami
- Amorphous Silicon
- Amortization
- Ampere
- Amr
- Ancillary Services
- Annual Operating Factor
- Annual Requirement
- 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
- Ara
- Aromatics
- As Received Coal
- As-received Condition Or As-received Basis (coal)
- Asbestos
- Ash
- Asphalt
- Asphalt (refined)
- Assembly Identifier
- Assembly Type
- Assessment Work
- Assistance For Heating In Winter
- Assistance For Weatherization Of Residence
- Associated Natural Gas
- Associated-dissolved Natural Gas
- Astm
- At Wt
- Atmospheric Crude Oil Distillation
- Auger Mine
- Authorized Cash Distribution To Municipality
- Automatic Set-back Or Clock Thermostat
- Automobile And Truck Classifications
- Auxiliary Generator
- Available But Not Needed Capability
- Average Annual Percent Change (coal)
- Average Daily Production
- Average Household Energy Expenditures
- 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 (finished)
- Aviation Gasoline Blending Components
- Backup Fuel
- Backup Generator
- Backup Power
- Balancing Authority (electric)
- Balancing Item
- Barrel
- Barrels Per Calendar Day
- Barrels Per Stream Day
- Base (cushion) Gas
- Base Bill
- Base Load
- Base Load Capacity
- Base Load Plant
- Base Period
- Base Rate
- Baseboard Heater
- Bbl
- Bbl/d
- Bbl/sd
- Bcf
- Benzene (c6h6)
- Bi-fuel Vehicle
- Bilateral Agreement
- Bilateral Electricity Contract
- Billing Period
- Biodiesel
- Biofuels
- Biogenic
- Biomass
- Biomass Gas
- Biomass Waste
- Biomass-based Diesel Fuel
- Bitumen
- Bituminous Coal
- Black Liquor
- Black Lung Benefits
- Blast Furnace
- Blast-furnace Gas
- Blending Components
- Blending Plant
- Block-rate Structure
- Bls
- Boe
- Boiler
- Boiler Fuel
- Boiling-water Reactor (bwr)
- Bonded Petroleum Imports
- Bone Coal
- Book Value
- Booked Costs
- Borderline Customer
- Bottled Gas
- Bottled Gas, Lpg, Or Propane
- Bottom Ash
- Bottom-hole Contribution
- Bottoming Cycle
- Bp
- Branded Product
- Break-even Cutoff Grade
- Breccia
- Breeder Reactor
- Breeze
- British Thermal Unit
- Btu
- Btu Conversion Factor
- Btu Per Cubic Foot
- Btx
- Budget Plan
- Building Shell (envelope) Dsm Program
- Building Shell Conservation Feature
- Built-in Electric Units
- Bulk Power Transactions
- Bulk Sales
- Bulk Station
- Bulk Terminal
- Bundled Utility Service (electric)
- Bunker Fuels
- Burn Days
- Burnup
- Bus
- Butane (c4h10)
- Butylene (c4h8)
- Buy-back Oil
- Bwr
- Bypassed Footage
- Byproduct
- C/gal
- C4h
- Caf
- Calcination
- Calcium Sulfate
- Calcium Sulfite
- California Power Exchange
- Canadian Deuterium Uranium Reactor (candu)
- Cannel Coal
- Capable Of Being Fueled
- Capacity
- Capacity (purchased)
- Capacity Charge
- Capacity Factor
- Capacity Transaction
- Capacity Utilization
- Capital Cost
- Capital Stock
- Captive Coal
- Captive Refinery Mtbe Plants
- Captive Refinery Oxygenate Plants
- Carb
- Carbon Black
- Carbon Budget
- Carbon Cycle
- Carbon Dioxide (co2)
- Carbon Dioxide Equivalent
- Carbon Flux
- Carbon Intensity
- Carbon Output Rate
- Carbon Sequestration
- Carbon Sink
- Carburetor
- Carrying Costs
- Cash And Carry
- Casinghead Gas (or Oil Well Gas)
- Cast Silicon
- Catalyst Coke
- Catalytic Converter
- Catalytic Cracking
- Catalytic Hydrocracking
- Catalytic Hydrotreating
- Catalytic Reforming
- Cbob
- Cdd
- Cells
- Cells To Oem (non-pv)
- Census Division
- Census Region
- Census Region/division
- Central Chiller
- Central Cooling
- Central Physical Plant
- Central Warm Air Furnace
- Centralized Water Heating System
- Cercla
- Certificate
- Certificate Requirement
- Cesspool
- Cf
- Cfc
- Cfs
- Ch4
- Chained Dollars
- Characterization
- Charge Capacity
- Chemical Separation
- Chlorofluorocarbon (cfc)
- Chp
- Christmas Tree
- Cif (cargo, Insurance And Freight):
- Cif (cost, Insurance, Freight)
- Circuit
- Circuit-mile
- Citygate
- Civ
- Class Rate Schedule
- Classes Of Service
- Clean Development Mechanism (cdm)
- Climate Change
- Clinker
- Cloud Condensation Nuclei
- Cmsa
- Cng
- Cnt
- Co
- Co Control Period ("seasons")
- Co Nonattainment Area
- Co2
- Coal
- Coal Analysis
- Coal Bed
- Coal Bed Degasification
- Coal Bed Methane
- Coal Briquets
- 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 Preparation
- Coal Producing Districts
- Coal Production
- Coal Rank
- Coal Sampling
- Coal Stocks
- Coal Sulfur
- Coal Synfuel
- Coal Type
- Coal Zone
- Coal-producing Regions
- Coal-producing States
- Code Of Federal Regulations
- Cofiring
- Cogeneration
- Cogeneration System
- Cogenerator
- Coincidental Demand
- Coincidental Peak Load
- Coke (coal)
- Coke (petroleum)
- Coke Breeze
- Coke Button
- Coke Oven Gas
- Coke Plants
- Coking
- Coking Coal
- Cold-deck Imputation
- Combined Cycle
- Combined Cycle Unit
- Combined Heat And Power (chp) Plant
- Combined Household Energy Expenditures
- Combined Hydroelectric Plant
- Combined Pumped-storage Plant
- Combustion
- Combustion Chamber
- Commercial Building
- Commercial Facility
- Commercial Operation (nuclear)
- Commercial Sector
- 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
- 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 (lease Condensate)
- Condenser Cooling Water
- Conditional Energy Intensity
- Conditionally Effective Rates
- Conductor
- Conference Of The Parties (cop)
- Configuration Maps
- Congestion
- Connected Load
- Connection
- Conservation And Other Dsm
- Conservation Feature
- Conservation Program
- Consolidated Entity
- Consolidated Metropolitan Statistical Area (cmsa)
- 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
- Continuous Delivery Energy Sources
- Continuous Mining
- Contract Price
- Contract Receipts
- Contracted Gas
- Contribution To Net Income
- Control
- Control Total
- Conventional Blendstock For Oxygenate Blending (cbob)
- Conventional Gasoline
- Conventional Hydroelectric Plant
- Conventional Mill (uranium)
- Conventional Mining
- Conventional Oil And Natural Gas Production
- Conventional Thermal Electricity Generation
- Conventionally Fueled Vehicle
- Conversion Company
- Conversion Factor
- Converted (alternative-fuel) Vehicle
- Cooling
- Cooling Degree-days
- Cooling Pond
- Cooling System
- Cooperative Electric Utility
- Coordination Service
- Coordination Service Pricing
- Cord Of Wood
- 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-based Rates (electric)
- Cost-of-service Regulation
- Costs (imports Of Natural Gas)
- Cpi
- Criteria Pollutant
- Crop Residue
- Crude Oil
- 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 (cf), Natural Gas
- Cull Wood
- Culm
- Cultivar
- Cumulative Depletion
- Current (electric)
- Current Assets
- Current Liabilities
- Current Ratio
- Customer Choice
- Customs District (coal)
- Customs Import Value (c.i.v.)
- Cut-off Grade (uranium)
- Cwip
- Cycle
- Cycle/reactor History
- Cycling (natural Gas)
- Dam
- Day-ahead And Hour-ahead Markets
- Day-ahead Schedule
- Daylighting Controls
- Dc
- Deadweight Tons
- Dealer Tank Wagon (dtw) Sales
- Decatherm
- Decommissioning
- Decontamination
- Dedicated Reserves
- Dedicated Vehicle
- Deepest Total Depth
- Deferred Cost
- Deferred Fuel Costs
- Deferred Income Tax (liability)
- Deforestation
- Degasification System
- Degradable Organic Carbon
- Delayed Coking
- Deliverability
- Delivered (gas)
- Delivered Cost
- Delivered Energy
- Deliveries (electric)
- Demand
- Demand Bid
- Demand Charge
- Demand Charge Credit
- Demand Indicator
- Demand Interval
- Demand-metered
- Demand-side Management (dsm)
- Demand-side Management Costs
- Demonstrated Reserve Base (coal)
- Demonstrated Reserves
- Demonstrated Resources
- Demonstration And Test Vehicles
- Demurrage
- Denaturant
- Dependable Capacity
- Depleted Resources
- Depleted Storage Field
- Depletion (coal)
- Depletion Allowance
- Depletion Factor
- Depreciation
- Depth Of Deepest Production
- Deregulation
- Design Electrical Rating (capacity) Net
- Design Head
- Desulfurization
- Development
- Development Costs
- Development Drilling
- Development Well
- Diesel Fuel
- Diesel Fuel System
- Diesel-electric Plant
- Diffusive Transport
- Direct Access
- Direct Control Load Management
- Direct Electricity Load Control
- Direct Labor Hours
- Direct Load Control
- Direct Milling Cost
- Direct Mining Cost
- Direct Nonprocess End Use
- Direct Process End Use
- Direct Utility Cost
- Directional (deviated) Well
- Discharged Fuel
- Discrete-delivery Energy Sources:
- Dispatching
- Disposition, Natural Gas
- Disposition, Petroleum
- Distillate Fuel Oil
- Distillation Unit (atmospheric)
- Distributed Generator
- Distributed/point-of-use Water-heating System
- Distribution
- Distribution Provider (electric)
- Distribution System
- Distribution Use
- Distributor
- District Chilled Water
- District Heat
- Diversity
- Diversity Exchange
- Divestiture
- Docket
- Doe
- Domestic
- Domestic Inland Consumption
- Domestic Uranium Industry
- Domestic Vehicle Producer
- Double Circuit Line
- Drainage Basin
- Drawdown
- Drawdown (maximum)
- Drb
- Dredge Mining
- Drift Mine
- Drilling
- Drilling And Equipping Of Wells
- Drilling Arrangement
- Dry (coal) Basis
- Dry Bottom Boiler
- Dry Gas
- Dry Hole
- Dry Hole Charge
- Dry Hole Contribution
- Dry Natural Gas
- Dry Natural Gas Production
- Dry Production
- Dsm
- Dtw
- Dual Fuel Vehicle (1)
- Dual Fuel Vehicle (2)
- Dual-fired Unit
- Dump Energy
- E85
- E95
- Ear
- Economy Of Scale
- Effective Full-power Days
- Eia
- Eis
- Electric Baseboard
- Electric Current
- Electric Energy
- Electric Expenses
- Electric Generation
- Electric Generation Industry
- Electric Generator
- Electric Hybrid Vehicle
- Electric Industry Reregulation
- Electric Industry Restructuring
- Electric Motor Vehicle
- Electric Non-utility
- 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 Rate
- Electric Rate Schedule
- Electric System Loss
- Electric System Reliability
- Electric Utility
- Electric Utility Company
- Electric Utility Divestiture
- Electric Utility Generator
- Electric Utility Restructuring
- Electric Utility Sector
- Electric Zone
- 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
- Electrochemical Process
- Elution
- Emergency
- Emergency Backup Generation
- Emergency Energy
- Emissions
- Emissions Coefficient
- End User
- Ending Stocks
- Energy
- Energy Assistance Program
- Energy Audit
- Energy Broker System
- Energy Conservation Features
- Energy Consumption
- Energy Deliveries
- Energy Demand
- Energy Effects
- 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 Policy Act Of 1992 (epact)
- Energy Production
- Energy Receipts
- Energy Reserves
- Energy Sale(s)
- Energy Savings
- Energy Service Provider
- Energy Source
- Energy Supplier
- Energy Supply
- Energy Used In The Home
- Energy-use Sectors
- Energy-weighted Industrial Output
- Engine Size
- Enriched Uranium
- Enrichment Feed Deliveries
- Enrichment Tails Assay
- Environmental Impact Statement
- Environmental Protection Agency (epa) Certification Files
- Environmental Restoration
- Environmental Restrictions
- Eor
- Epa
- Epa Certification
- Epact
- Equilibrium Cycle
- Equity (financial)
- Equity Capital
- Equity Crude Oil
- Equity In Earnings Of Unconsolidated Affiliates
- Establishment
- Estimated Additional Resources (ear)
- Etbe
- Etbe (ethyl Tertiary Butyl Ether)
- Ethane (c2h6)
- Ethanol (c2h5oh)
- Ether
- Ethylene
- Ethylene Dichloride
- Eu
- Eurasia
- Evacuated-tube Collector
- Evaporation Pond
- Evaporative Cooler (swamp Cooler)
- Ewg
- Excess Statutory Depletion
- Exchange
- Exchange Agreement
- Exchange Energy
- Exchange, Electricity
- Exchange, Natural Gas
- Exchange, Petroleum
- Exchange, Power
- Exempt Wholesale Generator (ewg)
- Exhaust Fan
- Expenditure
- Expenditures Per Million Btu
- Expenditures Per Square Foot
- Exploration Drilling
- Exploratory Well
- Exports
- Extensions
- Extensions, Discoveries, And Other Additions
- Externalities
- Extraction Loss
- Extractive Industries
- Extraordinary Income Deductions (electric Utility)
- F.a.s.
- F.a.s. Value
- F.o.b
- F.o.b. Price
- F.o.b. Value (coal)
- Fabricated Fuel
- Facilities Charge
- Facility
- Fahrenheit
- Failure Or Hazard
- Farm Out (in) Arrangement
- Farm Use
- Fasb
- Fast Breeder Reactor (fbr)
- Fbr
- Federal Coal Lease
- Federal Electric Utility
- Federal Energy Regulatory Commission (ferc)
- Federal Power Act
- Federal Power Commission (fpc)
- Federal Region
- Fee Interest
- Feeder Line
- Ferc
- Ferc Guidelines
- Fertile Material
- Fgd
- Field
- Field Area
- Field Discovery Year
- Field Production
- Field Separation Facility
- File Rate Schedule
- Filing
- Final Order
- Financial Accounting Standards Board (fasb)
- Finished Leaded Gasoline
- Finished Motor Gasoline
- Firm
- Firm Power
- First Purchase (of Crude Oil)
- First Purchase Price
- Fiscal Year
- Fissile Material
- Fission
- Fixed Asset Turnover
- Fixed Assets
- Fixed Carbon
- Fixed Charge Coverage
- Fixed Cost (expense)
- Fixed Operating Costs
- Flared
- Flared Natural Gas
- Flat And Meter Rate Schedule
- Flat Demand Rate Schedule
- Flat Plate Pumped
- Fleet Vehicle
- Flexicoking
- Floor (coal)
- Floor Price
- Floor Space
- Floor, Wall, Or Pipeless Furnace
- Flow Control
- Flue
- Flue Gas Desulfurization
- Flue-gas Desulfurization Unit (scrubber)
- Flue-gas Particulate Collector
- Fluid Catalytic Cracking
- Fluid Coking
- Fluidized-bed Combustion
- Fluorescent Lamp
- Fluorescent Light Bulbs
- Fluorescent Lighting Other Than Compact Fluorescent Bulbs
- Flux Material
- Fly Ash
- Fme
- Footage Drilled
- 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 Powerplant
- Fossil-fuel Electric Generation
- Foundry
- Foundry Coke
- Fpc
- Fractionation
- Framework Convention On Climate Change (fccc)
- Free Alongside Ship (f.a.s.)
- Free On Board (f.o.b.)
- Free Well
- Fresh Feed Input
- Fresh Feeds
- Frs
- Fuel
- Fuel Cell
- Fuel Cycle
- Fuel Efficiency
- Fuel Emergencies
- Fuel Ethanol
A
B
C
D
E
F
- Fuel Ethanol Minus Denaturant
- Fuel Expenses
- Fuel Injection
- Fuel Oil
- Fuel Oil Supplier
- Fuel Purchase Agreement
- Fuel Ratio
- 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, Withoutusing Steam Or Hot Water (similar To A Residential Furnace):
- Futures Market
- Gaap
- Gal
- Gallon
- Gas
- Gas Cooled Fast Breeder Reactor (gcfb)
- Gas Oil
- Gas Plant Operator
- Gas Processing Unit
- Gas To Liquids (gtl)
- Gas Turbine Plant
- Gas Well
- Gas Well Productivity
- Gasification
- Gasohol
- Gasoline
- Gasoline Blending Components
- Gasoline Grades
- Gasoline Motor, (leaded)
- Gasoline Treated As Blendstock (gtab)
- Gate Station
- Gatherer
- Gdp
- Generally Accepted Accounting Principles (gaap)
- Generating Facility
- Generating Station
- Generating Unit
- Generation
- Generation Company
- Generator Capacity
- Generator Nameplate Capacity (installed)
- Geologic Assurance
- Geologic Considerations
- Geological And Geophysical (g) Costs
- Geological Repository
- Geopressured
- Geothermal Energy
- Geothermal Plant
- Geyser
- Giga
- Gigawatt (gw)
- Gigawatt-electric (gwe)
- Gigawatthour (gwh)
- Gilsonite
- Global Climate Change
- Global Warming
- Global Warming Potential (gwp)
- Gnp
- Government-owned Stocks
- Green Pricing
- Greenhouse Gases
- Grid
- Gross Additions To Construction Work In Progress For The Month
- 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
- Gvw
- Gw
- Gwe
- Gwh
- Gwp
- Gypsum
- H
- H
- Half-life
- Halogen Lamp
- Halogenated Substances
- Hand Loading
- Haulage Cost
- Hcfc
- Hdd
- Head
- Heap Leach Solutions
- Heat Content
- Heat Pump
- Heat Pump (air Source)
- Heat Pump (geothermal)
- Heat Pump Efficiency
- Heat Rate
- Heated Floorspace
- Heating Degree-days (hdd)
- Heating Equipment
- Heating Intensity
- Heating Stove Burning Wood, Coal, Or Coke
- Heating Value
- Heavy Gas Oil
- Heavy Metals
- Heavy Rail
- Heavy Water
- Heavy-water-moderated Reactor
- Hedging
- Hedging Contracts
- Heliostat
- Henry Hub
- Hfc
- Hid
- High Efficiency Ballast
- High Efficiency Lighting
- High-intensity Discharge (hid) Lamp
- High-mileage Households
- High-temperature Collector
- Highwall
- Hinshaw Pipeline
- Holding Company
- Holding Pond
- Horizontal Axis Wind Turbine
- Horsepower
- Host Government
- Hot Dry Rock
- Hot Tub
- Hours Under Load
- Household
- Household Energy Expenditures
- Housing Unit
- Hub Height
- Humidifier
- Humidity
- Hvac
- Hvac Conservation Feature
- Hvac Dsm Program
- Hybrid Transmission Line
- Hydraulic Fracturing
- Hydraulic Head
- Hydrocarbon
- Hydrochlorofluorocarbons (hcfcs)
- Hydrocracking
- Hydroelectric Power
- Hydrofluorocarbons (hfcs)
- Hydrogen
- Hydrotreating
- Hydroxyl Radical (oh)
- Hypothetical Resources (coal)
- Iation And Amortization Of Property, Plant, And Equipment
- Identified Resources
- Idle Capacity
- Iea
- Impedance
- Implicit Price Deflator
- Imported Crude Oil Burned As Fuel
- Imported Refiners' Acquisition Cost (irac)
- Imports
- Improved Recovery
- In Situ Leach Mining (isl)
- In-house Demand-side Management (dsm) Program Sponsor
- Incandescent Lamp
- 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
- Indirect Cost
- Indirect Uses (end-use Category)
- Indirect Utility Cost
- Industrial Production
- Industrial Restrictions (coal)
- Industrial Sector
- Inferred Reserve Base (coal)
- Inferred Resources
- Initial Enrichment
- Initial Operation
- Injections
- Inoperable Capacity
- 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
- Insulator
- Intangible Drilling And Development Costs (idc)
- Integral Collector Storage (ics)
- Integrated Demand
- Integrated Gasification-combined Cycle Technology
- Intensity
- Intensity Per Hour
- Interchange (electric)
- Interchange Authority (electric)
- Interchange Energy
- Interchange Transaction (electric)
- Intercity Bus
- Interconnected System
- Interconnection
- Interdepartmental Sales
- Interdepartmental Service (electric)
- Interest Coverage Ratio
- 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 Plant
- International Bunker Fuels
- Interruptible Gas
- Interruptible Load
- Interruptible Load Or Interruptible Demand (electric)
- Interruptible Or Curtailable Rate
- Interruptible Power
- Interstate Companies
- Interstate Pipeline
- Interstate Pipeline Purchase
- Intransit Deliveries
- Intrastate Companies
- Intrastate Pipeline
- Investment Of Municipality
- Investments And Advances To Unconsolidated Affiliates
- Investor-owned Utility (iou)
- Ion Exchange
- Iou
- Ipp
- Iron And Steel Industry
- Irradiated Nuclear Fuel
- Iso
- Isobutane (c4h10)
- Isobutylene (c4h8)
- Isohexane (c6h14)
- Isomerization
- Isopach
- Isopentane
- Isotopes
- Jacket
- Jet Fuel
- Joint Implementation (ji)
- Joint-use Facility
- Joule (j)
- Joule's Law
- Junction
- Jurisdictional Utilities
- Kaplan Turbine
- Kerosene
- Kerosene-type Jet Fuel
- Ketone-alcohol (cyclohexanol)
- Kilovolt-ampere (kva)
- Kilowatt (kw)
- Kilowatt-electric (kwe)
- Kilowatthour (kwh)
- Kinetic Energy
- Kva
- Kw
- Kwe
- Kwh
- Kyoto Protocol
- Lamp
- Land Use
- Land-use Restrictions
- Landfill Gas
- Langley
- Large Passenger Car
- Large Pickup Truck
- Latitude And Longitude
- Lb
- Ldc
- Leachate
- Lead Acid Battery
- Leaded Gasoline
- Leaded Premium Gasoline
- Leaded Regular Gasoline
- Leading Edge
- Lease And Plant Fuel
- Lease Condensate
- Lease Equipment
- Lease Fuel
- Lease Operations
- Lease Separation Facility (lease Separator)
- Leasehold Reserves
- Lessee
- Levelized Cost
- Leverage Ratio
- Levp
- Lhv
- Liability
- Licensed Site Capacity
- Licensees
- Life Extension
- Lift
- Lifting Costs
- Light Bulbs
- Light Gas Oils
- Light Rail
- Light Trucks
- Light Water
- Light Water Reactor (lwr)
- Light-duty Vehicles
- Lighting Conservation Feature
- Lighting Demand-side Management (dsm) Program
- Lighting Equipment
- Lights
- Lignite
- Liheap
- Line Loss
- Line-miles Of Seismic Exploration
- Liquefied Natural Gas (lng)
- Liquefied Petroleum Gases
- Liquefied Refinery Gases (lrg)
- Liquid Collector
- Liquid Fuels
- Liquid Metal Fast Breeder Reactor
- Lng
- Load (electric)
- Load Control Program
- Load Curve
- Load Diversity
- Load Factor
- Load Following
- Load Leveling
- Load Loss (3 Hours)
- Load Management Technique
- Load On Equipment
- Load Reduction Request
- Load Shape
- Load Shedding
- Load-serving Entity (electric)
- Local Distribution Company (ldc)
- Long Ton
- Long-term Debt
- Long-term Purchase
- Longwall Mining
- Loop Flow
- Loss Of Service (15 Minutes)
- Low Btu Gas
- Low E Glass
- Low Flow Showerheads
- Low Flush Toilet
- Low Head
- Low Income Home Energy Assistance Program (liheap)
- Low Power Testing
- Low Sulfur Diesel (lsd) Fuel
- Low Temperature Collectors
- Low Volatile Bituminous Coal
- Low-pressure Sodium Lamp
- Lpg
- Lrg
- Lubricants
- Lumen
- Lumens/watt (lpw)
- Lwr
- M
- Machine Drive (motors)
- Made Available (vehicle)
- Magma
- 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
- Make-up Air
- Manhattan Project
- Manual Dimmer Switches
- Manufactured Gas
- Manufacturing
- Manufacturing Division
- Manufacturing Establishment
- Marginal Cost
- Marine Freight
- Market Clearing Price
- Market Price Contract
- Market Price Settlement (uranium)
- Market-based Pricing
- Marketable Coke
- Marketed Energy
- Marketed Production
- Masonry
- Masonry Stove
- Mass Burn Facility
- Master-metering
- Maximum Deliverability
- Maximum Demand
- Maximum Dependable Capacity, Net
- Maximum Established Site Capacity (reactors)
- Maximum Generator Nameplate Capacity
- Maximum Hourly Load
- Maximum Streamflow
- Mboed
- Mcf
- Mean Indoor Temperature
- Mean Operating Hours
- Mean Power Output (of A Wind Turbine)
- Mean Square Feet Per Building
- Measured Heated Area Of Residence
- Measured Reserves
- Measured Resources, Coal
- Mecs
- Median
- Median Streamflow
- Median Water Condition
- Medium Pressure
- Medium-temperature Collector
- Medium-volatile Bituminous Coal
- Megavoltamperes (mva)
- Megawatt (mw)
- Megawatt Electric (mwe)
- Megawatthour (mwh)
- Mercaptan
- Merchant Coke Plant
- Merchant Facilities
- Merchant Mtbe Plants
- Merchant Oxygenate Plants
- Mercury Vapor Lamp
- Merger
- Met
- Meta-anthracite
- Metal Halide Lamp
- Metallic
- Metallurgical Coal
- Metered Data
- Metered Peak Demand
- Methane
- Methanogens
- Methanol (ch3oh)
- Methanol Blend
- Methanotrophs
- Methyl Chloroform (trichloroethane)
- Methylene Chloride
- Metric Conversion Factors (for Floorspace)
- Metric Ton
- Metropolitan
- Metropolitan Area
- Metropolitan Statistical Area (msa)
- Microcrystalline Wax
- Microgroove
- Micrometer (or Micron)
- Microwave Oven
- Mid-size Passenger Car
- Middle Distillates
- Middlings
- Midgrade Gasoline
- Miles Per Gallon (mpg)
- Military Use
- Mill
- Mill Capital
- Mill Feed
- Milling
- Milling Capacity
- Milling Of Uranium
- Million British Thermal Units
- Minable
- Mine Capital
- Mine Count
- Mineral
- Mineral Lease
- Mineral Rights
- Mineral-matter-free Basis
- Mini Van
- Minimum Streamflow
- Mining
- Mining Operation
- Minority Carrier
- Miscellaneous Petroleum Products
- Miscellaneous Reserves
- Mixed Waste
- Mm
- Mmbbl/d
- Mmbtu
- Mmcf
- Mmgal/d
- Mmst
- Mobile Home
- Moderator
- Modules
- Moist (coal) Basis
- Moisture Content
- Mole
- Montreal Protocol
- Motor Gasoline (finished)
- Motor Gasoline Blending
- Motor Gasoline Blending Components
- Motor Speed
- Mpg
- Mpg Shortfall
- Msa
- Msha
- Msha Id Number
- Msw
- Mtbe
- Mtbe (methyl Tertiary Butyl Ether) (ch3)3coch3
- Multiple Completionwell
- Multiple Cropping
- Multiple Purpose Project
- Multiple Purpose Reservoir
- Municipal Solid Waste
- Municipal Waste
- Municipal Waste To Energy Project Or Plant
- Municipality
- Mw
- Mwe
- Mwh
- N2o
- Naaqs
- Naics (north American Industry Classification System)
- Name Plate
- Name Plate Capacity
- Naphtha
- Naphtha Less Than 401 Degrees Fahrenheit
- Naphtha-type Jet Fuel
- Naphthas
- Naruc
- National Association Of Regulatory Utility Commissioners (naruc):
- National Defense Authorization Act
- National Priorities List
- National Rural Electric Cooperative Association (nreca)
- National Uranium Resource Evaluation (nure)
- Native Gas
- Native Load (electric)
- Natural Gas
- Natural Gas Field Facility
- Natural Gas Gross Withdrawals
- Natural Gas Hydrates
- Natural Gas Liquids (ngl)
- Natural Gas Liquids Production
- Natural Gas Marketed Production
- Natural Gas Marketer
- Natural Gas Plant Liquids
- Natural Gas Policy Act Of 1978 (ngpa)
- Natural Gas Processing Plant
- Natural Gas Production
- Natural Gas Utility Demand-side Management (dsm) Program Sponsor
- Natural Gas, "dry"
- Natural Gasoline
- Natural Gasoline And Isopentane
- Natural Reservoir Pressure
- Natural Streamflow
- Natural Uranium
- Nerc
- Net Actual Interchange (electric)
- Net Cell Shipments
- Net Electricity Consumption
- Net Energy For Load
- Net Energy For Load (electric)
- Net Energy For System
- Net Generation
- Net Head
- Net Income
- Net Interstate Flow Of Electricity
- Net Module Shipments
- Net Operable Capacity
- Net Photovoltaic Module Shipment
- Net Profits Interest
- Net Receipts
- Net Summer Capacity
- Net Winter Capacity
- Netback Purchase
- New Field
- New Field Discoveries
- New Reservoir
- Ngl
- Ngpa
- Ngpl
- Ngv
- Nitrogen Dioxide
- Nitrogen Oxides (nox)
- Nitrous Oxide (n2o)
- No. 1 Diesel Fuel
- No. 1 Distillate
- No. 1 Fuel Oil
- No. 2 Diesel Fuel
- No. 2 Distillate
- No. 2 Fuel Oil (heating Oil)
- No. 2 Fuel Oil And No. 2 Diesel Sold To Consumers For All Other End Uses
- No. 2 Fuel Oil Sold To Private Homes For Heating
- No. 4 Fuel Oil
- No. 5 And No. 6 Fuel Oil Sold Directly To The Ultimate Consumer
- No. 5 And No. 6 Fuel Oil Sold To Refiners Or Other Dealers Who Will Resale The Product
- Noaa
- Noaa Division
- Noload Loss
- Nominal Dollars
- Nominal Price
- Non-biomass Waste
- Nonassociated Natural Gas
- Nonattainment Area
- Nonbranded Product
- Noncoincident Demand
- Noncoincidental Peak Load
- Nonconventional Plant (uranium)
- Nondedicated Vehicle
- Nonfirm Power
- Nonfuel Components
- Nonfuel Use (of Energy)
- Nonfungible Product
- Nonhydrocarbon Gases
- Nonmethane Volatile Organic Compounds (nmvoc)
- Nonoperating Interest
- Nonproducing Reservoir
- Nonrenewable Fuels
- Nonrequirements Consumer
- Nonresidential Building
- Nonroad Alternative Fuel Vehicle (nonroad Afv)
- Nonspinning Reserve
- Nonutility Generation
- Nonutility Power Producer
- Nopr
- Normal Butane (c4h10)
- North American Electric Reliability Corporation (nerc)
- North American Industry Classification System (naics)
- Nox
- Nreca
- Nuclear Electric Power (nuclear Power)
- Nuclear Fuel
- Nuclear Reactor
- Nug
- Number Of Mines
- Number Of Mining Operations
- Nure
- Nymex
- O&m
- O3
- Occupancy Sensors
- Ocean Energy Systems
- Ocean Thermal Energy Conversion (otec)
- Ocs
- Octane
- Octane Rating
- Oecd
- Oem
- Off Peak
- Off Peak Gas
- Off-highway Use
- Off-hours Equipment Reduction
- Off-system
- Offshore
- Offshore Reserves And Production
- Offsite-produced Energy For Heat, Power, And Electricity Generation
- Offsystem (natural Gas)
- Ohm
- Ohm's Law
- Oil
- Oil Company Use
- Oil Reservoir
- Oil Shale
- Oil Stocks
- Oil Well
- Oil Well (casing Head) Gas
- Old Field
- Old Reservoir
- On Peak
- On-highway Use (diesel)
- On-system
- On-system Sales
- One Sun
- One-time Fee
- Onsite Transportation
- Onsystem (natural Gas)
- Opec
- Opec (organization Of The Petroleum Exporting Countries)
- Open Access
- Open Access (electric)
- Open Access Transmission Tariff (electric)
- Open Market Coal
- Open Refrigeration Unit
- Operable Capacity
- Operable Generators/units
- Operable Nuclear Unit (foreign)
- Operable Nuclear Unit (u.s.)
- Operable Refineries
- Operable Unit
- Operable Utilization Rate
- Operated
- Operating Capacity
- Operating Day
- Operating Expenses
- Operating Income
- Operating Revenues
- Operating Subsidiary
- Operating Unit
- Operating Utilization Rate
- Operator, Gas Plant
- Operator, Oil And/or Gas Well
- Oprg
- Optional Delivery Commitment
- Order
- Organic Content
- Organic Waste
- Organization For Economic Cooperation And Development (oecd)
- Organization Of The Petroleum Exporting Countries (opec)
- Original Cost
- Original Equipment Manufacturer (oem)
- Original Equipment Manufacturer Vehicle
- Otec
- Other
- Other Capital Costs
- Other Demand-side Management (dsm) Assistance Programs
- Other End Users
- Other Energy Operations
- Other Finished
- Other Gas
- Other Generation
- Other Industrial Plant
- Other Load Management
- Other Oils Equal To Or Greater Than 401 Degrees Fahrenheit
- Other Operating Costs
- Other Oxygenates
- Other Power Producers
- Other Refiners
- Other Service To Public Authorities
- Other Single-unit Truck
- Other Supply Contracts
- Other Trucks/vans
- Other Unavailable Capability
- Outage
- Outer Continental Shelf
- Output
- Oven
- Overburden
- Overburden Ratio
- Overriding Royalty
- Owned Reserves
- Owned/rented
- Owner Occupied
- Owners Equity
- Ownership
- Ownership Of Building
- Oxidize
- Oxygenated Gasoline
- Oxygenated Gasoline (includes Gasohol)
- Oxygenates
- Ozone
- Ozone Precursors
- Packaged Air Conditioning Units
- Packaged Units
- Pad Districts Or Padd
- Parabolic Dish
- Parabolic Trough
- Paraffin (oil)
- Paraffin (wax)
- Paraffinic Hydrocarbons
- Parent
- Parent Company
- Partial Requirements Consumer
- Particulate
- Passenger-miles Traveled
- Passive Solar Heating
- Payables To Municipality
- Payment Method For Utilities
- Pbr
- Pbr
- Pcb
- Peak Day Withdrawal
- Peak Demand
- Peak Kilowatt
- Peak Load
- Peak Load Month
- Peak Load Plant
- Peak Megawatt
- Peak Watt
- Peaking Capacity
- Peat
- Pentanes Plus
- Percent Difference
- Percent Utilization
- Perfluorocarbons(pfcs)
- Perfluoromethane
- Permanently Discharged Fuel
- Permeability
- Persian Gulf
- Person
- Person-year
- Personal Computer
- Petrochemical Feedstocks
- Petrochemicals
- Petroleum
- Petroleum Administration For Defense District (padd)
- Petroleum Coke
- Petroleum Coke, Catalyst
- Petroleum Coke, Marketable
- Petroleum Consumption
- Petroleum Imports
- Petroleum Jelly
- Petroleum Products
- Petroleum Refinery
- Petroleum Stocks, Primary
- Pfcs
- Pga
- Ph
- Photosynthesis
- Photovoltaic And Solar Thermal Energy (as Usedat Electric Utilities)
- Photovoltaic Cell (pvc)
- Photovoltaic Cell Net Shipments
- Photovoltaic Module
- Pig Iron
- Pipeline (natural Gas)
- Pipeline (petroleum)
- Pipeline Freight
- Pipeline Fuel
- Pipeline Purchases
- Pipeline Quality Natural Gas
- Pipeline, Distribution
- Pipeline, Gathering
- Pipeline, Transmission
- Pipelines, Rate Regulated
- Pitcheblende
- Place In Service
- Planetary Albedo
- Planned Generator
G
H
I
J
K
L
M
N
O
P
- Planning Authority (electric)
- Plant
- Plant Condensate
- Plant Hours Connected To Load
- Plant Liquids
- Plant Or Gas Processing Plant
- Plant Products
- Plant Use
- Plant-use Electricity
- Plugged-back Footage
- Plutonium (pu)
- Pneumatic Device
- Pole-mile
- Pole/tower Type
- Polystyrene
- Polyvinyl Chloride (pvc)
- Pondage
- Pool
- Pool Site
- Population-weighted Degree-days
- Pore Space
- Portable Electric Heater
- Portable Fan
- Portable Kerosene Heater
- Post-mining Emissions
- Potential Consumption
- Potential Peak Reduction
- Pounds (district Heat)
- Power
- Power (electrical)
- Power Ascension
- Power Exchange
- Power Exchange Generation
- Power Exchange Load
- Power Factor
- Power Loss
- Power Marketers
- Power Pool
- Power Production Plant
- Power Transfer Limit
- Powerhouse
- Ppe, Additions To
- Ppi
- Prediscovery Costs
- Pregnant Solution
- Preliminary Permit (hydroelectric Power)
- Premium Gasoline
- Preparation Plant
- Preproduction Costs
- Pressurized-water Reactor (pwr)
- Preventive Maintenance Program For Heating And/orcooling Equipment
- Price
- Primary Coal
- Primary Energy
- Primary Energy Consumption
- Primary Energy Consumption Expenditures
- Primary Energy Production
- Primary Fuels
- Primary Metropolitan Statistical Area (pmsa)
- Primary Recovery
- Primary Transportation
- Prime Mover
- Prime Supplier
- Private Fueling Facility
- Probable (indicated) Reserves, Coal
- Probable Energy Reserves
- Process Cooling And Refrigeration
- Process Fuel
- Process Heating Or Cooling Demand-side Management (dsm) Program
- Process Heating Or Cooling Waste Heatrecovery
- Processed Gas
- Processing
- Processing Gain
- Processing Loss
- Processing Of Uranium
- Processing Plant
- Producer
- Producer And Distributor Coal Stocks
- Producer Contracted Reserves
- Producing Property
- Production
- Production Capacity
- Production Costs
- Production Expenses
- Production Payments
- Production Plant Liquids
- Production, Crude Oil
- Production, Lease Condensate
- Production, Natural Gas
- Production, Natural Gas Liquids
- Production, Natural Gas, Dry
- Production, Natural Gas, Wet After Lease Separation
- Production, Oil And Gas
- Production, Wet After Lease Separation
- Productive Capacity
- Products Supplied
- Profit
- Program Cost
- Propane (c3h8)
- Propane Air
- Propane, Consumer Grade
- Proportional Interest In Investee Reserves
- Proposed Rates
- Propylene (c3h6)
- Propylene (c3h6) (nonfuel Use)
- Prospecting
- Prospecting Costs
- Proved (measured) Reserves, Coal
- Proved Energy Reserves
- Public Authorities
- Public Authority Service To Public Authorities
- Public Street And Highway Lighting
- Public Utility
- Public Utility District
- Public Utility Holding Company Act Of 1935 (puhca)
- Public Utility Regulatory Policies Act Of 1978
- Public Utility Regulatory Policiesact (purpa) Of 1978
- Publicly Owned Electric Utility
- Pud
- Puhca
- Pulp Chips
- Pulp Wood
- Pulping Liquor (black Liquor)
- Pumped-storage Hydroelectric Plant
- Purchase-contract Imports Of Uranium
- Purchased
- Purchased Power
- Purchased Power Adjustment
- Pure Pumped-storage Hydroelectric Plant
- Purpa
- Pv
- Pvc
- Pvcs That Convert Sunlight Directly Into Energy
- Pwr
- Pyrolysis
- Qf
- Quad
- Quadrillion
- Qualifying Facility (qf)
- Quality Or Grade (of Coal)
- Quantity Wires Charge
- R-value
- Rac
- Rack Sales
- Radiant Barrier
- Radiant Ceiling Panels
- Radiant Energy
- Radiation
- Radiative Forcing
- Radiatively Active Gases
- Radiator
- Radioactive Waste
- Radioactivity
- Radioisotope
- Radon
- Rail (method Of Transportation To Consumers)
- Railroad And Railway Electric Service
- Railroad Locomotive
- Railroad Use
- Range Top
- Rankine Cycle
- Rankine Cycle Engine
- Rar
- Rate Base
- Rate Base (electric)
- Rate Case
- Rate Features
- Rate Of Return
- Rate Of Return On Rate Base
- Rate Schedule (electric)
- Ratemaking Authority
- Rates
- Rating
- Ratio Estimate
- Ratoon Crop
- Rayleigh Frequency Distribution
- Rbob
- Rdf
- Rea
- Reactance
- Reactive Power
- Real Dollars
- Real Power
- Real Price
- Reasonably Assured Resources (rar)
- Rebate Program
- Reburn
- Receipts
- Receivables From Municipality
- Received
- Reclamation
- Reclamation Expenses
- Recoverability
- Recoverable Coal
- Recoverable Proved Reserves
- Recoverable Reserves
- Recoverable Reserves, Estimated Recoverable Reserves(coal)
- Recovery Factor (coal)
- Recovery Percentage (coal)
- Recs
- Rectifier
- Recycled Feeds
- Recycling
- Redox Potential
- Redrill Footage
- Reduced Use-off Hours
- Reference Month
- Reference Year
- Refined Petroleum Products
- Refiner
- Refiner Acquisition Cost Of Crude Oil
- Refinery
- Refinery And Blender Net Inputs
- Refinery And Blender Net Production
- Refinery Capacity Utilization
- Refinery Fuel
- Refinery Gas
- Refinery Input, Crude Oil
- Refinery Input, Total
- Refinery Losses And Gains
- Refinery Output
- Refinery Production
- Refinery Utilization Rate
- Refinery Yield
- Refinery-grade Butane
- Reflective Film
- Reflectivity
- Reforestation
- Reformulated Blendstock For Oxygenate Blending (rbob)
- Reformulated Gasoline
- Refrigeration Unit
- Refunding
- Refuse Bank
- Refuse Mine
- Refuse Recovery
- Refuse-derived Fuel (rdf)
- Regional Reserves, Regional Reserve Estimates (coal)
- Regional Transmission Group
- Regular Grade Gasoline
- Regulated Entity
- Regulated Streamflow
- Regulation
- Regulation, Procedures, And Practices
- Reheating Coils
- Reid Vapor Pressure (rvp)
- Reinjected
- Reinserted Fuel
- Reinsertion
- Reliability (electric System)
- Reliability Coordinator (electric)
- Relocation Of Tailings
- Remaining (resources/reserves) (coal)
- Renewable Diesel Fuel (other)
- Renewable Energy Resources
- Renewable Fuels (other)
- Replacement Energy Source For Primary Heating
- Replacement Vehicle
- Report State
- Report Week
- Report Year (calendar)
- Report Year (fiscal)
- Reporting
- Repowering
- Repressuring
- Reprocessing
- Requirements Power
- Reregulation
- Resale (wholesale) Sales
- Research And Development (rd)
- Reseller
- Reserve
- Reserve Additions
- Reserve Cost Categories Of $15, $30, $50, And$100 Per Pound U3o8
- Reserve Generating Capacity
- Reserve Margin (operating)
- Reserve Revisions
- Reserves Changes
- Reserves, Coal
- Reserves, Energy
- Reserves, Net
- Reservoir
- Reservoir Capacity
- Reservoir Repressuring
- Residential Building
- Residential Consumers
- Residential Energy Consumption Survey (recs)
- Residential Heating Oil Price
- Residential Propane Price
- Residential Sector
- Residential Type Central Air Conditioner
- Residential Vehicles
- Residential/commercial (consumer Category)
- Residual Fuel Oil
- Residue Gas
- Residuum
- Resources (coal)
- Respondent
- Restoration Time
- Restricted-universe Census
- Restructuring
- Retail Motor Gasoline Prices
- Retail Sales (electric)
- Retailer
- Retained Earnings
- Retire From Service
- Retired Hydropower Plant Sites
- Return On Common Equity
- Return On Common Stock Equity
- Revenue - (electricity)
- Revenue Requirement
- Reversible Turbine
- Revisions And Additions (gross Change Inreserves)
- Rfg
- Ribbon Silicon
- Right-of-way
- Right-of-way (electric)
- Rip Rap
- River (method Of Transportation To Consumers - Coal)
- Road Oil
- Rodlet Or Gad Basket
- Roll Front
- Roof (coal)
- Roof Insulation
- Roof Or Ceiling Insulation
- Roof Or Ceiling Insulation, Insulation In Exteriorwalls
- Roof Pond
- Room Air Conditioner
- Room Heater Burning Gas, Oil, And Kerosene
- Room-and-pillar Mining
- Rotary Rig
- Round Test Mesh
- Roundwood
- Royalty
- Royalty Cost
- Royalty Interest
- Royalty Interest (including Overriding Royalty)
- Rse
- Rulemaking (regulations)
- Run Off
- Run-of-mine Coal
- Run-of-river Hydroelectric Plant
- Running And Quick-start Capability
- Rural Electrification Administration (rea)
- Rvp
- Salable Coal
- Salable Natural Gas
- Sales
- Sales For Resale
- Sales For Resale (electric)
- Sales To End Users
- Sales Type
- Sales Volume (coal)
- Salt Dome
- Salt Gradient Solar Ponds
- Sample (coal)
- Schedule
- Scheduled Outage
- Scheduling Coordinators
- Scoop Loading
- Screenings
- Seam
- Seasonal Energy Efficiency Ratio (seer)
- Seasonal Pricing
- Seasonal Rates
- Seasonal Units
- Seasoned Wood
- Secondary Heating Equipment
- Secondary Heating Fuel
- Sector
- Securitization
- Securitize
- Seer
- Selective Absorber
- Self-generator
- Seller Type
- Semianthracite
- Semiconductor
- Separate Metering
- Separative Work Unit (swu)
- Septic Tank
- Series Connection
- Series Resistance
- Service Area
- Service Provider
- Service Well
- Sf6
- Shaft Mine
- Shakes/shingles
- Shallow Pitting
- Shell Storage Capacity
- Short Circuit
- Short Circuit Current
- Short Purchases
- Short Term Sales
- Short Ton
- Short-term Debt Or Borrowings
- Short-term Purchase
- Shortwall Mining
- Shrinkage
- Shut In
- Shut-in Royalty
- Shutdown Date
- Si
- Sic
- Sidetrack Drilling
- Siding
- Silicon
- Silt
- Silt, Culm, Refuse Bank, Or Slurry Dam Mining
- Single Crystal Silicon
- Single Crystal Silicon (czochralsky)
- Single Purpose Project
- Single-circuit Line
- Single-family Housing Unit
- Sinter
- Site Characterization
- Site Energy
- Site Energy Consumption
- Site-specific Information Dsm Program Assistance
- Slope Mine
- Slot
- Sludge
- Slurry
- Slurry Dam
- Small Pickup Truck
- Small Power Producer (spp)
- Sng
- So2
- Sodium Lights
- Sodium Silicate
- Sodium Tripolyphosphate
- Solar Cell
- Solar Constant
- Solar Cooling
- Solar Declination
- Solar Dish
- Solar Energy
- Solar Pond
- Solar Power Tower
- Solar Radiation
- Solar Spectrum
- Solar Thermal Collector
- Solar Thermal Collector, High Temperature
- Solar Thermal Collector, Low-temperature
- Solar Thermal Collector, Medium-temperature
- Solar Thermal Collector, Special
- Solar Thermal Panels
- Solar Thermal Parabolic Dishes
- Solar Trough Or Solar Parabolic Trough
- Source Material
- Space Heating
- Special Collector
- Special Contract Rate Schedule
- Special Naphthas
- Special Nuclear Material
- Special Purpose Rate Schedule
- Specular Reflectors
- Speculative Resources (coal)
- Speculative Resources (uranium)
- Spent Fuel
- Spent Fuel Disassembly Hardware
- Spent Liquor
- Spillway
- Spinning Reserve
- Split System
- Split Tails
- Spontaneous Combustion, Or Self-heating, Of Coal
- Spot Market (natural Gas)
- Spot Market (uranium)
- Spot Price
- Spot Purchases
- Spot-market Price
- Spp
- Spr
- Sr
- Sr
- Stability
- Stability (electric)
- Stabilization Lagoon
- Stack
- Stand-alone Generator
- Standard Contract
- Standard Fluorescent
- Standard Industrial Classification (sic)
- Standby Charge
- Standby Electricity Generation
- Standby Facility
- Standby Heat Loss
- Standby Service
- Startup Test Phase Of Nuclear Power Plant
- Startup/flame Stabilization Fuel
- State
- State Permit/license/mine Number
- State Severance Taxes
- Station (electric)
- Station Use
- Steam
- Steam (purchased)
- Steam Boiler
- Steam Coal
- Steam Electric Power Plant (conventional)
- Steam Expenses
- Steam For Heating/cooling
- Steam From Other Sources
- Steam Or Hot Water Radiators Or Baseboards
- Steam Or Hot-water System
- Steam Transferred-credit
- Steam Turbine
- Still Gas (refinery Gas)
- Stock Change
- Stocks
- Storage Additions
- Storage Agreement
- Storage Capacity
- Storage Field Capacity (underground Gasstorage)
- Storage Hydroelectric Plant
- Storage Site
- Storage Withdrawals
- Storm Door
- Storm Or Multiple Glazing
- Storm Window
- Stranded Benefits
- Stranded Costs
- Strategic Petroleum Reserve (spr)
- Stratigraphic Test Well
- Stratosphere
- Stream-flow
- Strip Mine
- Strip Mining (surface)
- Strip Or Stripping Ratio
- Stripper Well
- Styrene
- Subbituminous Coal
- Subcompact/compact Passenger Car
- Subdivision
- Submetered Data
- Subsidiary
- Substation
- Subtransmission
- Sulfur
- Sulfur Dioxide (so2)
- Sulfur Hexafluoride (sf6)
- Sulfur Oxides (sox)
- Summer And Winter Peaking
- Sunk Cost
- Superconductivity
- Supervisory Control And Data Acquisition (electric)
- Supplemental Gas
- Supplemental Gaseous Fuels Supplies
- Supply
- Supply Source
- Supply, Petroleum
- Support Equipment And Facilities
- Supporting Structure
- Surface Drilling Expenses (uranium)
- Surface Mine
- Surface Mining Equipment
- Surface Mining Methods
- Surface Rights
- Surplus Energy
- Suspended Rates
- Swamp Coolers (evaporative Coolers)
- Switching Station
- Swu
- Synthetic Natural Gas (sng)
- System (electric)
- System (gas)
- System Interconnection
- System Operator (electric)
- T
- T
- Tailings
- Tall Oil
- Tame
- Tangible Development Costs
- Tank Farm
- Tanker And Barge
- Tar Sands
- Tariff
- Tax-cost
- Tba
- Telemetring (electric)
- Temperature Coefficient (of A Solar Photovoltaiccell)
- Temporarily Discharged Fuel
- Tennessee Valley Authority (tva)
- Terawatthour
- Term Agreement
- Terminal Location
- Tertiary Amyl Methyl Ether - (ch3)2(c2h5)coch3
- Tertiary Butyl Alcohol - (ch3)3coh
- Test Well Contribution
- Th
- Therm
- Thermal
- Thermal Conversion Factor
- Thermal Cracking
- Thermal Efficiency
- Thermal Energy Storage
- Thermal Limit
- Thermal Rating (electric)
- Thermal Resistance (r-value)
- Thermal Storage
- Thermocouple
- Thermodynamics
- Thermophotovoltaic Cell
- Thermosiphon System
- Thermostat
- Third-party Dsm Program Sponsor
- Third-party Transactions
- Thorium
- Three-phase Power
- Tidewater Piers And Coastal Ports (method Oftransportation To Consumers)
- Tie Line
- Tie Line (electric)
- Time Clocks Or Timed Switches
- Time-of-day Lock-out Or Limit
- Time-of-day Pricing
- Time-of-day Rate
- Timing Differences
- Tinted Or Reflective Glass Or Shading Films
- Tipping Fee
- Tipple
- Tolling Arrangement
- Toluene (c6h5ch3)
- Ton Mile
- Topping Cycle
- Total Discoveries
- Total Gas In Storage
- Total Liquid Hydrocarbon Reserves
- Total Operated Basis
- Transfer Capability
- Transfer Price
- Transformer
- Transit Receipts
- Transmission (electric)
- Transmission (electric) (verb)
- Transmission And Distribution Loss
- Transmission Circuit
- Transmission Constraint (electric)
- Transmission Line
- Transmission Line (electric)
- Transmission Network
- Transmission Operator (electric)
- Transmission Owner (electric)
- Transmission Service Provider (electric)
- Transmission System (electric)
- Transmission Type (engine)
- Transmitting Utility
- Transport
- Transportation Agreement
- Transportation Energy Expenditures
- Transportation Sector
- Transported Gas
- Transporter
- Transshipment
- Treating Plant
- Trillion Btu
- Troposphere
- Trough
- Trunk Line
- Turbine
- Tva
- Twh
- Type Of Drive (vehicle)
- U.s. Refiner Acquisition Cost Of Imported Crude Oil
- U.s.s.r.
- U3o8
- Uf6
- Ulcc
- Ultimate Customer
- Ultra-low Sulfur Diesel (ulsd) Fuel
- Ultraviolet
- Umtra
- Unaccounted For (crude Oil)
- Unaccounted For (natural Gas)
- Unbundling
- Uncompleted Wells, Equipment, And Facilities Costs
- Unconsolidated Entity
- Unconventional Oil And Natural Gas Production
- Underground Gas Storage
- Underground Gas Storage Reservior Capacity
- Underground Mine
- Underground Mining Equipment
- Underground Mining Methods
- Underground Storage
- Underground Storage Injections
- Underground Storage Withdrawals
- Undifferentiated/unspecifiedreserves And Production
- Undiscovered Recoverable Reserves (crude Oil And Natural Gas)
- Undiscovered Resources (coal)
- Unfilled Requirements
- Unfinished Oils
- Unfractionated Streams
- Unglazed Solar Collector
- Uniform System Of Accounts
- Union Of Soviet Socialist Republics (u.s.s.r.)
- Unit Price
- Unit Value, Consumption
- Unit Value, Wellhead
- United States
- Unleaded Midgrade Gasoline
- Unleaded Premium Gasoline
- Unleaded Regular Gasoline
- Unprocessed Gas
- Unregulated Entity
- Unscheduled Outage Service
- Uranium (u)
- Uranium Concentrate
- Uranium Deposit
- Uranium Endowment
- Uranium Hexaflouride (uf6)
- Uranium Importation
- Uranium Mill
- Uranium Mill Tailings
- Uranium Mill Tailings Radiation Control Act (umtra) Of 1978
- Uranium Ore
- Uranium Oxide
- Uranium Reserves
- Uranium Resource Categories (international)
- Usace (sometimes Shortened To Usce In Eia Tables)
- Usbr
- Useage Agreement
- Used And Useful
- Utility
- Utility Demand-side Management Costs
- Utility Distribution Companies
- Utility Generation
- Utility-sponsored Conservation Program
- V
- Vacuum Distillation
- Value (of Shipments)
- Value Added By Manufacture
- Vapor Displacement
- Vapor Retarder
- Vapor-dominated Geothermal System
- Variable Air Volume (vav) System On The Heating And Cooling System
- Variable Fuel Vehicle
- Variable-speed Wind Turbines
- Vawt
- Vehicle Fuel Consumption
- Vehicle Fuel Efficiencies
- Vehicle Fuel Expenditures
- Vehicle Identification Number (vin)
- Vehicle Importer
- Vehicle Miles Traveled (vmt)
- Vented
- Vented Natural Gas
- Vented/flared
- Ventilation System
- Vertical Integration
- Vertical-axis Wind Turbine (vawt)
- Vessel
- Vessel Bunkering
- Vin
- Vin (vehicle Identification Number)
- Virgin Coal
- Visbreaking
- Vlcc
- Vmt
- Voc
- Volatile Matter
- Volatile Organic Compounds (vocs)
- Volatile Solids
- Volt (v)
- Voltage
- Voltage Reduction
- Volumetric Wires Charge
- W
- Wacog
- Wafer
- Walk-in Refrigeration Units
- Wall Insulation
- Warm-air Furnace
- Warranty Contracts
- Waste
- Waste Coal
- Waste Energy
- Waste Heat Boiler
- Waste Heat Recovery
- Waste Materials
- Waste Oils And Tar
- Wastewater, Domestic And Commercial
- Wastewater, Industrial
- Water Bed Heater
- Water Conditions
- Water Heated In Furnace
- Water Heater
- Water Heating Dsm Programs
- Water Heating Equipment
- Water Pollution Abatement Equipment
- Water Pumping
- Water Reservoir
- Water Source Heat Pump
- Water Turbine
- Water Vapor
- Water Well
- Water Wheel
- Waterway
- Watt (w)
- Watthour (wh)
- Wattmeter
- Wax
- Weather Normalization
- Weather Stripping Or Caulking
- Weir
- Well
- Well Water For Cooling
- Wellhead
- Wellhead Price
- Wet Bottom Boiler
- Wet Natural Gas
- Wh
- Wheeling Charge
- Wheeling Service
- White Spirit
- Whole-house Colling Fan
- Wholesale Competition
- Wholesale Electric Power Market
- Wholesale Power Market
- Wholesale Price
- Wholesale Sales
- Wholesale Transmission Services
- Wholesale Wheeling
- Wi
- Wind Energy
- Wind Energy Conversion System (wecs) Or Device
- Wind Farm
- Wind Power Plant
- Wind Turbine
- Wires Charge
- Wood Conversion To Btu
- Wood Energy
- Wood Pellets
- Working (top Storage) Gas
- Working Interest
- Working Storage Capacity
- Wti
- Xylene (c6h4(ch3)2)
- Yellowcake
Q
R
S
T
U
V
W
X
Y
Source: U.S. Energy Information Administration (Oct 2008).
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