Content and Layout of the Annual Electric Generator Report (EIA-860) Data Files for 2009 (v1.0)

Note: The actual file names include a suffix with the applicable data year. For more information and historic data go to www.eia.doe.gov/cneaf/electricity/page/eia860.html.

Field Name Description Notes

Utility

Plant

Generator /

Exist

Generator /

Prop

Generator /

Ret_IP

Owner

MultiFuel /

Exist

MultiFuel /

Prop

MultiFuel /

Ret_IP

Interconnect

EnviroAssoc /

Boiler_Gen

EnviroAssoc /

Boiler_Cool

EnviroAssoc /

Boiler_FGD

EnviroAssoc /

Boiler_FGP

EnviroAssoc /

Boiler_SF

EnviroEquip /

Boiler

EnviroEquip /

Controls

EnviroEquip /

Cooling

EnviroEquip /

FGD

EnviroEquip /

FGP

EnviroEquip /

StackFlue

UTILITY_ID

EIA-assigned identification number for the 

company that is responsible for the day-to-day 

operations of the generator

x x x x x x x x x x x x x x x x x x x x x

UTILITY_NAME

Legal name of the company that is 

responsible for the day-to-day operations of 

the generator 

x x x x x x x x x x x x x x x

PLANT_CODE EIA-assigned plant code x x x x x x x x x x x x x x x x x x x x

PLANT_NAME Plant name x x x x x x x x x x x x x x x

STATE Plant state x x x x x x x x x x x x x x x

COUNTY Plant county x x x x x x x x x x x x x x

GENERATOR_ID Generator identification number x x x x x x x x x

INTERCONNECTION_MONTH Month that the interconnection occurred x

INTERCONNECTION_YEAR Year that the interconnection occurred x

INTERCONNECTION_REQUEST_MONTH Month that the first request for interconnection 

was filed with the grid operator x

INTERCONNECTION_REQUEST_YEAR Year that the first request for interconnection 

was filed with the grid operator x

INTERCONNECTION_CITY Nearest city or town where the interconnection 

equipment is located x

INTERCONNECTION_STATE State of nearest city or town where the 

interconnection equipment is located x

GRID_VOLTAGE

Grid voltage in kV at the point of 

interconnection between the generator and the 

grid

x

TRANSMISSION_OWNERNAME

Name of the owner of the transmission or 

distribution facilities to which the generator is 

interconnected

x

INTERCONNECTION_COST Total cost incurred (in thousand dollars) to 

accomplish the physical interconnection x

TRANSMISSION_LINE

Indicates whether the transmission or 

distribution lines, transformers, protective 

devices, substation or switching stations, 

and/or other equipment, as appropriate, are 

included in the interconnection cost

Yes / No x

TRANSFORMER

Indicates whether the transmission or 

distribution lines, transformers, protective 

devices, substation or switching stations, 

and/or other equipment, as appropriate, are 

included in the interconnection cost

Yes / No x

PROTECTIVE_DEVICES

Indicates whether the transmission or 

distribution lines, transformers, protective 

devices, substation or switching stations, 

and/or other equipment, as appropriate, are 

included in the interconnection cost

Yes / No x

SUBSTATION

Indicates whether the transmission or 

distribution lines, transformers, protective 

devices, substation or switching stations, 

and/or other equipment, as appropriate, are 

included in the interconnection cost

Yes / No x

OTHER_EQUIPMENT

Indicates whether the transmission or 

distribution lines, transformers, protective 

devices, substation or switching stations, 

and/or other equipment, as appropriate, are 

included in the interconnection cost

Yes / No x

GRID_ENHANCEMENT_COST

Amount incurred for any other grid 

enhancements or reinforcements that were 

needed to accommodate power deliveries 

from the new generator

x

GRID_COST_REPAID

Indicates whether the grid enhancement 

costs, or some portion of them, will be repaid 

to the company at some point by the owner of 

the grid, or by the party with whom the 

company contracted for the interconnection

Yes / No x

TRANSMISSION_RIGHTS_SECURED

Indicates whether the specific transmission 

use rights were secured as a result of the 

interconnection costs incurred

Yes / No x
Field Name Description Notes

Utility

Plant

Generator /

Exist

Generator /

Prop

Generator /

Ret_IP

Owner

MultiFuel /

Exist

MultiFuel /

Prop

MultiFuel /

Ret_IP

Interconnect

EnviroAssoc /

Boiler_Gen

EnviroAssoc /

Boiler_Cool

EnviroAssoc /

Boiler_FGD

EnviroAssoc /

Boiler_FGP

EnviroAssoc /

Boiler_SF

EnviroEquip /

Boiler

EnviroEquip /

Controls

EnviroEquip /

Cooling

EnviroEquip /

FGD

EnviroEquip /

FGP

EnviroEquip /

StackFlue

PRIME_MOVER

EIA assigned code for the prime mover (i.e. 

the engine, turbine, water wheel, or similar 

machine that drives an electric generator)

See Table 1 in tab 'Reference 

Tables I'

xxxxxx

STATUS The operating status of the generator

See Tables 3a, 3b and 3c in tab 

'Reference Tables I'

xxxx

OWNERSHIP_ID EIA-assigned owner's identification numberx

OWNER_NAME Name of ownerx

OWNER_STATE State for ownerx

PERCENT_OWNED Percent of generator ownershipx

MULTIPLE_FUELS

Indicates whether the combustion system that 

will power each proposed generator expects to 

have the regulatory permits necessary to fuel 

switch

Yes / No

xxxxxx

COFIRE_FUELS

Indicates whether the combustion system that 

will power each proposed generator expects to 

have the regulatory permits necessary to cofire fuels

Yes / No

xxx

COFIRE_ENERGY_SOURCE_1 The codes representing the type of fuel that 

will be co-fired

See Table 2 in tab 'Reference 

Tables I'

xxx

COFIRE_ENERGY_SOURCE_2 The codes representing the type of fuel that 

will be co-fired

See Table 2 in tab 'Reference 

Tables I'

xxx

COFIRE_ENERGY_SOURCE_3 The codes representing the type of fuel that 

will be co-fired

See Table 2 in tab 'Reference 

Tables I'

xxx

COFIRE_ENERGY_SOURCE_4 The codes representing the type of fuel that 

will be co-fired

See Table 2 in tab 'Reference 

Tables I'

xxx

COFIRE_ENERGY_SOURCE_5 The codes representing the type of fuel that 

will be co-fired

See Table 2 in tab 'Reference 

Tables I'

xxx

COFIRE_ENERGY_SOURCE_6 The codes representing the type of fuel that 

will be co-fired

See Table 2 in tab 'Reference 

Tables I'

xxx

COFIRE_OIL_GAS Indicates whether the proposed unit expects 

to be able to co-fire fuel oil with natural gas Yes / No

xxx

COFIRE_100_OIL Indicates whether the proposed unit is 

expected to be able to run on 100 percent oil Yes / No

xxx

MAX_OIL_HEAT

The maximum oil heat input (% of MMBtus) 

expected for proposed unit when co-firing with 

natural gas

xxx

MAX_OIL_OUTPUT

The maximum output (net MW) expected for 

proposed unit, when making the maximum 

use of oil and co-firing natural gas

xxx

FUEL_SWITCH Indicates whether unit will be able to switch 

fuels Yes / No

xxx

FUEL_SWITCH_OIL_GAS Indicates whether the unit can co-fire fuel oil 

with natural gas Yes / No

xxx

NET_SUMMER_CAPACITY_NG

The maximum output (summer net MW) that 

the unit is expected to achieve, taking into 

account all applicable legal, regulatory, and 

technical limits, when running on natural gas

xxx

NET_SUMMER_CAPACITY_OIL

The maximum output (summer net MW) that 

the unit is expected to achieve, taking into 

account all applicable legal, regulatory, and 

technical limits, when running on oil

xxx

TIME_TO_SWITCH

The amount of time it is expected to take to 

switch the generator from using 100 percent 

natural gas to 100 percent oil

0 to 6 hours 

over 6 to 24 hours 

over 24 to 72 hours

over 72 hours.

Unknown or uncertain

xxx

REGULATORY_LIMITS

Indicates whether there are factors that limit 

the operation of the generator when running 

on 100 percent oil

Yes / No

xxx

STORAGE_LIMITS

Indicates that limited on site fuel storage is a 

factor that limits the operation of the generator 

when running on 100 percent oil

Yes / No

xxx

AIRPERMIT_LIMITS

Indicates that air permit limits is a factor that 

limits the operation of the generator when 

running on 100 percent oil

Yes / No

xxx

OTHER_LIMITS

Indicates that there are other factors that limit 

the operation of the generator when running 

on 100 percent oil

Yes / No

xxx
Field Name Description Notes

Utility

Plant

Generator /

Exist

Generator /

Prop

Generator /

Ret_IP

Owner

MultiFuel /

Exist

MultiFuel /

Prop

MultiFuel /

Ret_IP

Interconnect

EnviroAssoc /

Boiler_Gen

EnviroAssoc /

Boiler_Cool

EnviroAssoc /

Boiler_FGD

EnviroAssoc /

Boiler_FGP

EnviroAssoc /

Boiler_SF

EnviroEquip /

Boiler

EnviroEquip /

Controls

EnviroEquip /

Cooling

EnviroEquip /

FGD

EnviroEquip /

FGP

EnviroEquip /

StackFlue

FUEL_SWITCH_ENERGY_SOURCE_1

The codes representing the type of fuel that 

will be able to be used as a sole source of fuel 

for this unit

See Table 2 in tab 'Reference 

Tables I'

xxx

FUEL_SWITCH_ENERGY_SOURCE_2

The codes representing the type of fuel that 

will be able to be used as a sole source of fuel 

for this unit

See Table 2 in tab 'Reference 

Tables I'

xxx

FUEL_SWITCH_ENERGY_SOURCE_3

The codes representing the type of fuel that 

will be able to be used as a sole source of fuel 

for this unit

See Table 2 in tab 'Reference 

Tables I'

xxx

FUEL_SWITCH_ENERGY_SOURCE_4

The codes representing the type of fuel that 

will be able to be used as a sole source of fuel 

for this unit

See Table 2 in tab 'Reference 

Tables I'

xxx

FUEL_SWITCH_ENERGY_SOURCE_5

The codes representing the type of fuel that 

will be able to be used as a sole source of fuel 

for this unit

See Table 2 in tab 'Reference 

Tables I'

xxx

FUEL_SWITCH_ENERGY_SOURCE_6

The codes representing the type of fuel that 

will be able to be used as a sole source of fuel 

for this unit

See Table 2 in tab 'Reference 

Tables I'

xxx

NAMEPLATE The highest value on the generator nameplate 

in megawatts rounded to the nearest tenth

xxx

SUMMER_CAPABILITY The net summer capacityxxx

WINTER_CAPABILITY The net winter capacityxxx

SUMMER_ESTIMATED_CAPABILITY EIA estimated summer capacity (in MWh)x

WINTER_ESTIMATED_CAPABILITY EIA estimated winter capacity (in MWh)x

UNIT_CODE

Multi-generator code that identifies all 

generators that are operated with other 

generators as a single unit

OPERATING_MONTH Month the generator began commercial 

operation

xx

OPERATING_YEAR Year the generator began commercial 

operation

xx

RETIREMENT_MONTH Month the generator retiredx

RETIREMENT_YEAR Year the generator retiredx

EFFECTIVE_MONTH The original effective month on which the 

generator was scheduled to start operation

x

EFFECTIVE_YEAR The original effective year on which the 

generator was scheduled to start operation

x

CURRENT_MONTH

The most recently updated effective month on 

which the generator is scheduled to start 

operation

x

CURRENT_YEAR

The most recently updated effective year on 

which the generator is scheduled to start 

operation

x

ENERGY_SOURCE_1 The code representing the most predominant 

type of energy that fuels the generator

See Table 2 in tab 'Reference 

Tables I'

xxx

ENERGY_SOURCE_2

The code representing the second most 

predominant type of energy that fuels the 

generator

See Table 2 in tab 'Reference 

Tables I'

xxx

ENERGY_SOURCE_3

The code representing the third, fourth, fifth 

and sixth most predominant type of energy 

that fuels the generator

See Table 2 in tab 'Reference 

Tables I'

xxx

ENERGY_SOURCE_4

The code representing the third, fourth, fifth 

and sixth most predominant type of energy 

that fuels the generator

See Table 2 in tab 'Reference 

Tables I'

xxx

ENERGY_SOURCE_5

The code representing the third, fourth, fifth 

and sixth most predominant type of energy 

that fuels the generator

See Table 2 in tab 'Reference 

Tables I'

xxx

ENERGY_SOURCE_6

The code representing the third, fourth, fifth 

and sixth most predominant type of energy 

that fuels the generator

See Table 2 in tab 'Reference 

Tables I'

xxx

OPERATING_SWITCH Indicates whether the proposed unit will be 

able to switch fuels while operating Yes / No

xxx

DELIVER_POWER_TRANSGRID Indicate whether the generator can deliver 

power to the transmission grid

xx

SYNCHRONIZED_GRID Indicates whether standby generators (SB 

status) can be synchronized to the grid Yes / No

xx

OWNERSHIP Identifies the ownership for each generator

S=Single ownership

J= Joint ownership

W=Wholly owned by an other entity

xxx

TURBINES Number of wind turbines xxx
Field Name Description Notes

Utility

Plant

Generator /

Exist

Generator /

Prop

Generator /

Ret_IP

Owner

MultiFuel /

Exist

MultiFuel /

Prop

MultiFuel /

Ret_IP

Interconnect

EnviroAssoc /

Boiler_Gen

EnviroAssoc /

Boiler_Cool

EnviroAssoc /

Boiler_FGD

EnviroAssoc /

Boiler_FGP

EnviroAssoc /

Boiler_SF

EnviroEquip /

Boiler

EnviroEquip /

Controls

EnviroEquip /

Cooling

EnviroEquip /

FGD

EnviroEquip /

FGP

EnviroEquip /

StackFlue

COGENERATOR Indicates whether the generator is associated 

with a combined heat and power system Yes / No

xxx

SECTOR_NAME

Plant-level sector name, designated by the 

primary purpose, regulatory status and plantlevel combined heat and power status

Commercial; Electric Utility; 

Industrial; Non-Combined Heat and 

Power Independent Power 

Producer (IPP); Combined Heat 

and Power (IPP CHP)

xx

SECTOR_NUMBER

Plant-level sector number, designated by the 

primary purpose, regulatory status and plantlevel combined heat and power status

1 = Electric Utility

2 = Independent Power Producer, 

Non-Combined Heat and Power

3 = Independent Power Producer, 

Combined Heat and Power

4 = Commercial, Non-Combined 

Heat and Power

5 = Commercial, Combined Heat 

and Power

6 = Industrial, Non-Combined Heat 

and Power

7 = Industrial, Combined Heat and 

Power

xx

TOPPING_BOTTOMING

If the generator is associated with a combined 

heat and power system, indicates whether the 

generator is part of a topping cycle or a 

bottoming cycle

T = Topping

B = Bottoming

xx

DUCT_BURNERS

Indicates whether the unit has duct-burners for 

supplementary firing of the turbine exhaust 

gas

xx

PLANNED_MODIFICATIONS

Indicates whether there are any planned 

capacity uprates/derates, repowering, other 

modifications, or generator retirements 

scheduled for the next 5 years

Yes / No

xx

PLANNED_UPRATES_NET_SUMMER_CAP

Increase in summer capacity expected to be 

realized from the modification to the 

equipment

xx

PLANNED_UPRATES_NET_WINTER_CAP

Increase in winter capacity expected to be 

realized from the uprate modification to the 

equipment

xx

PLANNED_UPRATES_MONTH

Planned effective month that the generator is 

scheduled to enter operation after the uprate 

modification

xx

PLANNED_UPRATES_YEAR

Planned effective year that the generator is 

scheduled to enter operation after the uprate 

modification

xx

PLANNED_DERATES_NET_SUMMER_CAP

Decrease in summer capacity expected to be 

realized from the derate modification to the 

equipment

xx

PLANNED_DERATES_NET_WINTER_CAP

Decrease in winter capacity expected to be 

realized from the derate modification to the 

equipment

xx

PLANNED_DERATES_MONTH

Planned effective month that the generator is 

scheduled to enter operation after the derate 

modification

xx

PLANNED_DERATES_YEAR

Planned effective year that the generator is 

scheduled to enter operation after the derate 

modification

xx

PLANNED_NEW_PRIMEMOVER New prime mover for the planned repowered 

generator

See Table 1 in tab 'Reference 

Tables I'

xx

PLANNED_ENERGY_SOURCE_1 New energy source code for the planned 

repowered generator

See Table 2 in tab 'Reference 

Tables I'

xx

PLANNED_REPOWER_MONTH

Planned effective month that the generator is 

scheduled to enter operation after the 

repowering is complete

xx

PLANNED_REPOWER_YEAR

Planned effective year that the generator is 

scheduled to enter operation after the 

repowering is complete

xx

OTHER_MODS Indicates whether there are there other 

modifications planned for the generator Yes / No

xx

OTHER_MOD_MONTH

Planned effective month that the generator is 

scheduled to enter commercial operation after 

any other planned modification is complete

xx
Field Name Description Notes

Utility

Plant

Generator /

Exist

Generator /

Prop

Generator /

Ret_IP

Owner

MultiFuel /

Exist

MultiFuel /

Prop

MultiFuel /

Ret_IP

Interconnect

EnviroAssoc /

Boiler_Gen

EnviroAssoc /

Boiler_Cool

EnviroAssoc /

Boiler_FGD

EnviroAssoc /

Boiler_FGP

EnviroAssoc /

Boiler_SF

EnviroEquip /

Boiler

EnviroEquip /

Controls

EnviroEquip /

Cooling

EnviroEquip /

FGD

EnviroEquip /

FGP

EnviroEquip /

StackFlue

OTHER_MOD_YEAR

Planned effective year that the generator is 

scheduled to enter commercial operation after 

any other planned modofication is complete

xx

PLANNED_RETIREMENT_MONTH Planned effective month of the scheduled 

retirement of the generator

x

PLANNED_RETIREMENT_YEAR Planned effective year of the scheduled 

retirement of the generator

x

SFG_SYSTEM Indicates whether the generator is part of a 

solid fuel gasification system Yes / No

xxx

PULVERIZED_COAL Indicates that the generator uses pulverized 

coal technology

xxx

FLUIDIZED_BED Indicates that the generator uses fluidized bed 

technology

xxx

SUBCRITICAL Indicates that the generator uses subcritical 

technology

xxx

SUPERCRITICAL Indicates that the generator uses supercritical 

technology

xxx

ULTRASUPERCRITICAL Indicates that the generator uses ultrasupercritical technologyxxx

CARBONCAPTURE Indicates that the generator uses carbon 

capture technology

xxx

STARTUP_SOURCE_1

The code representing the first, second, third 

or fourth start-up and flame stabilization 

energy source used by the combustion unit(s) 

associated with this generator

See Table 2 in tab 'Reference 

Tables I'

xxx

STARTUP_SOURCE_2

The code representing the first, second, third 

or fourth start-up and flame stabilization 

energy source used by the combustion unit(s) 

associated with this generator

See Table 2 in tab 'Reference 

Tables I'

xxx

STARTUP_SOURCE_3

The code representing the first, second, third 

or fourth start-up and flame stabilization 

energy source used by the combustion unit(s) 

associated with this generator

See Table 2 in tab 'Reference 

Tables I'

xxx

STARTUP_SOURCE_4

The code representing the first, second, third 

or fourth start-up and flame stabilization 

energy source used by the combustion unit(s) 

associated with this generator

See Table 2 in tab 'Reference 

Tables I'

xxx

UTILITY_ATTENTION_LINE Mail attention name of the operator/owner

x

UTILITY_PO_BOX_LINE Post office box address of the operator/owner

x

UTILITY_STREET_ADDRESS Street address of the operator/owner

x

UTILITY_CITY

Name of the city in which operator/owner is 

located

x

UTILITY_STATE State of the operator/owner

x

UTILITY_ZIP5 Zip code of the operator/owner

x

UTILITY_ZIP4 Zip code extension of the operator/owner

x

CONTACT_FIRSTNAME First name of primary contact

x

CONTACT_NAME Last name of primary contact

x

CONTACT_TITLE Title of primary contact

x

CONTACT_FIRSTNAME2 First name of primary contact's supervisor

x

CONTACT_NAME2 Last name of primary contact's supervisor

x

CONTACT_TITLE2 Title of primary contact's supervisor

x

STREET_ADDRESS Street address of the power plantx

CITY Name of the city in which the plant is locatedx

ZIP5 Zip code of the plantx

NAME_OF_WATER_SOURCE

Name of the principal source from which 

cooling water for thermal-electric plants and 

water for generating power for hydroelectric 

plants is directly obtained

xxxxxxx

NERC NERC region in which the plant is located See Table 4 in tab 'Reference 

Tables I'

x

PRIMARY_PURPOSE

North American Industry Classification System 

(NAICS) code that best describes the primary 

purpose of the reporting plant

x

OWNERTRANSDIST

Name of the owner of the transmission or 

distribution system to which the plant is 

interconnected

x
Field Name Description Notes

Utility

Plant

Generator /

Exist

Generator /

Prop

Generator /

Ret_IP

Owner

MultiFuel /

Exist

MultiFuel /

Prop

MultiFuel /

Ret_IP

Interconnect

EnviroAssoc /

Boiler_Gen

EnviroAssoc /

Boiler_Cool

EnviroAssoc /

Boiler_FGD

EnviroAssoc /

Boiler_FGP

EnviroAssoc /

Boiler_SF

EnviroEquip /

Boiler

EnviroEquip /

Controls

EnviroEquip /

Cooling

EnviroEquip /

FGD

EnviroEquip /

FGP

EnviroEquip /

StackFlue

OWNERTRANSID

EIA-assigned code for owner of 

transmission/distribution system to which the 

plant is interconnected

x

OWNERSTATE

State location for owner of 

transmission/distribution system to which the 

plant is interconnected

x

REGULATORY_STATUS Indicates whether the plant is regulated or nonregulatedx

FERC_COGEN Indicates of whether the plant has FERC 

qualifying facility cogenerator status Yes / No

x

FERC_COGEN_DOCKET The docket number relating to the FERC 

qualifying facility cogenerator status

x

FERC_SMALL_POWER Indicates of whether the plant has FERC 

qualifying facility small power producer status Yes / No

x

FERC_SMALL_POWER_DOCKET The docket number relating to the FERC 

qualifying facility small power producer status

x

FERC_EXEMPT_WHOLESALE

Indicates of whether the plant has FERC 

qualifying facility exempt wholesale generator 

status

Yes / No

x

FERC_EXEMPT_WHOLESALE_DOCKET

The docket number relating to the FERC 

qualifying facility exempt wholesale generator 

status

x

BOILER_ID Boiler identification numberxxxxxxx

GENERATOR_ASSOCIATION

Indicates whether boiler associations with 

generator during the year were actual or 

theoretical

A = Actual

T = Theoretical

x

COOLING_ID Cooling system identification numberxx

FGD_ID Flue gas desulfurization identification numberxx

FGP_ID Flue gas particulate collector identification 

number 

xx

FLUE_ID Flue identification numberxx

STACK_ID Stack identification numberxx

BOILER_STATUS Boiler status See Table 3d in tab 'Reference 

Tables I'

xx

PLANT_SUM_CAP The plany summer capacity associated with 

the operating generators at the plant

xxxxxx

TYPE_OF_BOILER

Indicates the standards under which the boiler 

is operating as described in the U.S. 

Environmental Protection Agency regulation 

under 40 CFR

See Table 10 in tab 'Reference 

Tables II'

x

NSR Indicates whether the boiler is subject to New

Source Review requirements Yes / No

x

NSR_DATE_MM Month of issued New Source Review permitx

NSR_DATE_YR Year of issued New Source Review permitx

NSR_PERMIT New Source Review permit numberx

REGULATION_PARTICULATE

Most stringent type of statute or regulation 

code under which the boiler is operating for 

particulate matter

FD = Federal

ST=State

LO=Local

NA=Not Applicable

x

REGULATION_SULFUR

Most stringent type of statute or regulation 

code under which the boiler is operating for 

sulfur dioxide

FD = Federal

ST=State

LO=Local

NA=Not Applicable

x

REGULATION_NITROGEN

Most stringent type of statute or regulation 

code under which the boiler is operating for 

nitrogen oxides

FD = Federal

ST=State

LO=Local

NA=Not Applicable

x

STANDARD_PARTICULATE_RATE Numeric value for the unit of measurement 

specified for particulate matter

x

STANDARD_SULFUR_RATE Numeric value for the unit of measurement 

specified for sulfur dioxide

x

STANDARD_NITROGEN_RATE Numeric value for the unit of measurement 

specified for nitrogen oxide

x

UNIT_PARTICULATE Unit of measurement specified for particulate 

matter

See Table 11a in tab 'Reference 

Tables III'

x

UNIT_SULFUR Unit of measurement specified for sulfur 

Dioxide

See Table 11b in tab 'Reference 

Tables III'

x

UNIT_NITROGEN Unit of measurement specified for Nitrogen 

Oxides

See Table 11c in tab 'Reference 

Tables III'

x

PERIOD_PARTICULATE Period of time over which measurements for 

particulate matter were averaged

See Table 5 in tab 'Reference 

Tables I'

x
Field Name Description Notes

Utility

Plant

Generator /

Exist

Generator /

Prop

Generator /

Ret_IP

Owner

MultiFuel /

Exist

MultiFuel /

Prop

MultiFuel /

Ret_IP

Interconnect

EnviroAssoc /

Boiler_Gen

EnviroAssoc /

Boiler_Cool

EnviroAssoc /

Boiler_FGD

EnviroAssoc /

Boiler_FGP

EnviroAssoc /

Boiler_SF

EnviroEquip /

Boiler

EnviroEquip /

Controls

EnviroEquip /

Cooling

EnviroEquip /

FGD

EnviroEquip /

FGP

EnviroEquip /

StackFlue

PERIOD_SULFUR Period of time over which measurements for 

sulfur dioxide were averaged

See Table 5 in tab 'Reference 

Tables I'

x

PERIOD_NITROGEN Period of time over which measurements for 

nitrogen oxides were averaged

See Table 5 in tab 'Reference 

Tables I'

x

COMP_YEAR_PARTICULATE

Year boiler was or is expected to be in 

compliance with federal, state and/or local 

regulations for particulate matter

x

COMP_YEAR_SULFUR

Year boiler was or is expected to be in 

compliance with federal, state and/or local 

regulations for sulfur dioxide

x

COMP_YEAR_NITROGEN

Year boiler was or is expected to be in 

compliance with federal, state and/or local 

regulations for nitrogen oxide

x

STRATEGY_PARTICULATE1 If boiler is not in compliance with particulate 

matter regulations, strategy for compliance

See Table 12a in tab 'Reference 

Tables III'

x

STRATEGY_PARTICULATE2 If boiler is not in compliance with particulate 

matter regulations, strategy for compliance

See Table 12a in tab 'Reference 

Tables III'

x

STRATEGY_PARTICULATE3 If boiler is not in compliance with particulate 

matter regulations, strategy for compliance

See Table 12a in tab 'Reference 

Tables III'

x

STRATEGY_SULFUR1 If boiler is not in compliance with sulfur 

dioxide regulations, strategy for compliance

See Table 12b in tab 'Reference 

Tables III'

x

STRATEGY_SULFUR2 If boiler is not in compliance with sulfur 

dioxide regulations, strategy for compliance

See Table 12b in tab 'Reference 

Tables III'

x

STRATEGY_SULFUR3 If boiler is not in compliance with sulfur 

dioxide regulations, strategy for compliance

See Table 12b in tab 'Reference 

Tables III'

x

STRATEGY_NITROGEN1 If boiler is not in compliance with nitrogen 

oxides regulations, strategy for compliance

See Table 12c in tab 'Reference 

Tables III'

x

STRATEGY_NITROGEN2 If boiler is not in compliance with nitrogen 

oxides regulations, strategy for compliance

See Table 12c in tab 'Reference 

Tables III'

x

STRATEGY_NITROGEN3 If boiler is not in compliance with nitrogen 

oxides regulations, strategy for compliance

See Table 12c in tab 'Reference 

Tables III'

x

STRATEGY_FOR_CAAA1

Existing strategies to meet the sulfur dioxide 

requirements of Title IV of the Clean Air Act 

Amendment of 1990 

See Table 12b in tab 'Reference 

Tables III'

x

STRATEGY_FOR_CAAA2

Existing strategies to meet the sulfur dioxide 

requirements of Title IV of the Clean Air Act 

Amendment of 1990 

See Table 12b in tab 'Reference 

Tables III'

x

STRATEGY_FOR_CAAA3

Existing strategies to meet the sulfur dioxide 

requirements of Title IV of the Clean Air Act 

Amendment of 1990 

See Table 12b in tab 'Reference 

Tables III'

x

PLANNED_FOR_CAAA1

Planned strategies to meet the sulfur dioxide 

requirements of Title IV of the Clean Air Act 

Amendment of 1990 

See Table 12b in tab 'Reference 

Tables III'

x

PLANNED_FOR_CAAA2

Planned strategies to meet the sulfur dioxide 

requirements of Title IV of the Clean Air Act 

Amendment of 1990 

See Table 12b in tab 'Reference 

Tables III'

x

PLANNED_FOR_CAAA3

Planned strategies to meet the sulfur dioxide 

requirements of Title IV of the Clean Air Act 

Amendment of 1990 

See Table 12b in tab 'Reference 

Tables III'

x

BOILER_MANUFACTURER Boiler manufacturer code See Table 13 in tab 'Reference 

Tables IV'

x

INSERVICE_MM

Actual or projected month of commercial 

operation of the Boiler/Cooling System/FGD 

unit/FGP unit/Stack (or Flue)

xxxxx

INSERVICE_YR

Actual or projected year of commercial 

operation of the Boiler/Cooling System/FGD 

unit/FGP unit/Stack (or Flue)

xxxxx

RETIREMENT_MM Actual or projected month of retirementx

RETIREMENT_YR Actual or projected month of retirementx

MAX_STEAM_FLOW Maximum continuous steam flow at 100 

percent load (thousand pounds per hour)

x

COAL_FIRE_STEAM_FLOW Design firing rate at maximum continuous 

steam flow for coal (nearest 0.1 ton per hour)

x

PET_FIRE_STEAM_FLOW

Design firing rate at maximum continuous 

steam flow for pet coke (nearest 0.1 barrels 

per hour)

x

GAS_FIRE_STEAM_FLOW

Design firing rate at maximum continuous 

steam flow for gas (nearest 0.1 cubic feet per 

hour)

x

OTHER_FIRE_STEAM_FLOW Design firing rate at maximum continuous 

steam flow for waste heat

x
Field Name Description Notes

Utility

Plant

Generator /

Exist

Generator /

Prop

Generator /

Ret_IP

Owner

MultiFuel /

Exist

MultiFuel /

Prop

MultiFuel /

Ret_IP

Interconnect

EnviroAssoc /

Boiler_Gen

EnviroAssoc /

Boiler_Cool

EnviroAssoc /

Boiler_FGD

EnviroAssoc /

Boiler_FGP

EnviroAssoc /

Boiler_SF

EnviroEquip /

Boiler

EnviroEquip /

Controls

EnviroEquip /

Cooling

EnviroEquip /

FGD

EnviroEquip /

FGP

EnviroEquip /

StackFlue

WASTE_HEAT_INPUT

Design waste-heat input rate at maximum 

continuous steam flow where a waste-heat 

boiler is a boiler that receives all or a 

substantial portion of its energy input from the 

noncumbustible exhaust gases of a separate 

fuel-burning process (million Btu per hour)

x

PRIMARY_FUEL1 Primary fuels used in order of predominance See Table 2 in tab 'Reference 

Tables I'

x

PRIMARY_FUEL2 Primary fuels used in order of predominance See Table 2 in tab 'Reference 

Tables I'

x

PRIMARY_FUEL3 Primary fuels used in order of predominance See Table 2 in tab 'Reference 

Tables I'

x

PRIMARY_FUEL4 Primary fuels used in order of predominance See Table 2 in tab 'Reference 

Tables I'

x

PRIMARY_FUEL5 Primary fuels used in order of predominance See Table 2 in tab 'Reference 

Tables I'

x

PRIMARY_FUEL6 Primary fuels used in order of predominance See Table 2 in tab 'Reference 

Tables I'

x

PRIMARY_FUEL7 Primary fuels used in order of predominance See Table 2 in tab 'Reference 

Tables I'

x

PRIMARY_FUEL8 Primary fuels used in order of predominance See Table 2 in tab 'Reference 

Tables I'

x

FIRE_PRIMARY_FUEL1 Indicates the first, second and third type of 

firing used with primary fuels

See Table 6c in tab 'Reference 

Tables II'

x

FIRE_PRIMARY_FUEL2 Indicates the first, second and third type of 

firing used with primary fuels

See Table 6c in tab 'Reference 

Tables II'

x

FIRE_PRIMARY_FUEL3 Indicates the first, second and third type of 

firing used with primary fuels

See Table 6c in tab 'Reference 

Tables II'

x

EFFICIENCY_100_PCT_LOAD Boiler efficiency when burning at 100 percent 

load (nearest 0.1 percent)

x

EFFICIENCY_50_PCT_LOAD Boiler efficiency when burning at 50 percent 

load (nearest 0.1 percent)

x

AIR_FLOW_100_PCT_LOAD

Total air flow including excess air at 100 

percent load, reported at standard 

temperature and pressure (i.e. 68 F and one 

atmosphere pressure)

x

WET_DRY_BOTTOM

Wet or Dry Bottom where Wet Bottom is 

defined as slag tanks that are installed at 

furnace throat to contain and remove molten 

ash from the furnace, and Dry Bottom is 

defined as having no slag tanks at furnace 

throat area, throat area is clear, and bottom 

ash drops through throat to bottom ash water 

hoppers.

W=Wet

D=Dry

x

FLY_ASH_REINJECTION Indicates whether the boiler has fly ash reinjection Yes / Nox

NOX_CONTROL_STATUS Nitrogen oxide control status code See Table 6b in tab 'Reference 

Tables II'

x

LOW_NOX_PROCESS1 Low nitrogen oxide control process See Table 6a in tab 'Reference 

Tables II'

x

LOW_NOX_PROCESS2 Low nitrogen oxide control process See Table 6a in tab 'Reference 

Tables II'

x

LOW_NOX_PROCESS3 Low nitrogen oxide control process See Table 6a in tab 'Reference 

Tables II'

x

LOW_NOX_MANUFACTURER Code indicating the low nitrogen oxide control 

burner manufacturer

See Table 13 in tab 'Reference 

Tables IV'

x

MERCURY_EMISSION_CONTROL Indicates whether the boiler has mercury 

emission controls Yes / No

x

MERCURY_EMISSION_ACJ Indicates whether the boiler has an activated 

carbon injection system

x

MERCURY_EMISSION_BH Indicates whether the boiler has a baghousex

MERCURY_EMISSION_DS Indicates whether the boiler has a dry 

scrubber

x

MERCURY_EMISSION_EP Indicates whether the boiler has an 

electrostatic precipitator

x

MERCURY_EMISSION_FGD Indicates whether the boiler has a flue gas 

desulfurization system

x

MERCURY_EMISSION_LI Indicates whether the boiler has a lime 

injection system

x

MERCURY_EMISSION_WS Indicates whether the boiler has a wet 

scrubber

x
Field Name Description Notes

Utility

Plant

Generator /

Exist

Generator /

Prop

Generator /

Ret_IP

Owner

MultiFuel /

Exist

MultiFuel /

Prop

MultiFuel /

Ret_IP

Interconnect

EnviroAssoc /

Boiler_Gen

EnviroAssoc /

Boiler_Cool

EnviroAssoc /

Boiler_FGD

EnviroAssoc /

Boiler_FGP

EnviroAssoc /

Boiler_SF

EnviroEquip /

Boiler

EnviroEquip /

Controls

EnviroEquip /

Cooling

EnviroEquip /

FGD

EnviroEquip /

FGP

EnviroEquip /

StackFlue

MERCURY_EMISSION_OT Indicates whether the boiler has other mercury 

emission controls

x

COOLING_STATUS Cooling system status See Table 3d in tab 'Reference 

Tables I'

x

COOLING_TYPE1 Cooling system code for the first, second, 

third and/or fourth cooling system

See Table 7a in tab 'Reference 

Tables II'

x

COOLING_TYPE2 Cooling system code for the first, second, 

third and/or fourth cooling system

See Table 7a in tab 'Reference 

Tables II'

x

COOLING_TYPE3 Cooling system code for the first, second, 

third and/or fourth cooling system

See Table 7a in tab 'Reference 

Tables II'

x

COOLING_TYPE4 Cooling system code for the first, second, 

third and/or fourth cooling system

See Table 7a in tab 'Reference 

Tables II'

x

COOLING_WATER_SOURCE Name of river, lake, or water source that 

provides cooling water

x

INTAKE_RATE_AT_100_PCT Design cooling water flow rate at 100 percent 

load at in-take (cubic feet per second)

x

CHLORINE_INSERVICE_MM

Actual or projected in-service month for 

chlorine discharge control structures and 

equipment

x

CHLORINE_INSERVICE_YR Actual or projected in-service year for chlorine 

discharge control structures and equipment

x

POND_INSERVICE_MM Cooling ponds actual or projected in-service 

month

x

POND_INSERVICE_YR Cooling ponds actual or projected in-service 

year

x

POND_SURFACE_AREA Total surface area of cooling pond (in acres)x

POND_VOLUME Total volume of water in cooling pond (in acrefeet)x

TOWER_INSERVICE_MM Cooling towers actual or projected in-service 

month

x

TOWER_INSERVICE_YR Cooling towers actual or projected in-service 

year

x

TOWER_TYPE1 Code for first and/or second cooling tower

See Table 7b in tab 'Reference 

Tables II'

x

TOWER_TYPE2 Code for first and/or second cooling tower

See Table 7b in tab 'Reference 

Tables II'

x

TOWER_WATER_RATE_PCT Maximum design rate of water flow at 100 

percent load

x

POWER_REQUIREMENT_KWH Maximum power requirement at 100 percent 

load

x

COST_TOTAL

Actual installed cost for the existing system or 

the anticipated cost to bring the total system 

into commercial operation (thousands dollars)

x

COST_PONDS

Actual installed cost for the existing cooling 

ponds or the anticipated cost to bring the 

cooling ponds into commercial operation 

(thousands dollars)

x

COST_TOWERS

Actual installed cost for the existing cooling 

towers or the anticipated cost to bring the 

cooling towers into commercial operation 

(thousands dollars)

x

COST_CHLORINE_EQUIPMENT

Actual installed cost for the existing chlorine 

discharge control system or the anticipated 

cost to bring the chlorine discharge control 

system into commercial operation (thousands 

dollars)

x

INTAKE_DISTANCE_SHORE Maximum distance from shore to intake (in 

feet)

x

OUTLET_DISTANCE_SHORE Maximum distance from shore to outlet (in 

feet)

x

INTAKE_DISTANCE_SURFACE Average distance below water surface to 

intake (in feet)

x

OUTLET_DISTANCE_SURFACE Average distance below water surface to 

outlet (in feet)

x

FGD_STATUS Flue gas desulfurization unit status See Table 3d in tab 'Reference 

Tables I'

x

FGD_TYPE1 FGD unit code for the first, second, third 

and/or fourth flue gas desulfurization unit

See Table 9a in tab 'Reference 

Tables II'

x

FGD_TYPE2 FGD unit code for the first, second, third 

and/or fourth flue gas desulfurization unit

See Table 9a in tab 'Reference 

Tables II'

x
Field Name Description Notes

Utility

Plant

Generator /

Exist

Generator /

Prop

Generator /

Ret_IP

Owner

MultiFuel /

Exist

MultiFuel /

Prop

MultiFuel /

Ret_IP

Interconnect

EnviroAssoc /

Boiler_Gen

EnviroAssoc /

Boiler_Cool

EnviroAssoc /

Boiler_FGD

EnviroAssoc /

Boiler_FGP

EnviroAssoc /

Boiler_SF

EnviroEquip /

Boiler

EnviroEquip /

Controls

EnviroEquip /

Cooling

EnviroEquip /

FGD

EnviroEquip /

FGP

EnviroEquip /

StackFlue

FGD_TYPE3 FGD unit code for the first, second, third 

and/or fourth flue gas desulfurization unit

See Table 9a in tab 'Reference 

Tables II'

x

FGD_TYPE4 FGD unit code for the first, second, third 

and/or fourth flue gas desulfurization unit

See Table 9a in tab 'Reference 

Tables II'

x

SORBENT_TYPE1 Sorbent code for the first, second, third and/or 

fourth sorbent used

See Table 9b in tab 'Reference 

Tables II'

x

SORBENT_TYPE2 Sorbent code for the first, second, third and/or 

fourth sorbent used

See Table 9b in tab 'Reference 

Tables II'

x

SORBENT_TYPE3 Sorbent code for the first, second, third and/or 

fourth sorbent used

See Table 9b in tab 'Reference 

Tables II'

x

SORBENT_TYPE4 Sorbent code for the first, second, third and/or 

fourth sorbent used

See Table 9b in tab 'Reference 

Tables II'

x

BYPRODUCT_RECOVERY Indicate whether salable byproduct is 

recovered by the unit Yes / No

x

FGD_MANUFACTURER Flue gas desulfurization unit manufacturer 

code

See Table 13 in tab 'Reference 

Tables IV'

x

POND_LANDFILL_REQ Annual pond and land fill requirementsx

SLUDGE_POND_LINED Indicates whether the sludge pond is lined Yes / No / NAx

FLUE_GAS_BYPASS_FGD Indicates whether flue gas can bypass flue 

gas desulfurization unit Yes / No

x

SPEC_FOR_COAL_ASH Design fuel specifications for coal for ash 

(nearest 0.1 percent by weight)

x

SPEC_FOR_COAL_SULFUR Design fuel specifications for coal for sulfur 

(nearest 0.1 percent by weight)

x

FGD_TRAINS_TOTAL Total number of flue gas desulfurization unit 

scrubber trains

x

FGD_TRAINS_100_PCT Total number of flue gas desulfurization unit 

scrubber trains operated at 100 percent load

x

REMOVAL_EFF_SULFUR

Removal efficiency as the percent by weight 

of gases removed from the flue gas (nearest 

0.1 percent by weight)

x

SULFUR_EMISION_RATE Sulfur dioxide emission rate (pounds per hour)x

FLUE_GAS_EXIT_RATE Flue gas exit rate (actual cubic feet per 

minute)

x

FLUE_GAS_EXIT_TEMP Flue gas exit temperature (degrees fahrenheit)x

FLUE_GAS_ENTERING Flue gas entering flue gas desulfurization unit 

(percent of total)

x

COST_STRUCTURE

Actual installed costs for the existing systems 

or the anticipated costs of structures and 

equipment to bring a planned system into 

commercial operation

x

COST_DISPOSAL

Actual installed costs for the existing sludge 

transport and disposal systems or the 

anticipated costs of sludge transport and 

disposal systems to bring a planned system 

into commercial operation

x

COST_OTHER

Actual installed costs for the of other items 

pertaining to the installation of the existing 

systems or the anticipated costs of other 

items pertaining to the installation of the unit 

to bring a planned system into commercial 

operation

x

COST_TOTAL

Total actual installed costs for the existing 

systems or the anticipated costs to bring a 

planned system into commercial operation

x

FGP_STATUS Flue gas particulate collector status See Table 3d in tab 'Reference 

Tables I'

x

COLLECTOR_TYPE1 Flue gas particulate collector code for the first, 

second and/or third collector

See Table 8 in tab 'Reference 

Tables II'

x

COLLECTOR_TYPE2 Flue gas particulate collector code for the first, 

second and/or third collector

See Table 8 in tab 'Reference 

Tables II'

x

COLLECTOR_TYPE3 Flue gas particulate collector code for the first, 

second and/or third collector

See Table 8 in tab 'Reference 

Tables II'

x

INSTALLED_COST

Actual installed cost for the existing system or 

the anticipated cost to bring a planned system 

into commercial operation (thousands dollars)

x

FUEL_SPEC_ASH_COAL

Design fuel specifications for ash for coal; 

beginning of range for values (nearest 0.1 

percent by weight)

x
Field Name Description Notes

Utility

Plant

Generator /

Exist

Generator /

Prop

Generator /

Ret_IP

Owner

MultiFuel /

Exist

MultiFuel /

Prop

MultiFuel /

Ret_IP

Interconnect

EnviroAssoc /

Boiler_Gen

EnviroAssoc /

Boiler_Cool

EnviroAssoc /

Boiler_FGD

EnviroAssoc /

Boiler_FGP

EnviroAssoc /

Boiler_SF

EnviroEquip /

Boiler

EnviroEquip /

Controls

EnviroEquip /

Cooling

EnviroEquip /

FGD

EnviroEquip /

FGP

EnviroEquip /

StackFlue

FUEL_SPEC_ASH_COAL2

Design fuel specifications for ash for coal; end 

of range for values (nearest 0.1 percent by 

weight)

x

FUEL_SPEC_ASH_PET

Design fuel specifications for ash for 

petroleum; beginning of range for values 

(nearest 0.1 percent by weight)

x

FUEL_SPEC_ASH_PET2

Design fuel specifications for ash for 

petroleum; end of range for values (nearest 

0.1 percent by weight)

x

FUEL_SPEC_SULFUR_COAL

Design Fuel Specifications for sulfur for Coal; 

Beginning of range for values (nearest 0.1 

percent by weight)

x

FUEL_SPEC_SULFUR_COAL2

Design fuel specifications for sulfur for coal; 

end of range for values (nearest 0.1 percent 

by weight)

x

FUEL_SPEC_SULFUR_PET

Design fuel specifications for sulfur for 

petroleum; beginning of range for values 

(nearest 0.1 percent by weight)

x

FUEL_SPEC_SULFUR_PET2

Design fuel specifications for sulfur for 

petroleum; end of range for values (nearest 

0.1 percent by weight)

x

COLLECTION_EFFICIENCY Collection efficiency at 100 percent generator 

load (nearest 0.1 percent)

x

EMISSION_RATE Particulate emission rate at 100 percent 

generator load (pounds per hour)

x

GAS_EXIT_RATE

Particulate collector gas exit rate at 100 

percent generator load (actual cubic feet per 

minute)

x

GAS_EXIT_TEMP

Particulate collector gas exit temperature at 

100 percent generator load (degrees 

fahrenheit)

x

STACK_FLUE_STATUS Equipment status code for the stack or flue See Table 3d in tab 'Reference 

Tables I'

x

FLUE_HEIGHT Flue height at top from ground level (feet)x

AREA_AT_TOP Cross-sectional area at top of flue (nearest 

square foot)

x

EXIT_RATE_100_PCT Design flue gas exit rate at 100 percent load 

(actual cubic feet per minute)

x

EXIT_RATE_50_PCT Design flue gas exit rate at 50 percent load 

(actual cubic feet per minute)

x

EXIT_TEMP_100_PCT Design flue gas exit temperature at 100 

percent load (degrees fahrenheit)

x

EXIT_TEMP_50_PCT Design flue gas exit temperature at 50 percent 

load (degrees fahrenheit)

x

EXIT_VELOCITY_100_PCT Design flue gas exit velocity at 100 percent 

load (feet per second)

x

EXIT_VELOCITY_50_PCT Design flue gas exit velocity at 50 percent 

load (feet per second)

x

EXIT_TEMP_SUMMER

Average flue gas exit temperatures based on 

the arithmetic mean of measurements during 

operating hours of June, July, and August

x

EXIT_TEMP_WINTER

Average flue gas exit temperatures based on 

the arithmetic mean of measurements during 

operating hours of January, February, and 

December

x

EXIT_TEMP_SOURCE Source of seasonal flue gas temperatures M = Measured

E = Estimated

x

LATITUDE_DEGREES The degrees latitude of the plant Available upon request

LATITUDE_MINUTES The minutes latitude of the plant Available upon request

LATITUDE_SECONDS The seconds latitude of the plant Available upon request

LONGITUDE_DEGREES The degrees longitude of the plant Available upon request

LONGITUDE_MINUTES The minutes longitude of the plant Available upon request

LONGITUDE_SECONDS The seconds longitude of the plant Available upon request
Table 1: Prime Mover Codes Table 2: Energy Source Codes Table 3a: Existing Generator Status Codes

Code Prime Mover Description Code Energy Source Description Corresponding 

Prime Mover(s) Code Existing Status Description

BA Energy Storage, Battery AB Agriculture Crop Byproducts/Straw/Energy Crops OP

Operating - in service (commercial operation) and producing some 

electricity. Includes peaking units that are run on an as needed 

(intermittent or seasonal) basis.

CP Energy Storage, Concentrated Solar Power ANT Anthracite Coal ST, CT SB Standby/Backup - available for service but not normally used (has little or 

no generation during the year) for this reporting period.

FW Energy Storage, Flywheel BFG Blast-Furnace Gas OA

Out of service - was not used for some or all of the reporting period but 

was either returned to service on December 31 or will be returned to 

service in the next calendar year. 

ES Energy Storage, Other BIT Bituminous Coal OS Out of service – was not used for some or all of the reporting period and is 

NOT expected to be returned to service in the next calendar year. 

ST Steam Turbine, including nuclear, geothermal and solar steam (does not 

include combined cycle) BLQ Black Liquor

GT Combustion (Gas) Turbine (includes jet engine design) CUR Water, Current HA, HK Table 3b: Proposed Generator Status Codes

IC Internal Combustion Engine (diesel, piston, reciprocating) DFO Disillate Fuel Oil (all Diesel, and No. 1, No. 2, and No. 4 Fuel Oils)

CA Combined Cycle Steam Part EP Electric Power BA, CP, ES, FW Code Proposed Status Description

CT Combined Cycle Combustion Turbine Part (type of coal or solid must be 

reported as energy source for integrated coal gasification). GEO Geothermal TS Construction complete, but not yet in commercial operation (including low power testing of nuclear units)

CS Combined Cycle Single Shaft (combustion turbine and steam turbine 

share a single generator) JF Jet Fuel P

Planned for installation but regulatory approvals not initiated; Not under 

construction

CC Combined Cycle Total Unit (use only for plants/generators that are in 

planning stage, for which specific generator details cannot be provided) KER Kerosene L

Regulatory approvals pending. Not under construction but site preparation 

could be underway

HA Hydrokinetic, Axial Flow Turbine LFG Landfill Gas T

Regulatory approvals received. Not under construction but site 

preparation could be underway

HB Hydrokinetic, Wave Buoy LIG Lignite U

Under construction, less than or equal to 50 percent complete (based on 

construction time to date of operation)

HK Hydrokinetic, Other MSW Municipal Solid Waste V

Under construction, more than 50 percent complete (based on 

construction time to date of operation)

HY Hydroelectric Turbine (includes turbines associated with delivery of water 

by pipeline) NA Not Available at this Time

PS Hydraulic Turbine, Reversible (pumped storage) NG Natural Gas Table 3c: Other Generator Status Codes

BT Turbines Used in a Binary Cycle (including those used for geothermal 

applications) NUC Nuclear (Uranium, Plutonium, Thorium)

PV Photovoltaic OBG Other Biomass Gases (Digester Gas, Methane, and other Biomass Gases) Code Other Status Description

WT Wind Turbine OBL Other Biomass Liquids (Fish Oil, Liquid Acetonitrite Waste, Medical Waste, 

Tall Oil, ethanol, Waste Alcohol, and other Biomass Liquids not specified) RE Retired - no longer in service and not expected to be returned to service.

CE Compressed Air Energy Storage OBS Other Biomass Solids (Animal Manure and Waste, Solid Byproducts, and 

Other Solid Biomass not specified) IP Planned new generator canceled, indefinitely postponed, or no longer in resource plan

FC Fuel Cell OG Other Gas (Coke-Oven, Coal Processes, Butane, Refinery, Other 

Process) OT Other

OT Other OTH Other (Batteries, Chemicals. Hydrogen, Pitch, Sulfur, Miscellaneous 

technologies)

PC Petroleum Coke Table 3c: Boiler and Environmental Equipment Status Codes

PG Propane

PUR Purchased Steam Code Boiler and Environmental Equipment Status Description

RC Refined Coal ST, CT CN Cancelled (previously reported as “planned”)

RFO Residual Fuel Oil (Include No. 5, and No. 6 Fuel Oil, and Bunker C Fuel 

Oil) CO New unit under construction

SG Synthetic Gas, other than coal-derived OP Operating (in commercial service or out of service less than 365 days)

SGC Coal-Derived Synthetic Gas OS Out of service (365 days or longer)

SLW Sludge waste PL Planned (expected to go into commercial service within 10 years)

SUB Subbituminous Coal RE Retired (no longer in service and not expected to be returned to service)

SUN Solar (Photovoltaic, Thermal) SB Standby (or inactive reserve); i.e., not normally used, but available for 

service

TDF Tires SC Cold Standby (Reserve); deactivated (usually requires 3 to 6 months to 

reactivate)

TID Water, Tides HA, HK TS Operating under test conditions (not in commercial service)

WAT Water, Conventional or Pumped Storage

WC Waste/Other Coal (Culm, Gob, Coke, and Breeze)

WDL Woos Waste Liquids (Red Liquor, Sludge Wood, Spent Sulfite Liquor, and 

other Wood Related Liquids not specified)

WDS Wood/Wood Waste Solids (Paper Pellets, Railroad Ties, Utility Poles, 

Wood Chips, and Other Wood Solids)

WH Waste Heat

WND Wind

WO Oil-Other, and Waste Oil (Butane (liquid), Crude Oil, Liquid Byproducts, 

Propane (liquid), Oil Waste, Re-Refined Motor Oil, Sludge Oil, Tar Oil)

WV Water, Waves HB, HK
Table 4: NERC Region Type and Description Codes Table 5: Time Period Codes

Code NERC Region Description NERC Type Code Time Period Description

ASCC Alaska Systems Coordinating Council N NV Never to exceed

FRCC Florida Reliability Coordinating Council N FM 5 minutes

HICC Hawaii Coordinating Council N SM 6 minutes

MRO Midwest Reliability Organization N FT 15 minutes

MROC MRO Canada S OH 1 hour

MROU MRO United States S WO 2 hours

NPCC Northeast Power Coordinating Council N TH 3 hours

NPCCI NPCC ISO New England S EH 8 hours

NPCCM NPCC Maritime S DA 24 hours

NPCCN NPCC New York S WA 1 week

NPCCO NPCC Ontario S MO 30 Days

NPCCQ NPCC Quebec S ND 90 Days

RFC Reliability First Corporation N YR Annual

SERC Southeastern Electric Reliability Council N PS Periodic Stack Testing

SERCE SERC Entergy S DT Defined By Testing

SERCG SERC Gateway S NS Not Specified

SERCS SERC Southern S OT Other

SERCT SERC TVA S

SERCV SERC VACAR S

SPP Southwest Power Pool N

SPPN Southwest Power Pool Northern S

SPPS Southwest Power Pool Southern S

TRE Texas Regional Entity N

WECC Western Systems Coordinating Council N

WECCA Western Systems Coordinating Council - AZNMSNV S

WECCC Western Systems Coordinating Council - California S

WECCN Western Systems Coordinating Council - NWPP S

WECCR Western Systems Coordinating Council - RMPA S
Table 6a: Low NOX Control Process Codes Table 7a: Cooling System Type Codes Table 8: FGP Type Codes

Code Low NOX Control Process Description Code Cooling System Type Description Code FGP Type Description

AA Advanced Overfire Air DC Dry (air) cooling system BS Baghouse, shake and deflate

BF Biased Firing HRC Hybrid: recirculating cooling pond(s) or canal(s) with dry cooling BP Baghouse, pulse

CF Fluidized Bed Combuster HRF Hybrid: recirculating with forced draft cooling tower(s) with dry cooling BR Baghouse, reverse air

FR Flue Gas Recirculation HRI Hybrid: recirculating with induced draft cooling tower(s) with dry cooling EC Electrostatic precipitator, cold side, with flue gas conditioning

FU Fuel Reburning OC Once through with cooling pond(s) or canal(s) EH Electrostatic precipitator, hot side, with flue gas conditioning

H20 Water Injection OF Once through, fresh water EK Electrostatic precipitator, cold side, without flue gas conditioning

LA Low Excess Air OS Once through, saline water EW Electrostatic precipitator, hot side, without flue gas conditioning

LN Low NOX Burner RC Recirculating with cooling pond(s) or canal(s) MC Multiple Cyclone

NA Not Applicable RF Recirculating with forced draft cooling tower(s) SC Single Cyclone

NH3 Ammonia Injection RI Recirculating with induced draft cooling tower(s) WS Wet Scrubber

OT Other RN Recirculating with natural draft cooling tower(s) OT Other

OV Overfire Air OT Other

SC Slagging

SN Selective Noncatalytic Reduction Table 7b: Cooling Tower Type Codes

SR Selective Catalytic Reduction

STM Steam Injection Code Cooling Tower Type Description

NC No change in historic operation of unit anticipated MD Mechanical draft, dry process

RP Repower Unit MW Mechanical draft, wet process

UE Decrease utilization - rely on energy conservation and/or improved 

efficiency ND Natural draft, dry process

ND Not determined at this time NW Natural draft, wet process

NC No change in historic operation of unit anticipated WD Combination wet and dry process

RP Repower Unit OT Other

UF Decrease utilization - rely on energy conservation and/or improved 

efficiency

Table 6b: NOX Control Status Codes

Code NOX Control Status Description

CN Cancelled

CO New Unit Under Construction

NA Not Applicable

NC No plans to control

OP Operating

OS Out of Service

OZ Operating during the Ozone Season

PL Planned

RE Retired

SB Standby

SC Cold Standby

TS Operating under Test Condtions

Table 11c: NOX Control Firing Type Codes

Code NOX Control Firing Type Description

AF Arch Firing

CB Cell Burner

CF Concentric Firing

CY Cyclone Firing 

DB Duct Burner 

FB Fluidized Bed Firing

FF Front Firing 

OF Opposed Firing 

RF Rear Firing

SF Side Firing 

SS Spreader Stoker 

TF Tangential Firing 

VF Vertical Firing 

OT Other

Page 1
Table 9a: FGD Type Codes Table 10: Boiler Standard Codes

Code FGD Type Description Type of Boiler Standard Type

BR Jet Bubbling Reactor D

Standards of Performance for fossil-fuel fired steam boilers for which 

construction began after August 17, 1971.

CD Circulating Dry Scrubber Da Standards of Performance for fossil-fuel fired steam boilers for which 

construction began after September 18, 1978.

DP Dry Powder Injection type Db Standards of Performance for fossil-fuel fired steam boilers for which 

construction began after June 19, 1984.

MA Mechanically aided type Dc Standards of Performance for small industrial-commercial-institutional 

steam generating units.

PA Packed type N Not covered under New Source Performance Standards.

SD Spray dryer type

SP Spray type

TR Tray type

VE Venture type

OT Other

Table 9b: Sorbent Type Codes

Code Sorbent Type Description

AF Alkaline fly ash

CC Calcium carbide slurry

CEF CE filtrate

CSH Caustic Sodium hydroxide

DB Dibasic acid

DL Dolomitic limestone

LA Lime and alkaline fly ash

LF Limestone and alkaline fly ash

LI Lime

LS Limestone

MO Magnesium oxide

SA Soda ash

SB Sodium bicarbonate

SC Sodium carbonate

SF Sodium formate

SL Soda liquid

SS Sodium sulfite

TW Treated wastewater

WT Water

OT Other

Page 2
Table 11a: Particulate Matter Measurement Type Codes Table 12a: Particulate Matter Compliance Strategy Codes Table 12c: Nitrogen Oxides Compliance Strategy Codes

Code Particulate Matter Measurement Type Description Code Particulate Matter Compliance Strategy Description Code Nitrogen Oxides Compliance Strategy Description

OP Percent of opacity BO Burner out of service BO Burner out of service

PB Pounds of PM per million Btu in fuel (preferred measurement) FR Flue gas recirculation FR Flue gas recirculation

PC Grains of PM per std. cubic foot stack gas LA Low excess air LA Low excess air

PG Pounds of PM per thousand pounds stack gas LN Low nitrogen oxide burner LN Low nitrogen oxide burner

PH Pounds of PM emitted per hour MS Currently meeting standard MS Currently meeting standard

UG Micrograms of PM per cubic metere NC No plans to control NC No plans to control

OT Other OV Overfire air OV Overfire air

SE Seeking revision of governing regulation SE Seeking revision of governing regulation 

Table 11b: Sulfur Dioxide Measurement Type Codes OT Other OT Other

AA Advanced Overfire Air

Code Sulfur Dioxide Measurement Type Description Table 12b: Sulfur Dioxide Compliance Strategy Codes BF Biased Firing (alternative burners)

DC Ambient air quality concentration of SO2 CF Fluidized Bed Combustor

DH Pounds of SO2 emitted per hour Code Sulfur Dioxide Compliance Strategy Description FR Flue Gas Recirculation 

DL Annual SO2 emission level less than previous year BO Burner out of service FU Fuel Reburning

DM Parts per million of SO2 in stack gas FR Flue gas recirculation H2O Water Injection

DP Pounds of SO2 per million BTU in fuel (preferred measurement) LA Low excess air LA Low Excess Air

SB Pounds of Sulfur per million BTU in fuel LN Low nitrogen oxide burner LN Low NOx Burner

SR Percent Sulfur removal efficiency MS Currently meeting standard NH3 Ammonia Injection

SU Percent Sulfur content by fuel NC No plans to control NC No change in historic operation of unit anticipated

OT Other OV Overfire air ND Not determined at this time

SE Seeking revision of governing regulation OV Overfire Air

Table 11c: Nitrogen Oxides Measurement Type Codes OT Other RP Repower Unit

CF Fluidized Bed Combustor SC Slagging

Code Nitrogen Oxides Measurement Type Description CU Control unit under Phase I extension plan SN Selective Noncatalytic Reduction

NH Pounds of NO emitted per hour IF Install flue gas desulfurization unit (other than Phase I extension plan) SR Selective Catalytic Reduction

NL Annual NO emission level less than previous year NC No change in historic operation of unit anticipated STM Steam Injection

NM Parts per million of NO in stack gas ND Not determined at this time UE Decrease utilization - rely on energy conservation and/or improved 

efficiency

NP Pounds of Nitrogen Oxide per million BTU in fuel (preferred 

measurement) RP Repower Unit NA Not Applicable

OT Other SS Switch to lower sulfur fuel OT Other

NO Ambient air quality concentration of nitrogen oxides (parts per million) SU Designate Phase II unit(s) as substitution unit(s)

TU Transfer unit under Phase I extension plan

UC Decrease utilization - designate Phase II unit(s) as compensating unit(s)

UE Decrease utilization - rely on energy conservation and/or improved 

efficiency

US Decrease utilization - designate sulfur-free generators to compensate

UP Decrease utilization - purchase power

WA Allocated allowances and purchase allowances

OT Other
Table 13: Environmental Equipment Manufacturer Codes

Code Manufacturer Description BOILER NOX FGD

AA Advanced Air Technologies N N Y

AB Advanced Burner Technologies N Y N

ABB ABB Environmental Systems N Y Y

AC Advanced Combustion Technology N Y N

AEE AEE Von Roll N Y N

AES Alliant Environmental Solutions N N Y

AM American Air Filter N N Y

AN Andritz N N Y

AP AirPol N Y Y

API Air Polution Industries N N Y

AU Applied Utility Systems (AUS) N Y N

AX Amerex Industries N N Y

AZ Alzeta N Y N

BC Babcock Borsig Power N Y N

BE Bact Engineering N N Y

BI Bleco Industries N N Y

BL Bechtel Corporation N N Y

BM Bloom N Y N

BMD Burns & McDonnell N Y Y

BO Bionomics N N Y

BPC Belco Pollution Control N N Y

BPE Babcock Power Environmental Inc (BPEI) N N Y

BT Belco Technologies N N Y

CA Chiyoda N N Y

CB Clyde Bergeman EEC N N Y

CC Chemico N N Y

CM Combustion Components Associates Inc N Y N

CO Combustion Equipment N N Y

CSI Combustion Solutions Inc N Y N

CT Callidus Technologies N Y N

DA Delta Conveying Systems N N Y

DB Deutsche-Babcock N Y N

DC Ducon N N Y

DD Damper Design Inc N Y N

DM Davey McKee N N Y

DQ Duquense Light Company & Energy Systems Associates N Y N

DV Davis N Y N

DX Deltex N Y N

EA Eagle Air N Y N

EE Environmental Engineering N N Y

EEC Environmental Elements Corporation N N Y

EG Energy and Environmental Research Corp (EER) N Y N

EI Entollter Inc N N Y

EL Electric Power Technologies N Y N

EP EPRI N Y N

EPI Energy Products of Idaho N N Y

ETE Entropy Technology and Environmental Consultants (ETEC Inc) N Y N

FB Faber N Y N

FL Flakt Inc N N Y

FM FMC N N Y

FN Forney N Y N

FT Fuel Tech Inc N Y N

GF Grafwolff N N Y
Table 13: Environmental Equipment Manufacturer Codes

Code Manufacturer Description BOILER NOX FGD

GR GE Energy and Environmental Research Corp (GEEER) N Y N

HA Hamon N N Y

HL Holman N Y N

IC International Combustion Limited N Y N

JO Joy Manufacturing N N Y

JZ John Zink Todd Combustion/Todd Combustion N Y N

KC Korea Cottrell N N Y

KE M. W. Kellogg N N Y

KR Krebs Engineers N N Y

LLB Lurgi Lentjes Bischoff N N Y

MB Mitsui-Babcock N Y N

MC Macrotek N N Y

MG McGill Air Clean N N Y

MI Mitsubishi Heavy Industries N Y Y

MK Merrick Industries N N Y

MT Mobotec N Y Y

MX Marselex N N Y

NA Not Applicable N Y N

NC Natcom Inc N Y N

NE NEI N Y N

NL Noell Inc N Y N

NPA Neptune Airpol N N Y

NSP NSP N N Y

PA Procedair N Y Y

PI Power and Industrial N Y N

PL Pillard N Y N

PPC PPC Industries N N Y

PS Peerless Manufacturing Company N Y N

PU Pure Air N N Y

PX Phoenix Combustion N Y N

RC Research Cottrell N N Y

RD Rodenhuis and Verloop N Y N

RI Riley N Y N

RJ RJM N Y N

RR Rolls Royce N Y N

RV RV Industries N Y N

SB SmartBurn N Y N

SC Southern Company N Y N

SHU Saarberg-Holter Umweltechnick GmbH N N Y

SK Schenck Weigh Feeders N N Y

SM Smoot Company N N Y

SW Siemens-Westinghouse N Y N

TC Turbosonic N Y Y

TEC Thermal Equipment Corporation N Y N

TH Thyssen/CEA N N Y

TK Turbotak N N Y

TP Tempala Power N N Y

UE Utility Engineering N N Y

UM United McGill N N Y

UO Universal Oil Products N N Y

WAP Wheelabrator Air Pollution Control N N Y

ZC Zeeco N Y N

AI Aalborg Industries Y N N
Table 13: Environmental Equipment Manufacturer Codes

Code Manufacturer Description BOILER NOX FGD

AL Alstom Y Y Y

AS American Shack Y N N

AT Applied Thermal Systems Y Y N

BR BROS Y N N

BW Babcock and Wilcox Y Y Y

CE Combustion Engineering Y Y Y

CMI CMI Y N N

CN Coen Y Y N

DJ De Jong Coen bv Y N N

DL Deltak Y N N

DS Doosan Y N N

EC Econotherm Y N N

ER Eerie City Iron Works Y N N

ET Entek Y Y N

FW Foster Wheeler Y Y Y

GE General Electric Y Y Y

GT Gotaverken Y N N

HT Hitachi Y Y Y

ID Indeck Y Y N

IH In house design Y Y Y

IHI Ishikawajima-Harima Heavy Industries (IHI Corp) Y Y N

IS Innovative Steam Technology Y N N

KL Keeler Dorr Oliver Y Y N

KP Kvaerner Pulping Y N N

KW Kawaski Heavy Industires Y N N

ME Mitchell Engineering Y N N

NB Nebraska Boiler Y Y N

NM NEM Y N N

NT Nooter Erickson Y N N

OT Other (specify in a Footnote on SCHEDULE 7, COMMENTS) Y Y Y

PB Peabody Y Y Y

PR Pyro Power Y N Y

RS Riley-Stoker/Riley Power Y Y Y

ST Sterling Y N N

TM Tampella Power Corporation Y Y N

TS Toshiba Y Y N

VO Vogt Machine Company/Vogt Power Y Y N

WE Westinghouse Y N N

WG Weigl Engineering Y Y N

WI Wickes Y N N

ZN Zurn Y N Y