Reference Data

Some of the data sent and received through the API uses codes to represent certain field values. See the set of codes below.

Retirement Type Codes

Used for GET Certificate Holdings & POST Certificate Retirement.

Retirement Type Description Retirement Type Code
Primary account retirement GRN
Retired on behalf of Beneficial Owner BBO
Retired on behalf of corporate OTH

Retirement Reason Codes

Used for GET Certificate Holdings & POST Certificate Retirement.

Retirement Type Code Retirement Reason Description Retirement Reason Code
GRN Meet Corporate Renewable Energy Goals 1
GRN Meet Carbon Neutrality Goals 2
GRN Meet Overall Sustainability Goals 3
BBO Meet Corporate Renewable Energy Goals 4
BBO Meet Carbon Neutrality Goals 5
BBO Meet Overall Sustainability Goals 6
OTH Meet Corporate Renewable Energy Goals 7
OTH Meet Carbon Neutrality Goals 8
OTH Meet Overall Sustainability Goals 9

Certificate Status Codes

Used for GET Certificate Holdings.

Certificate Status Code Description
PENDING Part of a pending transfer, not transferable
ACTIVE Active and transferable
RETIRED Retired and not transferable

Retirement Certificate Type Codes

Used for GET Certificate Holdings & POST Certificate Retirement

Retirement Certificate Type Retirement Certificate Type Code
Individual Detailed SINGLE
Aggregated Summary [Not yet available]

SubAccount Type Codes

Used for POST Create New Sub-Account

SubAccount Type Name SubAccount Type Code
Active ACT
Retirement RET

Fuel Type Codes

Used for GET Certificate Holdings.

Fuel Type Name Fuel Type Code
Biogas - Agricultural Methane  BAM
Biomass Combustion - Agricultural Products BAP
Biomass Combustion - Agricultural Waste BAW
Biomass Combustion - Animal Waste  BCA
Biogas - Animal Waste  BGA 
Biogas - Wastewater Methane  BGW 
Biogas - Liquid Biofuels  BLB
Biogas - Landfill Methane  BLF
Biomass Combustion - Liquid Biofuels  BML 
Biomass - Animal Waste - Swine Waste, Solid or Gas BA1 
Biomass - Animal Waste - Poultry Waste, Solid or Gas  BA2 
Biomass Combustion - Wood Products  BWP 
Biomass Combustion - Wood Waste BWW
Coal (used for Multi-Fuel Generators; will not create TIGRs)  CO1
Diesel (used for Multi-Fuel Generators; will not create TIGRs) DI1
Fuel Cells using Hydrogen derived from Fossil Fuels FC1 
Geothermal Energy GE1
Hydroelectric Water - Dam/Impoundment H2O 
Hydroelectric - Run-of-the-River HRR
Hydroelectric - Tidal  HTI 
Hydroelectric - Wave power HWA 
Fuel cells using Hydrogen derived from renewables HYD 
Jet Fuel (used for Multi-Fuel Generators; will not create TIGRs) JET 
Municipal solid waste  MS1 
Natural Gas (used for Multi-Fuel Generators; will not create TIGRs)  NG1
Oil (used for Multi-Fuel Generators; will not create TIGRs)  OIL 
Concentrated Solar Power SCP
Solar Photovoltaics SO1 
Solar Serving On-Site Load SOL 
Wind WND