# 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 |
|  --- | --- |
| Used by the Account Holder for a Renewable Portfolio Standard | RPS |
| Used By the Account Holder for a Green-e Energy certified Voluntary Market sale | GRN |
| Used for Account Holder's Renewable Energy Goal/Commitment | RGL |
| Retired on behalf of Beneficial Owner | BBO |
| Other | OTH |


## Retirement Reason Codes

Used for GET Certificate Holdings & POST Certificate Retirement.

| Retirement Type Code | Retirement Reason Description | Retirement Reason Code |
|  --- | --- | --- |
| RPS | Owned Generation | 19 |
| RPS | Purchased Energy | 20 |
| RPS | Purchased RECs | 21 |
| GRN | REC-Only Product | 22 |
| GRN | Utility Green Pricing Program | 23 |
| GRN | Green Electricity Product | 24 |
| RGL | Power Purchase Agreement RECs | 34 |
| RGL | Utility Green Pricing/Tariff RECs | 35 |
| RGL | Unbundled RECs | 36 |
| BBO | Utility Green Pricing/Tariff | 31 |
| BBO | Green Electricity Product | 32 |
| BBO | Unbundled RECs | 33 |


## 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 |
| Kansas Goal | KSG |


## Fuel Type Codes

Used for GET Certificate Holdings.

| Fuel Type Name | Fuel Type Code |
|  --- | --- |
| Biomass - Animal Waste - Swine Waste, Solid or Gas | BA1 |
| Biomass - Animal Waste - Poultry Waste, Solid or Gas | BA2 |
| Agriculturally Derived | BAD |
| Biogas - Agricultural Methane | BAM |
| Biomass - Other | BAO |
| Biomass Combustion - Agricultural Products | BAP |
| Biomass Combustion - Agricultural Waste | BAW |
| Biomass Combustion - Black Liquor | BBL |
| Biomass Combustion - Animal Waste | BCA |
| Biogas - Animal Waste | BGA |
| Biogas - Wastewater Methane | BGW |
| Biogas | BIG |
| Biogas - Liquid Biofuels | BLB |
| Biogas - Landfill Methane | BLF |
| Municipally Derived | BMD |
| Mill Waste | BMF |
| Biomass Combustion - Liquid Biofuels | BML |
| Utility Derived | BUD |
| Biomass Combustion - Wood Products | BWP |
| Biomass Combustion - Wood Waste | BWW |
| Coal | CO1 |
| Concentrated Solar Power | CSP |
| Landclearing | DBL |
| Diesel | DI1 |
| Forest Derived Residues | FBR |
| Forest Derived Salvage | FBS |
| Forest Derived Thinnings | FBT |
| Fuel Cells using Hydrogen derived from Fossil Fuels | FC1 |
| Federal Hydroelectric | FHP |
| Geothermal Energy | GE1 |
| Hydroelectric Water - Dam/Impoundment | H2O |
| Hydroelectric Water - NY RPS Eligible | HNY |
| Hydroelectric - Run-of-the-River | HRR |
| Hydroelectric - Tidal | HTI |
| Hydroelectric - Wave power | HWA |
| Hydroelectric Water - Dam/Impoundment (New) | HWN |
| Fuel cells using Hydrogen derived from renewables | HYD |
| Jet Fuel | JET |
| Municipal solid waste | MS1 |
| Natural Gas | NG1 |
| Non-Renewable - Other | NRO |
| Oil | OIL |
| Solar Photovoltaics | SO1 |
| Solar Serving On-Site Load | SOL |
| Wind | WND |