| Name | Description |
| COAL |
 | Coal | |
|
| COAL_PULVERIZED |
 | Coal Pulverized | |
|
| ELECTRICITY |
 | Electricity | |
|
| GAS |
 | Gas | |
|
| OIL |
 | Oil | |
|
| PROPANE |
 | Propane | |
|
| WOOD |
 | Wood | |
|
| WOOD_CHIP |
 | Wood Chip | |
|
| WOOD_PELLET |
 | Wood Pellet | |
|
| WOOD_PULVERIZED |
 | Wood Pulverized | |
|
| OTHER |
 | (other) | Value is not listed. |
|
| NOTKNOWN |
 | (unknown) | Value is unknown. |
|
| UNSET |
 | (unset) | Value has not been specified. |
|