| NFR-Code | Name of Category | Method | AD | EF | Key Category |
|---|---|---|---|---|---|
| 1.A.1 | Energy - Energy Industries | see sub-category details | |||
| consisting of / including source categories | |||||
| 1.A.1.a | Public electricity and heat production | see sub-category details | |||
| 1.A.1.b | Petroleum refining | see sub-category details | |||
| 1.A.1.c | Manufacture of solid fuels and other energy industries | see sub-category details | |||