Definitions of Technology Readiness Levels
As used by the FCH JU in their Multi-Annual Work Plan 2014 - 2020.
TRL |
Definition |
---|---|
9 |
Actual system is proven in an operational environment |
8 |
System complete and qualified |
7 |
System prototype demonstration in an operational environment |
6 |
Technology demonstrated in a relevant environment |
5 |
Technology validated in a relevant environment |
4 |
Technology validated in lab |
3 |
Experimental proof of concept |
2 |
Technology concept formulated |
1 |
Basic principles observed |