List of Indicators for Technology Readiness levels (TRL)
1 Basic principle is observed and reported
2 Technology concepts and/or applications formulated
3 Critical function, proof of concept established
4 Laboratory testing of prototype components or process
5 Laboratory testing of an integrated system
6 Prototype system verified
7 Integrated pilot system demonstrated
8 System completed and qualified
9 System proven in an operational environment
2 Technology concepts and/or applications formulated
3 Critical function, proof of concept established
4 Laboratory testing of prototype components or process
5 Laboratory testing of an integrated system
6 Prototype system verified
7 Integrated pilot system demonstrated
8 System completed and qualified
9 System proven in an operational environment
