TRL

TRL. Means the scale used by DOE to systematically estimate the readiness of technology from conception to commercialization, iterating sequentially as follows: (i) TRL 1 (basic principles observed and reported); (ii) TRL 2 (technology concept and application formulated); (iii) TRL 3 (analytical and experimental proof of concept); (iv) TRL 4 (validation in laboratory environment); (v) TRL 5 (pre-pilot scale validation in relevant environment); (vi) TRL 6 (pilot prototype demonstration in relevant... environment); (vii) TRL 7 (scaled-up commercial prototype in operational environment); (viii) TRL 8 (commercial system demonstration); (ix) TRL 9 (commercial maturity). View More