Software Life Cycle Types
EPRI develops three software life cycle types, which are: Prototype,
Proof-of-Concept, and Production.
Life Cycle Type
||1-2: Concepts to be proven. Any external release to a limited audience and for a
period less than one year. Any subsequent release would be Proof-of-Concept or
||3-5: Concepts proven, software solution to be proven. Any external release for a
period of less than 2 years. Any subsequent release would be Production.
||6-9: Proven software solution being developed. External release follows lifecycle
Refer to the Technology Readiness Levels (TRLs) table for
complete list of TRLs as used at EPRI.