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
||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.