EVO's International Performance Measurement and Verification Protocol® (IPMVP) provides an overview of current best practice techniques available for verifying results of energy efficiency, water efficiency, and renewable energy projects in commercial and industrial facilities. It may also be used by facility operators to assess and improve facility performance.
All older versions (which might be referred to in some older M&V plans) are located in the Archives folder below.
Documents can be found in many languages in either current or archived versions.