This part of IEC 62600 provides: • Methodologies that ensure consistency and accuracy in the determination of the theoretical river energy resource at sites that may be suitable for the installation of River Energy Converters (RECs); • Methodologies for producing a standard current speed distribution based on measured, historical, or numerical data, or a combination thereof, to be used in conjunction with an appropriate river energy power performance assessment; • Allowable data collection methods and/or modelling techniques; and • A framework for reporting results. The document explicitly excludes: • Technical or practical resource assessments; • Resource characterisation; • Power performance assessment of river energy converters; and • Environmental impact studies, assessments, or similar. Cross References:ISO 9825:2005ISO 1100-2:2010ISO/TS 19130-2:2014ISO/TR 24578:2012ISO 15769:2010ISO 18365:2013IEC TS 62600-300IEC TS 62600-201ISO/IEC 98-1:2009IEC TS 62600-1ISO/IEC 98-3:2008All current amendments available at time of purchase are included with the purchase of this document.