Institute for Standardization of Montenegro

nMEST EN IEC 60904-3:2021

Photovoltaic devices - Part 3: Measurement principles for terrestrial photovoltaic (PV) solar devices with reference spectral irradiance data

General information



ISME/TK E 004 Energy management systems and energy efficiency

European Norm

27.160 Solar energy engineering


<!-- NEW! -->IEC 60904-3:2019 is available as <a href="">IEC 60904-3:2019 RLV</a> which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 60904-3:2019 describes basic measurement principles for determining the electrical output of PV devices. The principles given in this document are designed to relate the performance rating of PV devices to a common reference terrestrial solar spectral irradiance distribution. The reference terrestrial solar spectral irradiance distribution is given in this document in order to classify solar simulators according to the spectral performance requirements contained in IEC 60904-9. The principles contained in this standard cover testing in both natural and simulated sunlight. This new edition includes the following significant technical changes with respect to the previous edition:

a) all spectral data were recalculated due to some minor calculation and rounding errors in the third edition; the global spectral irradiance returned to exactly the data of the second edition;

b) the angular distribution of the irradiance was clarified.

Life cycle


MEST EN 60904-3:2017


In development
nMEST EN IEC 60904-3:2021
40.20 DIS ballot initiated: 12 weeks

Related project

Adopted from EN IEC 60904-3:2019

Adopted from IEC 60904-3:2019

Ask for information

Make request


Only informative sections of projects are publicly available. To view the full content, you will need to members of the committee. If you are a member, please log in to your account by clicking on the "Log in" button.