IEC TS 63265:2022 

Photovoltaic power systems - Reliability practices for operation


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IEC TS 63265:2022 outlines methods that can be utilized to ensure reliability throughout the PVPS project phases. It is derived from a management motivation for long lasting and cost-effective energy performance, energy production, secure production and revenue, and safe function. The application of reliability practices in this document is designed to be practical and reduce the costs of unreliability. This document further identifies and defines a normative minimum set of processes and tools to meet the requirements of this document.
Key objectives of this document are to inform users of reliability tools and assessment methods (historic, predictive, and analytical) that can satisfy the stakeholders needs for dependable PV Power System (PVPS) operation. This document provides a fundamental process for ensuring reliability needs can be understood and met. IEC TS 63019 addresses availability which is a higher-level metric that combines reliability and maintainability, and it complements this document as a key normative standard. It should be used in combination with this document.

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Additional information

Publication typeTechnical Specification
Publication date2022-06-28
Available language(s)English
TC/SCTC 82 - Solar photovoltaic energy systemsrss
ICS27.160 - Solar energy engineering
Stability date  2025
File size1088 KB

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