Introduction to IEA PVPS Task 13 Activities Performance and Reliability of Photovoltaic Systems Introduction to IEA PVPS Task 13 Activities Ulrike Jahn & Boris Farnung SUSPI, Canobbio, Switzerland

IEA PVPS Basics 29 members: 23 countries, EC, SolarPower Europe, SEPA, SEIA, Copper Alliance Most recent member: South Africa Activities are carried out collaboratively on a country basis along a number of technical and non-technical subjects Currently, 7 Tasks are active

Global network of expertise Broad variety of stakeholders Independent, objective, neutral Country based, task-shared Analysis Recommendations Communication & interaction

IEA PVPS Task 13 Subtask 1: Economics of PV System Performance and Reliability Subtask 2: System Performance and Analysis Subtask 3: Module Characterization and Reliability Subtask 4: Dissemination

Uncertainties in PV System Yield Prediction and Assessments

Improved comparability of data with clear measurement uncertainties Module Energy Yield Data from Test Fields in Different Climates Test device Selection of modules Reference power (kWh/Wp) Test equipment Hardware definition Pm measurement accuracy E measurement accuracy G, Tmod measurement accuracy Test site Irradiance uniformity Temperature uniformity Soiling Hardware exposure Test processing Data quality Failure identification Reporting Improved comparability of data with clear measurement uncertainties

Public Report: PV Performance Modelling Methods and Practices Report completed and published in March 2017 Report is divided into two parts: Introduction to PV performance modeling methods Workshop report with summaries of each presentation made in Cologne

Thank You for Your Attention! Task 13 Technical Reports at www.iea-pvps.org Thank You for Your Attention! 20+ IEA countries, 36+ institutions, 45 participants, 60+ members