IMPACT OF RENEWABLE ENERGY UNIT AVAILABILITY ON POWER SYSTEM ADEQUACY

R. Karki and R. Billinton

Keywords

Forced outage rate, Monte Carlo simulation, photovoltaics, powersystem adequacy, wind power

Abstract

Power system adequacy evaluation requires reliable data on gener- ating unit performance. These data are usually available for con- ventional generating units. Such data are not readily available for relatively new renewable energy sources, as standards for their col- lection, reporting, and modelling techniques are not yet established. Rapid growth of renewable energy applications, however, generates an increasing need to conduct reliability studies on power systems that contain renewable sources. This work analyzes the impact of photovoltaic and wind energy unit unavailabilities on the overall system adequacy. The objective of this study is to analyze the importance of reliability performance of individual generating units and of reliability data accuracy while conducting system adequacy studies on power systems containing renewable energy sources.

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