What’s a good value for kWh/kWp? An overview of specific yield

By Teresa Zhang By Teresa Zhang, VP of operations and Paul Grana, co-founder, Folsom Labs
Specific yield (kWh/kWp) is one of the most commonly used performance metrics for solar systems of all sizes. It’s used to compare different locations, to analyze different designs or to assess the health of an array. As the team behind HelioScope, we are frequently asked, “What’s a good value for kWh/kWp?” The answer is, as with many solar design questions, it depends.
In this article, we discuss the factors that drive specific yield up or down and present typical kWh/kWp values for a variety of locations, weather data sources and

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