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One post tagged with "Performance Analysis"

Solar plant performance analysis and optimization

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Understanding Solar Performance Ratio

· 9 min read
Marc Hauser
Founding and data Engineer

The Performance Ratio (PR) is one of the most widely used and most frequently misunderstood indicators in solar asset management. It appears on nearly every dashboard, yet its interpretation is anything but straightforward. Used correctly, PR is a powerful lens into the long-term health of a plant. Used incorrectly, it can lead to misguided investments, unnecessary site visits, and missed real problems.

This article explains what PR really measures, why 100 % is impossible, and how to use this indicator effectively, whether you are an asset manager tracking a portfolio or a performance engineer investigating losses.