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SOLAR FAQs

Frequently Asked Question Related To Solar

How do I know that my system is working efficiently?

To keep a regular check on your system performance, it is recommended that you install a data logger (data monitoring device) along with your Solar PV system.
This device will allow you to compare the actual with the estimated performance on a daily, monthly and annual basis.

 

What is a data logger?

This is a device that helps you as well as your installer/ O&M contractor to monitor your Solar PV system’s performance on a real time basis on your mobile phone or laptop. Data logger indicates parameters like generation on a daily, monthly & yearly basis, plant performance ratio, etc. and can send alerts in case of any faults or low generation. The device can also be configured to send you regular performance reports through SMS and email.

What are the typical Solar plant performance metrics?

The generation from your Solar PV system depends on the quality of your system, the solar irradiation and the quality of maintenance. Performance Ratio (PR) is a measure of the quality of your system, whereas, Capacity Utilization Factor (CUF) is the overall metric that takes into account both the quality as well as the solar irradiation. For example, if the quality (and hence the PR) of your system is low, even if the solar irradiation is high, your CUF (generation) will be low, and vice versa. To know how to calculate PR & CUF, click here.

 

RELATED QUESTIONS

01

What are the key factors that affect solar generation?

02

How often should I clean the solar panels?

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