About the Report
It is important to do a periodic assessment of your solar plant to get maximum yield. If we look at the recently published data from MNRE for the actual generation of the solar plants installed in India, it is quite exciting that some of the solar projects are performing at a PLF of about 24%. However there are number of projects which are performing at a PLF under 17% as well. The underperformance of these plant reflects the poor O&M and workmanship issues during the plant commissioning. There is a need to discuss the issues which lead to the underperformance of solar plant. Firstgreen has conducted the plant performance assessment of various solar plants which have been experiencing lower than the expected performance, and helped the plant owners to improve the performance through our root cause analysis approach. Based on our experience on the solar plant performance studies, we have tried to compile this in the form of a report which highlights step by step approach for conducting the solar plant performance assessment.This report will serve a reference document to the solar plant O&M teams and enable them to better manage the plant performance and realize the maximum yield through their solar investments.
First Green has been writing reports and conducting workshops for more than two years now . Over time the readership of our reports and blog has reached beyond 10,000 across the globe.
Through our upcoming report on Solar Plant Performance Assessment we wish to bring consultants , EPC contractors and manufacturers all over the world close to each other so that they can get their work done at the best available cost.
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About Firstgreen Plant Performance Assessment Services
Firstgreen is a leading consulting firm for providing the project management consulting and owner’s engineering services with involvement in over 3,00 MW of plants in development, construction, or operation in India. Our clients call on us to assess the performance of their solar power projects whether their plants are performing to the best of their expected performance and seek our expertise in identifying the key factors which are affecting the performance of their solar project. Firstgreen has conducted the performance audit of various plants operational in India and have resolved the issues which are the root cause of plant underperformance.
Firstgreen uses a variety of tools, measuring instruments, and analysis methods to benchmark the performance of plant right at the string level. Our benchmarking approach highlights the underperforming strings and quantify the difference in terms of best performing strings as well as underperforming strings. We validate the data collected through the SCADA system with our own measuring tools and pinpoint the critical areas. Firstgreen engineers work with the plant operators and conduct a root cause analysis and suggest appropriate measures to improve the plant performance. The typical scope of work in the plant performance assessment include the site visits, validation of as built drawings, energy loss assessment and creation of PVSYST model for the actual parameters of the plant to depict the losses in plant at each stage. The energy losses in the plant are compared with the measured losses in the plant. This will help in assessing the actual energy yield from your solar plant with reference to the original planned energy yield in the plant. This analysis takes in to consideration of the weather parameters and applies a suitable weather correction factors in the actual plant performance. Once the energy losses at each stage are duly assessed, a root cause analysis of the energy losses is carried out to derive appropriate corrective actions to enhance the plant performance. Our step by step approach helps in quantifying the contribution of losses due to various factors such as soiling losses, losses due to module operating temperature, gain in the plant performance due to tracker systems, losses due to hotspots, losses due to shading, losses due to inverter operating conditions, losses due to grid tripping, etc.