Share of string inverters in the Indian solar market is increasing rapidly. It went up from only 1% until 2016 to 9% in 2017 for new utility scale solar capacity commissioned. We expect the trend to accelerate even further in the coming years. Figure: Use of central and string inverters in India in utility scale projects Source: BRIDGE TO INDIA research Increased adoption of string inverters for utility scale projects is in line with experience in other international markets including USA and China. About 50% of utility scale capacity installed in China in 2016 used string inverters. In the USA, string inverter share is expected to grow up to 28% in 2020. Key reasons for increasing share of string inverters are as follows: Flexibility and yield: Although efficiency of central inverters is usually higher in comparison to string inverters (about 99% vs 98.5%), string level optimization can deliver better power output with string inverters due to increased reliability and redundancy; Installation time: String inverters can be installed much faster than central inverters as they do not need special containers or civil structures for housing – useful for projects with tight… Read More »
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