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China’s Supcon Achieves Over 105% of Projected Output in 24/7 Solar

February 28, 2020


From CSP Focus: China Supcon Delingha 50MW CSP plant achieved record high performance in Feb. 2020

The monthly generation of China Supcon Delingha 50WM CSP tower plant reached record high at 17.1795 GWh in February 2020 (from Jan 26 to Feb 25), with the generation fulfillment rate of 102.9%.

Supcon Delingha 50MW Molten Salt Tower CSP Project is one of the 1st batch of 20 demonstration CSP projects in China. The plant construction started in March, 2017, and was commissioned in December, 2018, and reached full-load operation in April, 2019.


Under TMY condition, the DNI in Delingha is 2043kWh/㎡, monthly average 170.3kWh/㎡, and the designed annual generation of the plant is 146GWh, monthly average 12.167GWh. According to previous meteorological data, the weather condition is very tough and unpredictable in Feb, with frequent frost, snow and sand storms.

However, it turned out to be a quite nice February in Delingha city, Qinghai Province in West China, this year, and the actual monthly DNI is 221.15kWh/㎡in Feb, which is 29.9% more than that under TMY condition. The theoretical generation via performance simulator system is 16.6953GWh, but the actual generation is 17.1795 GWh in Feb, 41.2% more than average monthly generation; and monthly generation fulfillment rate is 102.9%, compared with the simulator. Both the actual generation and the fulfillment rate set the highest bench mark of the plant since COD.

According to the operation log, the plant was in operation for 29 days in the past 31 days, from Jan 26 to Feb 25, with 2 days shut down due to cloudy sky. There were 23 days, in which the daily generation was more than 100% compared to the system theoretical data.

Round the clock operation record

From Feb 1st to 13th, the plant was in continuous round the clock operation for 292.8 hours, with gross generation 8.39GWh, average generation fulfillment rate 105.2%, which breaks the performance records of the plant since last Dec, in terms of continuous operation time, continuous generation and generation fulfillment rate of the plant.

The plant was transferred to the Owner last September, and started performance evaluation since October 2019. The operation performance in the past five months was shown in Chart 1:

As is shown in the chart above, the accumulative generation in the past five months is 61.8562GWh, among which 55.4519GWh was fed into the grid. The monthly generation fulfillment rate increased rapidly, as is shown in chart 2. The average generation fulfillment rate was 96.41% in the past five months, even over 100% in the past two months (Jan and Feb 2020.)

The project developer ZHEJIANG SUPCON SOLAR TECHNOLOGY CO., LTD. (SUPCON SOLAR for short), founded in 2010, is one of the earliest enterprises engaged in the research and industrialization of CSP technology. Since its foundation, SUPCON SOLAR has been dedicated to the research of molten salt tower CSP technology, equipment and utility-scale application, using advanced and efficient CSP technology to provide high-quality and low-cost clean energy.

Through years of technological breakthrough, SUPCON SOLAR has mastered integrated molten salt tower CSP technologies and established whole industrial chain, which is able to provide domestically sourced equipment, providing reliable and mature solutions of CSP plant construction.

Supcon Solar is also positive and active in global CSP markets and quite open to seek for cooperation with overseas partners in CSP project development, EPC, equipment & material purchasing etc. Supcon Solar has been joining CSP Focus MENA series events as leading Sponsor in recent years and if you would like to get in touch with Supcon Solar on CSP issues, you are much welcome to join the upcoming 5th CSP Focus MENA 2020 Conference & Expo on Jun.23-24 in Dubai, which is the unique professional event for global CSP peers focusing on MENA region.

Source: CSP Focus

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