At 9:00 AM on April 22, the steel structure of the receiver tower for National Energy Group’s Qingyu DC Phase II 100 MW Solar Thermal Project was successfully topped out, marking a major milestone in the construction of the project. The final steel component was precisely hoisted into place by Henan No.2 Construction Engineering Development Co., Ltd., which is undertaking its first solar thermal project.
As previously reported, the project is located in the southern part of the Ecological Solar Power Generation Park in Hainan Tibetan Autonomous Prefecture, Qinghai Province, at an altitude of 2,900 to 3,000 meters. It adopts molten salt tower technology, using binary molten salt (290/565°C) as the heat transfer and storage medium, with a thermal storage capacity of 2,780 MWh (equivalent to 12 hours of storage duration). The project is EPC-contracted by a consortium comprising PowerChina Northwest Engineering Corporation Limited and PowerChina Hubei Engineering Company Limited.
The concentrated solar power (CSP) system, supplied by Zhejiang Supcon Solar Technology Co., Ltd., features 30-square-meter quadrilateral heliostats with mirror reflectivity exceeding 94%, achieving a total light collection area of 700,200 square meters. The system integrates Distributed Control System (DCS) and heliostat field control systems through advanced communication protocols to enable high-precision optical tracking of the heliostats.
This milestone underscores the project’s progress in advancing cutting-edge CSP technology and supporting China’s renewable energy transition, while demonstrating robust collaboration among engineering, procurement, and construction partners.
