On September 1, Huaneng Mengdong Company Chifeng Base (Wengniute Banner 500MW Photovoltaic Project Area) centralized photovoltaic project design management + PC general contracting tender announcement was issued, and the tenderer was Huaneng Inner Mongolia Mengdong New Energy Co., Ltd.
The tender announcement shows that the project is located in Wudan Town, Wengniute Banner, Chifeng City, Inner Mongolia Autonomous Region, with 500 MW AC side and 600 MWp DC side . The project is planned to be completed with a capacity of 200 MW on December 20, 2025, and will be able to be connected to the grid and put into operation with full capacity on September 30, 2026. The scope of this
tender includes the design and management of Huaneng Chifeng 2 million kilowatt self-built peak shaving capacity wind and solar storage multi-energy complementary integration + desert control base project (Wengniute Banner 500000 kilowatt photovoltaic project area), photovoltaic modules , brackets, precast piles, etc. Inverter, box-type transformer, main transformer, GIS, prefabricated cabin, SVG, grounding transformer, 35kV collector line, 220KkV outgoing line, video monitoring, photovoltaic monitoring system and data collector. Supply, construction, installation, commissioning and formalities handling of auxiliary house, station transformer and standby station transformer, cable and optical cable, secondary equipment, etc., as shown in the following figure:
In terms of performance, the bidder has at least one EPC contract performance or PC contract performance of photovoltaic power generation project with single capacity not less than 500 MW alone or as the leading party of the consortium since 2021 .
The proposed project manager must have the registration certificate of Class I registered constructor (mechanical and electrical engineering or architectural engineering); must have a valid certificate of safety production assessment (B certificate); and must have a 500 MW or more completed EPC or PC general contracting photovoltaic performance. Consortium bidding, subcontracting and illegal subcontracting are not allowed for
this project .
Submission deadline/bid opening time: 9:00 , September 22, 2025.