Guoneng Sichuan Mianning 120MW Photovoltaic Project EPC General Contracting Bid, DC-side Installed Capacity 146.43MWp Planned for Full Capacity Grid Connection in 2027
Key facts
- Guoneng Sichuan Minning New Energy Co., Ltd. launched an EPC tender for a 120MW AC photovoltaic project in Liangshan Yi Autonomous Prefecture
- The project features a DC-side installed capacity of 146.432 MWp and requires the construction of a new 220 kV step-up substation
- The new substation will be connected to the newly built Yele Switching Station to facilitate full capacity grid connection in 2027
- The EPC contract scope includes engineering survey, design, equipment procurement, construction, and environmental restoration over a 12-month duration
October 27, Datong River Company, Minning Company, Minning #2 Site, Tuo Wu Photovoltaic Project, Main EPC General Contracting Project, Open Tender.
Project entity: Guoneng Sichuan Minning New Energy Co., Ltd. Project located in the Bridge Town of Minning County, Liangshan Yi Autonomous Prefecture, Sichuan Province. Planned DC-side installed capacity: 146.432 MWp; AC-side capacity: 120 MW; new 220 kV step-up substation to be constructed, connected to the newly built Yele Switching Station.
The bidding for the 120MW photovoltaic project in Mianing, Sichuan Province, under EPC general contracting, with a DC-side installed capacity of 146.43MWp, planned for full capacity grid connection in 2027.
This bidding covers all works including but not limited to engineering survey and design (preliminary design and construction drawings, completion drawings), equipment and material procurement, construction and installation engineering, equipment and facility inspection and testing, environmental protection and water conservation, ecological restoration engineering, and administrative procedures.
Total project duration: 12 months (including survey and design, construction, and full capacity grid connection), scheduled from December 1, 2026, to November 30, 2027.
After full capacity grid connection, the project must complete all defect elimination within 2 months, safety, occupational health, and water conservation acceptance within 3 months, environmental protection, archive, and engineering settlement audit, as well as commercial operation transition within 6 months, and final acceptance within 12 months; after successful trial operation, initial acceptance for qualification and commissioning must be completed within 3 months, and reinspection must be completed within 6 months after initial acceptance.
Regarding performance, bidders must have at least two EPC general contracting contracts for photovoltaic power generation projects of 100MWp or more (including photovoltaic field and step-up station) between October 1, 2021, and the bidding closing date (as per contract signing date), and both projects must have been commissioned.
Bidding documents start for purchase on October 27, 2026, at 20:00, and the purchase deadline is November 2, 2026, at 09:00.
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Pvola take
Developers and EPC contractors must prioritize rapid execution to meet the strict 12-month completion deadline for full grid connection. The requirement to build a new 220 kV substation adds significant infrastructure complexity, demanding early coordination with grid authorities. This timeline pressure highlights the critical need for efficient project management to avoid delays in commercial operation.
Frequently asked questions
What is the planned grid connection timeline for the Guoneng Sichuan Minning 120MW photovoltaic project?
The project is planned for full capacity grid connection in 2027. The total project duration is set at 12 months, including survey, design, and construction phases.
What are the DC-side and AC-side installed capacities for the Guoneng Sichuan Minning solar project?
The DC-side installed capacity is 146.432 MWp, while the AC-side capacity is 120 MW. A new 220 kV step-up substation will be constructed to connect to the Yele Switching Station.
What specific engineering and administrative tasks are included in the EPC general contracting bid for this project?
The bid covers engineering survey, design, equipment procurement, construction, and environmental protection works. It also includes administrative procedures and ecological restoration engineering for the site in Minning County.