150MW/600MWh Qinghai Delingha Energy Storage Project Tender Announced by State Power Investment Corporation

150MW/600MWh! The State Power Investment Corporation (SPIC) has announced the bid for the EC general contracting project of the Qinghai Delingha Tusu Energy Storage Station. This project is located in the western part of the photovoltaic and solar thermal park at the west exit of Delingha City, Haixi Mongolian and Tibetan Autonomous Prefecture, Qinghai Province. The final configuration of the energy storage system will have a capacity of 150MW/600MWh (the energy storage system equipment will be provided by the bidder), with a centralized energy storage system capacity of 100MW/400MWh and a high-pressure cascading energy storage capacity of 50MW/200MWh.

The project includes the construction of one 35kV energy storage switching station, which will connect the energy storage devices through six circuits to the 35kV switching station. This station will then link to the 330kV Yellow River Delingha Station #5 main transformer through three 35kV overhead lines (approximately 4.0 km in length). (Final connection will be based on the connection system report.)

The specific scope of the tender includes: surveying and design, procurement of equipment and materials (excluding the procurement of energy storage system equipment), equipment supervision (excluding energy storage system equipment), construction of architectural installation engineering, project management, power quality supervision, quality supervision, technical supervision, commissioning, testing, acceptance (including special acceptance such as safety facility acceptance, environmental supervision acceptance, archives, water conservation acceptance including monitoring and supervision, fire acceptance, occupational disease hazard and prevention acceptance, and all other special acceptances as stipulated by national and industry regulations), training, performance quality assurance, and engineering quality warranty services; responsible for the following work and bearing all related costs.

The planned construction period is set to start on June 10, 2025, with design plan review completed by May 30, and all systems expected to be operational by November 30, 2025. Bidders are required to have at least one independent energy storage project with a total capacity of 100MWh or more, or a total capacity of 600MWh in energy storage projects (EPC or EC) in the past three years (submission of the winning notice, contract, commissioning proof, or completion acceptance report is necessary).

Project Name: Qinghai Delingha Tusu Energy Storage Station EC General Contracting Project
Contract Number: To be determined during contract negotiation
Tender Project Number: DNYZC-2025-04-01-907
Tenderer: State Power Investment Corporation Huanghe Upstream Hydropower Development Co., Ltd.
Client: Qinghai Haixi Yellow River New Comprehensive Energy Co., Ltd.
Tendering Agency: Huanghe Hydropower Material Co., Ltd.

Huanghe Hydropower Material Co., Ltd., entrusted by the SPIC Huanghe Upstream Hydropower Development Co., Ltd., is conducting public bidding for the EC general contracting project of the Qinghai Delingha Tusu Energy Storage Station. After winning the bid, the bidder will sign a contract with the client. The key information is as follows:

1.1 Project Overview
The Delingha Tusu Energy Storage Station project is a supporting energy storage project for the first phase of the 2.2 million kilowatt multi-energy complementary project in Delingha, which includes a 1 million kilowatt solar energy construction project. After completion, it will provide reliable power support to the grid during peak load periods through coordinated and optimized operation, alleviating peak shaving pressure on the grid and enhancing the grid’s capacity to absorb renewable energy.

The Delingha Tusu Energy Storage Station is located in the western part of the photovoltaic and solar thermal park at the west exit of Delingha City, approximately 21 km from Delingha City. The site features flat terrain, an average elevation of about 3200m, and convenient surrounding transportation, making it well-suited for construction, adjacent to the 330kV booster station associated with the 1 million kilowatt solar project.

The project will ultimately have an energy storage system capacity of 150MW/600MWh, with a centralized energy storage system capacity of 100MW/400MWh and a high-pressure cascading energy storage capacity of 50MW/200MWh. The construction includes a single 35kV energy storage switching station, with energy storage devices connected to the 35kV switching station through six circuits. The switching station will subsequently connect to the 330kV Huanghe Delingha Station #5 main transformer through three 35kV overhead lines (approximately 4.0 km in length). (Final connection will be based on the connection system report.)

1.2 Tender Scope
1.2.1 Work Scope
The EC general contracting project for the Delingha Tusu Energy Storage Station involves the construction of a 150MW/600MWh (DC side battery capacity) lithium iron phosphate battery energy storage system, capable of participating in grid dispatching and electricity market trading as an independent market entity. The specific tender scope includes: surveying and design, procurement of equipment and materials (excluding the procurement of energy storage system equipment), equipment supervision (excluding energy storage system equipment), construction of architectural installation engineering, project management, power quality supervision, quality supervision, technical supervision, commissioning, testing, acceptance (including special acceptance (such as safety facility acceptance, environmental supervision acceptance, archives, water conservation acceptance (including monitoring and supervision), fire acceptance, occupational disease hazard and prevention acceptance, and all other special acceptances as stipulated by national and industry regulations), training, performance quality assurance, and engineering quality warranty services; responsible for the following work and bearing all related costs.

1.2.1.1 Design Requirements: The bidder should optimize the design of the project based on the latest technical standards of the energy storage industry and national and industry standards.
(1) Connection to the 330kV booster station design boundary: the new switching station will connect to the Huanghe 330kV booster station through three 35kV collection lines (including cable terminal production, testing, and installation), remote monitoring systems, and related auxiliary systems, and network channels.
(2) Construction and installation: Comprehensive electrical cabin foundation, water pump room, hazardous waste storage, firewater tank, cable trench, water supply and drainage, surrounding walls, internal circular roads, access roads, tower fittings and auxiliary facilities, tower foundations, fire safety facilities, deep wells, and water supply pipelines (to collection station water pump room), fire hydrant system pipelines, etc.
(3) Electrical engineering: main electrical connections and selection of related electrical equipment, parameter verification, power cables, energy storage collection station interface design, primary and secondary electrical devices, station transformers, and station power distribution systems, grounding networks, lightning protection systems, overhead lines, auxiliary facilities, and network-related equipment.
(4) Energy storage control strategies should have the following functions to meet the subsequent requirements for the energy storage station to participate in grid dispatching and electricity market trading as an independent market entity. Grid connection mode: connected to the Qinghai grid for operation, directly receiving dispatch instructions (including AGC, AVC, stability control, etc.), meeting system peak shaving needs, while having both station control and remote centralized monitoring functions; smooth switching between microgrid and grid connection modes; all grid connection procedures and coordination to be completed by the bidder.

1.2.1.2 Survey and Design
1) Preliminary Design: The energy storage station and its associated works (including site leveling, buildings, structures, decoration, water supply and drainage, HVAC, primary electrical system equipment, secondary electrical system equipment, in-site communication and dispatch automation and communication systems, lighting, roads, collection lines, site greening, video monitoring, smart security, firefighting, environmental protection, water conservation, labor safety, occupational health, flood prevention facilities, energy saving, etc.) and the connection of the Tusu energy storage station to the Huanghe 330kV booster station through the 35kV overhead lines must meet the initial design depth and content requirements, completing the corresponding preliminary design work and forming preliminary design documents while preparing a budget.
2) The preliminary design report must include comprehensive explanations, engineering geology and hydrology, project tasks and scale, energy storage system selection design, electrical design, civil construction design, fire safety design, construction organization design, environmental protection and water conservation design, labor safety and occupational health design, energy saving and emission reduction, project cost estimate, financial evaluation, and social effect analysis, etc. Other preliminary design documents include terrain survey results, detailed geological survey results, various calculation documents, and various relevant agreements and supporting documents, etc.

3) The bidder must submit their qualifications for third-party review organizations (to be confirmed by the tenderer before commissioning) to carry out preliminary design and budget review work.
4) Assist in the declaration and application for energy storage grid pricing, providing necessary design materials and reports.
5) Prepare tender documents for the equipment and materials required in the energy storage station project (including technical specifications).
6) Prepare mandatory implementation plans, preventive measures for common quality issues, EMS system access plans, etc. The necessary national or local standards, relevant drawings, and grid-related parameters for this project shall be obtained at the bidder’s expense.
7) The safety facility design for the energy storage station should consider safety monitoring information collection and transmission, with the design needing to be reviewed by the tenderer, and safety facilities must be designed, constructed, and put into operation simultaneously with the main project.

8) The project design should collect detailed information about the construction site, considering geological structures, natural disasters, and surrounding buildings and structures that may affect the safety of the energy storage station, with a focus on rainwater infiltration, flooding, lightning damage, etc., and developing corresponding strategies and plans.
9) The project design should comprehensively assess the safety risks of the energy storage system, focusing on hazards such as fire and explosion, equipping necessary temperature and smoke detectors, effectively designing fire safety systems, and taking reasonable preventive measures.

1.2.1.3 Equipment Procurement
The bidder’s procurement scope includes the procurement (installation, commissioning) of fire safety system equipment (All equipment for battery systems is provided by Beida Qingniao), primary electrical equipment procurement including power cables and their accessories, 35kV overhead lines, 35kV high-voltage prefabricated cabins, station transformer systems, and 0.4kV station switchgear and their auxiliary facilities; secondary electrical equipment procurement including computer monitoring systems, EMS energy management systems, fault recording devices, protection and information fault recording devices, power quality devices, AGC/AVC systems, communication systems, safety stability devices, panoramic monitoring systems, control power systems, AC and DC systems, synchronized phasor measurement devices, optical transmission systems, establishment and integration with the group company’s industrial data platform, construction of the State Power Investment Corporation safety monitoring information platform, and integration with the Huanghe Company’s new energy centralized control center, and the Qinghai Green Energy Big Data Center, smart site construction, remote operation systems, fast frequency response systems, primary frequency modulation systems, cybersecurity systems, dispatch data network systems and other related network equipment; procurement, supply, transportation, unloading, secondary transportation, acceptance, inspection, testing, cleaning, and custody of all required equipment and materials excluding energy storage system equipment; provision of specialized tools and spare parts necessary for one year of maintenance.

1.2.1.4 Construction and Installation Engineering
During the construction phase, the contractor must prepare a construction plan and submit it to the client for review, detailing how construction will be conducted and the overall planning of the project. The contractor is also responsible for handling construction procedures; the client will assist the contractor in completing construction and land acquisition procedures.
(1) Project management, commissioning, grid connection, inspection, testing (including network performance testing), security assessment, acceptance (including special acceptance, quality supervision inspection, production handover, and compliance for production and operation, etc.), training, performance quality assurance, engineering quality warranty services, etc., for the Tusu energy storage station and the outgoing 35kV overhead line project. This includes site leveling, buildings, structures, decoration, water supply and drainage, HVAC, primary electrical system equipment, secondary electrical system equipment, in-site communication and dispatch automation and communication systems, lighting, roads, collection lines, site greening, video monitoring, smart security, firefighting, environmental protection, water conservation, labor safety, occupational health, flood prevention facilities, energy saving, etc., as well as other engineering tasks needed to ensure the project’s rationality and completeness.

1.2.2 Project Timeline
The planned construction period starts on June 10, 2025, with design plan reviews completed by May 30, and all systems expected to be operational by November 30, 2025. The specific start date will be confirmed by the written notice from the tenderer, with the grid connection timeline remaining unchanged.

1.3 Funding Sources
This project will be funded by Qinghai Haixi Yellow River New Comprehensive Energy Co., Ltd. using its own funds and bank loans, with funding already secured.

1.4 Bidder Qualifications
1.4.1 Legal Status
Bidders must be registered with the market regulatory authorities of the People’s Republic of China, possessing independent legal person and general taxpayer qualifications, with comprehensive Class A engineering design qualifications or Class A or higher in the power industry (including transmission and substation engineering). Bidders must also have the following qualifications:
(1) First-class or higher qualification in general contracting for power engineering. If the design unit does not hold construction qualifications, it may entrust a qualified construction unit to perform the construction;
(2) The construction unit must hold a Class II or higher installation and testing license for electric power facilities issued by the National Energy Administration. If the construction unit does not have a Class II testing qualification certificate, it may entrust an enterprise with the Class II testing qualification certificate to undertake the testing work;
(3) The construction unit must have a valid safety production license. The qualifications of the proposed entrusted company must be provided at the time of bidding.

1.4.2 Main Personnel Qualifications
The project chief designer must be a registered employee of the bidder, while other main personnel may be registered employees of the proposed entrusted unit. A proof of payment for pension insurance from the national social security agency for the past three months must be provided.
1. The project chief designer must have a registered engineering design qualification (一级注册建筑师, or 一级注册结构工程师, or 注册电气工程师) and a senior or higher engineer qualification; must have served as the chief or deputy chief engineer for at least one project with a capacity of no less than 20MWh of lithium iron phosphate battery energy storage in the past five years, with proof provided.
2. The project manager must have a一级注册建造师 (first-class registered constructor) qualification and a valid safety production assessment certificate (B certificate); must have served as the project manager or deputy manager for at least one project with a capacity of no less than 20MWh of lithium iron phosphate battery energy storage in the past five years, with proof provided.
3. The safety supervisor must be 50 years old or younger and hold a registered safety engineer certificate; must have served as the safety management leader for at least one project with a capacity of no less than 20MWh of lithium iron phosphate battery energy storage in the past five years, with proof provided.
4. The technical supervisor must be 50 years old or younger, hold a corresponding first-class registered constructor qualification and a valid safety production assessment certificate (B certificate), and must have served as the construction leader for at least one project with a capacity of no less than 20MWh of lithium iron phosphate battery energy storage in the past five years, with proof provided.

Notes:
1. All qualifications must be substantiated with adequate and valid written evidence; otherwise, they will be deemed non-compliant.
2. The above personnel must not hold concurrent positions in other projects outside this one.
3. The main project refers to the civil engineering or electromechanical installation engineering of the energy storage system.

1.4.3 Commercial Reputation
Bidders must have good commercial reputations and must not be listed as dishonest persons subject to enforcement, determined based on the results of searches on the Credit China website.

1.5 Performance
Bidders must have at least one independent energy storage project with a total capacity of 100MWh or more in the past three years, or a total capacity of 600MWh in energy storage projects (EPC or EC) along with supporting documents like the winning notice, contract, commissioning proof, or completion acceptance report.

1.6 Qualification Review
The tenderer will conduct a qualification review based on the documents provided by the bidders during the evaluation phase. Bidders who fail the qualification review will not proceed to the next stage of evaluation, with consequences borne by the bidders themselves.