Price cap of 1.05 yuan/Wh! Tender for EPC of 200 MWh User-side ESS in Chongqing, 2025-2026!

Polaris Energy Storage Network News: On May 14, Chongqing Liangjiang Changxing Power Co., Ltd. issued a tender announcement for the EPC of user-side ESS projects in Chongqing for 2025-2026. The construction scale of this project is expected to be 200 MWh, with unit price bidding applied. The maximum tax-inclusive unit price limit for the project is 1.05 yuan/Wh.

The scope of the tender includes the construction of user-side ESS projects and the implementation of supporting projects, encompassing project filing, survey and design, procurement and supply of a complete set of equipment for the energy storage system, and procurement and supply of equipment and materials outside the energy storage system.

The supply of energy storage system equipment includes batteries and battery systems, EMS (including data acquisition), BMS, PCS, monitoring systems, temperature control systems, fire protection systems, isolation transformers (configured according to the technical requirements of the manufacturer's equipment), pre-installed step-up box transformers (configured according to the requirements of 10 kV grid connection projects), real-time energy storage controllers, energy storage confluence cabinets, ancillary equipment (including containers, cabinets, and internal power distribution, environmental control, fire protection, lighting, etc., as well as all electrical components, cables, and communication cables within the cabinets, power transmitters or smart meters for monitoring user-side power), system protection and safety automation devices (if any), gateways, switches, meters (including third-party calibration and verification), etc.

The performance requirements include having one design + one construction performance or one design-build general contracting performance or one EPC general contracting performance. It is necessary to have one of the following supply performances related to energy storage equipment: performance in a single LFP user-side ESS integration project of no less than 5 MWh or cumulative performance in LFP user-side ESS integration projects of no less than 50 MWh.

Consortium bidding is accepted for this tender.

The original text is as follows:

Tender Announcement for the EPC General Contracting Framework of User-Side Energy Storage Projects in 2025-2026 by Chongqing Liangjiang Changxing Power Co., Ltd.

1. Tender Conditions

This tender project, the EPC general contracting framework for user-side energy storage projects in 2025-2026 by Chongqing Liangjiang Changxing Power Co., Ltd., is funded by the enterprise's own funds, with a project contribution ratio of 100%. The bid inviter is Chongqing Liangjiang Changxing Power Co., Ltd., and the project construction units are Chongqing Liangjiang Changxing Power Co., Ltd. and its subsidiaries (Changdian Energy (Guangdong) Co., Ltd., and the managed company Changdian Energy (Shanghai) Co., Ltd.). The project has met the tender conditions, and an open tender is now being conducted for the survey and design, procurement, and construction general contracting of this project.

2. Project Overview and Tender Scope

2.1 Construction Location: Regions including Chongqing, Guangdong, Zhejiang, Jiangsu, Shanghai, Anhui, Sichuan, Guizhou, Hunan, etc.

2.2 Project Overview and Construction Scale: Acquire user-side ESS projects within the aforementioned provinces and cities, and undertake the implementation of user-side ESS engineering construction and supporting projects after approval by the construction unit. The estimated construction scale for this tender is 200 MWh, with unit price quotation adopted. The maximum tax-inclusive ceiling price for the project unit price is 1.05 yuan/Wh.

Note: The specific project scale and capacity for this tender shall ultimately be subject to the specific project orders and implementation contracts issued by the bid inviter to the contractor. In case of any project adjustments during the implementation process, the adjusted version by the bid inviter shall prevail.

2.3 Scope of Tender: Acquire user-side ESS projects within the aforementioned provinces and cities, and undertake the implementation of user-side ESS engineering construction and supporting projects after approval by the construction unit. This includes project filing, survey and design, procurement and supply of a complete set of equipment for the energy storage system, procurement and supply of equipment and materials outside the energy storage system, equipment transportation, construction and installation works (including installation materials), insurance, project management, system access, installation, commissioning, testing, acceptance, grid connection, grid-connection testing, trial operation, defect elimination, training, "three simultaneous" implementation of safety facilities (if applicable), filing and review of fire protection design with departments such as housing and urban-rural development (if applicable), review, acceptance, and filing with local power grid enterprises, local administrative and relevant units (if applicable), testing and evaluation of grid access (if applicable), access to the Three Gorges Water Conservancy Virtual Power Plant and the Employer's energy storage management platform (cloud-based EMS system), temporary technical modifications, and related services, ensuring that the energy storage system meets all conditions required for operation and passes the acceptance by the Employer, the power grid, and the energy regulatory authorities, constituting a turnkey project. All costs for all work shall be borne by the contractor, including but not limited to:

1. Project Acquisition: Market research in the target market, including but not limited to user screening, research on project-related policies, local access standards and requirements, local grid connection policies, and relevant policies on fire protection filing; provision of relevant information for the construction unit's project investment decision-making, including but not limited to "introduction to the customer's basic situation, electricity bills and power load data for the past year, topological structure diagram of the power distribution system, and plant layout plan"; and assistance to the construction unit in signing contracts with users and negotiating relevant commercial terms.

2. Engineering Survey and Design: All work and costs related to the feasibility study, complete survey, geophysical prospecting, design, review, and related services for the ESS power station itself and the transmission-out project, including but not limited to the feasibility study report, project scheme design, design of the project access system (including access to corresponding bays) and review of related schemes, construction drawing design (including review of construction drawings), monitoring system design, safety protection and VI identification design, fire protection design review, acceptance, and filing (if applicable), anti-islanding detection and safety automatic system design, as-built drawing design, environmental impact assessment (if applicable), budget preparation, protection setting calculation and review, third-party review agency, technical specifications, provision of technical consulting services to the Employer, handling of project-related application and approval procedures, review and approval of the design scheme (including drawings) by the government and local power grid enterprises (power supply departments), full-process participation and satisfaction of all functional requirements until the project passes the completion acceptance. 3. Supply of Energy Storage System Equipment:

The contractor shall purchase the energy storage system equipment and transport it to the delivery location, covering all costs required to fulfill the contractual obligations, including but not limited to:

(1) Supply of Energy Storage System Equipment: This includes batteries and battery systems, EMS (including data acquisition), BMS, PCS, monitoring systems, temperature control systems, fire protection systems, isolation transformers (configured according to the manufacturer's equipment technical requirements), pre-installed step-up box transformers (configured according to the requirements of 10kV grid connection projects), real-time energy storage controllers, energy storage converters, ancillary equipment (including containers, cabinets, and internal power distribution, environmental control, fire protection, lighting, etc., as well as all electrical components, cables, and communication cables within the containers, power transducers or smart meters for monitoring user-end power, etc.), system protection and safety automation devices (if any), gateways, switches, meters (including third-party calibration and verification), etc.

(2) Equipment Integration and Connection: The energy storage system shall be provided as an indivisible whole by the same supplier. All mechanical, electrical, communication, enclosure, grounding connections, and coordination within the energy storage system (including connection cables between the battery cabin and PCS, and between PCS and isolation transformers or step-up transformers) shall be the responsibility of the bidder. The prices for any sporadic supporting materials for the system not listed in the contract shall be included in the contract price for the listed system items, and the employer will not make additional payments.

(3) Design and Technical Services: This includes the selection, manufacturing, software design, development, updates, and upgrades of all major components of the equipment within the scope of supply, provision of relevant drawings and documentation, testing (including factory testing and ex-factory testing), packaging, equipment transportation, delivery, on-site unpacking inspection, guidance for on-site installation, commissioning, and testing, participation in joint commissioning and operation, system acceptance, participation in other equipment design liaison meetings and design coordination meetings organized by the employer, equipment maintenance, upgrades, defect elimination, corrosion prevention, maintenance, environmental pollution disposal (if any), waste disposal, insurance, taxes, technical documentation, all technical services, integration into the Three Gorges Water Conservancy Virtual Power Plant and the employer's energy storage management platform (cloud-based EMS system), integration into the energy-consuming unit's monitoring platform (including corresponding input and output devices), network security, spare parts and special toolkits, training, and after-sales services.

(4) During the warranty period, the contractor shall conduct an annual inspection of the equipment's fire protection system (the inspection unit shall possess relevant qualifications for fire protection system inspection and maintenance, and the inspectors shall hold professional qualification certificates for fire facility operators issued by relevant departments recognized by the authorities) and issue a fire protection system inspection and test report.

(5) The energy storage system equipment and corresponding equipment and facilities within the procurement scope must meet the qualified standards for battery quality sampling inspections set by relevant national and local regulatory authorities. Fire protection systems and other relevant systems must pass acceptance inspections. Batteries, battery management systems, safety monitoring, communication, automatic fire alarms, explosion self-rescue systems, process equipment, etc., within the warranty period must meet the relevant requirements of national and local regulatory authorities at all levels. If they fail to meet these requirements, free replacement or upgrades must be provided.

4. Construction and Installation Works (including equipment and materials other than those for the energy storage system):

This includes the construction of user-side ESS projects invested and built by the Employer (including project management and coordination) and the supply of equipment/materials provided by Party B (including performance and quality control). This encompasses, but is not limited to, the following: responsibility for the renovation of the power distribution system of the ESS power station, procurement, supply, and installation of equipment/materials provided by Party B for the project (including metering cabinets (including those provided by local power grid enterprises), auxiliary materials required by the local power grid enterprise's access system scheme and design review, AC cables, cable trays, etc.), installation of monitoring equipment for the ESS project and its connection to the Three Gorges Hydropower Virtual Power Plant and the Employer's ESS Management Platform (cloud-based EMS system), installation of energy storage equipment (including equipment hoisting), civil construction (including necessary measures for power supply, water supply, road access, and site leveling at the construction site, safety, health, and environmental protection measures, including land compensation, greening and young crop compensation, fencing, fire-fighting equipment, and tool storage facilities at the construction site), project quality and schedule control, project management, quality supervision by power quality supervision institutions (if any), training, etc.; the entire process of system access to the power grid system, including detection, commissioning, grid connection inspection and access, trial operation, acceptance, delivery for production, and defect elimination during the quality warranty period, while meeting other contractual responsibilities and obligations, ensuring the project complies with national standards, industry standards, local regulations at the project location, requirements of local power grid enterprises, energy-consuming units, fire protection acceptance departments, power construction project quality supervision institutions, national and local environmental protection departments, the Employer's requirements, and the content stipulated in the contract to meet the operational standards and pass acceptance and commissioning. During the project implementation process, relevant test, operation, and maintenance manuals are required to be provided; relevant testing, research and experimental costs, and engineering insurance premiums (Construction All Risks Insurance, Erection All Risks Insurance) insured for the bidder during the project implementation process; the demolition, reconstruction, and restoration of original buildings (structures) caused by the project, as well as the reinforcement of buildings (structures), the renovation of lines and bays, and the commissioning of a third-party unit with fire protection acceptance qualifications to provide a fire protection acceptance report; assisting Party A in applying for and obtaining all necessary permits and approvals from relevant departments.

5. Other related work (and bearing the corresponding costs), including but not limited to:

(1) In addition to completing the relevant procedures for municipal connections such as construction power and water supply, outward transportation of spoil, and rainwater and sewage drainage, the contractor must also ensure that all temporary facilities, construction and installation works, access roads, in-station roads, water supply and drainage systems, hardening of the energy storage area, in-station greening, and other facilities within the scope of procurement for the construction of this project meet the requirements of national standards, industry standards, the project location, local power grid enterprises, energy-consuming units, various administrative authorities, and the contract, and comply with the requirements specified in the operational standards. The contractor must complete the construction of ancillary facilities such as safety, environmental protection, fire protection, waterproofing, sand prevention, dust prevention, rodent prevention, theft prevention, retaining walls, drainage ditches, slope protection, turf, trees, supplementary greening, transplantation, and restoration.

(2) The contractor must promptly complete the grid connection inspection and acceptance by power grid enterprises for the electrochemical energy storage power station through technical and management services, complete the grid connection test report and model evaluation report (if any), provide the power quality prediction and evaluation report (if any) and power quality test and analysis report (if any) issued by a (CMA or CNAS) accredited organization, and be responsible for fire protection acceptance, fire protection registration, and spot checks, as well as related services during the warranty period within the contracting scope (including the procurement and supply of all spare parts and special tools during the warranty period, as well as the compilation and delivery of relevant technical documents).

(3) Provide 2 years of network communication services and costs for the energy storage power station.

(4) Be responsible for all coordination work of the project, handle all permit documents, procedures, registrations, and acceptance work related to the project, and be responsible for the configuration of fire-fighting equipment and safety tools required for the operation of the energy storage power station.

(5) Meet the access requirements of the Three Gorges Water Conservancy Virtual Power Plant and the Employer's Energy Storage Management Platform (cloud-based EMS system), and provide the gateways and switches required for the access to the virtual power plant platform as per the requirements.

(6) Conduct demonstration and evaluation of safety conditions and facilities for electrochemical energy storage projects. Conduct a comprehensive analysis of the safety production conditions and facilities of electrochemical energy storage projects during the feasibility study stage and form a written report; inspect the safety facilities of the project after completion or trial operation, and promptly rectify any issues found; conduct a post-safety evaluation after the project has been in operation for a certain period to ensure the safety and reliability of the project throughout its life cycle. 2.4 Project Implementation: The EPC general contractor is responsible for the survey, design, budget preparation, drawing preparation, construction, selection and procurement of all equipment and materials for each individual project; responsible for project safety, quality, duration, safe and civilized construction, and acceptance; responsible for all costs incurred during the project implementation process, including testing, research and experimentation, and insurance purchase (including the rental of construction sites and the clearance of remaining materials).

2.5 Validity Period of Framework Services: From the date of contract signing to June 30, 2026. This framework shall terminate upon the expiration of the validity period of framework services or when the bid inviter's actual procurement volume reaches the total capacity of the subject matter, with the time of project promotion by shortlisted suppliers as the basis for determining the validity period of framework services.

2.6 Contract Package Division and List of Subject Matters: The top three suppliers ranked by comprehensive scores in this project shall be designated as bid winners. The project shall be implemented through order allocation, with the supplier who first provides the bid inviter with a cooperation order for an electricity ESS project and obtains the bid inviter's decision-making approval being allocated the order share first. 1. After the issuance of the bid-winning notice, each shortlisted supplier shall provide the bid inviter with a cooperation order and project implementation plan for ESS users. The cooperation order and project implementation plan shall be subject to the bid inviter's review and approval, and shall be deemed valid upon the signing of a formal contract between the bid inviter (or its designated project construction unit) and the ESS user, or the signing of a tripartite agreement.

2. If, after receiving a written notice from the bid inviter, the selected supplier is unable to carry out the relevant work in a timely manner due to its own reasons, the bid inviter may entrust other shortlisted suppliers to carry out the work. If other shortlisted suppliers are unable to complete the entrusted matters normally due to reasons such as project duration or quality, the bid inviter may make additional procurements and entrust other suppliers to complete them. 3. The estimated procurement capacity represents the forecasted data for procurement needs, serving only as a reference for the estimated scale of the tender for the bidders, and does not constitute a commitment by the bid inviter regarding the procurement volume. The final procurement volume shall be based on the specific entrusted volume within the validity period of the actual framework results. Note: The actual project duration shall be subject to the commencement report and completion report.

2.7 Execution Rules for Framework Procurement Agreement: (1) Bidders participating in the bidding for this project must fully understand and unconditionally assume the aforementioned risks. In the event of performance or other issues arising during the validity period of the framework results, the bidders shall be held legally responsible. The bid inviter shall have the right to impose penalties for breach of contract on the bid winners under the following circumstances: 1) If a bid winner relinquishes its bid-winning qualification during the validity period of the framework tender, it shall be handled in accordance with the "Credit Management Measures for Tendering and Procurement of Chongqing Three Gorges Hydropower and Electric Power (Group) Co., Ltd." 2) If a bid winner breaches the contract, fails to meet quality standards, or is subject to orders to suspend operations, property takeover, freezing, bankruptcy, etc., points shall be deducted in accordance with the "Credit Management Measures for Tendering and Procurement of Chongqing Three Gorges Hydropower and Electric Power (Group) Co., Ltd." (2) If all bid winners are unable to meet the requirements and relinquish their bid-winning qualifications, the bid inviter shall have the right to terminate the results of this framework tender in advance and simultaneously initiate a new round of framework tendering. (3) For individual electricity ESS projects, if the unit construction cost of the project decreases due to market factors, the bidder shall undertake to adjust the contract unit price of the project accordingly based on mutual consultation between the parties prior to project decision-making. (4) The submission of a bid by a potential bid winner shall be deemed as acknowledgment and acceptance of the bid inviter's aforementioned arrangements, and the bid winner's willingness to comply with them.

3. Bidder Qualification Requirements

3.1 The following conditions must be met by bidders in this tender: 1. Qualification conditions required for bidders in this tender: (1) Design qualification: Bidders must possess comprehensive engineering design qualification issued by the construction administrative department, or Grade B or above qualification in the power industry, or Grade B or above professional qualification in the power industry (new energy power generation). (2) Construction qualification: Bidders must possess Grade III or above qualification for general contracting of power engineering construction. (3) Power facility license: Bidders must possess a license for installation (repair, testing) of power facilities issued by the National Energy Administration (formerly the State Electricity Regulatory Commission) or its dispatched agencies, with the permitted categories and grades being Grade V or above for installation, Grade V or above for repair, and Grade V or above for testing. (4) Qualification requirements for professional equipment and material suppliers: Among the EMS (virtual power plant platform system or energy storage project management system), PCS, BMS, and battery equipment of the energy storage system, bidders shall possess at least one type of self-produced equipment and provide supporting documents. For self-produced equipment, a computer software copyright registration certificate or a test report certified by a third party must be provided.

2. Performance conditions required for bidders in this tender: (1) Time requirement for performance: From January 1, 2022, to the bid submission deadline (performance shall be based on the contract signing date). (2) Type requirement for performance: ① Possess one design + one construction performance, or one design-construction general contracting performance, or one EPC general contracting performance. If the performance provided by the contractor is a consortium performance, its work division in that performance shall be consistent with the division undertaken in this project. ② Must possess one of the following supply performances related to energy storage equipment: Performance in a single user-side LFP ESS integration project of no less than 5 MWh; or cumulative performance in user-side LFP ESS integration projects of no less than 50 MWh. (3) Category requirement for performance: User-side ESS projects. (4) Supporting document requirement for performance: The contractor shall provide the contract agreement and project completion acceptance certificate or proof materials for ongoing projects for this performance, with the official seal affixed. 3. Bidders shall also possess corresponding implementation capabilities in terms of personnel, equipment, funds, etc. For details, refer to Article 1.4.1 in the Pre-attached Table to the Instructions to Bidders in Chapter II of the tender documents.

3.2 This tender accepts bids from consortia. If a bidder is a consortium, the following requirements shall be met: If the bidder is a consortium, the leading party of the consortium shall be mutually agreed upon by all members of the consortium, and the number of consortium members shall not exceed three. All members of the consortium shall sign a consortium bidding agreement, clearly stipulating the work and responsibilities to be undertaken by each party, and submit the consortium bidding agreement to the bid inviter. Each member participating in the consortium shall not submit a bid independently in its own name or participate in bids from two or more consortia simultaneously. If the consortium wins the bid, all members of the consortium shall jointly sign a contract with the bid inviter and assume joint and several liability to the bid inviter for the awarded project.