240KW Solar factory Rooftop Commercial Power Plant, Qinghai

Against the backdrop of accelerated global energy transition, commercial and industrial distributed photovoltaic projects have become an important way for enterprises to achieve sustainable development. PWSOLAR has successfully installed and operated a 240 kW solar factory rooftop commercial project in Qinghai Province with its outstanding technical strength and rich project experience. This project uses 725W TopCon solar panels to provide efficient and reliable clean energy solutions for industrial and commercial users, becoming a model for the development of green energy in Qinghai Province.

Project Background and Significance

Qinghai Province, as an important clean energy base in China, has unique solar energy resources. In recent years, the Qinghai Provincial Government has attached great importance to the development of the new energy industry and vigorously promoted the construction of renewable energy projects such as photovoltaic power generation. PWSOLAR actively responded to national policies and fully utilized the solar energy resources in Qinghai Province by installing a 240 kW solar photovoltaic system on the roof of a factory in Qinghai Province. This project not only helps to reduce operating costs and improve energy efficiency for enterprises, but also reduces environmental pollution, promotes low-carbon development for enterprises, and has important economic and social significance.

Project Technical Proposal

Selection of Photovoltaic Modules

This project uses 725W TopCon solar panels, which have the following advantages:

High efficiency: The theoretical efficiency of TOPCon solar cells can reach 28.7%, and the actual production efficiency is close to 25%, the highest level in the industry

Low attenuation: TOPCon solar experience a 1% attenuation in the first year and a 0.4% attenuation year by year. After 30 years, the output power will not be less than 85.1% of the original output power

Low temperature coefficient: TOPCon solar temperature coefficient is -0.30%/℃

High double-sided rate: TOPCon solar have a double-sided rate of over 70%

Good low light response: TOPCon solar generate higher power under low light conditions such as cloudy days, morning, and evening

System Design

This project adopts the sales mode of "self use and surplus electricity connected to the grid", and the system design is as follows:

Photovoltaic array: adopts a fixed tilt angle installation method, and the tilt angle is optimized according to the local latitude design

Inverter: Select string inverters to ensure efficient operation of the system

Grid connected system: Configure smart meters to achieve bidirectional metering

Monitoring system: equipped with a remote monitoring platform to monitor the real-time operation status of the system

Project Implementation Process

Project Evaluation

The professional team of PWSOLAR conducted a comprehensive survey of the factory roof, evaluating its load-bearing capacity, orientation, and shading conditions to ensure the feasibility and safety of the project.

Design Proposal

Based on the evaluation results, PWSOLAR has developed a detailed design plan, including photovoltaic module layout, electrical system design, grid connection scheme, etc., to ensure the efficient operation of the system.

Equipment procurement

PWSOLAR selects high-quality suppliers to purchase 725W TopCon solar panels, inverters, and other equipment to ensure equipment quality and performance.

Construction and installation

PWSOLAR's professional team carries out construction and installation, strictly adhering to construction standards to ensure project quality.

Grid connection acceptance

After the project is completed, PWSOLAR company assists the owner in completing the grid connection procedures, passes the acceptance, and ensures the smooth grid connection and power generation of the project.

Operation and Maintenance Services

PWSOLAR provides 25 years of operation and maintenance services, regularly inspecting and maintaining the system to ensure long-term stable operation.

Economic Benefit Analysis of the Project

investment cost

The total investment of this project is about 1.2 million RMB, and the specific composition is as follows:

Solar Panels: approximately 850000 RMB

Inverter and electrical equipment: approximately 200000 RMB

Installation project: approximately 100000 RMB

Other expenses: approximately 50000 RMB

Revenue Analysis

The expected annual power generation of this project is about 288000 kilowatt hours, and the revenue will be calculated according to the following two modes:

Spontaneous self use mode:

Electricity price: 0.7 RMB/kWh

Annual revenue: 288000 kWh x 0.7 RMB/kWh=201600 RMB

Investment payback period: approximately 5.95 years

Full internet access mode:

Electricity price: 0.4 RMB/kWh

Annual revenue: 288000 kWh x 0.4 RMB/kWh=115200 RMB

Investment payback period: approximately 10.42 years

Energy saving and emission reduction benefits

This project saves approximately 115.2 tons of standard coal annually, reduces carbon dioxide emissions by approximately 287.9 tons, reduces sulfur dioxide emissions by approximately 8.64 tons, and reduces nitrogen oxide emissions by approximately 4.32 tons.

Project Advantages

Efficient and energy-saving: using 725W TopCon solar panels for high power generation efficiency

Fast investment return: The investment can be recovered in 5-7 years, and the following ten years are the pure income period

Significant environmental benefits: reducing carbon emissions and improving environmental quality

Policy support: Enjoy multiple national and local subsidies and tax incentives

Enhancing Corporate Image: Enhancing the Green Image of the Enterprise and Strengthening Market Competitiveness

success cases

PWSOLAR has successfully implemented similar projects in multiple factories. Here are some examples:

A certain automobile parts manufacturing factory: installed capacity of 200 kilowatts, annual power generation of about 240000 kilowatt hours, annual electricity savings of about 168000 RMB

A certain food processing enterprise: installed capacity of 300 kilowatts, annual power generation of about 360000 kilowatt hours, annual electricity savings of about 252000 RMB

A certain electronic manufacturing enterprise: installed capacity of 400 kilowatts, annual power generation of about 480000 kilowatt hours, annual electricity cost savings of about 336000 RMB

Project Outlook

With the continuous advancement of photovoltaic technology and the continuous decrease in costs, industrial and commercial distributed photovoltaic projects will usher in broader development space. PWSOLAR company will continue to optimize project design, improve system efficiency, reduce investment costs, provide high-quality distributed photovoltaic services for more industrial and commercial users, jointly promote the development of green energy, and achieve a win-win situation of economic and environmental benefits.

Conclusion

The 240 kW solar factory rooftop commercial project installed and operated by PWSOLAR in Qinghai Province uses 725W TopCon solar panels to provide efficient and reliable clean energy solutions for industrial and commercial users. The project has advantages such as fast investment return, significant environmental benefits, and policy support, and is an important way to achieve sustainable development for enterprises. We look forward to collaborating with more industrial and commercial users to jointly promote the development of green energy and create a better future.