250kW hybrid solar system

250kW hybrid Solar system

Daily generating capacity: 949.76kWh
Stored power: 512kWh


250kW hybrid solar system

Supporting configuration list

250kW hybrid inverter * 1
530W Solar Panel * 560
640V 800Ah Lithium Battery * 1
7 input, 1 output control box * 5
4MM2 photovoltaic line* 2600m
MC4 connector * 300
Mounting bracket (Roof/Ground)

Driven electrical appliances

within 250kW (resistive load)
within 83.3kW (inductive load)

Installation area

About 1472.78 square meters



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A 250kW hybrid solar system is a substantial renewable energy solution that can provide significant power generation while integrating seamlessly with other energy sources. Here’s a detailed proposal for a 250kW hybrid solar system, including its configuration, rationale for the setup, applications, and connection methods:


  1. Solar Panels: Install approximately 750 to 800 high-efficiency solar panels, each with a capacity of around 315-330 watts. These panels can be arranged in multiple arrays to optimize sunlight capture.
  2. Inverters: Use multiple string inverters or a central inverter system, depending on the site’s layout and shading conditions. String inverters offer flexibility and scalability, while central inverters are efficient for larger installations.
  3. Battery Storage: Incorporate a substantial energy storage system with a capacity of at least 500 kWh to store excess solar energy for use during nighttime or cloudy periods. Lithium-ion or advanced lead-acid batteries are ideal for such applications due to their energy density and cycle life.
  4. Diesel Generator (Optional): In cases where grid stability is a concern or as a backup power source, integrate a diesel generator with an appropriate capacity (e.g., 100kW) and automatic transfer switches.
  5. Monitoring and Control: Implement a comprehensive monitoring and control system to track the solar system’s performance, battery charge/discharge, and grid interaction. This allows for real-time optimization and remote management.

Rationale for Configuration:

  • Solar Panels: High-efficiency solar panels maximize energy production, ensuring the system generates as much electricity as possible.
  • Inverters: The choice between string and central inverters depends on site-specific factors like shading, layout, and maintenance preferences. String inverters offer redundancy and flexibility, while central inverters can minimize losses in large-scale systems.
  • Battery Storage: A substantial battery bank enhances self-sufficiency and resilience. It stores excess solar energy, enabling continuous power supply during grid outages or at night.
  • Diesel Generator (Optional): The generator serves as a backup during prolonged periods of low solar generation or emergencies, providing an uninterrupted power supply.

Applications of 250kW hybrid solar system:

  • Commercial Facilities: This 250kW hybrid solar system is suitable for powering commercial establishments like factories, warehouses, or office buildings, reducing electricity costs and environmental impact.
  • Rural Electrification: It can be deployed in remote areas without reliable grid access, providing clean energy for essential services, such as schools, medical clinics, and community centers.
  • Microgrids: The system can be the cornerstone of a microgrid, offering energy resilience and sustainability for isolated communities or industries.

Connection Method of 250kW hybrid solar system:

  • Grid-Tied: Connect the solar system to the grid to enable net metering, allowing surplus energy to be exported to the grid in exchange for credits. This integration ensures a stable power supply and the opportunity to sell excess energy back to the utility.
  • Battery Integration: Implement a sophisticated energy management system (EMS) to manage the charge and discharge of the battery storage. During periods of low solar generation, the EMS can seamlessly switch to battery power to maintain a consistent energy supply.
  • Diesel Generator Integration: In case of extended periods of low solar generation or as a backup power source, integrate the diesel generator with an automatic transfer switch. The generator can start automatically when battery levels are critically low or during grid outages.

In conclusion, a 250kW hybrid solar system with the proposed configuration and integration methods offers a versatile and sustainable energy solution for a range of applications. It maximizes solar energy utilization, enhances energy security through storage and backup options, and contributes to reducing both operational costs and the carbon footprint of the connected facilities or communities. Careful planning, monitoring, and maintenance will ensure optimal performance and longevity of the system.


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