The 12kw solar power system is mainly used for a large family, small commercial and industrial power supply. The photovoltaic panels provide the main power supply, with the batteries and utility supplying power to the loads on rainy days and evenings. The system can generate up to 12kWh per hour in the middle of the day, and will generate very little power in the morning and evening. If your budget is sufficient, it is recommended to purchase a hybrid system with batteries to maximize the use of PV power during the day.
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How much does a 12kw solar system produce?
A 12kw solar power system can generate between 36kWh and 70kWh of electricity per day. The tilt angle at which the PV panels are mounted, the latitude and altitude of the area where they are located, and the temperature are all important factors that affect the amount of solar radiation.
You can refer to the image below to know the peak sunshine hours per day in your area to calculate the amount of power a 12kw system can generate in your area.
For example, if the area is 5kwh per day, then the 12kw can generate 5×12=60kWh per day.
You can also contact us to calculate the PV power generation according to your city.
12kw Solar System Size
The size of a 12kw solar system is approximately 55 square meters (600 square feet), which is based on the installation of 22 pieces of 550-watt solar panels. The actual installation area required for the solar panels must be carefully designed and precisely calculated, taking into account the specific characteristics of your roof or ground type, such as orientation, slope, shading conditions, and available space.
12kw Solar System Price
The price of a 12kw solar system is from $2700 to $6500, and it costs mostly for the PV panels, the inverter, and the Li-ion batteries, of which the Li-ion batteries make up a large portion. If you don’t need battery backup, then choosing a on grid system with a simple structure is fine.
| Model | Price |
|---|---|
| 12kw on grid solar system | Around 2700USD |
| 12kw off grid solar system | Around 5500USD |
| 12kw hybrid solar system | Around 6500USD |
12kw Solar System Installation
What Can a 12kw Solar System Run?
The 12kw solar system can power loads with a total power of up to 12kw or loads with motors of up to 6HP, making it highly suitable for a wide range of household appliances. This system is capable of providing sufficient energy to support high-consumption devices such as air conditioners, refrigerators, washing machines, and even electric vehicle charging.
On average, a 12kw solar system can generate approximately 36kwh to 70kwh of energy per day, depending on sunlight exposure and location. This level of power output ensures that it can meet the daily electricity needs of most average-sized homes, significantly reducing reliance on grid power and lowering energy bills.
How does a 12kw solar system work?
1. Solar panels absorb sunlight
Install solar panels in sunny locations and convert sunlight into direct current through the photovoltaic effect.
2. Direct current transmission
The direct current generated by solar panels is transmitted to the solar inverter through cables to ensure stable power transmission.
3. DC to AC conversion
Solar inverters convert direct current into alternating current, making it suitable for household or commercial use.
4. Power distribution and utilization
The converted AC power is distributed to household or commercial loads through distribution boxes to meet daily electricity needs.
5. Excess power treatment
Excess electricity can be stored in batteries or integrated into the grid to achieve efficient energy utilization.
Factors Affecting Efficiency of a 12KW Solar System
1. Geographic location and climate conditions: Sunlight intensity and duration directly affect power generation efficiency, with sunnier areas having higher efficiency.
2. Panel orientation and tilt angle: Optimal orientation and tilt angle depend on installation latitude, and incorrect settings can reduce efficiency.
3. Shadow occlusion: Shadows from trees or buildings can significantly reduce power generation efficiency and lead to power loss.
4. Temperature impact: High temperatures can reduce solar cell efficiency and result in power loss.
5. Dust and dirt: Accumulation of dust, bird droppings, or debris can block sunlight and reduce power generation.
6. Panel aging: High-quality solar panels experience an annual efficiency decline, while low-quality panels may decline faster.
7. Solar inverter efficiency: High-quality solar inverters can achieve high conversion efficiency, while inefficient inverters can cause power loss.
8. Wiring loss: Unreasonable wiring design may result in power loss.
9. Seasonal changes: Summer has longer sunshine hours and higher power generation, while winter has a shorter sunshine duration and lower power generation.
10. Solar panel efficiency: High-efficiency monocrystalline silicon solar panels can convert more sunlight into electricity than polycrystalline silicon or thin film panels.
12kw Solar Power System FAQ
The 12kw solar power system consists of 22 pieces 550watt, 28 pieces 450watt, or 30 pieces 300watt solar panels. Currently, the most commonly used solar panel is the 550watt.
Yes. sure. Ground mounted 12kw solar systems typically require more space but can provide better ventilation and heat dissipation conditions. The advantage of ground installation is that the angle of the solar panel can be freely adjusted without being limited by the roof structure.
Although the 12kw solar system performs best in sunny areas, it can still be used in areas with cloudy or insufficient sunlight. However, power generation may decrease, so larger systems or energy storage equipment may be needed in these areas.
Yes, a 12kw solar system can operate off-grid with the right setup. This typically involves pairing the system with sufficient battery storage to store excess energy generated during the day for use at night or during periods of low sunlight. Additionally, some 12kw systems are designed specifically for off-grid use, featuring built-in MPPT controllers and compatibility with various battery types.
A 12kw solar system can be combined with wind power, energy storage systems, or generators to form a hybrid energy system. This hybrid approach enhances energy reliability, reduces reliance on a single source, and allows for optimized power usage, making it suitable for diverse applications, including residential, commercial, and off-grid settings.
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