Some methods to calculate PV cleaning cost

Release time: 2022-10-25 22:12:52.456

Many PV practitioners are optimistic about the professional PV cleaning market, but they are still confused. PV cleaning machine manufacturers share some common practices in the PV cleaning industry for your reference.

Cost estimation:

The PV cleaning cost is calculated according to the reference quota of component cleaning. According to the conventional method, that is, the cost of cleaning an area of about 800~1000 square meters every day by workers using common methods (such as rags, mops, etc.) is about 250 yuan (including 200 yuan for workers' wages, and other costs are miscellaneous expenses, such as detergent consumption, etc.). That is, the cleaning cost of PV devices per square meter is 0.2~0.3 yuan, which is equivalent to about 1~2 yuan per kilowatt, that is, 1000~2000 yuan per kilowatt.

A single machine can clean 500-800 square meters per hour and 5000-7000 square meters per day (according to the current power of photovoltaic panels, about 0.8-1.2 megawatts after conversion), depending on the degree of pollution of different photovoltaic panels.

On site cleaning of photovoltaic panels.

The efficiency of the original method is quite different from that of the traditional method, because the machine cleaning efficiency is high and it is not tiring to use. You can take a break to fully maximize the equipment efficiency. The same labor cost, machine cleaning, efficiency of about 7 times.

PV panels are cleaned manually.

The calculation refers to the configuration of different units:

The photovoltaic cleaning machine is supplied with water by a high-pressure water pump, which drives the disc brush to rotate at a high speed for cleaning. It integrates water spraying and rotating brush. One person can operate, and others are required to help pull the pipe and monitor the operation of the water pump. That is to say, two people are required to operate one double spin photovoltaic cleaning machine. However, if two devices are operated at the same time, three or four people are required. If 10 cleaning brushes are operated at the same time, a total of 13 or 4 people are required. The wider the operation area, the more simultaneous startup, the fewer relevant personnel, and the lower the labor cost.

Small PV cleaning team organizes different operation conditions:

It is recommended to equip 3 persons for one set of equipment for general work at heights (such as cleaning large area roof panels). The ground personnel are responsible for the operation of the pump, and 2 people are required for the roof cleaning operation, namely, safety monitoring, work rotation and rest. Such cooperation is relatively high in cleaning efficiency and equipment utilization; The cleaning operation of the ground photovoltaic power station is relatively simple. Generally, two people can do it.

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