Cost and Return of Home Solar Photovoltaic Power Generation

With the progress and development of society, various energy application technologies have been continuously making breakthroughs. For example, household solar photovoltaic power generation technology has gradually come into our sight. In addition to being self-sufficient in electricity generation, it is also a good investment method. So, how much does a household solar power generation system cost? The editor from Guangxi Dingbo Generator Set Manufacturing Co.,Ltd., a generator manufacturer, will reveal the answer for you.

A household solar photovoltaic power generation system is a new type of power generation system that uses the photovoltaic effect of solar cell semiconductor materials to directly convert solar radiation energy into electricity. It has two operation modes: independent operation and grid-connected operation. Solar power generation is divided into photovoltaic power generation and solar thermal power generation. Photovoltaic power generation is a widely used solar power generation technology due to its characteristics of modular battery components, convenient installation and maintenance, and flexible usage methods. The four main components of a solar photovoltaic power generation system include solar panels, solar controllers, batteries, and inverters, as well as related connecting wires and protection facilities.

The benefits of household photovoltaic power generation include three parts: the national subsidy for power generation, which is generally 0.42 yuan per kilowatt-hour. The second is using the generated electricity by oneself, which saves electricity bills. The third is selling electricity for profit, with an average electricity price of about 0.56 yuan per kilowatt-hour.

Regarding the specific investment return of household solar photovoltaic generators, the editor from Guangxi Dingbo Generator Set Manufacturing Co.,Ltd., a generator manufacturer, will calculate it for you. Taking Shandong's Class III region as an example, installing a 5KW household power station costs about 40,000 yuan according to the market price. It can generate an average of 20 kWh per day and 7,300 kWh per year. Calculated based on 30% self-use and 70% sold to the national grid:

Subsidy income: 7,300 * 0.42 = 3,066 yuan (excluding provincial and prefectural subsidies)

Electricity bill saving income: 7,300 * 30% * 0.52 (electricity price) = 1,138.8 yuan

Electricity selling income: 7,200 * 70% * 0.35 = 1,764 yuan

In total, the annual income is: 3,066 + 1,138.8 + 1,764 = 5,968.8 yuan

It takes about 6 years to recover the cost, and the average operation time of a photovoltaic power station is 25 years, which means the subsequent 19 years are pure profits.

Calculated according to the full grid-connected mode: 7,300 * 0.98 (the benchmark grid-connected electricity price for Shandong's Class III region) = 7,154 yuan, and the principal can be recovered in less than six years.

Guangxi Dingbo Generator Set Manufacturing Co.,Ltd., a generator manufacturer, warmly reminds that the following points should be noted when installing household solar photovoltaic power generation: Do not step on the surface of the installed solar photovoltaic modules at will to avoid glass damage. The inverter should be installed in a well-ventilated and cool place to avoid damage from exposure to the sun. Solar power generation equipment should not be close to flammable liquids, gases and explosive items to prevent explosion and damage to the modules.

Guangxi Dingbo Generator Set Manufacturing Co.,Ltd. was founded in 1974 and is one of the earliest manufacturers of generators and diesel generator sets in China. If you want get more information, please feel free to send email to [email protected] we will pay highly attention on your question.