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Hello, if you want to improve the income of photovoltaic power generation, you need to pay attention to the following points::
1. Pay attention to the operation status of the photovoltaic power station, ensure timely maintenance in case of failure, and ensure the normal power generation.
2. Pay attention to the cleaning and maintenance of photovoltaic panels in the power station, clean the photovoltaic panels in time, the power generation efficiency of the photovoltaic panels blocked by dust will decrease, so in bad air or haze weather, dust should be removed in time.
3. In winter rainy and snowy weather, the snow on the photovoltaic panels should be removed in time. Avoid icing on the surface of the module and affect the power generation efficiency of the power station
Only when the photovoltaic power station runs normally every day, and the modules are not covered and dusted, can the normal operation of the photovoltaic power station be ensured to the greatest extent, and the power generation will be high, and the income will be more.
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1. Equipment cost. At present, the reasonable construction cost of photovoltaic systems is generally about 8-10 yuan per watt. Photovoltaic modules.
It accounts for about 49% of the total investment, and the anti-bright backup transformer.
and other electrical equipment account for about 10%, and cables and brackets each account for about 10%, and these sub-items account for a higher proportion.
2. Installed capacity.
There are two main points: monthly electricity consumption and installable area. According to the current actual electricity consumption, determine how many kilowatts of photovoltaic power plants need to be installed.
It's more economical that way.
It is also possible to build a slightly higher power power station, so that the inexhaustible electricity can be sold to the state in a hidden sock network. Calculation method: per kilowatt photovoltaic power generation system.
It can generate about four kilowatt-hours of electricity per day, requiring an installation area of 10 square meters. As long as the power generation of the photovoltaic power station is greater than the electricity consumption at home, then all the electrical appliances in the home can be driven. For example, the home needs to use 360 kilowatt-hours of electricity every month, and the roof can be installed with an area of 50 square meters.
According to the calculation method, a 3kw photovoltaic power generation system can be installed at home to meet all the electricity consumption per month, with an installation area of 30 square meters. If you want to make full use of the roof of your home, you can install up to 5kw photovoltaic power generation system, which can not only meet the electricity consumption of your home, but also upload the excess electricity to the national grid.
Sell electricity to make money. 3. Revenue from solar power stations. The benefits of a home solar PV plant include three parts:
1. Subsidies to make money: national subsidies + provincial subsidies + city and county subsidies (slightly different from place to place), whether you use it or sell it, as long as the electricity is subsidized. 2. Save electricity bills
Generate electricity for your own use, and you don't have to pay electricity bills, which is equivalent to making money. 3. Sell electricity to make money: The electricity that cannot be used up is sold to the state, and the electricity sold is implemented according to the benchmark electricity price of the local coal-fired desulfurization unit, and the electricity price is slightly different in different places.
There are two modes for household photovoltaic power stations to be connected to the grid: 1) self-consumption, surplus electricity to the grid (priority is given to their own use, and the surplus is sold to the country) 2) full grid access (all the power generated is sold to the state) Now most families will choose the mode of full grid access, because with the current subsidy standard, the income from the sale of electricity in full grid is higher than that of the self-consumption surplus electricity grid. However, with the continuous reduction of subsidies and electricity price standards, the mode of self-generation and self-consumption of surplus electricity will be more cost-effective in the future.
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As a new form of power generation, Guangshen power generation has been used in China for decades, but due to the best reasons, most of the photovoltaic power generation projects are demonstrative and strategic investment, and they cannot bring tangible benefits in the early economic benefits.
With the iteration of photovoltaic power generation technology, industrial upgrading, and the large-scale operation of the old photovoltaic power generation, the main equipment of photovoltaic power generation - solar panels, has been greatly reduced, until 2020, the cost of photovoltaic electricity in some areas began to equalize the cost of coal power. As a result, photovoltaic power generation has entered an era where capital profits can be created without subsidies.
So far in 2022, there are roughly three ways to invest in photovoltaic power generation, the first is self-investment in the project, the second is third-party investment, and the third is investment by Chenghe Chanli Project Company according to the proportion of capital contribution. I won't go into detail about the specifics of the three ways here. More people are actually concerned about how to participate in the investment of photovoltaic projects.
As for how to invest in photovoltaic power generation projects, there are the following situations.
First, as an investor who wants to participate in the investment of photovoltaic projects, he owns a legal building with clear property rights, which can be a factory building, a residential house, etc., if you want to invest and do not know much about photovoltaic power generation, you only need to find a photovoltaic company, tell them about your building, and you will get a relatively professional plan. Photovoltaic companies will generally provide a variety of solutions for your reference.
Second, if you already know a lot about photovoltaics, then you can skip the steps of the above consultation, directly determine the installation method of the project, project material selection, etc. to enter the bidding process, and invite the company to specify a preliminary implementation plan for you.
Third, if the project is already a sure thing, the project owner directly bids for the design, or designates a design company to issue a plan, and the plan is used for conspicuous procurement.
Of course, as an investment project, the things that need to be considered are not as simple as mentioned above, and the investment income, construction feasibility, cooperation mode, capital cost, etc. involved in the project investment need to be measured separately and judged in combination with various conditions.
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It is expected that the return on investment of photovoltaic power plants will continue to remain stable in 2022 and is expected to rise slightly. In 2021, due to the impact of the epidemic and domestic policy adjustments, the demand for PV market in China will fluctuate to a certain extent, but with the gradual recovery of the economy and the continuous advancement of new energy policies, the market demand and investment enthusiasm are expected to gradually recover and expand.
For ordinary PV power plants, the current expected return on investment is between 6% and 8%. Of course, the specific investment rate of return will also be affected by a variety of factors, such as the scale of the photovoltaic power station, site selection, construction period, policy environment, power purchase and sales contract**, etc. At the same time, it should be noted that after the completion and operation of the photovoltaic power station, it also needs to invest a certain amount of maintenance and management costs, which will also have a certain impact on the final investment rate of return.
Therefore, before investing in photovoltaic power plants, it is necessary to do a comprehensive and detailed market research and risk assessment to ensure their own strength and investment budget, and strictly control investment costs and risks.
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1 The return on investment of photovoltaic power plants is expected to be higher in 2022.
2 Because with the increasing global demand for clean energy, the construction of photovoltaic power stations will receive greater policy and market support, and at the same time, the technology and materials of photovoltaic cells are also constantly improving, which can improve the conversion efficiency and durability of photovoltaic power stations and reduce the cost of photovoltaic power generation.
3 In addition, in 2019, the National Energy Administration of China issued the "Implementation Opinions on the Construction of Photovoltaic Poverty Alleviation Power Stations", which gave financial and policy support to the construction of photovoltaic poverty alleviation power stations, which will further promote the construction of photovoltaic power stations and the improvement of investment returns.
However, the specific investment rate of return still depends on the specific project, and a detailed evaluation of the investment rate of return is required.
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