Which is cheaper, wind power or photovoltaics?

Introduction Which is cheaper, wind or photovoltaic energy? Wind power is low, wind power costs about 4-5 yuan per watt, photovoltaic power costs about 7-8 yuan per watt. Low-light photovoltaic panels are cheaper. With the development of photovoltaic power generation

Which is cheaper, wind power or photovoltaics?

Wind energy is weak. Wind power costs about 4-5 yuan per watt, and photovoltaic power costs about 7-8 yuan per watt. Low-light photovoltaic panels are cheaper. As photovoltaic power generation technology, especially photovoltaic panels, continues to mature, the application of photovoltaic power generation continues to expand. Photovoltaic power generation is also an emerging industry with good prospects.

Photovoltaic energy production equipment takes up less space and is also suitable for use in cities. “Wind power generation equipment should be used in places with stronger winds, and these places should be away from large cities.

Detailed information:

< p>Advantages and disadvantages ofphotovoltaic energy production:

1. Advantages of photovoltaic power generation

Compared with commonly used thermal power generation systems, the advantages of photovoltaic power generation are mainly reflected in:

< p>①None risk of exhaustion;

②Safe and reliable, no noise, no polluting emissions, absolutely clean (no pollution);

③Not limited by the distribution of resources area, can use the advantages of building roofs; for example, areas without electricity and areas with complex terrain;

④Can generate electricity on site without consuming fuel or erecting transmission lines;

⑤High power quality;

⑥It is easy for users to accept it emotionally;

⑦The construction period is short, and the time required to obtain energy is short.

2. Disadvantages of photovol power generationtaic

① The energy distribution density of irradiation is small, that is, it occupies a huge area

② The energy obtained is the same as that of the four seasons, day and night, and it is related to weather conditions such as cloudy and sunny weather.

③ At present, compared with thermal power generation, the cost of electricity generation is high.

④The manufacturing process of photovoltaic panels is not environmentally friendly.

Baidu Encyclopedia - Photovoltaic Energy Production

Baidu Encyclopedia - Wind Energy Production

Wind power generates 2 kilowatt hours of electricity per revolution.

The power of wind turbines commonly used in China is around 2,000 kW. When the wind is good, each device can generate about 2 kWh of electricity when it spins once.Although wind power generation relies on wind power, it is unstable as long as the wind speed can reach 3 meters per second, it can produce electricity. And in terms of consumables, we can say that it is “zero cost”.

Compared to thermal energy production, wind energy production can be considered inexpensive and very profitable. Depending on the power of the wind turbine, there are some differences in the amount of electricity that can be generated. The amount of energy generated by a rotation is also fundamentally related to power. Typically, a generator with a power of 1,500 kW can produce 1,500 kWh of electricity in one hour.

Prospects of wind power

The development prospects of wind power and other new energy generation industries in China are very wide. They are expected to maintain growtht fast for a long time. At the same time, profitability will also increase steadily as the technology matures. After 2009, the total profits of this industry will maintain rapid growth, and the growth rate will also reach more than 60%.

With the development of wind power, its cost-effectiveness provides a competitive advantage over coal power and hydropower. The advantage of wind power is that every time the capacity is doubled, the cost drops by 15%. In recent years, growth in global wind power has remained above 30%. With the localization of installed wind power capacity in China and the increase in electricity generation, the cost of wind power is expected to further decline. Therefore, wind energy has become a place for more and more investors to search for gold.

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