• July

    29

    2018
  • 2994
  • 0

The solar power plants you offer are expensive, why are you not using cheap Chinese panels and inverters?

The main advantage of solar photovoltaic systems (solar power stations) compared to other power sources is high reliability and long life cycle – 30 years and more (it is expected to work for at least 50 years).

Cheap Chinese solar panels and inverters are manufactured by unknown companies that have no image or authority in the international market. There is no real quality guarantee on their products, even though they are visually identical to quality analogues. At the initial stage of commissioning, it is difficult to actually check the electrical parameters in the house, the defect is revealed during the process of operation.

The price of the solar photoelectric station is determined by:

1. The origin and the quality of the components (solar modules, inverter, electrical/ technical equipment, materials adn frame construction);
2. Qualified installation according to international standards;
3. Warranty.

The cost of 1 watt of solar power station installed with European components, according to international standards, by the company “Sun House varies from 1 to 1.5 euros (the price mainly depends on the power of the station).

To estimate whether our prices are expensive, here is a diagram published by the European Commission’s science and knowledge service in year 2019:

Diag. 1. Price dynamics of solar photovoltaic systems per watt by countries (in Euro)

Of course, the question may arise: if current prices are so high (according to the diagram), then how has this industry developed and spread in the world?

Answer: In every country (85 in the world), solar photovoltaics has evolved as a result of protectionist policies by the state, such as subsidies, long-term, low-interest government loans, state electricity tariff policies, and more.

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