So whether to install solar power or not, especially in Vietnam, is the question of most concern.
Due to the geographical location and climate, the radiation value of Vietnam in the horizontal direction ranges from 897 kWh/m2/year to 2108kWh/m2/year. The high radiation value is among the highest in the world, so the electricity generated from solar cells will be more, equivalent to a value of 2.46 kWh/m2/day to 5.77 kWh/m2/day
Currently, the government has been having many active policies to encourage people to install, use and develop rooftop solar power projects. In 2020, people using the solar power system will be able to sell electricity directly to EVN at the price of 1,934 VND/kwh for the roof-mounted form, so the installation of solar power will bring about the greatest economic benefit.
Another reason that greatly affects the decision to install rooftop solar power system of households is that the investment cost has now decreased significantly, a reduction of 30%-50%. Previously, investing 3 KWp of rooftop solar power cost from 90-100 million VND, now it is only about 40-50 million VND.
So with benefits such as monthly electricity savings of 30%-50%, 4-5 year payback and usage time, solar battery warranty up to 20 years, households and businesses Commercial businesses and production facilities should invest in installing solar power.
source https://blognewszin.blogspot.com/2021/11/should-i-install-solar-power.html
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