YGE 20W Solar Panel

[Palongkilang]

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boss na a moy solar cells nga gagmay lang, 5W ra kinahanglanon para project sa akong bata sa school.

[imlegend]

This is my first time posting here and I wondered if I could ask for advice?
I have always wanted to get PV installed. I had a quote for a 2.5kwp system for our new house from a1solarstore website.
We are currently consuming maybe 2000 kWh in a year and the solar system is quoted for installation to provide 2,178 kWh at $10000.
Does anyone have any experience with solar panels or know any resources I should take a look at?
How do you folks think this proposition is good or not? Any advice is appreciated!