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ระบบ On Grid คือระบบ Solar Cell On grid System means your solar system is tied to your local utility’s GRID. This is what most residential homes will use because Solar Cell you are covered if your solar system Peak under or over-produces in regard to your varying energy needs.
ระบบ Off Grid System คือระบบ Solar Cell you are not connected in any way to your grid’s power system or utility company. Solar Cell This is appealing because you are 100% self-sustaining your energy use. On Grid However, there are disadvantages because off-grid systems On Grid เนื่องจาก back-up battery which can be expensive.