Passive systems: Architectural designs that utilize sunlight for natural heating and cooling.
Advantages: Renewable, clean, and flexible energy source that helps reduce reliance on fossil fuels.
Uses: Providing homes with electricity and hot water, powering factories, and supplying public utilities such as street lighting.
Types of Solar Panels:
Monocrystalline: High efficiency and a uniform appearance.
Polycrystalline: Lower cost and moderate efficiency.
Thin-Film: Flexible and lightweight.