What are the primary varieties of solar energy?

The five pillars of solar energy technology that underpin our introduction to solar energy include: Photovoltaic (PV) Solar Energy, which directly converts sunlight into electricity; Solar Thermal Energy (STE), which captures the sun’s warmth; Concentrated Solar Power (CSP), utilizing mirrors or lenses to concentrate sunlight; Passive Solar Energy, an architectural strategy to harness solar energy without mechanical aids; and Building-integrated Photovoltaics (BIPV), which integrates PV modules into the building envelope. These pillars represent the diverse and innovative types of solar energy in use today.