"Solar lighting" can refer to several different things. It could be artificial lighting that is powered by electricity produced from solar PV cells and stored in batteries. In this way some outdoor accent lighting is considered "solar lighting."

"Solar lighting" could also be another name for "natural lighting." The primary means used to take advantage of this type of lighting are windows and skylights.

"Solar lighting" could also be a way to guide natural lighting into remote areas. This typically involves light tubes, light tunnels, heliostats, stationary mirrors, or light pipes.

Definitely.

natural light

Yes, it exists.

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