Basically, daylighting is solar lighting through the windows and skylights. You bring in the sunlight through windows and skylights. It can save you significant amount of energy and cut on electricity bills. Unless you live in an area that receives little sunlight throughout the year, most houses and building can benefit from daylighting. The other good thing about daylighting is that natural light is better for your health. Humans, animals, and plants all need sunlight.
Artificial lighting can never replace natural light from the Sun. So if you’re thinking about buying or building a new home, consider the options of daylighting. Many schools are encouraged to have large windows to help improving students’ grades and health.
Source: EERE