Recently, Ministry of Science & Technology has decided to promote a unique, possibly India’s first, Start-up in latest Daylight Harvesting Technology.
About Daylight Harvesting Technology
- Daylight Harvesting Technology aims to reduce carbon footprint and improve the building energy efficiency.
- Technology Development Board, a statutory body of Department of Science & Technology will promote the Start-up in Daylight Harvesting Technology.
- The company aims to create Green & Net zero buildings and to participate and contribute in national missions under the National Action Plan on Climate Change (NAPCC).
- Daylight Harvesting is a method of saving the energy costs associated with lighting. It makes use of the available sunlight.
- The solar energy spectrum has 45% energy as visible light and this can be used to harvest building illumination for about 9-11 hours a day.
- It is one of the most advanced techniques used in sustainable lighting designs for contemporary buildings.
- It automatically dims or adjusts the brightness of light in response to the amount of natural light available in a space.
- Utilising natural daylight coming through the windows or skylights minimises the amount of energy used in artificial lighting.
- The daylight harvesting system employs light sensors, also known as photocell sensors, to detect the prevailing light level in the environment.
- It then sends the intensity of light received to a controller, which is connected to the lighting control system. The control system in turn adjusts the electric lights automatically according to the measured light level.
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