Solar Lighting System
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Parans Solar Lighting goes beyond the idea of lighting efficiency and lets the sun in with a system of roof panels to absorb sunlight, and fiber optic cables to channel daylight into rooms and spaces to help illuminate them naturally.
Six squre meters of rooftop panels can transmit enough light via the cables to light up a 180 m2 room, with a light intensity of 300 Lux - the typical light intensity of larger work spaces. By leading natural daylight into the building, lighting will vary during the day with the weather: the amount, intensity, and color tone of the light are reflected inside the building, creating a dynamic interior environment.
Buildings can be retrofitted with Parans panels, or the panels can be installed during original construction. Natural light by Parans generates no waste heat and is healthier than artificial light; medical studies have shown that daylight governs how we feel and how healthy we are and also has a positive effect on our productivity, increasing it by up to 16%. Solar daylighting also reduced the need for space-hogging atriums and light shafts.
Demand for lighting is a large portion of global energy consumption. Around 17.5% of global power consumption goes toward lighting, which requires 2,200 TWh and corresponds to roughly 1.2 billion tons of carbon dioxide emissions each year. By comparison, lighting’s carbon footprint is equal to 21.4% of the emissions from the transportation sector. If new, smarter lighting technology does not replace the current system, lighting will require 4,250 TWh annually by 2030, emitting 3 billion tons of carbon dioxide. Smart lighting systems would not only reduce emissions but also save $2,600 billion in energy bills for end consumers across the world, by 2030.
Today, the average building satisfies 20-25% of lighting needs with natural light. Parans estimates that their technology can replace 50% of the lighting in 20% of buildings, worldwide. The projected reduction in carbon dioxide emissions would be 220 million tons per year. If we reach 20 % of this market, this would correspond to 44 million tons carbon dioxide annually.
A significant amount of energy is also used for cooling to compensate for the heat generated by lighting. Parans Solar reduces the need for artificial light and transmits daylight, which does not generate excess heat, resulting in large potential energy savings. The rule of thumb: cooling demand can be reduced by one watt for each three lighting watts saved. Parans Solar technology could reduce cooling demand by 14.7 TWh, resulting in an additional emissions savings of 14.6 million tons of carbon dioxide annually.
The total amount of emissions cut according to these estimates, including energy savings in both lighting and cooling, is 58.6 million tons of carbon dioxide per year. This is equal to the annual emissions in Hungary.
Parans uses a network of lighting distributors specializing in their respective markets, including representatives from the conventional lighting sector, as well as natural lighting engineering and consulting firms, and architects.
The company plans to expand its distribution network significantly in the next few years. Instead of targeting specific markets, thus far demand from various sectors has driven growth. Global expansion will continue via this organic method, which means meeting demand where it is the greatest.
Parans was founded in 2002 and the first version of Parans' patented technology was commercialized in 2004. It was developed through extensive R&D in collaboration with Chalmers Technical University in Goteborg, Sweden. The product was conceived from a desire to improve the possibility of bringing sunlight into classrooms and improve the indoor environment. The management team consists of CEO Nils Nilsson and Director of Sales Marc Bacher.
Parans Solar Lightning
Products that lead natural light into buildings, and therby reduce energy consumption for lightning and cooling
- 58 600 000 tons of CO2/yr
Nils Nilsson, CEO
Claes Rickeby, Managing Director