Sunflower HCPV System
The revolutionary Sunflower™ highly concentrated photovoltaic (HCPV) system is the world’s only CPV
solution that can be installed on the field, on any rooftop or on a carport. Sunflower integrates ultra high
efficiency modules, advanced tracking, micro-converter technology, wireless communication and built-in
performance monitoring into one elegant turnkey solution. Sunflower produces cost-competitive solar
power with the lowest installation and maintenance costs in the industry.
Why Concentrated PV?
In bright sunny locations, CPV systems use less land and have a lower cost of energy than comparable PV or Thin Film installations. These important CPV advantages enable better land use, higher energy production, and ultimately greater return on your solar investment.
Measuring less than seven feet in overall height, Sunflower’s single module tracker creates a low profile design that is aesthetically appealing. Through the combination of Sunflower’s 30% efficiency, 2-axis tracking and superior temperature performance, a 30% increase in annual electricity production can be expected over traditional 33º tilt PV systems (installed Watts). For carports and rooftops, where PV tilt is only 5º, Sunflower’s annual kWh production ratio can be as much as 40% higher than traditional silicon PV.
High Concentration & Industry-Leading Efficiency 30%
While most CPV systems concentrate the sun only 500:1, Sunflower advanced HCPV modules concentrate the sun 1,200:1. 500 sun CPV systems require 2.4 times the amount of expensive multi-junction cell material giving Sunflower a substantial cost advantage. In addition, Sunflower high concentration modules achieve a world-leading 30% aperture efficiency, nearly double that of the typical PV panel.
Superior High Temperature Performance
Sunflower’s CPV technology is better suited than silicon PV in sunny, high ambient temperature locations. This is because Sunflower uses heat resistant Gallium Arsenide based multijunction cells and not silicon PV. Silicon based PV panels lose 0.5% of their rated power for every degree Celsius they increase over their 25ºC rating temperature. Once on sun, operating temperatures can reach up to 75ºC causing traditional PV panels to lose 20 to 25% of their rated power. Sunflower’s heat tolerant multijunction Gallium Arsenide cells lose only 5% of their rated power under these same conditions. This important difference gives Sunflower a significant energy harvest advantage in these hot sunny locations.
Sunflower provides superior performance in high ambient temperature environments
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