From the article:  “…LightManufacturing today announced its H1 heliostat, which delivers more than 2000 watts of heat and light energy to a target…” Read the article:  http://www.solarnovus.com/index.php?option=com_content&view=article&id=5539:lightmanufacturing-develops-industrial-heliostats&catid=54:new-products&Itemid=427