What Does SRCC OG-100 & OG-300 refer to?

What Does SRCC OG-100 & OG-300 refer to?

OG-100 is the SRCC certification for solar thermal collectors. OG-300 is the SRCC certification for solar thermal systems.  The federal tax credit and some state incentives require only OG-100 certification. Other states and organizations require OG-300 system certification to collect incentives. All of our flat plate and evacuated tube collectors are OG-100 certified. We also have an excellent line of OG-300 certified kits. When you chose a system from us, select a kit that will qualify for all available incentives in your area.