The Solar Rating and Certification Corporation™ (SRCC) Announces Energy Star® Accreditation

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The Solar Rating & Certification Corporation™ (SRCC) announces that it has earned the U.S. Environmental Protection Agency’s recognition.

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The SRCC, as an ANSI accredited third-party certification body, is now EPA listed to certify solar water heaters in compliance with the new Energy Star® requirements.

Energy Star is an international standard that originated in the United States for energy efficient consumer products. It was created in 1992 by the Environmental Protection Agency (EPA) and the Department of Energy. Since that time, Australia, Canada, Japan, New Zealand, Taiwan and the European Union have also adopted their own Energy Star programs.

The EPA Energy Star program, which imposes stringent conditions and criteria on certification bodies, requires that solar water heaters have SRCC OG-300® certification before Energy Star can be awarded. Solar water heaters carrying the Energy Star label are required to provide 50% of the water heating from solar energy as rated by the SRCC. SRCC OG-300 certification means that the design of a solar water heating system meets the requirements of the SRCC Standard 300, and has been thoroughly reviewed against numerous minimum requirements addressing design, durability, reliability, safety and more.

The SRCC Standard 300 was originally developed in 1989. This consensus-based industry standard for domestic and commercial solar water heating systems has been maintained by the SRCC for nearly 25 years. The SRCC depends on the participation of subject-matter experts as volunteers to work through a consensus process, based on integrity and balance for all interested stakeholders. The SRCC is the “go to” agency for OG-300 certification, and now Energy Star certification as well.


The SRCC was incorporated in 1980 as a non-profit, independent, third-party certification entity. The SRCC provides authoritative performance ratings, certifications and standards for solar thermal products, offers expert recommendations and advice to governments and other entities, as well as guidance and protection for consumers and stakeholders. They help promote the development of reliable solar thermal technologies and accountable performance claims.


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