SunSpec Alliance Announces Results of 2nd Annual Plug Fest Certification Event

Share Article

Nine Companies’ Products Tested and Certified, Guaranteeing Interoperability with Other SunSpec Certified Solar Components

“By standardizing the way that solar/PV products communicate with one another, we clear the path for greater innovation."

The SunSpec Alliance, an industry coalition formed to establish global interoperability among renewable energy system components and management systems, today announced the results of the second annual SunSpec Plug Fest interoperability testing event. The two-day event was hosted by TÜV Rheinland, and resulted in nine companies achieving SunSpec certification for their solar components and solutions.

For a full chart of SunSpec Certifications achieved, please see the attached PDF. Companies who achieved SunSpec Certifications for their products at this year's SunSpec Plug Fest include: Campbell Scientific, Digi International, Engenuity, John Blair, Moxa, Power-One, Solar Edge,Teal and Veris.                     

“One of the primary factors slowing the deployment of solar/PV systems today is the lack of interoperable, standards-based renewable energy products on the market,” said Tom Tansy, chairman of the SunSpec Alliance. “Every SunSpec Alliance member is committed to the development of standards to help advance the renewable energy industry by achieving standards and driving down the cost of implementation of these systems. This annual Plug Fest event gives members the ability to test their solutions for interoperability and ensure that their products are standards compliant.”

Similar to the interoperability exercises that enabled the Internet to become rapidly and widely usable, the principle objective of the SunSpec Plug Fest is to establish plug-and-play communications among renewable energy devices, thus driving down total industry integration costs and creating a vibrant market for compatible devices and services. Engineering practitioners benefit by establishing best practices and by helping to define standards that will shape the Smart Grid, and customers benefit by the reduced costs from the economies of scale achieved by manufacturers.

The SunSpec Plug Fest leverages the published SunSpec Specifications (“SunSpecs”) by enabling participating vendors to easily create compatible solutions that can plug into the information technology services comprising the Smart Grid. Current SunSpecs define data formats for solar inverters, meters, modules, string combiners, data acquisition systems, and environmental monitoring systems and are freely available for downloading at

The SunSpec Alliance has worked to develop its specifications by harmonizing with the National Institute for Standards and Technology (NIST), the IEEE, the International Electrotechnical Commission (IEC), the Electric Power Research Institute (EPRI) and the ZigBee Alliance.

“By standardizing the way that solar/PV products communicate with one another, we clear the path for greater innovation. Rather than worrying about whether or not products will work together, manufacturers can get back to focusing on advancing renewable energy technologies,” said John Nunneley, Executive Director of the SunSpec Alliance. “As a result, standards-compliant technology is enabling more accurate system sizing, greater uptime for plants, increased system predictability, and a better return on investment (ROI) for both suppliers and customers.”

Membership in the SunSpec Alliance is open to the full spectrum of industry stakeholders, including project developers, system integrators, PV equipment manufacturers, networking vendors, software companies, monitoring service providers, energy producers and consumers, utilities, other non-profit organizations, and individuals. The Alliance’s open collaboration and other operating principles have been modeled after successful consortium and standards-making bodies that enable cooperative efforts on an international scale. The SunSpec Alliance is seeking increased industry support to help define additional equipment standards, data reporting and application interfaces, and testing and certification programs.

To join the SunSpec Alliance, please visit

About SunSpec Alliance
The mission of the SunSpec Alliance is to accelerate the growth of the renewable energy industry by driving data and communications interoperability standards. The SunSpec Alliance achieves its mission by defining open interface standards for renewable energy system components, thus enabling renewable energy systems to interact with information technology systems in a predictable and reliable manner. Membership in the SunSpec Alliance is open to corporations, non-profits, and individuals. For more information on the SunSpec Alliance charter and membership, please go to:


Share article on social media or email:

View article via:

Pdf Print

Contact Author

Robb Henshaw

Email >
Visit website