The mission of the Orange Button Workgroup is to ensure that the Orange Button taxonomy continues to address the most compelling use cases in the Distributed Energy (solar + storage) data exchange realm and that the Orange Button web service API continues to evolve to meet the needs of the software development community.

Group Leaders

Project Leader(s):

Jan Rippingale, Blu Banyan
Cliff Hansen, Sandia National Laboratories

SunSpec Moderator:

Sheldon Crow

Topics Covered

This work group focuses on the following topics:

  • Development and maintenance of the Orange Button taxonomy
  • Development of Orange Button OpenAPI modeling tools
  • Development of Orange Button open source software and reference implementations including the SunSpec Product Code registry
  • Supporting the Orange Button developer community


You must be a Contributing Member of the SunSpec Alliance to participate in this Work Group. Click here to see if your company is already a member or click here to join the Alliance. Contact to enroll today!

Meeting Scheduled

The Orange Button work group currently meets about once per week to advance programmer tool development and taxonomy maintenance. See the event calendar for the next meeting. Go to the member portal for meeting coordinates.


From 2016 to 2018, the U.S. Department of Energy funded a cooperative development agreement with SunSpec to define and develop the Orange Button data exchange standard for solar and storage industries. With funding of approximately $4 million from the DOE and another $4 million in industry contributions ($8M total), SunSpec engaged with 300+ industry stakeholders, developed a solar taxonomy, and delivered a set of application program interfaces that are now available via open source. In 2019, Sandia National Laboratories provided funding to develop taxonomy elements for additional use cases and enhance support for OpenAPI/JSON. In 2020, SunSpec took on the role as sole funding source for Orange Button and steward of the Orange Button developer community.


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