SunSpec Modbus is an open standard, referenced in IEEE 154702018, that enables interoperability amongst DER system components. The SunSpec Alliance currently manages SunSpec Modbus testing directly and is in the process of transferring testing responsibilities to SunSpec Authorized Test Laboratories.
Test Specification
SunSpec Modbus Test Scripts
Applicable Components
Inverters, batteries, meters, string combiners, trackers, metrology stations, and charge controllers.
SunSpec Modbus Certified Products
Apply for Product Certification
New Resources and Specifications
- SunSpec Modbus Fact Sheet (PDF)
- Technology Overview
- Information Model Specification
- Information Model Reference
- Report from IREC, “Making the Grid Smarter: State Primer on Adopting the New IEEE Standard 1547™-2018 for Distributed Energy Resources”
- SunSpec Modbus Certification Mark Use Guidelines
