SunSpec ModbusÂ
SunSpec Modbus communication interfaces–available for smart inverters, energy storage devices, meters, trackers, and other balance-of-system components–reduce integration costs and improve system reliability by providing a standard communication method for DER system components.Â
SunSpec Modbus is specified in the national grid codes of the U.S., Canada, Denmark, and Poland and it widely-adopted all over the world.

The SunSpec Modbus Specification Package includes the following items:
- SunSpec Modbus Fact Sheet
- SunSpec Technology Overview
- SunSpec Device Information Model Specification
- SunSpec DER Information Model Specification
- SunSpec Information Model Reference (includes APPROVED 700 Series DER Models)
- SunSpec Model Definition (Includes SMDX and JSON) (Download from Github)
- SunSpec Energy Storage Model Description
- SunSpec Modbus Vendor Extensions
- SunSpec Modbus IEEE 1547-2018 Specification, Profile and Implementation Guide
- SunSpec SVP Dashboard Download
- SunSpec SVP Dashboard License Request (Membership required)
COMPLETE FORM TO ACCESS SPECIFICATIONS
Applicable Components
Inverters, batteries, meters, string combiners, trackers, metrology stations, and charge controllers.
SunSpec Modbus Open Standard Interoperability
SunSpec Modbus News and Updates
SunSpec Modbus 700 Series DER Information Models are now APPROVED
Referenced in IEEE 1547-2018, the SunSpec Modbus 701-712 Series DER Information Models have officially been promoted from TEST status to APPROVED status, thus superseding the SunSpec Modbus 100...