SunSpec Specifications and Information models

SunSpec publishes free, open interoperability specifications and information models that software developers, hardware manufacturers, and integrators use to achieve plug-and-play interoperability between Distributed Energy Resource (DER) components and smart grid applications. All SunSpec specifications are free to download and use. SunSpec also supports international standard communication protocols that adhere to open principles.

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Available Specifications

Specification packets are listed by date, most recent first.

SunSpec DER Information Model Reference

Revision: NA Date: October 14, 2019 Detailed reference describing SunSpec Modbus data points and information models (in Microsoft Excel format):  700 series: DER Information Models

SunSpec Device Web Service API Specification

Revision: DRAFT 1.0 Date: August 1, 2019This specification presents a standardized way for SunSpec devices to communicate with remote data centers. The standard specifies Representational State Transfer (REST) interface semantics to read and write device data that...

SunSpec DER Information Model Specification

Revision: 1.0 Date: July 15, 2019This document describes the SunSpec Distributed Energy Resource (DER) information models that provide support for the Institute of Electrical and Electronics Engineers (IEEE) 1547-2018 functionality using SunSpec information...

Orange Button Taxonomy Guide

Revision: 1.0 Date: May 1, 2018The goal of the Orange Button Taxonomy Guide is to provide sufficient information for document and data preparers, intermediaries and data users to work with the Orange Button Taxonomy Download...

Common Smart Inverter Profile (CSIP)

Revision: 2.1 Date: March 16, 2018 Describes configuration requirements for an IEEE 2030.5 interface that meets CA Rule 21 Phase 2 requirements.

SunSpec Information Model Reference

Revision: NA Date: February 15, 2018 Detailed reference describing SunSpec Modbus data points and information models (in Microsoft Excel format): 1: Common Model, 2: Aggregator Model, 010 – 019: Network Configuration Models, 100 series: Inverter Models, 200 series:...

SunSpec Modbus Vendor Extensions

The SunSpec Modbus interface allows for vendor defined functionality. The following Model IDs have been reserved by the indicated manufacturer to be used for vendor extensions: Starting ID Ending ID Vendor Description 64001 64009 Veris 64001: Veris status and...