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Integrating with SunSpec DER Models

(Volt/VAR, Volt/Watt, Frequency-Watt) Kora supports SunSpec-compliant DER behavior to meet modern grid interconnection requirements and utility rules.

Written by Paige Tranchina
Updated over 2 months ago

Supported Functions

Volt/VAR – Reactive power support based on voltage
Volt/Watt – Active power curtailment at high voltage
Frequency-Watt – Active power response to frequency deviations

These functions align with IEEE 1547 and Rule 21 requirements.


Configuration Principles

• Grid profiles are selected during commissioning
• Control curves are applied automatically based on region and utility
• Field modification of utility-mandated curves is restricted


Installer Responsibilities

• Verify correct utility and region selection
• Confirm active DER modes via commissioning tools
• Document applied profiles for AHJ and utility records

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