COMING SOON compliance intermediate 4 min read

Victoria Emergency Backstop — register a Deye system

Check inverter and logger firmware, then register the system for Victoria's Emergency Backstop remote-curtailment requirement via DeyeCloud's Utility Connection Registration.

Updated 29 June 2026

This guide is in production. In the meantime, our engineers can walk you through it directly — call 02 8529 6809.

Victoria’s Emergency Backstop mechanism requires new and upgraded solar/battery systems to be remotely controllable, so the network operator can curtail export in rare grid-emergency events. For Deye systems this is done by registering the inverter through DeyeCloud’s Utility Connection Registration.

Confirm before you rely on this. The firmware baselines and registration steps below come from Deye’s own Emergency Backstop instructions. Curtailment rules, eligibility dates and required firmware change over time — always check the current requirements with the customer’s DNSP and Solar Victoria before commissioning.

1. Check the firmware

The inverter and logger must meet the minimum firmware before they can register.

Inverter firmware:

System	Main	HMI
Single-phase low voltage	5388-1516 or higher	0000-C377 or higher
Three-phase low voltage	1171 or higher	C04F or higher
Three-phase high voltage	1093 or higher	C040 or higher

Logger firmware:

Deye logger — any version is compatible.
Yingzhen logger — LSW3_32_5406_SS_04_00.00.00.09 or higher.

If anything is below the baseline, update it first. Loggers can be updated over the air once online — see Connect a logger to Wi-Fi & DeyeCloud.

2. Create the plant and bind the logger

Create (or open) the customer’s plant in DeyeCloud and add the data logger by its SN, so the inverter is online under the plant. If it isn’t connecting yet, the logger setup guide covers the common causes.

3. Register for the backstop

Open the plant and tap Plant info.
Tap Edit information.
Tap Utility Connection Registration.
Select the utility Server, then enter the device SN and the NMI.
Generate the LFDI and Submit.

What these are:

NMI — the National Meter Identifier for the connection point, printed on the customer’s electricity bill.
LFDI — the device’s security identifier, generated during registration so the network can address the inverter.

Before you leave site

Confirm the registration shows as submitted / successful in DeyeCloud.
Have the NMI ready before you start — it’s the most common thing missing on site.
Keep a record of the submission with the job file.

Again — verify the current firmware and process against your DNSP and Solar Victoria guidance before treating a system as compliant.