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Distributed Energy Resource Register

From 1 December 2019 TasNetworks will be required to provide information on every Distributed Energy Resource (DER) connected to our distribution network to the Australian Energy Market Operator (AEMO) to feed into their DER Register.

Frequently asked questions

  • What's a DER?

    DER stands for Distributed Energy Resource. Examples of DERs can include:

    • Rooftop solar units
    • Wind generating units
    • Battery storage
    • Solar farms
  • Why do we need a DER Register?

    The Register will give AEMO and TasNetworks better visibility of the collective generation capacity of DER's, which will enable them to run the electricity grid well for the benefit of all Australians. It will also enable us to:

    • Forecast, plan and operate the grid more efficiently, ensuring the system and market can deliver energy at an efficient price for all customers
    • Be more prepared for major disruptions to the system with a greater understanding of how DER assets will behave during these events
    • Prepare the grid for major innovations with DER such as virtual power plants, and enabling customers to consider and participate in new markets with their DER, and
    • Allow networks to make better informed decisions about network investment options in the future as demand changes and DER increases
  • How will this change affect me?

    To meet this new requirement, we’ll need to ask more technical questions about any solar (or other embedded generation) connection you apply for. This information will then be fed back to AEMO for their DER Register.

  • What technical information will I need to provide when connecting a DER?

    The application form will be structured to capture DER information at 3 levels:

    1. Installation (e.g. premise) level;
    2. AC Connection (inverter) level; and
    3. Device (generator) level

    1. The Installation level information will also request Central Protection and Control settings, where applicable. The defaults will be populated from the AS4777:2015 standard to aid the application process.

    At the AC Connection level the information required will include:

    • Manufacturer, series and model numbers;
    • Serial number of the inverters or AC equipment;
    • Options to specify the configuration of inverter response modes and configuration settings for the modes: e.g: Voltage response modes; Power response modes etc.
    • The defaults will be populated for the configurations of the chose mode from the AS4777 standard to aid the application process.
    2. At the AC Connection level the information required will include:
    • Manufacturer, series and model numbers;
    • Serial number of the inverters or AC equipment;
    • Options to specify the configuration of inverter response modes and configuration settings for the modes: e.g: Voltage response modes; Power response modes etc.
    • The defaults will be populated for the configurations of the chose mode from the AS4777 standard to aid the application process.

    3. At the Device level the information will involve details such as device type (solar, wind, hydro etc), number of modules (devices), manufacturer, model numbers, battery information and nominal capacity of the devices to be installed.

    The applications for solar, where there is an existing electricity supply will also ask for National Metering Identifier (NMI) number to be provided as mandatory information to allow us to provide you details of the existing installations. The Applicant can then either modify, add or decommission the components of the existing installation.

Find out more

Find out more

If you have questions about the DER, contact us.