To ensure our electricity network can support the connection of your system, you need to apply for a new DG connection with us. As technical information is required, it’s a good idea to have your electrician or electrical consultant complete the application on your behalf.

Medium Distributed Generation will follow the Part 2 Application pathway. These pathways are prescribed by the Electricity Authority. Information on the pathway is detailed in section 2.3 of our DG Connection Policy.

For Inverter Generation 200kW or less you should apply online here: F36 - DG Connection Application Form

For Distributed Generation greater than 200kW and connected to MLL’s low voltage network you should apply using the initial application form here: F126 - LV DG Connection Initial Application Form (greater than 200kW)

Once we receive your complete application, we will raise an invoice for the appropriate amount and send it to the person nominated in the application. Our fees are outlined in section 3.1 of our DG Connection Policy.

After we have received payment, we’ll start reviewing your application.

MLL will review your application and provide information to the applicant about the connection. This information is prescribed in section 12, schedule 6.1, part 6 of the Code. We will list any technical studies that shall be completed by the applicant in our response.

MLL may decide that a Final Application is not required. In this case we will clearly outline this in our response to your Initial Application and list any requirements with our approval to connect. You may skip to step 6.

You must not connect your distributed generation to the MLL network without written approval.

Note: Even though someone may be acting on your behalf, the contract that is formed by proceeding with the connection is between the customer and MLL, and it is important you understand your connection contract.

Where appropriate, the applicant must complete a Final Application for the DG system.

The Final Application form captures the finalised design and control settings that will meet our standards. It will also include answers to any requirements we provided in our response to the Initial Application.

A Final Application can be made using the form: F127 - LV DG Connection Final Application Form

Once MLL is satisfied the system complies with our connection standards, we will issue notice of final approval. The default regulated terms found in Schedule 6.2 of the Code will apply unless a connection contract is negotiated.

You must not connect your distributed generation to the MLL network without written approval.

Note: Even though someone may be acting on your behalf, the contract that is formed by proceeding with the connection is between the customer and MLL, and it is important you understand your connection contract.

Following written notice of approval to connect, you may begin installation or alterations to your system.

Important: Your installer must leave your system switched off until the metering has been replaced or programmed to measure export and any required commissioning has been completed.

DG installations require an electrical inspection by a registered Electrical Inspector as it is defined as high risk prescribed electrical work in the Electricity (Safety) Regulations. Your installer should arrange this for you.

The DG system may also require testing and commissioning reports. The requirements vary depending on the DG system capacity. These are detailed in our Connection and Operation Standards.

We may visit your premises to inspect your system to confirm it matches your application and meets safety and electrical standards. We may inspect your system after installation, as part of an audit, or if there's potential for your system to have an impact on our network.

It's important that any system changes such as changing settings, swapping your inverter, or adding panels or batteries are approved by us before an installer makes the changes. You'll need to submit a new application for these changes.

MLL is responsible for ensuring that it has plans and records of DG installations to ensure the safe and reliable operation of our network. The testing and commissioning report and supporting documentation (detailed in our standards) must be returned to MLL within the required timeframe.

For inverter systems 200kW and less the installer shall follow MLL’s commissioning test form online: F37 - LV DG IES Commissioning Form (200kW and less). Or this can be completed offline via the PDF here.

For all other DG systems, the commissioning and documentation requirements are outlined in our Connection and Operation Standard (below).