Before you register certificates

You should only register certificates if you are satisfied that the certificates would be properly created and would comply with your conditions of accreditation. Before registering certificates you should ensure that:

  • The number of certificates that you intend to register is within the current cumulative certificate limit for your accreditation, or within your volumetric audit.

  • You have completed any audit required by your conditions of accreditation (for example if you are on a pre-registration audit regime).

  • You have the required records to support the creation of all the certificates you intend to register.

  • You have all the relevant approvals that you need for all implementations (such as acceptance of the product that has been installed – for example, water heater).

  • You have performed appropriate quality assurance and internal auditing on all of your data and records for all implementations.

Significant penalties may apply if you improperly create a certificate or contravene a condition of your accreditation.

Certificate registration fee

A fee applies to register certificates. The fee is adjusted for movement in the Consumer Price Index each year. See Costs of being an ACP for current application fees.

Registering certificates

There are three steps to registering certificates in TESSA:

Step 1. Prepare implementation data in csv file format

See the CSV Specification Guide, ESS Examples template and PDRS Examples template for information on the fields to be included in the upload.

Note: You need to use the new CSV file template that reflects the ESS Rule change to capture any implementation data you upload to TESSA from 14 April 2023. See the TESSA Latest Info page for more information. 

Note: The upload must only include implementations from one Accreditation (e.g. GHGR12345A) and cover one vintage (e.g. 2022). We recommend energy savings and peak demand reduction capacity are rounded to 2 decimal places in the csv file for consistency with TESSA.

Step 2. Upload the implementation data to TESSA (maximum of 3000 implementations per upload)

TESSA will validate the submitted data and generate a validation error list. You must address all major validation issues before you move to the next stage.

Once complete, an invoice will be generated for payment.

Step 3. Pay the certificate registration fee

Pay online (preferred option) using credit card, PayPal or PayID – you will be re-directed to the payment portal to pay through TESSA. Pay no fees for credit card or PayPal.  A small flat fee applies to PayID payments. Certificates are registered immediately.

Pay offline (available temporarily) – direct deposit. You may have to wait one to two business days for us to confirm payment before certificates are registered. Please make your payment to Bank account ‘IPART Operating’ BSB 032001 Account number 205717 and include the TESSA case number in the bank transfer payment description.

Once the certificates have been successfully registered, you can view them in your certificate holdings. The certificates will also appear in the publicly available Registry of Certificates on the TESSA homepage.  If you have any questions regarding this process, please contact us.

Allowable certificate registration

You are unable to apply to register certificates if the number you are applying to register exceeds the limit specified in your Accreditation Notice.  You can find out how many certificates you can register before you reach your limit on TESSA.

Log in to TESSA to find out how many certificates you can register before you reach your limit:

  • Select ‘My Accreditations’ on the TESSA homepage
  • Select ‘View all’ under the ‘My Volumetric Limits’ table.

This will display all your volumetric limits. You can view your volumetric limit and the total number of certificates you have already created for each accreditation.

Registration errors

Where certificates have been registered incorrectly, the registration fee must be paid and the certificates forfeited before the certificates can be re‐registered correctly.

If you have any questions, please contact us.