Key dates

Key dates for the Energy Savings Scheme (ESS) and Peak Demand Reduction Scheme (PDRS) compliance periods are published on our Scheme participant compliance timeline page.

Key links

Compliance Guide - Scheme Participants

Declaration of Liable Acquisitions

Audit Guide - Scheme Participants

DSW Submission form - Declaration of Liable Acquisitions

Login to the TESSA Portal.

Key instructional videos

Lodging an ESS Annual Statement case in TESSA 

Lodging an Individual Liable Demand case in TESSA 

Lodging a PDRS Annual Statement case in TESSA 

Responding to a request for information (RFI) in TESSA 

Transferring certificates

Key contacts

If you have a query regarding scheme participant compliance, email the scheme participant compliance team at essregulator@ipart.nsw.gov.au and one of the team will respond.

Relevant information for scheme participants

Our Relevant information for scheme participants - 10 April 2025 spreadsheet contains relevant information including:

  • for the ESS, information relating to the energy savings scheme target, energy conversion factor, base penalty rate and scheme penalty rate for each compliance period.
  • for the PDRS, information relating to the four peak days, peak demand reduction target, forecast peak demand, scheme certificate target, scheme liable demand, and scheme penalty rate for each compliance period.