Access information

This page contains information to assist applicants seeking access to Horizon Power's covered network including instruments required to be published in accordance with the Pilbara Networks Access Code 2021 and the Pilbara Networks Rules 2021

Revised System Description

Horizon Power has completed the pubic consultation on the Revised System Description as set out in the Invitation to Submission. As there was no submission, Horizon Power has made no changes to the the below Revised System Description, which is now published as required under the Pilbara Networks Access Code 2021.

Updated Documents – Second Pricing Period

Horizon Power has updated the following documents incorporating changes set out in the Final Decision – Second Pricing Period.

March 2025: The Service and Pricing Policy has been updated with 'Price List 2025-26'.

Final Decision – Second Pricing Period Public Consultation

Horizon Power has completed the public consultation process for Second Pricing Period as required under the Pilbara Networks Access Code 2021. Please see below Final Decision.

For the Second Pricing Period Consultation, Horizon Power received a submission for the first tranche (see below) and a confidential submission for second tranche on the revised rate of return.

Public Consultation – Revised Rate of Return for Second Pricing Period

Horizon Power is undertaking consultation as set out in the Proposal and Invitation to Submission. The Final Decision will be published on 8 March 2024.

Public Consultation – Second Pricing Period

Horizon Power is undertaking consultation as set out in the Proposal and Invitation to Submission.

System Description and User Access Guide

The Pilbara Independent System Operator (ISO) is currently developing the ‘Access and Connection Procedure’ (Procedure) as set out under the Pilbara Networks Rules (PNR). The ISO has published the interim Procedure, which outlines ISO’s access and connection process as well as roles and responsibilities of those participating in that process (including information required to be sent to the ISO for assessment and approval). ISO will charge for the costs of performing access and connection related functions and the Applicant will be liable for such ISO costs.

When the final Procedure is finalised and published by ISO, Horizon Power will update the User Access Guide accordingly.

Services and Pricing Policy

For the Prudent Discount Policy, please note that the current list of locations in the covered Pilbara network where the installation of distributed generating works will enable new facilities investment to be deferred is nil.

April 2023: The Services and Pricing Policy has been updated with the 'Price List 2023-24'.

Network Development Policy

Please see below Horizon Power's ringfencing rules approved by the ERA.

Ringfencing Rules PDF - 918.65 KB

Visit the ERA's website for a copy of the ERA's determination on Horizon Power's ringfencing rules.

Please see below Horizon Power’s Loss Factors published pursuant to Rule 146 of the Pilbara Networks Rules.

Loss Factors 2023/2024 PDF - 936.12 KB

Metering Code and Customer Transfer Code

Visit here and click "Metering services" for information and documents relating to Metering Services (including a copy of Metering Service Level Agreement and the Communication Rules).