Integrated Transmission Plan (ITP)
The ITP is a suite of documents outlining our 10-year plans. It brings together our services, expenditure forecasts and asset management plans. See downloads below.
Annual disclosures
2023
| Title | Description |
|---|---|
| Service Measures Report 2023 | Defines our service offering and performance targets, and explains how we use these in our business |
| Asset Management Plan 2023 | Explains our asset management framework, our management of each asset class, and includes a summary of planned works |
| Transmission Planning Report 2023 | Identifies backbone grid and regional development plans |
| RT01 Expenditure forecasts | Sets out our forecast capital and operating expenditure to the end of RCP4 |
| ITP 2023 compliance report | Explains how the ITP meets our regulatory requirements |
2022
| Title | Description |
|---|---|
| RCP4 Consultation document | Concise, accessible overview of our plans - in 2022, our RCP4 consultation document meets the requirements of the ITP Narrative |
| Service Measures Report | Defines our service offering and performance targets, and explains how we use these in our business |
| Asset Management Plan | Explains our asset management framework, our management of each asset class, and includes a summary of planned works |
| Transmission Planning Report | Identifies backbone grid and regional development plans |
| ITP Schedules | Sets out our forecast capital and operating expenditure to the end of RCP4 |
| ITP Compliance Report | Explains how the ITP meets our regulatory requirements |
| ITP Glossary | Accompanies the reports contained within the ITP |
2021
| Title | Description |
|---|---|
| ITP Narrative | Concise, accessible overview of our plans |
| Grid Outputs Report | Defines our service offering and performance targets, and explains how we use these in our business |
| Asset Management Plan | Explains our asset management framework, our management of each asset class, and includes a summary of planned works |
| Transmission Planning Report | Identifies backbone grid and regional development plans |
| ITP Schedules | Sets out our forecast capital and operating expenditure to the end of RCP4 |
| ITP Compliance Report | Explains how the ITP meets our regulatory requirements |
| ITP Glossary | Accompanies the reports contained within the ITP |
2020
| Title | Description |
|---|---|
| ITP Narrative | Concise, accessible overview of our plans |
| Grid Outputs Report | Defines our service offering and performance targets, and explains how we use these in our business (formerly called the Services Report) |
| Asset Management Plan | Explains our asset management framework, our management of each asset class and includes a summary of planned works |
| Transmission Planning Report | Identifies backbone grid and regional development plans (formerly called the Annual Planning Report) |
| ITP Schedules | Sets out our forecast capital and operating expenditure to the end of RCP4 |
| ITP Compliance Report | Explains how the ITP meets our regulatory requirements |
| ITP Glossary | Accompanies the reports contained within the ITP |
Annual disclosures under Individual Price-Quality Path (IPP) and Information Disclosure (ID) regulation
Other documents
The Commerce Commission issued three information gathering notices under s53ZD of the Commerce Act 1986 along with its Individual Price-Quality Path (IPP) determination for RCP3. Documents provided to the Commission in response to these notices will be posted in this section, along with event reports for material unplanned interruptions (under the IPP) during the regulatory period.
Cost estimation
- Cost Tracking Methodology (published 12 May 2020)
- Variance Report: Completed Capex Programme RCP2 (published 25 November 2020)
- Cost Estimation November 2022
- Cost Estimation November 2023
Customer Engagement
- High-Level Scope for a Customer Engagement Plan (published 12 May 2020)
- Customer Engagement Plan for RCP3 (published 25 November 2020)
- Customer Engagement Plan for RCP3 brochure (published 25 November 2020)
- Base Capex Consultation Report November 2022
- Post-Project Review Report November 2022
- Expert opinion on RCP4 customer engagement November 2022
- Base Capex Consultation Report November 2023
- Post-Project Review Report Bombay-Otahuhu November 2023
Asset Health and Network Risk
- Development Roadmap (published 25 November 2020)
- Progress Update November 2022
- Expert Opinion November 2022
Post per-event unplanned interruption report (IPP determination 2020 - 2025, clause 26)
- Rangipo grid injection interruption (published May 2022)
- Cyclone Gabrielle interruption (published April 2023)
- Manapouri interruption report (published June 2023)
- Maraeti interruption report (published December 2023)
- Northland Tower interruption report (published August 2024)
- Albury and Tekapo interruption report (published November 2024)