We have published our technical approach to ensure we are open and transparent about how we will run the methodology to create the draft grid blueprint.
Below you will find the documents that make up our technical approach, as well as links to webinar recordings and topic-specific insights.
Executive summary
We recommend reading the executive summary first, as it will explain what is contained within the other documents linked below, and provide an overview of the approach.
Insights
We are publishing a series of insights, to give a more detailed view on how our scenarios are considering particular topics.
Demand forecasting documents
- Demand Modelling Methodology
- Industrial Electrification Survey Summary
- Future Grid Scenario Modelling: Visions of the New Zealand Economy to 2050
As well as the above documents, we also used stakeholder feedback from our Imagining Aotearoa in 2050, Potential Scenarios and Future Direction consultations, as well as feedback from ongoing engagement, as inputs to our demand forecasting.
- Imagining Aotearoa in 2050 consultation document
- Imagining Aotearoa in 2050 - Summary of survey responses
- Potential Scenarios consultation document
- Potential Scenarios summary of submissions
- Future Direction: Our Energy Scenarios consultation document
- Future Direction summary of submissions (coming in 2026)
Generation stack documents
Transmission options documents
- Mott MacDonald review of Te Kanapu Cost Estimation models
- Transmission Expansion and Upgrade Options
- Watch a 21-minute webinar on the cost estimation models
Methodology documents
- Future Grid Blueprint Methodology
- Quantifying the Competition Benefits of Transmission Investment. Methodology Report
- Quantifying competition benefits of transmission investment. Methodology selection
- Expert Advice on Cost Benefit Assessment (coming in 2026)
Background
We have also produced a list of acronyms used across the above documents, for clarity.