Scenarios
- Consultation on EDGS 2019 Variations – consultation information, videos of development panel meetings, notes, and submissions received
- Consultation to prioritise generation scenarios - consultation information and submissions received
- NZGP1 Scenarios Update Dec 2021
General updates to industry
Key document links
NZGP Phase One Consultations
- Longlist consultation information
- Shortlist consultation information, including indicative pricing
- RFI for Non-transmission voltage support solutions
- Proposed starting benefit-based investment customer allocations
- NZGP1 Updated Preferred Option Consultation August 2023
Projects and investigations
- Atiamuri Series Reactor
- Tokaanu to Whakamaru tactical thermal upgrade preparations
- Wairakei Ring 220 kV capacity investigation
- Central North Island 220 kV capacity investigation
- HVDC Submarine Cable replacement and enhancement investigation
Submission process documents
- Transpower’s intention to plan a MCP (staged) (23 July 2021) (letter)
- NZGP1 – Matters to agree in relation to a MCP (staged) (29 July 2021) (letter)
- Commerce Commission's response to Transpower on preliminary matters and timeframes (13 August 2021) (letter)
- Letter of response to Commerce Commission on NZGP preliminary matters and timeframes (24 August 2021) (letter)
- NZGP1 Major capex proposal
- NZGP1 Major capex proposal addendum - amending our proposal
- NZGP1 Attachment A – Compliance Requirements
- NZGP1 Attachment B – Power System Planning & HDVC Assets Condition Report
- NZGP1 Attachment C – Options Report
- NZGP1 Attachment D – Scenario & Modelling Report
- NZGP1 Attachment E – Costing Report
- NZGP1 Attachment F – Indicative Covered Costs and starting BBI customer allocations
- NZGP1 Attachment G – Indicative Charges
- NZGP1 Attachment H – Stakeholder Consultation Summary
- NZGP1 Attachment I – CEO Certification