Portfolio overview documents provide an overview of the forecasting approach, expenditure and supporting information for each expenditure portfolio.
Grid replacement and refurbishment
| Document number | Document name |
|---|---|
| PD01 |  TL Tower [ pdf 615.11 KB ] |
| PD02 | TL Pole [ pdf 499.9 KB ] |
| PD03 | TL Paint [ pdf 494.06 KB ] |
| PD04 | TL Foundation [ pdf 618.87 KB ] |
| PD05 | TL Grillage [ pdf 491.59 KB ] |
| PD06 | TL Conductor [ pdf 627.96 KB ] |
| PD07 | TL Insulators [ pdf 510.28 KB ] |
| PD08 | TL Access [ pdf 489.81 KB ] |
| PD09 | ACS Outdoor to Indoor Conversions [ pdf 498.79 KB ] |
| PD10 | ACS Outdoor Circuit Breakers [ pdf 512.03 KB ] |
| PD11 | ACS Indoor Switchgear [ pdf 464.92 KB ] |
| PD12 | ACS Power Transformers [ pdf 542.47 KB ] |
| PD13 | ACS Buildings and Grounds (includes Buildings and Seismic) [ pdf 657.49 KB ] |
| PD14 | ACS Dynamic Reactive Power [ pdf 654.46 KB ] |
| PD15 | ACS Capacitors and Reactors [ pdf 611.66 KB ] |
| PD16 | ACS Power Cables [ pdf 488.55 KB ] |
| PD17 | ACS Structures and Buswork [ pdf 485.8 KB ] |
| PD18 | ACS Instrument Transformers [ pdf 504.1 KB ] |
| PD19 | ACS Disconnectors and Earth Switches [ pdf 497.81 KB ] |
| PD20 | ACS Other Station Equipment [ pdf 495.64 KB ] |
| PD21 | ACS Other Power Cable Repairs [ pdf 495.16 KB ] |
| PD22 | SA Substation Management Systems [ pdf 500.55 KB ] |
| PD23 | SA Metering [ pdf 474.18 KB ] |
| PD24 | SA Buszone Protection [ pdf 603.33 KB ] |
| PD25 | SA Line Protection [ pdf 572.91 KB ] |
| PD26 | SA Transformer Protection [ pdf 483.94 KB ] |
| PD27 | SA Batteries and DC Systems [ pdf 479.36 KB ] |
| PD28 | SA Feeder Protection [ pdf 480.73 KB ] |
| PD29 | HVDC [ pdf 452.43 KB ] |
Grid enhancement and development
| Document number | Document name |
|---|---|
| PD30 | Otahuhu-Wiri Transmission Capacity [ pdf 645.22 KB ] |
| PD31 | Relieve Generation Constraints [ pdf 538.06 KB ] |
| PD32 | Upper North Island Reactive Support 2015-2020 [ pdf 621.57 KB ] |
| PD33 | Bus Section Fault Reliability [ pdf 494.75 KB ] |
| PD34 | Wellington Supply Security [ pdf 519.87 KB ] |
| PD35 | Otahuhu and Penrose Interconnection Capacity [ pdf 502.56 KB ] |
| PD36 | Bunnythorpe Interconnection Capacity [ pdf 547.25 KB ] |
| PD37 | North Taranaki Transmission Capacity [ pdf 580.69 KB ] |
| PD38 | Timaru Interconnecting Transformers Capacity [ pdf 657.61 KB ] |
| PD39 | Southland Reactive Power Support [ pdf 492.71 KB ] |
| PD40 | High Impact Low Probability Event Mitigation [ pdf 523.09 KB ] |
| PD41 | Hororata and Kimberley voltage quality [ pdf 500.94 KB ] |
| PD42 | Islington Spare Transformer Switchgear [ pdf 460.92 KB ] |
| PD43 | Haywards Local Service Third Incomer [ pdf 489.75 KB ] |
| PD44 | E and D Other [ pdf 474.04 KB ] |
Business support
| Document number | Document name |
|---|---|
| PD45 | BS Office and Facilities [ pdf 434.38 KB ] |
| PD46 | BS Office Equipment [ pdf 410.8 KB ] |
| PD47 | BS Strategic Properties [ pdf 346.32 KB ] |
| PD48 | BS Vehicles [ pdf 456.19 KB ] |
