Publications and resources
Resources search
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Domestic bond prospectus 2012
The Simplified Disclosure Prospectus relates to Transpower's 20 August 2012 offer of up to $200 million of unsecured, unsubordinated Bonds.
- 24 August 2012
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Simplified disclosure prospectus 2012 [ pdf 2.26 MB ]
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Transmission Pole Replacement
Over time, transmission poles may require replacement due to normal age-related wear and tear or to ensure safe ground clearances are maintained.
- 15 August 2012
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Transmission Pole Replacement [ pdf 232.28 KB ]
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Transmission Line Helicopter Operations
Helicopters are a vital part of inspecting and maintaining our 11,800 km of transmission lines throughout the country.
- 15 August 2012
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Transmission Line Helicopter Operations [ pdf 517.04 KB ]
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Transmission Line Condition Assessments and Patrols
We routinely check and assess the condition of that equipment to ensure the National Grid continues to provide a safe and secure power supply for the country.
- 15 August 2012
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Transmission Line Condition Assessments and Patrols Work Overview [ pdf 311.68 KB ]
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Tower Painting
Tower painting is part of our routine maintenance activities to ensure they continue to provide a reliable service over their expected lifetimes.
- 15 August 2012
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Tower Painting Work Overview [ pdf 646.28 KB ]
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Tower Foundation Refurbishment
Tower foundation refurbishment involves reinforcing transmission tower foundations, to ensure they continue to accommodate the existing and future loadings expected in their lifetimes.
- 15 August 2012
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Tower Foundation Refurbishment [ pdf 556.61 KB ]
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Routine Transmission Line Hardware Maintenance
Transmission line hardware is a general term describing the fittings on a structure (tower or pole) including those items attached to the conductor (wire). ...
- 15 August 2012
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Routine Transmission Line Hardware Maintenance [ pdf 499.91 KB ]
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Insulator and Hardware Maintenance
Insulators insulate the line so that the electricity being transported stays on the line and does not become earthed through the supporting structure.
- 15 August 2012
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Insulator and Hardware Maintenance Work Overview [ pdf 248.17 KB ]
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Injurious Affect
Injurious affect occurs when an upgrade to the transmission line results in a permanent and non-negligible loss of value to your land.
- 15 August 2012
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Injurious Affect [ pdf 318.55 KB ]
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Access Track Maintenance
Access tracks are our means to access many of our towers and poles located on private land. They might also include bridges or culverts built to enable our access.
- 15 August 2012
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Access Track Maintenance Work Overview [ pdf 360.67 KB ]
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