HVDC Transfer

What Restricts HVDC Transfer

At times the transfer across the HVDC can be restricted to less than its technical maximum capability due to physical or market conditions.

We are now reporting on what causes restrictions on HVDC transfer. The documents below provides background information on HVDC transfer restrictions and the graphs further show the reporting that we will have available on a (weekly/monthly) basis.

If you have any comments or questions regarding this reporting please contact the Market Insights Group ((04)590 7470 or market.operations@transpower.co.nz)

HVDC Capacity [ pdf 1.12 MB ]

Latest Data

Following two graphs show HVDC transfer data, "Today's HVDC Transfer" shows the 5 minute snapshot taken from our SCADA information.  The "HVDC weekly summary" is updated daily between 11:00am and noon daily and shows 1/2 hourly transfer snapshots for the last 8 days.

Availability and use of data

Transpower as System Operator publishes this and other live data on the website on a best endeavours basis. If the live data is not updating we will resolve the issue during the hours 0800-1700 on business days. This is indicative information based on the status of the New Zealand power system. Transpower takes no responsibility for the actions taken by any party based on this information.