Data centres in New Zealand
Data centres run digital services. They store, process and distribute data for websites, cloud computing and other online applications.
New Zealand’s distance from major global hubs means local data centres play a key role in reducing latency, the time taken for data to travel to and from another location, and improving performance for users.
Connectivity is critical. Data centres rely on fast fibre networks and submarine cables to connect to users and to other data centres overseas. Much of New Zealand’s international network traffic either originates from, or is destined for, these facilities.
Locating data centres closer to users helps reduce delays for cloud services, streaming and other real-time applications.
Economic impact
Data centres underpin much of New Zealand’s digital economy. They support cloud services, media streaming, financial systems and a growing range of AI workloads.
New Zealand is increasingly seen as an attractive location for data centre investment, thanks to its renewable energy resources, available land and improving international connectivity.
Location and geography
Auckland is the largest population centre, making it attractive to data centre operators. It is also close to where most international submarine cables land, strengthening its position as the country’s main data centre hub.
Other factors also influence location. A planned data centre in Makarewa, Southland, would have access to abundant low-cost power and benefit from a cooler climate. The project includes plans for new international cable connections, linking the site more directly to global networks.
There are also secondary data centres in cities such as Wellington and Christchurch, providing regional capacity and resilience.
How data centres fit into the network
Data centres are a key part of the network, but not every interaction passes through one. Some traffic flows directly between users and services, while other traffic is stored, processed or cached in data centres before reaching end users.
This makes them a key part of the overall telecommunications system, even though they are not networks in their own right.
Future developments
Demand for data centre capacity continues to grow as cloud computing, streaming media and data-intensive applications become more common.
In New Zealand, this is likely to mean further investment in Auckland, along with more geographically distributed facilities. There is also increasing alignment between data centre development and submarine cable infrastructure.
Further reading: data centres
This page is part of a series of background briefings on New Zealand’s telecommunications industry: