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Marlborough Power Outages

New Zealand has no open live feed, so the quickest way to check Marlborough is the official outage map from Marlborough Lines.

Marlborough Lines is the only lines company in the region. On 23 October 2025 a loss of the Blenheim grid exit point, caused by faults on the Transpower network between Islington and Kikiwa, interrupted about 26,400 connections for around seven hours, based on Commerce Commission interruption records. Adverse weather was the largest unplanned cause in the year to March 2026.

Population
50,800
Estimate, 2025
Lines company
Marlborough Lines
About 21,978 customers in this area
Weather warnings
0
MetService
Major past events
1
Southern and central windstorm

Who to contact in Marlborough

The lines company responsible for faults in Marlborough. Search your address on its official outage map.

New Zealand lines companies, outage map links and phone numbers
Lines companyOfficial outage mapReport by phone
Marlborough LinesOpen ↗03 577 7007

If you see a fallen power line, stay 10 metres away and call 111.

Marlborough on the New Zealand map

NorthlandAucklandWaikatoBay of PlentyGisborneHawke's BayTaranakiManawatū-WhanganuiWellingtonTasmanNelsonMarlboroughWest CoastCanterburyOtagoSouthlandNorthlandAucklandWaikatoBay of PlentyGisborneHawke's BayTaranakiWellingtonTasmanMarlboroughWest CoastCanterburyOtagoSouthland
New Zealand has 16 regions, shown over a 800 by 900 map.

Boundaries: Natural Earth (public domain).

Weather warnings

MetService (Meteorological Service of New Zealand) lists no active warnings for this area.

Source: MetService (Meteorological Service of New Zealand)

Largest places in Marlborough

  • Marlborough

Nearby regions

Reliability in Marlborough

Average minutes without power and interruptions per customer, as published by the regulator or operator

Lines companyTime without powerInterruptionsYear
Marlborough Lines4 hr 20 min2.152026

Definitions vary by source, for example in how major storms are treated, so these figures aren't a ranking. See each operator's page for the exact scope.

Major power outages affecting Marlborough

Totals may cover every area affected, not only this one. Full accounts are on the New Zealand page.

  1. Southern and central windstorm

    24 October 2025

    114,300 connections (derived) affected

    Source: Commerce Commission, EDB ID Interruptions dataset (Schedule 10a raw interruption records, CSV)

Marlborough power outage news

Marlborough power outage FAQ

Who do I contact about a power outage in Marlborough?

Marlborough Lines (03 577 7007) repairs the local network in Marlborough, which includes Marlborough.

What was the biggest power outage in Marlborough?

Southern and central windstorm (24 October 2025) affected about 114,300 connections (derived) across the affected areas.

How reliable is the power supply in Marlborough?

Marlborough Lines reported 4 hr 20 min of interruption per customer in 2026. Scope differs between sources, so treat these as a guide and not a ranking.

Cite this page

You may reuse our derived data under CC BY 4.0 with attribution. Weather warnings are from MetService under CC BY 4.0. Reliability data is from the New Zealand Commerce Commission under CC BY 4.0.

PowerOutageTracker.com. "Marlborough Power Outages." Accessed 4 November 2026. https://poweroutagetracker.com/world/new-zealand/marlborough
Sources (3)