New Zealand Wind Energy Market Size, Share and Outlook - Growth Analysis Report and Forecast Trends (2026-2035)

Market Overview

The New Zealand wind energy market is moving from a slow, consent-limited build towards a visible construction cycle. Large gentailers now hold approved projects, turbine orders are being placed, and developers are testing sites in Waikato and Southland that would be among the biggest in the country.

Three forces are shaping the market: security-of-supply concerns after dry hydro years, which favour wind and solar; new demand from data centres and aluminium smelting; and faster approvals, with the fast-track process approving a 380 MW Southland project in about five months.

In February 2025 the Environment Court consented Meridian's Mt Munro wind farm, and in August 2026 Mercury's board approved the Puke Kapo Hau wind farm at NZ$506 million. In October 2026 Nordex announced a 192 MW turbine order for that project.

Key Market Trends and Insights

• Operating base: The Wind Energy Association listed 1,265 MW across 21 wind farms and 661 turbines at the end of December 2025.
• Construction pipeline: The association reported more than 350 MW under construction, including Mercury's Kaiwaikawe and Kaiwera Downs 2 projects, which began generating during 2026.
• Faster consenting: Contact Energy's Southland Wind Farm, with up to 55 turbines, was approved through fast-track in April 2026, about five months after the expert panel began.
• Larger turbines: Nordex will supply 40 turbines of 4.8 MW each for Puke Kapo Hau, while Southland Wind Farm turbines of up to 7 MW were approved.

New Zealand Wind Energy Market Size and Forecast

The market is shifting from small and mid-sized farms towards very large projects with bigger turbines, supported by gentailers that can fund them from retail balance sheets. Utility-scale farms above 100 MW dominate value, while turbines above 6 MW advance fastest as Southland and Otago sites are built. Long-term contracts with data centres and industrial users gain share from spot sales as demand grows. Rest of New Zealand, which holds the Manawatu, Hawke's Bay, Southland and Taranaki farms, remains the largest region, and Waikato grows quickest as northern sites progress through approval. Faster consenting, tighter supply margins and fresh turbine orders point to a durable build cycle rather than a one-off burst, although grid connection and local opposition remain the main constraints.

Key Takeaways: New Zealand Wind Energy Market

Approved Projects Underpin a Doubling of Revenue

Revenue is on course to roughly double across the decade, from USD 500.00 million in 2025 to USD 1,002.12 million in 2035 at a 7.2% CAGR. About 1,265 MW already operates, and consented sites in Wairarapa, Otago and Southland supply the next stage of additions.

Large Farms and Bigger Turbines Lead Growth

Wind farms above 100 MW hold the largest share, but turbines above 6 MW grow at an estimated 9.4% CAGR and Waikato at an estimated 8.1% CAGR through 2035. Contact's Southland approval for up to 7 MW turbines and Vestas's 6.4 MW Kapuni order show the shift.

New Demand Pulls Long-Term Contracts Forward

Data centres and smelter restarts are creating firm demand that wind developers can contract against, which supports bank funding and final investment decisions. Gentailers also want more wind to firm supply when hydro lakes run low.

• Mercury signed a 140 MW power purchase option with Datagrid in March 2026
• Contact signed a letter of intent with Rio Tinto for a potline restart backed by Southland Wind
• Contact is seeking a strategic partner for its wider wind pipeline

New Zealand Wind Energy Market Report Summary

Key Insight

Approved projects and fresh turbine orders are lifting the build cycle, while large farms and bigger turbines take share. Rest of New Zealand leads, and Waikato grows fastest.

Key Trends in the New Zealand Wind Energy Market

The New Zealand wind energy market is being reshaped by project approvals, new demand from data centres and smelters, partnership searches and early-stage northern developments.

August 2026 - Meridian Moves Mt Munro Wind Farm Into Detailed Design

• Meridian's project page, updated on 19 August 2026, shows the 90 MW Mt Munro farm near Eketāhuna in pre-construction.
• It lists up to 20 turbines of about 4.5 MW each and a 3.5 km line to Transpower's 110 kV network.
• Meridian's board is expected to take the investment decision towards the end of 2026, which would add Wairarapa-edge capacity.

May 2026 - Contact Energy Confirms Southland Wind Farm Consent With No Appeals

• Contact said on 11 May 2026 that the appeal period had closed and no appeals were lodged against the Southland project.
• Up to 55 turbines could power 150,000 homes, and a final investment decision is expected next year.
• A Rio Tinto letter of intent would tie the farm to a potline restart at the Tiwai Point smelter.

March 2026 - Mercury Signs 140 MW Power Purchase Option With Datagrid

• Mercury said in its August 2026 results that it signed the 140 MW option with Datagrid in March 2026.
• In July 2026 it invested NZ$53 million for a 12.7% stake in the data centre developer.
• Contracted data centre demand gives wind developers a firm offtaker and supports long-term pricing.

February 2026 - Mercury Updates Community on Waikokowai Wind Farm in North Waikato

• Mercury's project page shows a February 2026 update leaflet for the farm west of Huntly.
• The site could host 400 MW or more and around 60 turbines, which would make it the largest in the country.
• The project is early-stage, with no approval or construction decision, so Waikato growth depends on consents.

Key Insight

Project approvals, contracted data centre demand and gentailer interest in firming supply are the main structural forces, while grid connection and local opposition remain the main risks to timing.

Recent Market Developments in the New Zealand Wind Energy Market

Recent developments, presented from the most recent, show a major turbine order, a board approval, first generation at a new northern farm and smaller turbine orders.

October 2026 - Nordex Wins 192 MW Turbine Order From Mercury for Puke Kapo Hau

• Nordex announced the order of 40 N133/4.8 turbines on 90-metre towers for the Otago site in the Lammermoor Range foothills.
• It includes a 30-year service agreement with Mercury, and first installation is scheduled for early 2028.
• The deal marks Nordex's entry to the market and widens turbine supplier choice.

August 2026 - Mercury Board Approves Puke Kapo Hau at NZ$506 Million

• Mercury announced the approval with its full-year results on 17 August 2026, citing final grid studies with Transpower.
• Combined with the existing stage, Mahinerangi is expected to total 228 MW and 646 GWh a year.
• Mercury committed NZ$710 million to new and existing assets during the year.

July 2026 - Kaiwaikawe Wind Farm Delivers First Generation in Northland

• Mercury reported first generation at Kaiwaikawe near Dargaville in July 2026, with full operation expected by the end of 2026.
• Kaiwera Downs 2 in Southland completed construction in June 2026 and was in final commissioning.
• Three 2026 projects together add about 1.1 TWh of annual renewable generation.

February 2026 - Vestas Wins 26 MW Kapuni Order From Hiringa Energy

• Vestas announced on 6 February 2026 an order for four V162-6.4 MW EnVentus turbines at Kapuni in Taranaki.
• The order carries a 20-year service agreement, with commissioning planned for the second quarter of next year.
• Hiringa leads development with partners including Balance Agri-Nutrients and Todd.

Key Insight

A major turbine order, a board approval and first generation at a new northern farm show developers moving from consent to construction, with larger machines becoming the norm.

New Zealand Wind Energy Industry Segmentation

The Expert Market Research’s report on the New Zealand Wind Energy Market offers a detailed analysis of the market based on the following segments.

Market Breakup by Project Scale

• Below 10 MW
• 10 MW to 100 MW
• Above 100 MW
• Others

Above 100 MW farms lead on value, in our estimate, because West Wind, Harapaki, Waipipi and Turitea each carry large output, and they grow at an estimated 7.9% CAGR through 2035. Contact's Southland project of up to 380 MW, fast-track approved in April 2026, is the largest addition. 10 MW to 100 MW farms such as Mt Munro, consented in February 2025 at 90 MW, grow steadily. Below 10 MW installations include Energy3's Marlborough turbines and Pioneer Energy's small southern farms. Others cover community and demonstration turbines.

Market Breakup by Turbine Rating

• Up to 3 MW
• Above 3 MW to 4.5 MW
• Above 4.5 MW to 6 MW
• Above 6 MW
• Others

Above 3 MW to 4.5 MW turbines lead on value, in our estimate, as Mt Munro's planned 4.5 MW machines and the existing large farms show. Up to 3 MW units are older machines and decline in share. Above 4.5 MW to 6 MW grows briskly, with Nordex supplying 40 turbines of 4.8 MW to Mercury, announced in October 2026. Above 6 MW grows fastest at an estimated 9.4% CAGR through 2035, supported by Vestas's 6.4 MW Kapuni order of February 2026 and turbines of up to 7 MW approved for Southland.

Market Breakup by Offtake Route

• Gentailer Retail Supply
• Wholesale Market Sales
• Corporate and Long-Term PPAs
• Data Centre and Industrial Supply
• Others

Gentailer Retail Supply leads, in our estimate, because Meridian, Mercury and Contact sell most of their wind output to their own customers. Wholesale Market Sales cover uncontracted output and price off the national spot market. Corporate and Long-Term PPAs include the wind contracts Contact acquired with Manawa Energy from 11 July 2025. Data Centre and Industrial Supply grows fastest at an estimated 8.7% CAGR through 2035, as Mercury's 140 MW Datagrid option of March 2026 and Contact's Rio Tinto letter of intent show.

Market Breakup by Region

• Auckland
• Wellington
• Canterbury
• Waikato
• Rest of New Zealand
• Others

Rest of New Zealand dominates, in our estimate, because it holds the Manawatu, Hawke's Bay, Taranaki and Southland farms, including Harapaki, Turitea and Kaiwera Downs, and it grows at an estimated 7.4% CAGR through 2035 on Southland Wind and Puke Kapo Hau. Waikato is the fastest-growing region at an estimated 8.1%, on Te Uku and the Waikokowai and Waiuku proposals. Wellington, home to West Wind and Mill Creek, grows at 5.8%. Auckland, served mainly through service and development spending, grows at 4.6%, and Canterbury, with small turbines, at 4.3%.

Competitive Landscape in the New Zealand Wind Energy Market

Competition combines the three listed gentailers that own most operating farms, global turbine makers and smaller regional developers. Entry barriers include consent risk, grid connection capacity, turbine supply slots, land access and the balance sheet needed to fund projects before revenue starts.

Meridian Energy

Meridian Energy, headquartered in Wellington, operates the Te Uku, Harapaki, Te Apiti, Mill Creek, West Wind and White Hill wind farms alongside its hydro stations. In February 2025 the Environment Court consented its 90 MW Mt Munro wind farm near Eketāhuna, expected to generate around 300 GWh a year. By August 2026 the project was in detailed design, with a board investment decision expected towards the end of 2026.

Mercury NZ

Mercury NZ, headquartered in Auckland, owns the Tararua, Turitea, Waipipi and Mahinerangi wind farms and Kaiwera Downs in Southland. It broke ground on Kaiwaikawe, Northland's first wind farm, in March 2025, and the farm produced first generation in July 2026. In August 2026 its board approved the NZ$506 million Puke Kapo Hau wind farm, and in October 2026 it ordered 192 MW of Nordex turbines.

Contact Energy

Contact Energy, headquartered in Wellington, completed its acquisition of Manawa Energy from 11 July 2025, adding contracted wind power purchase agreements to its hydro and geothermal base. Its Southland Wind Farm of up to 380 MW was approved under fast-track in April 2026 and the consent became final in May 2026. A final investment decision is expected next year, and Contact is seeking a strategic partner for its wind pipeline.

Vestas

Vestas, headquartered in Aarhus, Denmark, supplies wind turbines and long-term service across New Zealand. On 6 February 2026 it announced an order from Hiringa Energy for four V162-6.4 MW EnVentus turbines at the 26 MW Kapuni wind farm in Taranaki, with a 20-year service agreement. Commissioning is planned for the second quarter of next year. Mercury's Kaiwera Downs site in Southland also uses Vestas machines, and Vestas holds a long maintenance role there.

Other players operating in the New Zealand wind energy market include Nordex Group, Hiringa Energy, Pioneer Energy, NZ Windfarms, and Energy3, alongside project developers, civil and electrical contractors, regional line companies and landowner groups supplying sites, construction and maintenance services across New Zealand.

Key Insight

Competition rests on consent success, grid access, turbine supply slots and funding strength rather than price alone, while new turbine suppliers could reshape positions.