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

Market Overview

The New Zealand solar energy market is shifting from a niche rooftop activity to a core source of new generation. Developers are energising farms of 200 MW, retailers are tying solar to dairy electrification, and households and businesses are adding panels and batteries at record pace.

Three forces are shaping the market: utility-scale projects that are reaching financial close and commissioning at the same time; rooftop uptake that passed 1,000 MW in May 2026 after rules were relaxed; and the need for summer-weighted supply to cover dry-year hydro risk and growing electrified load.

In July 2026 Harmony Energy energised the Tauhei Solar Farm in Waikato, and in August 2026 Contact Energy confirmed that commissioning had started at Kōwhai Park. The Ministry of Business, Innovation and Employment reported on 10 September 2026 that solar generation rose 56.2% in the second quarter.

Key Market Trends and Insights

• Rooftop milestone: Electricity Authority data showed distributed solar reached 1,020 MW across 88,412 connections at 30 June 2026, after a 57% jump in the preceding twelve months.
• Record generation: Solar produced 242 GWh in the second quarter of 2026, up 56.2% year on year, and over twelve months it generated more electricity than coal for the first time.
• Largest farm online: The 202 MWp Tauhei Solar Farm was energised in July 2026, with all output for its first ten years contracted to Meridian Energy under a power purchase agreement.
• Rules relaxed: A building consent exemption took effect in October 2025, so most rooftop systems no longer need consent, and installers registered 13,533 new systems in the year to June 2026.

New Zealand Solar Energy Market Size and Forecast

The market is moving from small rooftop systems towards large solar farms, commercial arrays and battery-ready homes, with generator-retailers committing capital ahead of expected electricity demand from dairy processing, transport and industry. Utility-scale solar farms lead in value because a single project carries hundreds of millions of dollars of modules, grid works and construction. Commercial and industrial rooftop systems advance fastest as power purchase agreements remove upfront cost for businesses. Installation and engineering services dominate spending today, while operations and maintenance grows as the installed base ages. Waikato is the largest region, and Auckland grows quickest from a low household penetration. Fast-track consenting, relaxed rooftop rules and falling module prices point to durable expansion rather than a short cycle.

Key Takeaways: New Zealand Solar Energy Market

Solar Farms and Rooftops Both Scale Up

Revenue is on course to expand by about 88% across the decade, from USD 760.00 million in 2025 to USD 1,426.62 million in 2035 at a 6.5% CAGR. Distributed capacity grew 369 MW in the year to June 2026, while farms of 100 MW and above move from approval to construction.

Commercial and Third-Party Models Lead Growth

Utility-Scale Solar Farms hold the largest share, but Commercial and Industrial Rooftop grows at an estimated 8.1% CAGR and Third-Party Owned systems at an estimated 8.6% CAGR through 2035. Commercial connections already carry 565 MW, more than the 456 MW on homes, and farm clusters near Whitianga, Huntly and the Far North add to that.

Generator-Retailers Commit to Solar Pipelines

Contact Energy, Meridian Energy and Genesis Energy all advanced projects in 2026, which gives developers and contractors visible work well into the next decade.

• Meridian won consent for a 110 MW farm at Morrinsville in July 2026
• Genesis took final investment decisions on Tihori and Leeston by August 2026
• Contact reached financial close on Glorit in June 2026

New Zealand Solar Energy Market Report Summary

Key Insight

Demand is shifting towards large solar farms and commercial rooftop systems as grid operators seek summer supply. Waikato leads, and Auckland grows fastest from a low household base.

Key Trends in the New Zealand Solar Energy Market

The New Zealand solar energy market is being reshaped by record generation, farm commissioning, retailer investment in solar for dairy electrification and relaxed rooftop consent rules.

September 2026 - Solar Generation Rises 56.2% to a Record 242 GWh in the Second Quarter

• The Ministry of Business, Innovation and Employment released its energy quarterly on 10 September 2026, showing solar output of 242 GWh.
• Over a rolling twelve-month period, solar generated more electricity than coal for the first time on record.
• Renewables supplied 92% of electricity in the quarter, so each solar addition displaces gas-fired winter and shoulder-season supply.

August 2026 - Contact Energy Starts Commissioning at Kōwhai Park and Backs Dairy Electrification

• Contact Energy reported its annual result on 10 August 2026 and confirmed that commissioning is underway at Kōwhai Park, its joint venture with Lightsource bp.
• The same release noted financial close for the Glorit solar farm in June 2026.
• Summer-weighted solar output suits roughly half a terawatt hour a year of dairy electrification load that Contact holds under contract.

July 2026 - Tauhei Becomes New Zealand's Largest Operating Solar Farm

• Harmony Energy New Zealand and Igneo Infrastructure Partners energised the 202 MWp Tauhei Solar Farm near Te Aroha in July 2026.
• Full commercial operation is targeted for September to October 2026, with about 280 GWh of annual generation.
• Meridian Energy contracted all output for the first ten years, which shows how retailers secure supply from independent developers.

October 2025 - Building Consent Exemption for Rooftop Solar Takes Effect

• A reform announced in June 2025 widened the permitted voltage range and, from October 2025, removed building consent for most rooftop installations.
• Installers then registered 13,533 new systems in the year to June 2026, about 260 a week.
• Lower soft costs and faster approvals help installers quote quickly, which favours scaled residential and small commercial sales.

Key Insight

Record generation, farm commissioning and relaxed rooftop consent rules are the main structural forces, while grid connection timing and supply chain costs remain the main risks to delivery.

Recent Market Developments in the New Zealand Solar Energy Market

Recent developments, presented from the most recent, show final investment decisions, project finance, consents and a large site acquisition across the North and South Islands.

August 2026 - Genesis Energy Confirms Final Investment Decisions on Tihori and Leeston

• Genesis Energy reported its annual result on 27 August 2026, showing Tihori, formerly Edgecumbe, at 136 MWp had reached a final investment decision.
• Leeston in Canterbury, at 70 MWp, also reached a final investment decision, while Rangiriri at 271 MWp remains in development.
• Two approved farms give engineering contractors and module suppliers a defined work programme.

July 2026 - Lodestone Energy Reaches Financial Close on Central Hawke's Bay Farm

• Lodestone Energy and the network operator Centralines locked in funding for a 31.5 MW farm worth NZ$50 million on 13 July 2026.
• The plant will feed directly into Centralines' local network and is scheduled to start operating in late 2027.
• Lodestone has also received provisional fast-track approval for the 220 MW Haldon farm in the South Island.

July 2026 - Meridian Energy Secures Consent for the 110 MW Morrinsville Solar Farm

• Meridian Energy received consent for a 110 MW farm near Morrinsville in Waikato, reported on 27 July 2026, with output of up to 200 GWh a year.
• The project could create more than 100 local construction jobs and the consent allows a future battery system on site.
• A final investment decision by the board is still pending, and Bunnythorpe, consented in May 2026, is expected to follow next year.

October 2025 - Genesis Energy Acquires the 271 MWp Rangiriri Solar Development

• Genesis Energy announced on 29 October 2025 that it had acquired rights to a 271 MWp farm near Rangiriri in Waikato from Pioneer Green Power.
• The project is expected to generate about 437 GWh a year, enough for roughly 54,600 homes, at an estimated cost of NZ$487 million.
• A final investment decision is planned for next year, with first generation later this decade.

Key Insight

Final investment decisions, project finance and large site acquisitions show developers and generator-retailers moving ahead with solar pipelines, which supports steady contracting work through the forecast period.

New Zealand Solar Energy Industry Segmentation

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

Market Breakup by Installation Type

• Utility-Scale Solar Farms
• Commercial and Industrial Rooftop
• Residential Rooftop
• Others

Utility-Scale Solar Farms lead on value, in our estimate, as Tauhei at 202 MWp was energised in July 2026 and Meridian Energy's Ruakākā farm is due to deliver first power late in 2026. Commercial and Industrial Rooftop grows fastest at an estimated 8.1% CAGR through 2035, with 7,949 commercial connections carrying 565 MW at June 2026. Residential Rooftop holds 80,463 connections and 456 MW, with an average system of 5.7 kW, and grows steadily. Others include agricultural, community and floating or carport systems, and Central Hawke's Bay's 31.5 MW farm, financed in July 2026, shows mid-sized projects joining the mix.

Market Breakup by Offering

• Solar Modules
• Inverters and Balance of System
• Installation and EPC Services
• Operations and Maintenance Services
• Others

Installation and EPC Services lead, in our estimate, because contractors such as Elecnor on Tauhei and CHINTEC on Kōwhai Park carry the largest share of project spend. Solar Modules follow, with the Central Hawke's Bay farm using about 49,000 modules of 640 W. Inverters and Balance of System grow with battery coupling, since about 22% of connections already report a battery. Operations and Maintenance Services grow fastest at an estimated 7.4% CAGR through 2035, as Tauhei, Kōwhai Park and other farms move from construction into long-term operation during 2026.

Market Breakup by Ownership Model

• Utility and Developer Owned
• Customer Owned
• Third-Party Owned (PPA and Lease)
• Others

Utility and Developer Owned assets lead, in our estimate, with Harmony Energy, Igneo, Lightsource bp and Contact Energy holding the largest farms. Customer Owned systems cover most of the 80,463 residential connections reported at June 2026. Third-Party Owned (PPA and Lease) grows fastest at an estimated 8.6% CAGR through 2035, because Sunergise finances commercial arrays, including a 5.3 MW system at Fisher and Paykel Healthcare, under pay-for-generation contracts. Others include community schemes and network-owned projects such as the Centralines joint venture financed in July 2026.

Market Breakup by Region

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

Waikato dominates, in our estimate, with the 202 MWp Tauhei farm, the 110 MW Morrinsville consent of July 2026 and the 271 MWp Rangiriri site, and it grows at 6.9%. Auckland is the fastest-growing region at an estimated 7.7% CAGR, as it holds the most residential connections, 14,877, yet only 2.4% household uptake. Canterbury grows at 6.2%, with 13,934 solar homes and the Kōwhai Park farm commissioning from August 2026. Wellington grows at 6.0%, led by commercial rooftops. Rest of New Zealand grows at 6.6%, including Northland's Ruakākā farm and Tasman's 9.1% household uptake.

Competitive Landscape in the New Zealand Solar Energy Market

Competition combines the listed generator-retailers, specialist independent developers and commercial installers. Entry barriers include grid connection access, land and consent approvals, project finance, contractor capacity and long-term offtake with a retailer.

Meridian Energy

Meridian Energy, headquartered in Wellington, is a state-majority-owned generator-retailer best known for hydro, wind and now solar. It is building the Ruakākā solar farm in Northland, which was approved at a cost of NZ$227 million, with first power expected in late 2026. In July 2026 it won consent for a 110 MW farm at Morrinsville and contracted all output from Tauhei for ten years, after consenting a 120 MW Bunnythorpe farm in May 2026.

Contact Energy

Contact Energy, headquartered in Wellington, is a generator-retailer that builds solar through its joint venture with Lightsource bp. At its result on 10 August 2026 it reported that commissioning had started at the 168 MWdc Kōwhai Park farm beside Christchurch Airport and that Glorit had reached financial close in June 2026. It links summer solar output to roughly half a terawatt hour a year of dairy electrification load.

Genesis Energy

Genesis Energy, headquartered in Auckland, is a generator-retailer with a growing solar pipeline. It announced the 271 MWp Rangiriri acquisition on 29 October 2025 and reached financial close on the Edgecumbe farm in Bay of Plenty in November 2025. At its result on 27 August 2026 it confirmed investment decisions on Tihori, at 136 MWp, and on the 70 MWp Leeston farm in Canterbury.

Lodestone Energy

Lodestone Energy, an Auckland-based solar developer, builds and owns farms across the North and South Islands. In July 2026 it reached financial close on a 31.5 MW, NZ$50 million farm in Central Hawke's Bay with Centralines, its sixth New Zealand solar project, with operations due in late 2027. It also holds provisional fast-track approval for the 220 MW Haldon farm in the South Island.

Other players operating in the New Zealand solar energy market include Harmony Energy New Zealand, Lightsource bp, Aquila Clean Energy APAC, Sunergise, and Elecnor New Zealand, alongside independent installers, network operators, engineering contractors and equipment distributors serving homes, farms, businesses and project developers across New Zealand.

Key Insight

Competition rests on grid connection access, project finance, retailer offtake and contractor capacity rather than panel price alone, while new entrants and joint ventures keep reshaping the developer landscape.