Z Energy
A New Zealand fuel distribution and service-station business operating Z and Caltex-branded sites.
Last updated August 26, 2026
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Overview
Z Energy is a New Zealand fuel distribution company and service-station brand. Its business developed from Shell New Zealand’s former downstream fuel operations, which were acquired in 2010 by infrastructure investor Infratil and the New Zealand Superannuation Fund. The acquired business initially retained Shell branding while its holding company was renamed Greenstone Energy. After customer research involving approximately 17,000 people, the company adopted the Z Energy name and introduced the Z forecourt brand in 2011. The Z identity was designed as a locally oriented replacement for the international Shell brand. The company promoted a stronger focus on customer service, convenience retailing and food at service stations, while also bringing some functions that had previously been outsourced overseas back into New Zealand. In 2011, 226 former Shell stations were rebranded as Z sites. The rebranding represented a major strategic and marketing transition, although the company remained exposed to the competitive and capital-intensive characteristics of the fuel retail market. Z expanded beyond its inherited Shell network through organic development and acquisitions. In 2015 it agreed to purchase Chevron’s New Zealand business for NZ$785 million, including the Caltex fuel business, lubricants and engine oils interests, and the Challenge! business. Regulatory approval was obtained in 2016 and the transaction was completed on 1 June 2016. Z retained both the Z and Caltex identities in New Zealand, operating Caltex under a licensing arrangement with Chevron International. The Caltex licence was renewed in 2022. Through this acquisition, Z became one of the country’s largest fuel distributors and broadened its service-station, commercial-fuel and lubricants activities. The company’s activities extend beyond retail petrol and diesel. It supplies commercial, aviation, marine, chemical and bitumen customers; operates tank farms and terminals; manufactures surfactant chemicals; operates coastal oil tankers; and provides mobile refuelling services. It has also held interests in infrastructure and industry ventures, including New Zealand Oil Services, the New Zealand Refining Company and Loyalty New Zealand, the operator of Flybuys. The business has operated a large network of branded sites, including hundreds of Z and Caltex locations, with many stations leased from third parties or independently owned rather than held freehold. Z became publicly traded through a 2013 initial public offering on the New Zealand Exchange. Infratil and the New Zealand Superannuation Fund later reduced their holdings through sell-downs. In August 2021, Australian fuel company Ampol announced a takeover proposal valued at approximately NZ$2 billion. The acquisition was completed in May 2022, making Z Energy an Ampol subsidiary and ending its status as an independently listed company. In 2025, the company announced the planned sale of its Flick electricity business and Z retail electricity customers to Meridian Energy for NZ$70 million, subject to the relevant transaction process. It also began withdrawing from parts of the former Z and Caltex retail footprint as U-Go took over selected sites. Z remains primarily a New Zealand downstream energy and fuel-services business, with its consumer-facing presence centred on Z-branded service stations and Caltex-branded sites.
History
Z Energy emerged from the sale of Shell New Zealand’s downstream fuel-distribution operations in 2010. Infratil and the New Zealand Superannuation Fund acquired the business and Shell’s interest in the New Zealand refining sector for a reported NZ$891 million, while Shell’s Taranaki exploration and production activities were excluded. The holding company was renamed Greenstone Energy, but Shell branding initially remained visible at service stations. After customer research, Greenstone adopted the Z Energy name in 2011. The new identity replaced the Shell brand at 226 service stations and presented the business as a distinctly New Zealand fuel company. Z’s launch strategy combined fuel retailing with improved forecourt service and expanded food and convenience offerings. The transition also involved bringing selected information-technology, finance and call-centre functions back into New Zealand. A launch advertisement caused criticism because of its portrayal of ethnicity and outsourcing; the company apologized and replaced the campaign. Before its public listing, Z used a mixture of owned, leased and independently operated sites. It sold and leased back some properties to release capital and carried out a substantial revaluation of property, plant and equipment. The company issued retail bonds and paid distributions to its founding investors before its 2013 IPO. The IPO was priced at NZ$3.50 per share and valued the company at approximately NZ$1.4 billion. Infratil and the New Zealand Superannuation Fund retained a combined minority position after the listing. The next major stage was expansion through the acquisition of Chevron’s New Zealand subsidiary. Z agreed to the transaction in 2015 for NZ$785 million. The assets included the Caltex fuel network, lubricants and engine oils, and the Challenge! business. The Commerce Commission approved the transaction in 2016, and completion took place on 1 June 2016. Z subsequently operated both Z and Caltex-branded stations, with Caltex continuing under a licence from Chevron International. The arrangement was renewed in 2022. Z’s wider asset base included fuel terminals and storage infrastructure, coastal shipping, mobile refuelling, chemical manufacturing and supply to aviation, marine, commercial and industrial customers. It also participated in New Zealand Oil Services, a joint venture with BP, and held interests connected with refining and the Flybuys loyalty programme. The business therefore combined consumer-facing retail with wholesale and infrastructure activities. In 2015 and 2016, the original investors progressively sold down their stakes. Infratil ultimately exited, while the New Zealand Superannuation Fund also reduced its holding. In August 2021, Ampol launched a takeover proposal for Z Energy. The transaction was completed in May 2022, after which Z became part of the Australian fuel company’s group and ceased to operate as an independent listed company. The company later reassessed its electricity-retailing activities. In May 2025 it announced the proposed sale of Flick and Z’s retail electricity customers to Meridian Energy for NZ$70 million. During the same period, U-Go began taking over selected former Z and Caltex sites. Z’s continuing identity is principally associated with fuel stations, commercial energy supply and downstream petroleum services in New Zealand.
- 2025
Electricity-retail exit announced
[1]Z announced the proposed sale of Flick and its retail electricity customers to Meridian Energy.
- 2022
Ampol takeover completed
[1]Ampol completed its takeover of Z Energy, making the New Zealand business an Ampol subsidiary.
- 2016
Chevron New Zealand acquisition completed
[1]Z completed the acquisition of Chevron’s New Zealand subsidiary, adding Caltex, Challenge!, lubricants and related fuel assets.
- 2013
Initial public offering
[1]Z listed through an IPO priced at NZ$3.50 per share and was valued at approximately NZ$1.4 billion at the offer price.
- 2011
Z brand launched
[1]Greenstone Energy adopted the Z Energy name and rebranded 226 former Shell service stations.
- 2010
Shell New Zealand downstream assets acquired
[1]Infratil and the New Zealand Superannuation Fund acquired Shell New Zealand’s fuel-distribution operations and related refining interest; the holding company became Greenstone Energy.
Products and positioning
A locally oriented New Zealand fuel and convenience retailer combined with a broad downstream energy-services platform. The brand emphasizes forecourt service, convenience retailing and national availability while also serving commercial, industrial, aviation and marine customers.
Fuel retail and convenience · 2011
Z service stations
The Z network is the company’s primary consumer-facing offering in New Zealand. Sites sell petrol and diesel and generally combine forecourt services with convenience retail, food and beverages. The network was created by converting the former Shell New Zealand station estate to the Z identity in 2011 and was subsequently expanded and modernized.
Fuel retail · 2016
Caltex New Zealand
Z operates Caltex-branded fuel stations in New Zealand under a licence from Chevron International. The business entered Z’s portfolio through the 2016 acquisition of Chevron’s New Zealand subsidiary. Caltex remains a distinct retail identity alongside Z rather than being fully absorbed into the Z brand.
Wholesale and industrial energy
Commercial and specialist fuels
Z supplies fuel to commercial, aviation and marine customers and provides bitumen, lubricants and engine oils. These activities complement the retail station network and serve transport, infrastructure, industrial and other business users.
Electricity retail
Flick electricity
Flick was Z Energy’s electricity-retailing business. In 2025, Z announced an agreement to sell Flick and its Z retail electricity customers to Meridian Energy as part of its decision to exit retail electricity.
Controversies
2011
Criticism of Z launch advertisement
A launch advertisement showing New Zealand-looking people removing call-centre equipment from Asian-looking workers was criticized as racially insensitive. Chief executive Mike Bennetts apologized, and Z released a replacement advertisement with a diverse cast.
Marketing campaigns
- 2011Z brand launch campaign
New Zealand
The campaign introduced Z as the replacement for Shell branding and presented the company as a locally focused New Zealand fuel retailer.
Outcome. The original campaign advertisement was withdrawn after criticism and replaced with a more inclusive version.
Brand decisions
2025
Exit from retail electricityStrategyBackground
Z reassessed its position in the retail electricity market while focusing on its core fuel and downstream energy activities.
Action taken
Z agreed to sell Flick and its Z retail electricity customers to Meridian Energy.
Aftermath
The announced transaction would remove Z from retail electricity, subject to completion of the sale process.
Sale price. NZ$70 million (Announced May 2025)
2021
Ampol takeover proposalM&ABackground
Ampol pursued expansion in the New Zealand fuel market through the acquisition of Z Energy.
Action taken
Ampol launched a takeover bid for Z Energy valued at approximately NZ$2 billion.
Aftermath
The transaction completed in May 2022 and Z became an Ampol subsidiary.
Takeover value. Approximately NZ$2 billion (Bid announced August 2021; completed May 2022)
2015
Agreement to acquire Chevron New ZealandM&ABackground
Z sought to expand its New Zealand fuel network and add the Caltex, Challenge!, lubricants and engine-oils businesses.
Action taken
Z agreed to purchase Chevron’s New Zealand subsidiary for NZ$785 million, subject to regulatory approvals.
Aftermath
The acquisition was approved and completed in 2016, materially expanding Z’s market presence and creating a dual Z-Caltex retail network.
Acquisition price. NZ$785 million (Agreement signed 2 June 2015; completed 1 June 2016)
2011
Replace Shell branding with ZStrategyBackground
Following the acquisition of Shell New Zealand’s downstream business, the company sought a locally controlled identity and conducted customer research before selecting a new name.
Action taken
Greenstone Energy adopted the Z Energy name and rebranded the former Shell station network.
Aftermath
Z became a major New Zealand fuel-station brand, although it continued to face competition from BP, Mobil, Gull and independent operators.
Rebranding cost. Approximately NZ$60 million (2011 rebranding programme)
Recent events
- Unconfirmed
Ampol raises takeover offer for Z Energy[2]
Ampol raised its takeover offer for Z Energy, and Z Energy's board unanimously recommended that shareholders vote in favour of the offer, subject to stated conditions. The proposed deal values Z Energy at about $2 billion and still requires approvals.
Z Energy announced a partnership with The Icehouse to offer customer scholarships[3]
Z Energy announced a partnership with The Icehouse, offering scholarships to seven small-business customers to attend Icehouse workshops. The article says the partnership was kicking off that month.
- Unconfirmed
Z Energy introduces Carbon Count[4]
Z Energy introduced Carbon Count in its app, allowing motorists to view the carbon impact of fuel purchases and pay to offset emissions. Carbon credits for the scheme will be managed by Permanent Forests New Zealand.
Sources4 sources
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