What ACEREZ does

ACEREZ Partnership is a private consortium of ACCIONA, COBRA and Endeavour Energy appointed by EnergyCo — a NSW Government statutory authority — to design, build, finance, operate and maintain the Central-West Orana Renewable Energy Zone (REZ) transmission network under a 35-year network operator licence granted in September 2024. It is the network operator for Australia's first REZ, a regulated transmission utility subject to oversight by the Australian Energy Regulator and operating under the National Electricity Rules and the National Electricity Market.

Its core product is high-voltage transmission infrastructure comprising approximately 90 km of 500 kV double-circuit overhead lines running from Elong Elong in the west through a centralised energy hub at Merotherie to a new switching station at Barigan Creek, plus approximately 150 km of 330 kV generator connection lines. The 500 kV lines — carried on towers 45–70 metres tall and spaced 400–600 metres apart — aggregate power from renewable generation projects via the Merotherie and Elong Elong energy hubs and deliver it to Transgrid's existing Wollar Substation for dispatch into the National Electricity Market. The system is designed to initially unlock up to 4.5 GW of new network capacity, scalable to 7.7 GW, with ten renewable energy projects (7.15 GW total) already awarded connection access rights. The $5.5 billion project reached financial close in April 2025, achieved major construction milestones through 2025–2026, and is targeted for commercial operations from 2028.

ACEREZ's business model is regulated asset ownership and operation: revenue will be generated through regulated transmission network charges over the 35-year operational period, governed by the National Electricity Rules and AER oversight. The consortium splits delivery by workstream — the ACCIONA COBRA Joint Venture (ACJV) handles design and construction, Endeavour Energy contributes operational network expertise and long-term operations, and a separate Maintenance and Lifecycle entity will manage the asset through its infrastructure lifecycle. Beyond regulated transmission services, ACEREZ runs a multi-million-dollar Community Grants Program (2026–2028), a Community Information Centre in Mudgee, a mobile Community Information Van, an Aboriginal and Torres Strait Islander apprenticeship program (Guyulgang Futures), and a Community Reference Group — all positioning functions supporting the licence's social-licence-to-operate requirements.

Name

ACEREZ

Legal name

ACEREZ Partnership

Website

https://acerez.com.au

Company type

Private

Founded year

2024

Operating status

Operating

Headcount range

251–500 employees

Short description

ACEREZ is a partnership of ACCIONA, COBRA, and Endeavour Energy appointed by EnergyCo to design, build, finance, operate, and maintain Australia's first Renewable Energy Zone transmission network in Central-West Orana, NSW, delivering up to 4.5 GW of capacity powering more than 2 million homes from 2028.

Ownership category

akta.pro rank

Product category

Electricity Transmission Services

NAICS

Electric Bulk Power Transmission and Control (221121), Electric Power Transmission, Control, and Distribution (22112), Electric Power Generation, Transmission and Distribution (2211)

SIC

Electric Services (4911)

akta.pro primary industry

HVAC Transmission Lines (EHV/UHV Overhead & Underground) (EUADAAAD)

akta.pro secondary industries

Transmission Substations & High-Voltage Switchyards (EUADAAAF), Electrical Systems O&M (Substations, Transformers, Switchgear, Protection & Controls) (EUAMAGAH), Transmission Interconnection & Line Works (Gen-Tie Lines, Overhead/Underground Lines) (EUAMAFAF)

Keywords

• Electricity transmission services
• Renewable energy zones
• High voltage transmission
• Transmission infrastructure
• Energy network operation

Headquarters

HQ city

Sydney

HQ country

Australia

HQ region

Oceania

Offices5 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Infrastructure, Supply Chain, Personnel, Operations, Technology or R&D, Marketing or Sales

Revenue model

1. Transmission Operator Licence (Regulated Revenue): ACEREZ holds a transmission operator's licence granted by the NSW Government. As a regulated transmission network operator, ACEREZ operates within the National Electricity Rules (NER) and National Electricity Market (NEM), subject to oversight by the Australian Energy Regulator (AER). Revenue is generated through regulated transmission network charges over the 35-year operational period.

Go-to-market motion1 record

Distribution channels3 records

Marketing channels8 records

Core offering

ACEREZ designs, builds, finances, operates and maintains the Central-West Orana Renewable Energy Zone transmission network in New South Wales, Australia. The offering comprises approximately 90 km of 500 kV overhead double-circuit transmission lines, around 150 km of 330 kV lines, energy hubs at Merotherie and Elong Elong, and a switching station at Barigan Creek, connecting renewable energy generators to Transgrid's Wollar Substation and the National Electricity Market under a 35-year network operator licence.

Product overview

ACEREZ operates as a network operator consortium (partnership of ACCIONA, COBRA, and Endeavour Energy) delivering the Central-West Orana Renewable Energy Zone transmission network. The core product is the transmission infrastructure consisting of high-capacity 500kV and 330kV transmission lines, energy hubs at Merotherie and Elong Elong, and a switching station at Barigan Creek connecting to the National Electricity Market. Supporting infrastructure includes workforce accommodation facilities. The company also operates community programs including a Community Grants Program (delivering up to $4 million in 2026 across small and significant grant categories), a Community Information Centre in Mudgee, and a mobile Community Information Van. A workforce program (Guyulgang Futures) supports Aboriginal and Torres Strait Islander employment. The project is Australia's first Renewable Energy Zone, delivering up to 4.5GW capacity from 2028.

Differentiator

Problem solved

Functional benefit

Products and services

• Central-West Orana Renewable Energy Zone Transmission Network Design, build, finance, operation and maintenance of high-voltage 500 kV and 330 kV transmission network connecting renewable energy generators in the Central-West Orana region of NSW to the National Electricity Market via Transgrid's Wollar Substation. Operated under a 35-year network operator licence granted by EnergyCo on behalf of the NSW Government.
• Community Grants Program Funding program offering community grants across the Central-West Orana REZ footprint to support local projects, organisations and initiatives that benefit communities in the project area.
• Guyulgang Futures (Strong Futures) Program Apprenticeship, traineeship and workforce development program providing paid placement opportunities, wraparound support and pathways into the renewable energy and transmission sector for local workers.

Quantifiable outcome

• Powers more than 2 million NSW homes with renewable energy
• +4 more outcomes

Named customers1 record

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Six partnerships are on record, tiered flagship / core, minor and core.

• EnergyCo (Energy Corporation of NSW)flagship / coreStrategic or Co-development Partner · 25 September 2024ACEREZ was appointed network operator by EnergyCo via a competitive tender to design, build, finance, operate and maintain the Central-West Orana REZ transmission network for 35 years. EnergyCo is the NSW statutory authority responsible for leading delivery of Renewable Energy Zones. This is ACEREZ's primary contractual relationship and the entire business model centres on this appointment. ACEREZ reached financial close with EnergyCo in April 2025.
• NSW FarmersminorStrategic or Co-development Partner · 6 August 2024A Memorandum of Understanding (MOU) was signed between NSW Farmers (the state's peak farming body), EnergyCo, and ACEREZ to give NSW landholders a greater voice on the energy transition and improve outcomes in the Central-West Orana REZ. The MOU supports landholder engagement and consultation throughout the project.
• ACCIONAcoreStrategic or Co-development PartnerACCIONA is a global leader in sustainable infrastructure solutions spanning design, construction, and operation/maintenance. In Australia, ACCIONA has over 100 years of history delivering complex transport, energy and water projects including Sydney's WestConnex, Adelaide Desalination Plant, and MacIntyre Wind Farm in Queensland. Within ACEREZ, ACCIONA participates in the Design and Construct joint venture (ACJV) with COBRA and as part of the Network Operator entity.
• COBRAcoreStrategic or Co-development PartnerCOBRA celebrates over 80 years as a world leader in the development, construction, and operation of energy infrastructure. With a global footprint in 43 countries, COBRA has financed, developed and delivered more than 30,000 kilometres of transmission line projects across Europe, South America, Africa and Asia and has extensive experience in Public Private Partnerships. Within ACEREZ, COBRA participates in the Design and Construct joint venture (ACJV) with ACCIONA and as part of the Network Operator entity.
• Endeavour EnergycoreStrategic or Co-development PartnerEndeavour Energy is one of Australia's most efficient electricity networks, delivering safe, reliable, sustainable and affordable electricity to 2.7 million people in NSW. The network spans over 25,000 km from the Central-West Orana REZ border to Greater Western Sydney, Blue Mountains, Southern Highlands, Illawarra and South Coast. Endeavour Energy is committed to decarbonising the grid by 2035. Within ACEREZ, Endeavour Energy contributes operational network expertise and participates as the Network Operator entity.
• The Energy CharterminorGTM or Marketing PartnerACEREZ is a #BetterTogether Collaborator with The Energy Charter, cementing commitment to driving better outcomes for communities in the Central-West Orana region. Participation in The Energy Charter demonstrates commitment to transparency and community benefit.

Scale indicators8 records

Recent moves6 records

Expansion highlights5 records

Others

• EnergyCo: NSW Government statutory authority and ACEREZ's sole contractual counterparty as REZ programme owner. Relevant as the customer/principal rather than a direct competitor, but central to understanding the regulatory and policy framework in which ACEREZ operates.

Direct peers

• Transgrid: NSW's principal transmission network operator and owner of the Wollar Substation where ACEREZ's Barigan Creek switching station connects into the NEM. Closest direct peer as a regulated high-voltage transmission system operator in the same Australian market.
• AusNet Services: Victorian electricity transmission and distribution network operator with regulated revenues under AER oversight. Comparable business model as a state-based transmission network service provider operating under the National Electricity Rules.
• APA Group: Australia's largest natural gas infrastructure business with growing electricity transmission interests, operating under regulated and long-term contract frameworks. Comparable as a long-duration Australian energy infrastructure operator with similar revenue model characteristics.
• ElectraNet: South Australian transmission network operator currently delivering Project EnergyConnect (SA-NSW interconnector). Closely comparable to ACEREZ as a regulated TSO building new high-voltage transmission lines for renewable energy interconnection.
• TasNetworks: Tasmanian transmission and distribution network operator partnering on Marinus Link HVDC project. Comparable as a state-based regulated TSO with experience in renewable energy transmission and new-build transmission infrastructure.
• Powerlink Queensland: Queensland's state-owned transmission network operator, building high-voltage transmission infrastructure to support renewable energy zones. Directly comparable as a regulated Australian TSO focused on connecting renewables to the grid.

Broad incumbents

• Iberdrola: Global renewable energy and regulated networks operator with extensive transmission and distribution assets in the UK (ScottishPower), US (Avangrid Networks), Spain, and Brazil. Comparable as a parent-level entity integrating renewable generation with transmission infrastructure delivery.
• National Grid: UK-listed regulated electricity and gas transmission operator with growing US operations. Comparable as a large established transmission system operator with regulated returns and exposure to renewable energy interconnection investment.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat3 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/acerez

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about ACEREZ