What Powerlink Queensland does

Powerlink Queensland, legally Queensland Electricity Transmission Corporation Limited (ACN 078 849 233), is the Queensland Government-owned electricity transmission network operator, founded circa 1995 and headquartered in Virginia, Queensland. The company operates the state's high-voltage transmission network comprising 15,559 circuit kilometres of lines operating at 132kV, 275kV and 330kV and 154 substations extending 1,700km from north of Cairns to the New South Wales border. It serves more than five million Queenslanders and 241,000 businesses by transmitting bulk electricity from generators (solar, wind, thermal, gas, hydro) to two principal distribution customers, Energex and Ergon Energy Network. Powerlink operates as a regulated monopoly under the National Electricity Rules, with revenue approved by the Australian Energy Regulator every five years through a formal Revenue Proposal process — its most recent proposal was lodged in January 2026 for the 2027-2032 regulatory period.

The company's product set centres on the physical transmission network and adjacent services, including network connections (with capabilities across all major generation types), synchronous condensers for system strength as Queensland transitions from coal to inverter-based renewables, asset management, operations and maintenance support, oil testing and laboratory services, and property search. A notable technology initiative is the Australian-first Dynamic Line Ratings trial deploying 22 powerline-mounted sensors and eight portable weather stations across 200km of network, enabling up to 40% additional transfer capacity under favourable weather conditions without new build. Powerlink also acquired the CopperString 330kV transmission link project from CuString Pty Ltd in 2023 to connect Queensland's mineral and renewable regions to the National Electricity Market, with the Eastern Link targeted for 2032 completion.

Powerlink's commercial model is fundamentally different from a competitive enterprise: as a Queensland Government-owned corporation it has no external shareholders, no equity capital markets, and no competitive substitution risk. Growth is driven by Queensland's legislated 80% renewables target by 2035, which has translated into nine large-scale battery storage connection agreements totalling more than 2GW in the trailing twelve months (including partnerships with Quinbrook, Iberdrola Australia, AGL Energy, and Hanwha Energy Australia). In April 2026 Powerlink signed an agreement with Hitachi Energy to supply and install four synchronous condensers across Central Queensland substations by 2029, and in the same month announced Dr Seán Mc Goldrick — currently CEO of TasNetworks — as the company's fourth permanent CEO, effective 29 June 2026.

Name

Powerlink Queensland

Legal name

Queensland Electricity Transmission Corporation Limited ACN 078 849 233

Website

https://powerlink.com.au

Company type

Private

Founded year

1995

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

Powerlink Queensland is the Queensland Government-owned, regulated monopoly operator of the state's high-voltage electricity transmission network, serving more than 5 million Queenslanders and 241,000 businesses across 15,559 circuit kilometres of transmission lines and 154 substations.

Ownership category

akta.pro rank

Product category

Electricity Transmission Services

NAICS

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

SIC

Electric Services (4911)

akta.pro primary industry

Transmission Substations & High-Voltage Switchyards (EUADAAAF)

akta.pro secondary industries

High-Voltage Electrical Systems (Switchgear, Transformers, Protection & Control) (EUAEAFAA), Substations, Transformers & Grid Step-Up Facilities (EHV Substations, GSU Transformers) (EUAMAFAE), Reactive Power & Power Quality Equipment (Capacitor Banks, Reactors, STATCOM/SVC, Harmonic Filters) (IMAGAAAG), Grid Interconnection & Collector Substation EPC (Utility-Scale Renewables) (EUAEABAK)

Keywords

• Electricity transmission services
• High voltage network
• Grid connection services
• Power transmission infrastructure
• Transmission network operator

Headquarters

HQ city

Virginia

HQ country

Australia

HQ region

Oceania

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Regulated Transmission Revenue: Powerlink operates as a regulated monopoly under the National Electricity Rules. Revenue is approved by the Australian Energy Regulator (AER) every five years through a Revenue Proposal process. The company lodges its Revenue Proposal outlining forecast revenue requirements to provide efficient, safe and reliable transmission service. The AER assesses the proposal to ensure it meets National Electricity Rules requirements.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels6 records

Core offering

Powerlink Queensland owns and operates Queensland's high-voltage electricity transmission network spanning 15,559 circuit kilometres across 154 substations. The state-owned corporation connects electricity generators (solar, wind, thermal, gas, hydro) and large loads to the transmission network, delivering electricity to more than five million Queenslanders and 241,000 businesses. It also offers ancillary services including network connections, oil testing and laboratory analysis, asset management, operations and maintenance support, and property search services.

Product overview

Powerlink Queensland operates as a single unified transmission network service provider managing Queensland's high-voltage electricity transmission infrastructure. The core offering is the electricity transmission network, which delivers power to more than five million Queenslanders and 241,000 businesses. Supporting services include network connections, asset management, operations and maintenance support, oil testing and laboratory services, and property search. Key infrastructure products include synchronous condensers for system strength and dynamic line ratings technology for network optimization. The company is government-owned and regulated by the Australian Energy Regulator.

Differentiator

Problem solved

Functional benefit

Products and services

• Electricity Transmission Network Services
• Network Connections
• Oil Testing and Laboratory Services
• Asset Management
• Operations and Maintenance Support
• Property Search

Quantifiable outcome

• Dynamic Line Ratings can increase powerline transfer capacity by up to 40% under favorable wind conditions
• +2 more outcomes

Named customers3 records

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature1 record

Partnerships

Six partnerships are on record, tiered core.

• Hitachi EnergycoreStrategic or Co-development Partner · 1 April 2026Partnership between Powerlink and Hitachi Energy to supply and install four synchronous condensers in Central Queensland. The agreement signed in March/April 2026 covers installation at Calliope River Substation (two units), Nebo Substation, and Stanwell Substation by 2029. Hitachi Energy provides advanced power quality solutions to support grid stability, maintain system strength requirements, and voltage stability as Queensland transitions to renewable energy.
• Quinbrook Infrastructure PartnerscoreStrategic or Co-development Partner · 1 January 2026Quinbrook operates large battery energy storage systems connected to Powerlink's network, including the Supernode BESS project at South Pine substation. Powerlink connected the second stage of Quinbrook's Supernode battery at Brendale, with connection agreements for third stage expansion being executed. The projects deliver grid stability and renewable energy firming capabilities.
• Iberdrola AustraliacoreStrategic or Co-development PartnerIberdrola Australia's Broadsound battery is undergoing testing and commissioning with Powerlink's transmission network connection.
• Hanwha Energy AustraliacoreStrategic or Co-development PartnerPowerlink Queensland provided grid connection approval for Hanwha Energy Australia's Tangkam Battery Energy Storage System. The 100MW/200MWh BESS project received grid connection tick enabling advancement toward construction.
• AGL EnergycoreStrategic or Co-development PartnerPowerlink Queensland is seeking federal approval for infrastructure linking AGL Energy's 2GWh Tuckeroo battery energy storage system to the Australian grid, including constructing a transmission line in Queensland.
• CopperStringcoreStrategic or Co-development PartnerPowerlink acquired the CopperString transmission link project from CuString Pty Ltd in 2023. The 330kV overhead line project connects Queensland's mineral and renewable regions to the National Electricity Market near Townsville, with first section (Eastern Link) targeted for completion by 2032.

Scale indicators5 records

Recent moves7 records

Expansion highlights6 records

Direct peers

• TransGrid: TransGrid is the transmission network operator for New South Wales and the Australian Capital Territory, operating a high-voltage network under the same National Electricity Rules framework. It is Powerlink's closest Australian TSO peer with a comparable regulated revenue model, RAB scale, and renewable integration mandate.
• AusNet Services: AusNet owns and operates Victoria's electricity transmission network under the same National Electricity Rules as Powerlink. Comparable as a regulated TSO serving a similar population base, with parallel challenges around renewables integration and AER revenue determinations.
• ElectraNet: ElectraNet is the transmission network operator for South Australia, operating under the same Australian regulatory framework. It is directly comparable to Powerlink as a state-based regulated monopoly TSO facing similar renewable energy transition challenges with high wind and solar penetration.
• TasNetworks: TasNetworks is the transmission network operator for Tasmania, also a government-owned TSO under the National Electricity Rules. It is comparable as a state-level regulated monopoly TSO; notably, Powerlink's incoming CEO Dr Mc Goldrick currently leads TasNetworks.

Regional players

• Transpower New Zealand: Transpower is the state-owned transmission system operator for New Zealand's National Grid, operating under a comparable regulated asset base framework. Comparable as a government-owned TSO with similar system operator responsibilities and renewable integration challenges, though operating under different regulatory jurisdiction.

Others

• APA Group: APA Group is Australia's largest natural gas infrastructure business but also has electricity transmission interests. While predominantly gas-focused, APA represents comparable Australian energy infrastructure investment with regulated/contracted revenues and large-scale network asset exposure relevant to investor benchmarking.
• National Grid: National Grid operates high-voltage electricity transmission networks in the UK and US under regulated frameworks (RIIO in the UK). Comparable as a large regulated transmission operator managing renewable integration, system stability, and 5-year regulatory cycles, though at materially larger scale and with broader geographic footprint than Powerlink.

Broad incumbents

• Hydro-Québec: Hydro-Québec is a large vertically integrated government-owned utility operating extensive transmission infrastructure in North America. Comparable as a government-owned monopoly transmission operator managing system strength, large-scale renewable integration, and regulatory revenue frameworks, though at materially larger scale than Powerlink.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• Xx.com/powerlinkqld

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles6 records

Subsidiaries1 record

Funding overview

Funding rounds2 records

Investors2 records

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 Powerlink Queensland