Industry Statistics and Trends
Market size and recent performance (2015-2030)
Industry revenue has declined at a CAGR of 0.5 % over the past five years, to reach an estimated $4.7bn in 2025.
Trends and Insights
Regulators mandate revenue and pricing to manage transmission monopolies
- The Australian Energy Regulator (AER) sets revenue allowances for distribution and transmission providers. The AER typically sets five-year revenue determinations in advance for transmission companies in all states and territories other than Western Australia. Revenue allowances are designed to give a fair return on capital investment. The Economic Regulation Authority determines revenue generation limits for transmission in Western Australia.
- Additional trends and insights available with purchase
Source: IBISWorld
Industry outlook (2025-2030)
Market size is projected to grow over the next five years.
Trends and Insights
Regulators face competing objectives, as allowing for the energy transition may inflate asset bases
- Most of the major regulatory periods are locked in for the next few years, but the operating environment is shifting for transmission network operators, which is challenging the existing regulatory priority of limiting growth in regulated asset bases to ease pressure on household electricity bills.
Biggest companies in the Electricity Transmission in Australia
| Company | Market Share (%)
2025 | Revenue ($m)
2025 |
|---|---|---|
Powerlink Queensland | 1,012.1 | |
Transgrid | 835.0 | |
AEMO | 707.8 |
To view the market share and analysis for all 8 top companies in this industry, view purchase options.
Products & Services Segmentation
Source: IBISWorld
Industry revenue is measured across several distinct product and services lines, including Electricity transmission. Electricity transmission is the largest segment of the Electricity Transmission in Australia.
Trends and Insights
Electricity transmission lets electricity flow from generators to distributors
- Electricity transmission providers transfer bulk high-voltage electricity from power generators to distribution points close to final customers. Substations transform electricity from high to low voltage at the intersection of these networks.
- More insights available in the full report
Table of Contents
About this industry
Industry definition
Industry players operate high-voltage electric power transmission systems and control electricity transmission from generating plants to distribution networks and large industrial users. These transmission systems include power lines and transformer stations.
What's included in this industry?
Products and services covered in the Electricity Transmission industry in Australia include Electricity transmission and .Companies
Companies covered in the Electricity Transmission industry in Australia include Powerlink Queensland, Transgrid and AEMO.Purchase this report to view all 8 major companies in this industry.
Related Terms
Related terms covered in the Electricity Transmission industry in Australia include transmission line, electricity distribution system, electricity transmission, australian energy regulator (aer), circuit kilometre and regulated asset base.Industry Code
ANZSIC 2620 - Electricity Transmission in Australia
Performance
Get an indication of the industry's health through historical, current and forward-looking trends in the performance indicators that make or break businesses.
Analyst insights
The switching on of Project EnergyConnect has supported industry revenue in 2024-25. The interconnector allows the free trade of electricity in the NEM between South Australi...
In this chapter (4)
- Current Performance
- Outlook
- Volatility
- Life Cycle
Key metrics
- Annual Revenue, Recent Growth, Forecast, Revenue Volatility
- Number of Employees, Recent Growth, Forecast, Employees per Business, Revenue per Employee
- Number of Businesses, Recent Growth, Forecast, Employees per Business, Revenue per Business
- Total Profit, Profit Margin, Profit per Business
Charts
- Revenue, including historical (2015-2024) and forecast (2025-2030)
- Employees, including historical (2015-2024) and forecast (2025-2030)
- Businesses, including historical (2015-2024) and forecast (2025-2030)
- Profit, including historical (2015-2025)
- Industry Volatility vs. Revenue Growth
- Industry Life Cycle
Detailed analysis
- Trends in supply, demand and current events that are driving current industry performance
- Expected trends, economic factors and ongoing events that drive the industry's outlook
- Key success factors for businesses to overcome volatility
- How contribution to GDP, industry saturation, innovation, consolidation, and technology and systems influence the industry's life cycle phase.
Products and Markets
Learn about an industry's products and services, markets and trends in international trade.
Analyst insight
Commercial energy users are increasingly opting to shift to renewable sources of generation. Many energy-intensive businesses use wind, solar and hydro to decarbonise their a...
In this chapter
- Products & Services
- Major Markets
Key metrics
- Largest market segment and value in 2025
- Product innovation level
Charts
- Products & services segmentation in 2025
- Major market segmentation in 2025
Detailed analysis
- Trends impacting the recent performance of the industry's various segments
- Innovations in the industry's product or service offering, specialization or delivery method
- Key factors that successful businesses consider in their offerings
- Buying segments and key trends influencing demand for industry products and services
Geographic Breakdown
Discover where business activity is most concentrated in an industry and the factors driving these trends to find opportunities and conduct regional benchmarking.
Analyst insights
New South Wales and Victoria are hotspots for electricity networks. This is due to their large populations and commercial activity.
In this chapter (1)
- Business Locations
Charts
- Share of revenue, establishment, wages and employment in each region
- Share of population compared to establishments in each region in 2025
Tables
- Number and share of establishments in each region in 2025
- Number and share of revenue each region accounts for in 2025
- Number and share of wages each region accounts for in 2025
- Number and share of employees in each region in 2025
Detailed analysis
- Geographic spread of the industry across Asia Pacific, and trends associated with changes in the business landscape
- Key success factors for businesses to use location to their advantage
Competitive Forces
Get data and insights on what's driving competition in an industry and the challenges industry operators and new entrants may face, with analysis built around Porter's Five Forces framework.
Analyst insights
Transmission networks hold natural monopolies, confined to particular regions. Essential electricity infrastructure connects generators to distributors, so electricity can ef...
In this chapter (4)
- Concentration
- Barriers to Entry
- Substitutes
- Buyer & Supplier Analysis
Key metrics
- Industry concentration level
- Industry competition level and trend
- Barriers to entry level and trend
- Substitutes level and trend
- Buyer power level and trend
- Supplier power level and trend
Charts
- Market share concentration among the top 4 suppliers from 2020-2025
- Supply chain including upstream supplying industries and downstream buying industries, flow chart
Detailed analysis
- Factors impacting the industry’s level of concentration, such as business distribution, new entrants, or merger and acquisition activity.
- Key success factors for businesses to manage the competitive environment of the industry.
- Challenges that potential industry entrants face such as legal, start-up costs, differentiation, labor/capital intensity and capital expenses.
- Key success factors for potential entrants to overcome barriers to entry.
- Competitive threats from potential substitutes for the industry’s own products and services.
- Key success factors for how successful businesses can compete with substitutes.
- Advantages that buyers have to keep favorable purchasing conditions.
- Advantages that suppliers have to maintain favorable selling conditions.
- Key success factors for how businesses can navigate buyer and supplier power.
Companies
Learn about the performance of the top companies in the industry.
Analyst insights
Renewable capacity investment needs transmission links, which is driving major new investments in large-scale transmission developments. However, labour shortages and supply ...
In this chapter
- Market Share Concentration
- Companies
- Company Spotlights
Charts
- Industry market share by company in 2021 through 2025
- Major companies in the industry, including market share, revenue, profit and profit margin in 2025
- Overview of Powerlink Queensland's performance by revenue, market share and profit margin from 2019 through 2025
- Overview of Transgrid's performance by revenue, market share and profit margin from 2019 through 2025
- Overview of AEMO's performance by revenue, market share and profit margin from 2019 through 2025
- Overview of revenue, market share and profit margin trend for 5 additional companies
Detailed analysis
- Description and key data for Powerlink Queensland, and factors influencing its performance in the industry
- Description and key data for Transgrid, and factors influencing its performance in the industry
- Description and key data for AEMO, and factors influencing its performance in the industry
- Description, key data and performance trends for 5 additional companies
External Environment
Understand the demographic, economic and regulatory factors that shape how businesses in an industry perform.
Analyst insights
The Australian Energy Regulator oversees the industry. It receives submissions from transmission operators and sets revenue allowances to ensure a fair return on capital inve...
In this chapter
- External Drivers
- Regulation & Policy
- Assistance
Key metrics
- Regulation & policy level and trend
- Assistance level and trend
Charts
- Regulation & Policy historical data and forecast (2015-2030)
- Assistance historical data and forecast (2015-2030)
Detailed analysis
- Demographic and macroeconomic factors influencing the industry, including Regulation & Policy and Assistance
- Major types of regulations, regulatory bodies, industry standards or specific regulations impacting requirements for industry operators
- Key governmental and non-governmental groups or policies that may provide some relief for industry operators.
Financial Benchmarks
View average costs for industry operators and compare financial data against an industry's financial benchmarks over time.
Analyst insights
Maintenance costs and related labour expenses have the largest impact on profit margins outside of depreciation costs. Growing maintenance requirements have weighed on margin...
In this chapter
- Cost Structure
- Financial Ratios
- Key Ratios
Key metrics
- Profit margin, and how it compares to the sector-wide margin
- Average wages, and how it compares to the sector-wide average wage
- Largest cost component as a percentage of revenue
- Industry average ratios for days' receivables, industry coverage and debt-to-net-worth ratio
Charts
- Average industry operating costs as a share of revenue, including purchases, wages, depreciation, utilities, rent, other costs and profit in 2025
- Average sector operating costs as a share of revenue, including purchases, wages, depreciation, utilities, rent, other costs and profit in 2025
- Investment vs. share of economy
Data tables
- Cash Flow & Debt Service Ratios (2015-2030)
- Revenue per Employee (2015-2030)
- Revenue per Enterprise (2015-2030)
- Employees per Establishment (2015-2030)
- Employees per Enterprise (2015-2030)
- Average Wage (2015-2030)
- Wages/Revenue (2015-2030)
- Establishments per Enterprise (2015-2030)
- IVA/Revenue (2015-2030)
- Imports/Demand (2015-2030)
- Exports/Revenue (2015-2030)
Detailed analysis
- Trends in the cost component for industry operators and their impact on industry costs and profitability
Key Statistics
Industry Data
Data Tables
Including values and annual change:
- Revenue (2015-2030)
- IVA (2015-2030)
- Establishments (2015-2030)
- Enterprises (2015-2030)
- Employment (2015-2030)
- Exports (2015-2030)
- Imports (2015-2030)
- Wages (2015-2030)
Top Questions Answered
Unlock comprehensive answers and precise data upon purchase. View purchase options.
What is the market size of the Electricity Transmission industry in Australia in 2025?
The market size of the Electricity Transmission industry in Australia is $4.7bn in 2025.
How many businesses are there in the Electricity Transmission industry in Australia in 2025?
There are 9 businesses in the Electricity Transmission industry in Australia, which has declined at a CAGR of 2.1 % between 2020 and 2025.
How may import tariffs affect the Electricity Transmission industry in Australia?
The Electricity Transmission industry in Australia is unlikely to be materially impacted by import tariffs with imports accounting for a low share of industry revenue.
How may export tariffs affect the Electricity Transmission industry in Australia?
The Electricity Transmission industry in Australia is unlikely to be materially impacted by export tariffs with exports accounting for a low share of industry revenue.
Has the Electricity Transmission industry in Australia grown or declined over the past 5 years?
The market size of the Electricity Transmission industry in Australia has been declining at a CAGR of 0.5 % between 2020 and 2025.
What is the forecast growth of the Electricity Transmission industry in Australia over the next 5 years?
Over the next five years, the Electricity Transmission industry in Australia is expected to grow.
What are the biggest companies in the Electricity Transmission industry in Australia?
The biggest companies operating in the Electricity Transmission industry in Australia are Powerlink Queensland, Transgrid and AEMO
What does the Electricity Transmission industry in Australia include?
Electricity transmission and are part of the Electricity Transmission industry in Australia.
Which companies have the highest market share in the Electricity Transmission industry in Australia?
The company holding the most market share in the Electricity Transmission industry in Australia is Powerlink Queensland.
How competitive is the Electricity Transmission industry in Australia?
The level of competition is very low and steady in the Electricity Transmission industry in Australia.
Methodology
How are IBISWorld reports created?
IBISWorld has been a leading provider of trusted industry research for over 50 years to the most successful companies worldwide. With offices in Australia, the United States, the United Kingdom, Germany and China, we are proud to have local teams of analysts that conduct research, data analysis and forecasting to produce data-driven industry reports.
Our analysts start with official, verified and publicly available sources of data to build the most accurate picture of each industry. Analysts then leverage their expertise and knowledge of the local markets to synthesize trends into digestible content for IBISWorld readers. Finally, each report is reviewed by one of IBISWorld’s editors, who provide quality assurance to ensure accuracy and readability.
IBISWorld relies on human-verified data and human-written analysis to compile each standard industry report. We do not use generative AI tools to write insights, although members can choose to leverage AI-based tools within the platform to generate additional analysis formats.
What data sources do IBISWorld analysts use?
Each industry report incorporates data and research from government databases, industry-specific sources, industry contacts, and our own proprietary database of statistics and analysis to provide balanced, independent and accurate insights.
Key data sources in Australia include:
- Australian Bureau of Statistics
- Australian Taxation Office
- Australian Securities & Investments Commission
Analysts also use industry specific sources to complement catch-all sources, although their perspective may focus on a particular organization or representative body, rather than a clear overview of all industry operations. However, when balanced against other perspectives, industry-specific sources provide insights into industry trends.
These sources include:
- Industry and trade associations
- Industry federations or regulators
- Major industry players annual or quarterly filings
Finally, IBISWorld’s global data scientists maintain a proprietary database of macroeconomic and demand drivers, which our analysts use to help inform industry data and trends. They also maintain a database of statistics and analysis on thousands of industries, which has been built over our more than 50-year history and offers comprehensive insights into long-term trends.
How does IBISWorld forecast its data?
IBISWorld’s analysts and data scientists use the sources above to create forecasts for our proprietary datasets and industry statistics. Depending on the dataset, they may use regression analysis, multivariate analysis, time-series analysis or exponential smoothing techniques to project future data for the industry or driver. Additionally, analysts will leverage their local knowledge of industry operating and regulatory conditions to impart their best judgment on the forecast model.
IBISWorld prides itself on being a trusted, independent source of data, with over 50 years of experience building and maintaining rich datasets and forecasting tools. We are proud to be the keystone source of industry information for thousands of companies across the world.
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