Optus, officially known as Singtel Optus Pty Limited, is a leading player in the post and telecommunication services industry, headquartered in the United States. Founded in 1992, the company has established a strong presence in Australia, providing a wide range of services including mobile, broadband, and fixed-line telecommunications.
Optus is renowned for its innovative approach to connectivity, offering unique products such as its 5G network and comprehensive digital solutions tailored for both consumers and businesses. With a commitment to enhancing customer experience, Optus has achieved significant milestones, including being one of the first providers to launch 5G services in Australia.
As a subsidiary of Singapore Telecommunications Limited (Singtel), Optus holds a prominent market position, consistently recognised for its quality service and customer satisfaction.
+43 vs industry average
Optus’s score of 87 is higher than 89% of the industry. This can give you a sense of how well the company is doing compared to its peers.
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Industry Intensity
Post and Telecommunications Services is among the least carbon-intensive industries
Industry performance
The Post and Telecommunications Services industry has reduced its overall emissions by 39% since 2018
Emissions trajectory 2020 – 2027
Reported emissions
Scope 3 accounts for ••• of total emissions.
Optus's reported carbon emissions
Optus, a company in the post and telecommunication services industry, reported its carbon emissions for the fiscal year 2024. In this period, Optus's total carbon emissions amounted to approximately 1.15 billion kg CO2e. This figure is a sum of Scope 1, Scope 2, and Scope 3 emissions.
Breaking down the emissions for FY2024:
- Scope 1 emissions: Approximately 1.74 million kg CO2e.
- Scope 2 emissions: Approximately 308.33 million kg CO2e (market-based).
- Scope 3 emissions: Approximately 808.33 million kg CO2e.
Optus's climate commitments are cascaded from its parent company, Singtel Optus Pty Limited. The Singtel Group has set several reduction targets. Most notably, they aim to achieve net zero greenhouse gas (GHG) emissions by 2045, a target that was brought forward from 2050.
For near-term goals, the Singtel Group is working to:
- Reduce absolute Scope 1 and Scope 2 GHG emissions by 55% by FY30, using FY23 as a base year.
- Reduce Scope 3 emissions by 40% across operations and supply chain between FY23 and FY30.
In terms of progress, the reduction target of 25% for absolute Scope 1 & 2 emissions between 2020 and 2025 has been reported as not on track for the two-year period leading up to 2023. However, the company is reported as on track for the near-term target to reduce Scope 1 and Scope 2 emissions by 55% by FY30 from an FY23 base year.
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Optus’s Climate Goals (2030 & 2050)
4 goals2030
55% reduction in Scope 2
The Singtel Group has also committed to the following near-term targets: Reduce absolute Scope 1 and Scope 2 GHG emissions by an additional…
2030
62% reduction in total GHG
Vs 2019 baseline. Validated by SBTi. Includes full supply chain.
2040
50% reduction in Scope 3 intensity
Across purchased goods and services and logistics.
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Scope 3 top emissions categories
10 of 15 categories disclosedSee all scope 3 categories
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Climate initiatives

Science Based Targets Initiative
Inherited from Singapore Telecommunications Limited
Carbon Disclosure Project
Inherited from Singapore Telecommunications LimitedThe Climate Pledge
UN Global Compact Climate Champions initiative
Inherited from Singapore Telecommunications LimitedRE 100
Climate Action 100
Emissions comparison with industry peers
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