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Hannon Armstrong Sustainable Infrastructure Capital, Inc., commonly known as Hannon Armstrong, is a leading player in the Other Services industry, headquartered in the United States. Founded in 1981, the company has established itself as a pioneer in sustainable infrastructure investment, focusing on energy efficiency, renewable energy, and sustainable water solutions.
With a strong presence across major operational regions in the US, Hannon Armstrong offers unique financial products and services that support the transition to a low-carbon economy. The firm is recognised for its innovative approach to financing, which includes providing capital for projects that enhance energy efficiency and reduce greenhouse gas emissions.
Notable achievements include being one of the first publicly traded companies dedicated to sustainable infrastructure, positioning Hannon Armstrong as a trusted partner in the growing green finance sector.
46
DitchCarbon score
+22 vs industry average
Hannon Armstrong’s score of 46 is higher than 69% 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
Low
Other Services has below-average carbon intensity
Industry performance
0.200
20182025
The Other Services industry has reduced its overall emissions by 37% since 2018
Emissions trajectory 2020 – 2028
202020212022202320242025202620272028
Reported emissions
Scope 1
•••kg CO₂e
Scope 2
•••kg CO₂e
Scope 3
•••kg CO₂e
Total reported
•••kg CO₂e
Scope 3 accounts for ••• of total emissions.
Hannon Armstrong's reported carbon emissions
Hannon Armstrong reported Scope 2 emissions of about 371,000 kg CO2e in 2025. Their Scope 3 emissions for the same year totalled approximately 143,253,000 kg CO2e, including investments (143,044,000 kg CO2e), employee commute (104,000 kg CO2e), business travel (62,000 kg CO2e), purchased goods and services (44,000 kg CO2e), and waste generated in operations (3,000 kg CO2e).
The company has set near-term net-zero targets to reduce Scope 1 and Scope 2 emissions to near zero by the middle of this decade (between 2023 and 2025). Hannon Armstrong is also committed to net-zero with the Science Based Targets initiative (SBTi), with near-term targets validated as consistent with a 1.5°C trajectory. Their portfolio targets cover 81.7% of their total investment and lending activities as of December 2019.
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Hannon Armstrong’s Climate Goals (2030 & 2050)
2 goals2030
100% reduction in Scope 2
Hannon Armstrong commits to reduce absolute scope 1 and 2 GHG emissions 100% by 2030 from a 2019 base year.
Insufficient data100%
2030
100% reduction in Scope 1
Hannon Armstrong commits to reduce absolute scope 1 and 2 GHG emissions 100% by 2030 from a 2019 base year.
Insufficient data100%
Showing SBTi-validated targets only. Sign up or sign in to see all disclosed climate targets.
Scope 3 top emissions categories
5 of 15 categories disclosedSee all scope 3 categories
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Climate initiatives
Science Based Targets Initiative
2030 targetSee details
Active
Carbon Disclosure Project
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Active
The Climate Pledge
See details
Not active
UN Global Compact Climate Champions initiative
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Active
RE 100
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Not active
Climate Action 100
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Not active
Emissions comparison with industry peers
View similar organisationsCompanyCountryIndustryLast updatedScoreDetails
Hannon Armstrong6 months ago
46
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Frequently asked questions
Common questions about Hannon Armstrong’s sustainability data and climate commitments
In 2025, Hannon Armstrong reported total carbon emissions of approximately 143.6 million kg CO2e. This figure encompasses Scope 2 emissions, which were around 371,000 kg CO2e, and a substantial Scope 3 footprint of nearly 143.3 million kg CO2e. The majority of these Scope 3 emissions, approximately 143 million kg CO2e, are attributed to their investments. Understanding this breakdown is crucial for assessing the company's overall environmental impact within the Other services (93) sector.
Data year: 2025
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