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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
+21 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's latest reported emissions data shows a total of 371,000 kg CO2e for 2025. This includes Scope 2 emissions of 371,000 kg CO2e, of which approximately 158,000 kg CO2e were location-based. Scope 3 emissions for 2025 amounted to approximately 143,249,000 kg CO2e, including 143,044,000 kg CO2e from investments, 62,000 kg CO2e from business travel, 104,000 kg CO2e from employee commute, 44,000 kg CO2e from purchased goods and services, and 3,000 kg CO2e from waste generated in operations.
For 2024, Hannon Armstrong reported Scope 1 and Scope 2 emissions of 0 kg CO2e for each category. In 2023, Scope 1 emissions were reported as 0 kg CO2e and Scope 2 location-based emissions were 154,000 kg CO2e.
In 2022, Hannon Armstrong reported total emissions of approximately 42,915,000 kg CO2e. This figure included 0 kg CO2e for Scope 1 emissions and 0 kg CO2e for Scope 2 emissions. Scope 3 emissions in 2022 were approximately 42,604,000 kg CO2e, primarily from investments.
Looking back to 2021, Hannon Armstrong's Scope 2 location-based emissions were 61,000 kg CO2e. Scope 3 emissions for 2021 included 41,000 kg CO2e from business travel, 63,000 kg CO2e from employee commute, 12,000 kg CO2e from purchased goods and services, and 1,000 kg CO2e from waste generated in operations.
For 2020, Hannon Armstrong reported Scope 2 market-based emissions of 169,000 kg CO2e and location-based emissions of 66,000 kg CO2e. Scope 3 emissions in 2020 included 70,000 kg CO2e from business travel, 32,000 kg CO2e from employee commute, and 7,000 kg CO2e from purchased goods and services.
In 2019, Scope 1 and Scope 2 emissions were reported as 0 kg CO2e for each category. For 2018, Scope 2 location-based emissions were 71,000 kg CO2e. Scope 3 emissions in 2018 included 183,000 kg CO2e from business travel, 150,000 kg CO2e from employee commute, 30,000 kg CO2e from purchased goods and services, and 2,000 kg CO2e from waste generated in operations.
Hannon Armstrong has set ambitious climate commitments, aiming to reduce its Scope 1 and Scope 2 emissions to near zero by the middle of this decade (between 2023 and 2025). The company has also committed to Science Based Targets (SBTi) for all scopes, with near-term targets consistent with a 1.5°C trajectory by 2030. Hannon Armstrong's portfolio targets cover 81.7% of its total investment and lending activities as of December 2019. The company has also made a long-term net-zero commitment.
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Hannon Armstrong’s Climate Goals (2030 & 2050)
2025
Near-zero scope 1 & 2
Target to achieve near-zero emissions for direct operations and purchased energy
On track94%
2030
62% reduction in total GHG
Vs 2019 baseline. Validated by SBTi. Includes full supply chain.
At risk48%
2040
50% reduction in Scope 3 intensity
Across purchased goods and services and logistics.
Behind target22%
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
See details
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 Armstrong5 months ago
46
Frequently asked questions
Common questions about Hannon Armstrong’s sustainability data and climate commitments
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