Alcoa Corp
Alcoa's GHG Emissions Data Preview
In 2024, Alcoa completed a corporate carbon footprint assessment and publicly disclosed its greenhouse gas (GHG) emissions according to the GHG Protocol, covering Scope 1 (direct emissions from owned or controlled sources), Scope 2 (indirect emissions from purchased energy) and Scope 3 (indirect emissions across the value chain).
Alcoa has also provided a category-level breakdown for 8 out of 15 Scope 3 emissions categories, offering greater transparency into its value chain emissions.
| Metric (tCO2e) | 2024 | 2023 | 2022 | 2021 - 2017 |
|---|---|---|---|---|
Total Scope 1 | Copy restricted. Please purchase to unlock this data.  a | Copy restricted. Please purchase to unlock this data.  a | Copy restricted. Please purchase to unlock this data.  a | 0000000 |
Total Scope 2 | ||||
Location-Based | Copy restricted. Please purchase to unlock this data.  a | Copy restricted. Please purchase to unlock this data.  a | Copy restricted. Please purchase to unlock this data.  a | 0000000 |
Total Scope 3 | Copy restricted. Please purchase to unlock this data.  a | Copy restricted. Please purchase to unlock this data.  a | Copy restricted. Please purchase to unlock this data.  a | 0000000 |
Total Scope 1 Revenue Intensity (tCO2e/$M) | Copy restricted. Please purchase to unlock this data.  a | Copy restricted. Please purchase to unlock this data.  a | Copy restricted. Please purchase to unlock this data.  a | 0000000 |
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Verified Sources Behind Alcoa’s Greenhouse Gas (GHG) Emissions Data
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Insights into Alcoa's Operational Emissions
In 2024, the total operational greenhouse gas (GHG) emissions of Alcoa amounted to 20,010,000 metric tons of CO2 equivalent. This figure includes both direct emissions from owned or controlled sources (Scope 1) and indirect emissions from purchased energy (Scope 2). a
Compared to 2023, the total operational greenhouse gas (GHG) emissions of Alcoa decreased by 1.62%, showing that the company has made progress in taking action to reduce the climate impact of its operations. a
Alcoa's Scope 1 Emissions Over Time
- Total Scope 1
- Year-over-Year Change
What are Alcoa's Scope 1 emissions?
In 2024, the total Scope 1 emissions of Alcoa were 15,570,000 metric tons of CO₂ equivalent (tCO₂e). a
Has Alcoa reduced its Scope 1 emissions over time?
Since 2018, Alcoa's Scope 1 emissions have decreased by 11.03%, reflecting a declining long-term trend in Scope 1 emissions over time. a b
Compared to the previous year (2023), Alcoa's Scope 1 emissions decreased by 5.81%, highlighting the company's efforts to lower direct emissions from assets it owns or controls. a
What are Alcoa's Scope 2 emissions?
In 2024, Alcoa reported Scope 2 greenhouse gas (GHG) emissions of 4,440,000 tCO₂e using the location-based method. a
Has Alcoa reduced its Scope 2 emissions over time?
Since 2018, Alcoa's Scope 2 greenhouse gas (GHG) emissions (Location-Based) have decreased by 33.73%, reflecting a declining long-term trend in Scope 2 emissions over time. a b
Compared to the previous year (2023), Alcoa's Scope 2 emissions (Location-Based) rose by 16.54% in 2024, suggesting that the company faced challenges in reducing emissions from purchased electricity and energy a
What methodology does Alcoa use for Scope 2 reporting?
In 2024, Alcoa reported its Scope 2 emissions using the location-based method. a
Alcoa's Scope 2 Emissions Over Time
- Total Scope 2 Location-Based
Insights into Alcoa's Value Chain Emissions
In 2024, Alcoa reported 53,960,000 metric tons of CO₂ equivalent (tCO₂e) of Scope 3 greenhouse gas (GHG) emissions, representing indirect emissions across its upstream and downstream value chain. a
The 2024 disclosure of Alcoa includes a breakdown across 8 of the 15 Scope 3 categories defined by the GHG Protocol, matching the level of disclosure in 2023, demonstrating consistent Scope 3 emissions reporting coverage year over year. a
Alcoa's Scope 3 Emissions Over Time
- Total Scope 3
- Year-over-Year Change
What are Alcoa's Scope 3 emissions?
In 2024, Alcoa reported total Scope 3 emissions of 53,960,000 metric tons of CO₂ equivalent (tCO₂e). a
Approximately 30.04% of these emissions originated from upstream activities such as purchased goods and capital goods, while 69.96% came from downstream activities like product use, distribution, and end-of-life treatment. a
Has Alcoa reduced its Scope 3 emissions over time?
Since 2018, Alcoa's Scope 3 emissions have increased by 42.34%, reflecting a rising long-term trend in Scope 3 emissions over time. a b
Compared to the previous year (2023), Alcoa's Scope 3 emissions increased by 12.07%, suggesting that the company faced challenges in reducing emissions across its value chain. a
What categories of Scope 3 emissions does Alcoa disclose?
In 2024, Alcoa reported emissions for 8 out of the 15 Scope 3 categories defined by the GHG Protocol. a
This partial disclosure allows for some insight into the company's indirect impacts.
What are the main sources of Alcoa's Scope 3 emissions?
In 2024, the largest contributors to Alcoa's Scope 3 emissions were: a
- Processing of Sold Products (Cat. 10): 35,610,000 tCO₂e (66.04%)
- Purchased Goods and Services (Cat. 1): 10,410,000 tCO₂e (19.31%)
- Fuel- and Energy-Related Services (Cat. 3): 3,410,000 tCO₂e (6.32%)
Alcoa's Scope 3 Emissions by Categories
Insights into Alcoa's Total Carbon Footprint
In 2024, Alcoa reported a total carbon footprint of 73,970,000 metric tons of CO₂ equivalent (tCO₂e) across Scope 1, Scope 2, and Scope 3 emissions. This represents a 8% increase compared to 2023, suggesting a rise in emissions across its operations or value chain. a
The largest contributor to Alcoa's total carbon footprint was Scope 3 emissions, accounting for 72.95% of the company's total carbon footprint, followed by Scope 1 emissions at 21.05%. a