United Microelectronics Corp
United Microelectronics's GHG Emissions Data Preview
In 2023, United Microelectronics 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).
United Microelectronics has also provided a category-level breakdown for 11 out of 15 Scope 3 emissions categories, offering greater transparency into its value chain emissions.
| Metric (tCO2e) | 2023 | 2022 | 2021 | 2020 - 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 | ||||
Unspecified Calculation Method | 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.  b | Copy restricted. Please purchase to unlock this data.  b | 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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aVerified Sources Behind United Microelectronics’s Greenhouse Gas (GHG) Emissions Data
Every figure on this dashboard has a transparent audit trail. With Tracenable, each data point is traceable back to its original source, viewable directly inside our platform. Explore United Microelectronics’s data sources below and access millions more through our Disclosure Search.
Insights into United Microelectronics's Operational Emissions
In 2023, the total operational greenhouse gas (GHG) emissions of United Microelectronics amounted to 2,145,763 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 2022, the total operational greenhouse gas (GHG) emissions of United Microelectronics decreased by 18.22%, showing that the company has made progress in taking action to reduce the climate impact of its operations. a
United Microelectronics's Scope 1 Emissions Over Time
- Total Scope 1
- Year-over-Year Change
What are United Microelectronics's Scope 1 emissions?
In 2023, the total Scope 1 emissions of United Microelectronics were 509,555 metric tons of CO₂ equivalent (tCO₂e). a
Has United Microelectronics reduced its Scope 1 emissions over time?
Since 2019, United Microelectronics's Scope 1 emissions have decreased by 46.5%, reflecting a declining long-term trend in Scope 1 emissions over time. a b
Compared to the previous year (2022), United Microelectronics's Scope 1 emissions decreased by 41.16%, highlighting the company's efforts to lower direct emissions from assets it owns or controls. a
What are United Microelectronics's Scope 2 emissions?
In 2023, United Microelectronics reported Scope 2 greenhouse gas (GHG) emissions of 1,636,208 tCO₂e without specifying the calculation method. a
Has United Microelectronics reduced its Scope 2 emissions over time?
Since 2019, United Microelectronics's Scope 2 greenhouse gas (GHG) emissions ( Unspecified Calculation Method) have remained relatively stable, indicating that United Microelectronics 's emissions have plateaued with no significant change in its energy consumption footprint. a b
Compared to the previous year (2022), United Microelectronics's Scope 2 emissions (Unspecified Calculation Method) have remained relatively stable, indicating that United Microelectronics 's emissions have plateaued with no significant change in its energy consumption footprint. a
What methodology does United Microelectronics use for Scope 2 reporting?
In 2023, United Microelectronics reported its Scope 2 emissions using an unspecified methodology. a
United Microelectronics's Scope 2 Emissions Over Time
- Total Scope 2 (Unspecified Calculation Method)
Insights into United Microelectronics's Value Chain Emissions
In 2023, United Microelectronics reported 1,893,167 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 2023 disclosure of United Microelectronics includes a breakdown across 11 of the 15 Scope 3 categories defined by the GHG Protocol, up from 0 in 2022, reflecting improved emissions accounting practices and greater transparency across the company's value chain a
United Microelectronics's Scope 3 Emissions Over Time
- Total Scope 3
- Year-over-Year Change
What are United Microelectronics's Scope 3 emissions?
In 2023, United Microelectronics reported total Scope 3 emissions of 1,893,167 metric tons of CO₂ equivalent (tCO₂e). a
Approximately 77.79% of these emissions originated from upstream activities such as purchased goods and capital goods, while 22.21% came from downstream activities like product use, distribution, and end-of-life treatment. a
Has United Microelectronics reduced its Scope 3 emissions over time?
Since 2019, United Microelectronics's Scope 3 emissions have remained relatively stable, indicating that United Microelectronics 's emissions have plateaued with no significant change in its value chain footprint. a b
Compared to the previous year (2022), United Microelectronics's Scope 3 emissions remained relatively stable, indicating that United Microelectronics 's emissions have plateaued with no significant change in its value chain footprint. a b
What categories of Scope 3 emissions does United Microelectronics disclose?
In 2023, United Microelectronics reported emissions for 11 out of the 15 Scope 3 categories defined by the GHG Protocol. a
This reflects a high level of granularity and transparency in the company's emissions reporting.
What are the main sources of United Microelectronics's Scope 3 emissions?
In 2023, the largest contributors to United Microelectronics's Scope 3 emissions were: a
- Capital Goods (Cat. 2): 529,617 tCO₂e (27.98%)
- Investments (Cat. 15): 411,892 tCO₂e (21.76%)
- Purchased Goods and Services (Cat. 1): 348,431 tCO₂e (18.4%)
United Microelectronics's Scope 3 Emissions by Categories
Insights into United Microelectronics’s GHG Emissions Intensity Compared to Industry Peers
In 2023, United Microelectronics reported Scope 1 greenhouse gas (GHG) emissions of 509,555 tCO₂e and total revenues of USD 7,254 millions. This translates into an emissions intensity of 70.24 tCO₂e per millions USD. a
United Microelectronics's Scope 1 Emissions Intensity Compared to Peers
How does United Microelectronics's GHG emissions intensity compare to its peers?
In 2023, United Microelectronics reported a Scope 1 emissions intensity of 70.24 tCO₂e per millions USD. Compared to the peer group median of 3.96 , this places the company above its industry benchmark, indicating it is less carbon-efficient than most competitors. a
Where does United Microelectronics rank on GHG emissions intensity within its industry?
In 2023, United Microelectronics ranked 22 out of 23 companies in its industry peer group, based on Scope 1 emissions intensity (measured in tCO₂e per millions USD). a
This places United Microelectronics among the least efficient performers, with one of the highest emissions intensities in its sector. a
Insights into United Microelectronics's Total Carbon Footprint
In 2023, United Microelectronics reported a total carbon footprint of 4,038,930 metric tons of CO₂ equivalent (tCO₂e) across Scope 1, Scope 2, and Scope 3 emissions. This represents a 13.85% decrease compared to 2022, indicating progress in reducing its overall greenhouse gas output. a b
The largest contributor to United Microelectronics's total carbon footprint was Scope 3 emissions, accounting for 46.87% of the company's total carbon footprint, followed by Scope 2 emissions at 40.51%. a