In 2024, Hydro One 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) and Scope 2 (indirect emissions from purchased energy).
However, Hydro One has not published a category-level breakdown of its Scope 3 emissions, limiting visibility into specific value chain sources.
| Metric (tCO2e) | 2024 | 2023 | 2022 | 2021-2019 |
|---|---|---|---|---|
Total Scope 1 | 98,914a | 129,994a | 149,995a | |
Total Scope 2 | ||||
Unspecified Calculation Method | 320,231a | 209,292b | 202,576b | |
Total Scope 3 | N/A | N/A | N/A | |
Total Scope 1 Revenue Intensity (tCO2e/$M) | 16.7713a | 21.9399a | 26.094a |
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In 2024, the total operational greenhouse gas (GHG) emissions of Hydro One amounted to 419,145 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 Hydro One increased by 23.54%, suggesting that the company faced challenges in reducing its emissions from its core operations.ab
In 2024, the total Scope 1 emissions of Hydro One were 98,914 metric tons of CO₂ equivalent (tCO₂e).a
Since 2019, Hydro One's Scope 1 emissions have decreased by 39.61%, reflecting a declining long-term trend in Scope 1 emissions over time.ac
Compared to the previous year (2023), Hydro One's Scope 1 emissions decreased by 23.91%, highlighting the company's efforts to lower direct emissions from assets it owns or controls.a
In 2024, Hydro One reported Scope 2 greenhouse gas (GHG) emissions of 320,231 tCO₂e without specifying the calculation method.a
Since 2019, Hydro One's Scope 2 greenhouse gas (GHG) emissions (Unspecified Calculation Method) have increased by 97.97%, reflecting a rising long-term trend in Scope 2 emissions over time.ac
Compared to the previous year (2023), Hydro One's Scope 2 emissions (Unspecified Calculation Method) rose by 53.01% in 2024, suggesting that the company faced challenges in reducing emissions from purchased electricity and energyab
In 2024, Hydro One reported its Scope 2 emissions using an unspecified methodology.a
In 2024, Hydro One reported Scope 1 greenhouse gas (GHG) emissions of 98,914 tCO₂e and total revenues of USD 5,898 millions. This translates into an emissions intensity of 16.77 tCO₂e per millions USD.a
In 2024, Hydro One reported a Scope 1 emissions intensity of 16.77 tCO₂e per millions USD. Compared to the peer group median of 974.48, this places the company below its industry benchmark, indicating it is more carbon-efficient than most competitors.a
In 2024, Hydro One ranked 6 out of 24 companies in its industry peer group, based on Scope 1 emissions intensity (measured in tCO₂e per millions USD).a
Hydro One is therefore positioned in the mid-range of its industry, neither a clear leader nor a laggard in carbon efficiency.a