In 2025, Iron Mountain disclosed key data related to its energy management practices, providing transparency into its operational energy use in line with recognized sustainability reporting frameworks.
Iron Mountain disclosed progress toward renewable energy adoption, highlighting the share of total energy sourced from renewable versus non-renewable sources.
| Metric (GJ) | 2025 | 2024 | 2023 | 2022-2019 |
|---|---|---|---|---|
Total Energy Consumption | 4,909,482a | 4,397,681a | 4,108,111a | |
Non-Renewable Energy Consumption | 2,361,031a | 2,286,029a | 2,405,563a | |
Renewable Energy Consumption | 2,548,451a | 2,111,652a | 1,702,548a | |
Renewable Energy Production | 83,153a | N/A | N/A |
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In 2025, Iron Mountain consumed a total of 4.91 million Gigajoules of energy across its operations. Of this total, 51.91% was sourced from renewable energy, either derived from natural resources like biofuels, biomass, or biogas, or generated using renewable technologies such as solar or wind power. The remaining 48.09% was classified as non-renewable energy, coming from fossil-based fuels such as coal, natural gas, or crude oil, or from non-renewable generation technologies like nuclear power.a
In 2025, Iron Mountain consumed a total of 4.91 million Gigajoules of energy, of which 51.91% was derived from renewable sources, including biofuels, biomass, biogas, solar, and wind power.a
This moderate level of renewable energy adoption indicates that Iron Mountain is transitioning toward cleaner energy sources, though a significant share of its energy mix still relies on non-renewable inputs.
Since 2022, Iron Mountain's total energy consumption increased by 13.12%, including a 11.64% increase in 2025, reflecting a sustained rise in overall energy demand.a
Over the same period, the share of renewable energy in Iron Mountain's consumption increased by 35.96%, including a 8.1% increase in 2025, showing consistent progress in clean energy adoption.a
Overall, Iron Mountain has seen rising energy demand, but has also made strong and consistent progress in increasing its reliance on renewable energy—mitigating the environmental impact of its growing consumption.