In 2026, Tesco disclosed key data related to its energy management practices, providing transparency into its operational energy use in line with recognized sustainability reporting frameworks.
Tesco disclosed progress toward renewable energy adoption, highlighting the share of total energy sourced from renewable versus non-renewable sources.
| Metric (GJ) | 2026 | 2025 | 2024 | 2023-2019 |
|---|---|---|---|---|
Total Energy Consumption | 18,795,600a | 19,512,000a | 19,839,600a | |
Non-Renewable Energy Consumption | 8,989,200a | 9,900,000a | 10,252,800a | |
Renewable Energy Consumption | 9,806,400a | 9,612,000a | 9,586,800a |
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In 2026, Tesco consumed a total of 18.8 million Gigajoules of energy across its operations. Of this total, 52.17% 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 47.83% 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 2026, Tesco consumed a total of 18.8 million Gigajoules of energy, of which 52.17% was derived from renewable sources, including biofuels, biomass, biogas, solar, and wind power.a
This moderate level of renewable energy adoption indicates that Tesco is transitioning toward cleaner energy sources, though a significant share of its energy mix still relies on non-renewable inputs.
Since 2022, Tesco's total energy consumption decreased by 16.64%, including a further 3.67% drop in 2026, highlighting a continued decline in energy use.a
Over the same period, the share of renewable energy in Tesco's consumption increased by 17.84%, including a 5.91% increase in 2026, showing consistent progress in clean energy adoption.a
Overall, Tesco has reduced its total energy consumption while steadily increasing its use of renewables, reflecting a strong commitment to reducing its energy-related environmental footprint.