- Performance not meeting customer expectations
- Aging assets and impact of climate change on wastewater service
- Skill challenges in workforce
- High pollution incidents due to heavy rainfall and high groundwater levels
- Sewer flooding in London
Thames Water Utilities Limited
Greenhouse gas emissions & sustainability report data
In its 2023-04 to 2024-03 reporting, Thames Water Utilities Limited disclosed greenhouse gas emissions of 350.4 ktCO2e (market). By scope: Scope 1: 224.7 ktCO2e; Scope 2: 187.6 ktCO2e (Location); Scope 3: 173.2 ktCO2e (Location). Figures are as stated in the company's own report and may use different boundaries, units or methods (for example market-based vs location-based Scope 2), so compare with care.
GHG Emissions
350.4 ktCO2e (market)
2023-04 to 2024-03
Renewable Energy
27.3% of total energy consumption
of total energy
Waste
8.9 tonnes of plastic avoided
2023-04 to 2024-03
Energy Use
1.3K GWh
2023-04 to 2024-03
📊 Emissions by Scope (2023-04 to 2024-03)
| Scope | What it covers | Reported value |
|---|---|---|
| Scope 1 | Direct emissions from sources the company owns or controls (fuel combustion, company vehicles, process and fugitive emissions). | 224.7 ktCO2e |
| Scope 2 | Indirect emissions from purchased electricity, steam, heat and cooling. | 187.6 ktCO2e (Location) |
| Scope 3 | Other indirect emissions across the value chain (purchased goods, business travel, use of sold products, etc.). | 173.2 ktCO2e (Location) |
New to scopes? Read Scope 1, 2 and 3 emissions explained and market-based vs location-based Scope 2.
📈 Emissions by Report Period
| Report period | Headline emissions figure reported |
|---|---|
| 2023-04 to 2024-03 | 350.4 ktCO2e (market) |
| 2022-23 | 321.9 kTCO2e |
| 2021-22 | 269.8 kTCO2e |
| 2020-21 | 268.3 ktCO2e |
| 2019-20 | 257.9 kTCO2e |
| 2018-04 to 2019-03 | 275.7 ktCO2e |
Each row is the headline figure extracted from a different report; scope coverage and methodology can change between years.
✅ Reported Environmental Achievements
- Reduced fossil fuel use by 6%
- Generated 284 GWh of renewable electricity
- Consumed 1260.4 GWh renewable electricity
- Avoided 8.9 tonnes of plastic waste and 20.7 tonnes of CO2e emissions through traffic cone recycling
- 94.7% of SSSI sites in favourable condition
- Completed construction of Tideway Tunnel
- Published updated River Health Action Plan
- Completed Mogden Gas-to-Grid plant, exporting biomethane equivalent to heating and cooking for over 4,000 homes
🎯 Climate & Sustainability Targets
🔜 Short-term
- Increase Priority Service Register to 26% of eligible population by 2025
📅 Medium-term
- Reduce future pressures on wastewater service (DWMP 2025-2050)
- Ensure sufficient water available to meet anticipated demands (WRMP 2025-2075)
🔭 Long-term
- Achieve vision for 2050 (Long-term Delivery Strategy)
🌱 ESG Focus Areas
EnvironmentSocialGovernance