WCN26-AB-7460 MODIFIABLE FACTORS AFFECTING GREENHOUSE GAS EMISSIONS IN GERMANY DIALYSIS CENTERS

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WCN26-AB-7460 MODIFIABLE FACTORS AFFECTING GREENHOUSE GAS EMISSIONS IN GERMANY DIALYSIS CENTERS

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Co-author 1

Werner Kleophas werner.kleophas@davita.com DaVita Germany Hamburg Germany -

Co-author 2

Christiane Erley christiane.erley@davita.com DaVita Germany Hamburg Germany *

Co-author 3

Partha Das Partha.Das@davita.com DaViTa International London United Kingdom -

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Introduction

Hemodialysis (HD) is an energy-, water-, and material-intensive procedure, contributing significantly to greenhouse gas (GHG) emissions. This study aimed to identify modifiable operational factors influencing the carbon footprint of HD centers in Germany.

Methods

GHG emissions were assessed in 16 DaVita Germany HD centers between 2023 and 2024. Centers were categorized according to operational and infrastructural characteristics. A web-based carbon footprint assessment tool (GreenTec Dialysis) was used to quantify emissions from materials, energy consumption, and transportation.

Results

Across all centers, the major contributors to GHG emissions were dialysis-related materials (0.85 t CO₂ eq/patient/year), energy consumption (0.78 t CO₂ eq/patient/year), and transportation (0.58 t CO₂ eq/patient/year). Centers equipped with rooftop photovoltaic systems and air–water heat pumps demonstrated significantly lower energy-related emissions—electricity: 4.61 kg/treatment vs 5.12 kg; heating: 1.08 kg/treatment vs 2.51 kg—compared with conventional facilities.

Conclusion

Several modifiable factors affecting the GHG emissions of dialysis centers were identified. The integration of renewable energy systems and the promotion of home-based dialysis modalities may substantially reduce the environmental impact of renal replacement therapy. These findings highlight practical opportunities for advancing sustainability in nephrology care.

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