Energy Usage Assessment and Energy Savings Estimation in a Radiology Department in Italy

Andrea Roletto, Anna Savio, Andrea Masperi, Giuseppe Roberto Bonfitto, Fabio Pala, Carmelo Migliorisi and Simone Zanoni ()
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Andrea Roletto: Department of Mechanical and Industrial Engineering, Università degli Studi di Brescia, Via Branze 38, 25123 Brescia, Italy
Anna Savio: Department of Mechanical and Industrial Engineering, Università degli Studi di Brescia, Via Branze 38, 25123 Brescia, Italy
Andrea Masperi: Department of Biomedical Sciences for Health, Università degli Studi di Milano, Via Mangiagalli 31, 20133 Milan, Italy
Giuseppe Roberto Bonfitto: Department of Information Engineering, Università degli Studi di Brescia, Via Branze 38, 25123 Brescia, Italy
Fabio Pala: Department of Radiology, ASST Ovest Milanese Legnano Hospital, Via Papa Giovanni Paolo II, Legnano, 20025 Milan, Italy
Carmelo Migliorisi: Department of Radiology, ASST Ovest Milanese Legnano Hospital, Via Papa Giovanni Paolo II, Legnano, 20025 Milan, Italy
Simone Zanoni: Department of Civil, Environmental, Architectural Engineering and Mathematics, Università degli Studi di Brescia, Via Branze 43, 25123 Brescia, Italy

Energies, 2025, vol. 18, issue 8, 1-15

Abstract: Growing awareness of the environmental impact of radiology departments highlights the importance of adopting mitigation strategies to increase the energy sustainability of diagnostic activities. This study aims to estimate the energy usage of imaging activities in a radiology department to plan and evaluate different energy waste mitigation strategies. A retrospective analysis of the energy usage of imaging equipment, including computed tomography (CT), magnetic resonance imaging (MRI), X-ray (XR), and workstations of radiology department in Italy, was carried out. The energy used was estimated based on equivalent mean power demand values in kWh. From this analysis, mitigation strategies were planned to reduce energy waste. The daily energy usage of the department is 877.5 kWh. The cone beam CT scanner is the imaging device with the lowest daily energy usage (6.6 kWh). Modalities with the highest mean daily energy usage are XR (18.4 kWh), CT (58.3 kWh), and MRI (214.6 kWh). The proposed mitigation strategies led to a reduction in energy waste quantified between 16.6% and 80.4%. The analysis of the energy usage of all imaging devices and workstations makes it possible to assess the energy waste of a radiology department. Understanding these elements is essential to develop strategies to reduce energy waste in radiology.

Keywords: diagnostic imaging; green radiology; environmental sustainability; energy consumption; climate change (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2025
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