Inaugurating green and digital hospitals: enabling energy savings through ICT

Aging infrastructure, energy-intensive equipment and 24/7 operation make hospitals one of the most energy-intensive public buildings. With a mission to save energy and transform the healthcare sector, the Indian government has sought to introduce green and digital hospitals, starting from its first All India Institute of Medical Sciences (AIIMS) hospital, New Delhi , where a growing base of patients and power demands were driving high energy consumption and carbon emissions. Hitachi India Pvt. ltd. The Infrastructure Systems Division partnered with AIIMS Hospital and used its mastery of information and communication technology (ICT) to implement a host of energy-saving measures, resulting in 30% energy savings and the successful realization of an ICT-based green and digital hospital at AIIMS.

Implementation of ICT and other energy saving measures

Ushering in social innovation in the healthcare industry, Hitachi’s infrastructure systems division leveraged its OT X computing expertise to implement ICT and other energy-saving measures that could optimize up to 30% reduction in energy consumption. The team upgraded the electrical infrastructure at AIIMS to make the hospital both environmentally friendly and patient friendly.

  1. Installation of a new 693 kilowatt peak (KWp) rooftop solar power system to bring clean solar power to AIIMS.
  2. Installation of a new hybrid power factor correction (HPFC) system to ensure less harmonics and a balanced load in the electrical system, thus significantly improving the availability and reliability of medical equipment such as MRI machines and of radiography.
  3. Upgrading the hospital’s heating, ventilation, and air conditioning (HVAC) system with state-of-the-art, energy-efficient equipment.
  4. Replacement of 33,000 conventional lamps with LED lamps for a better level of lux and energy savings.
  5. Deployment of an ICT-based energy management system (EMS) to integrate different systems and enable real-time energy optimization.

The initiatives ensured AIIMS’ successful transition to a green and digital hospital, facilitating better management of energy resources, better indoor air quality, free solar energy and improved diagnostic capabilities to deliver better treatment. to patients throughout the year.

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Propelling good for a healthier society

The AIIMS Green and Digital Hospital Project has set a benchmark for other hospitals and public buildings to adopt sustainable energy practices to build a clean environment and a healthy society that improves the quality of life for every citizen. By drastically reducing the hospital’s carbon footprint through energy conservation and renewable energy generation, Hitachi has enhanced social, environmental and economic values ​​and contributed significantly to the achievement of Indian government policies. on green hospital, digital India and e-healthcare to power a sustainable society. .


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