Replacing LED lighting helps hospitals save energy

The frequent occurrence of natural disasters caused by climate change has an impact on human life around the world. Governments around the world have actively implemented policies to reduce emissions. The Hong Kong government has also made great efforts to set emission reduction targets, hoping to help reduce the impact of extreme climates together. Among all kinds of buildings in the city, hospitals are one of the most expensive types of electricity consumption. In addition to the use of air conditioners, the electricity consumption of electric lights should not be underestimated. A medium-sized hospital alone has more than 10,000 units. electric light.

To save energy, hospitals in Hong Kong have been replacing traditional fluorescent tube lamps with LED (Light Emitting Diode) light tubes more than a decade ago. LEDs are solid-state semiconductor devices that convert electrical energy into visible light with high energy efficiency. However, it turned out that it was not easy to replace all the lights, and to cooperate with the operation of the hospital, there were many unexpected problems to be overcome.

The Paris Agreement to tackle climate change came into effect in November 2016. As an advanced international city, the Hong Kong government has cooperated with the agreement and proposed to reduce carbon intensity by 65% ??to 70% from the level of 2005 by 2030. In 2021, the "Hong Kong Climate Action Blueprint 2050" was released, and four carbon reduction strategies were set out, covering "net-zero power generation", "energy saving and green building", "green transportation" and "national waste reduction", and further strive to achieve the goal of reducing carbon emissions by 2035. halve carbon emissions from 2005 levels by 2017.

In terms of reducing the overall electricity consumption of buildings, the goal is to reduce electricity consumption in commercial buildings by 30 to 40% compared with 2015, and reduce electricity consumption in residential buildings by 20 to 30% by 2050; and by 2035 half of the above goals can be achieved. In order to strengthen the responsibility of Hong Kong enterprises to the social environment, the authorities have required all listed companies to comply with the Environmental, Social and Governance (ESG) Reporting Guidelines for reporting several years ago, and encourage enterprises to take practical actions to address environmental issues; by 2019 Listed companies should be more transparent and disclose the performance of more key environmental indicators.