“sustainable Data Centers: Reducing Energy Footprints In The Digital Age” – Did you know that according to Nature news, data centers contribute around 0.3% worldwide to overall carbon emissions? Not only that, they use about 200 terawatt-hours (TWh) per year. Therefore, a sustainable data center is essential to put you on the green and energy efficient roadmap for the foreseeable future. The data center industry has shown positive change so far by choosing clear and ambitious targets to reduce environmental damage and ranking among the world’s top clean energy consumers. This is just the beginning; The mission is to encourage more and more businesses to choose sustainable data centers that run cloud platforms and colocation facilities instead of carbon-heavy ones. There is much to be gained from this path to a greener digital future as backup power for data centers still relies on carbon-intensive generators. The amount of net energy generated is on the lower side.
While we believe that businesses can overcome the barriers of technology and time in the future, the silver lining is that the planet and profitability are now on par. Sustainable solutions reduce risks and increase profit margins for enterprises paving the way for best business practices that benefit the communities in which we operate. Let’s look at the key drivers of data center sustainability to understand the current situation.
“sustainable Data Centers: Reducing Energy Footprints In The Digital Age”
A sustainable data center is a data storage, management and distribution facility where the mechanical, lighting, electrical and computer systems are designed to be energy efficient and environmentally friendly. These provide a healthy and pleasant working environment for employees. Green facilities also help strengthen links with the local community.
Data Centres Race To Be Green
We have set emission reduction targets for our global operations and data centers which we aim to achieve by 2030. With such an ambitious aim, we are committed to reducing the impact of our operations on the environment. We are moving towards reducing energy consumption by building highly efficient and sustainable data centers that rely on renewable energy. Our corporate design standards keep track of the various green certification criteria to meet best-in-class sustainable building standards. We are also retrofitting LED lighting, redesigning our heating, ventilation and air conditioning (HVAC) systems to more closely correlate occupancy and efficiency. As cities become smarter, the growing digitization has led to a huge market for data centers around the world. As the race continues to capture and process ever-increasing amounts of data to enable useful real-time insights and decision-making, it is taking a toll on the environment. This has limited the growth of the data center industry worldwide, including in Singapore.
For computer equipment in data centers to work optimally, data centers need to maintain cool temperatures, which today is mainly achieved through conventional cooling systems. However, the cooling process in traditional systems is very resource-intensive, requiring a lot of water and electricity to power energy-hungry compressors or refrigerators.
Today, about 40% of a data center’s electricity use goes to cool the facility. The International Energy Agency estimates that the data center industry currently consumes around 1% of the world’s electricity, which could reach double digits by 2030. In Singapore, data centers accounted for 7% of the country’s energy use in 2020 and it is expected that this will increase. to 12% by 2030 if no mitigation actions are taken.
In addition, data centers emit large amounts of heat into the environment due to the limitations of cooling systems. In fact, for every 1 megawatt of heat transferred by cooling systems from data centers, another 1.2 megawatts of heat is released into the environment. This contributes to the Urban Heat Island Effect (UHI), a phenomenon where urban areas, which are more built up and more densely populated, are warmer than rural areas.
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When a common solution to the rising temperature woes is to combat unsustainable cooling and make it worse, there is an urgent need in the market for easy-to-deploy, ready-to-use cooling solutions that can remove heat efficiently, effectively and economically.
Promising to achieve over 20% in energy savings for tropical data center cooling and a payback within three years, ST Engineering’s DC Arbitat Cooling System is a cutting-edge innovation that cools high-performance data centers.
It is a type of liquid cooling, and uses multi-stage cold water generation to produce cold water for data center use. Combined with existing cooling systems, the Arbitat DC Cooling System enables data centers in tropical environments to achieve a targeted Power Usage Effectiveness (PUE) of 1.3 or better, supported by live system data and supported by eight years of engineering, R&D and his. patented evaporative cooling technology. The PUE is a ratio that describes how energy efficient data centers are. It is calculated by dividing the total amount of energy used by a facility, by the amount of energy delivered to its computing equipment, and the ideal PUE is 1.0. In Singapore, this performance represents a significant improvement over the current regulatory requirements for data centers and positions it to meet more stringent standards for data centers in the future.
By using the natural evaporation process based on Reevac® Deep Cooling technology – a patented evaporative cooling technology first developed for its Arbitat coolers – the Arbitat DC Cooling System recirculates the warm return air that is pre-cooled in the data hall to reduce make up 40% of the heat load from the cooling system.
How To Measure And Reduce Data Center Energy Consumption
This significantly reduces the total energy requirements for cooling by more than 20%, which means annual energy savings of approximately $104 per kW of heat load. In addition, the Arbitat DC Cooling System does not generate waste heat into the environment as it does not use compressors or refrigerants. It also has lower water consumption requirements compared to conventional water cooled cooling systems.
Apart from being sustainable to operate, the Arbitat DC Cooling System has clear advantages that ultimately result in significant cost savings for data center operators:
Even in tropical climates where cooling is challenging due to high levels of heat and humidity, the Arbitat DC Cooling System can achieve unparalleled cooling performance, creating cold water at, or below, wet bulb temperature i.e. as low as 26°C. This is about 3 to 5 degrees lower than traditional evaporative cooling.
Although the Arbitat DC Cooling System is engineered to efficiently cool data centers in all types of climate conditions, it achieves the highest electricity and water savings in hot and low-humidity conditions. It has intelligent controls that detect ambient psychrometric conditions and automatically adjust its cooling modes in real-time for consistent, energy-efficient cooling. In addition, its modular design and ability to scale to meet the cooling needs of different data centers, as well as structural and layout constraints, making it easy to integrate into existing data centers and in new venues.
Key Energy Saving Technologies In Data Centers
The Arbitat DC Cooling System is an innovation by ST Engineering’s Urban Solutions team, who created the award-winning Arbitat range of coolers. Thanks to eight years of R&D on sustainable cooling technology as well as extensive engineering and field experience, the team was able to accelerate product development. In total, it took the team approximately 12 months from concept to system design, validation and testing to develop the Arbitat DC Cooling System.
 Wet bulb temperature is the lowest temperature to which air can be cooled by evaporating water into air at constant pressure.
It also shows how cloud computing can be made more efficient if those data centers are powered using energy from renewable and carbon-free sources. In fact, a study found that using the Microsoft Azure cloud platform can be up to 93 percent more energy efficient and up to 98 percent more carbon efficient than on-premise solutions.
Data Centres And Sustainability
That’s why Microsoft is so committed to changing the way we power our data centers and encouraging others to do the same. But we also recognize that it is difficult to jump straight from today’s power generation model to a fully decarbonized electricity grid. We all need to make a transition, which will involve strategic investments and changes in procurement practices.
With this in mind, we have made a global commitment to match 100 percent of our electricity consumption, 100 percent of the time, with carbon-free energy purchases worldwide by 2030.
As Noelle Walsh, Microsoft’s head of Cloud Operations and Innovation highlighted in a joint blog, this commitment recognizes the limits of our ability to control global grid infrastructure, but maximizes our impact on it. “While we can’t control how our energy is produced, we can influence how we buy our energy,” notes the blog.
We regularly measure the energy efficiency of our data centers around the world using the power usage effectiveness (PUE) metric.
Sustainable Data Center Services
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