Utilization of renewable energy and storage batteries for the decarbonization of data centers.

basic information

▼Energy Self-Sufficiency Renewable energy sources such as solar and wind power can be affected by weather and time of day, leading to unstable electricity supply. Energy storage systems efficiently store these renewable energies and discharge them when needed, ensuring a stable power supply. ▼Energy Cost Management (Peak Shifting and Peak Cutting) By utilizing the electricity stored in batteries during peak demand periods for data centers, power consumption can be leveled out, reducing electricity costs. Additionally, by curbing electricity usage during peak times, the load on the power grid is reduced, supporting efficient energy management. ▼Reduction of Environmental Impact By reducing electricity consumption from fossil fuels and limiting CO2 emissions, efforts are made to lower environmental impact. ▼Achievement of Carbon Neutral Goals Globally, companies are aiming for carbon neutrality, and the use of renewable energy is positioned as part of this effort. By combining renewable energy with energy storage systems, data center operators can secure a stable power supply while achieving sustainable operations.

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● Collaboration with Renewable Energy Many data center operators are advancing the introduction of renewable energy sources such as solar and wind power to secure a sustainable energy supply. This is particularly true for large-scale data centers, where there is an increasing number of examples of companies installing their own solar power facilities or wind farms, as well as procuring renewable energy from external sources. ● Ensuring Stable Power Supply with Batteries Since renewable energy is affected by weather and time of day, ensuring a stable power supply is a challenge. Therefore, it is common to utilize batteries.

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Applications/Examples of results

▼Efforts Toward Decarbonization Many data center operators are aiming for carbon neutrality and 100% renewable energy operations. For example, Google and Amazon are advancing plans to transition all their global data centers to renewable energy, achieving both stable energy supply and decarbonization simultaneously. ▼Collaboration Between Renewable Energy and Batteries The use of batteries in data centers is effective for the efficient utilization of renewable energy and decarbonization. Batteries are expected to play an increasingly important role in improving energy efficiency and reducing CO2 emissions. Electricity generated from solar power during the day is stored in batteries for use at night or on cloudy days. This system reduces dependence on fossil fuels, lowers reliance on the power grid, and achieves decarbonization. By combining batteries with renewable energy, we contribute to the realization of carbon neutrality.

Detailed information

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  ● Collaboration with Renewable Energy Many data center operators are advancing the introduction of renewable energy sources such as solar and wind power to secure a sustainable energy supply. This is particularly true for large-scale data centers, where there is an increasing trend to install solar power facilities and wind farms on-site or procure renewable energy from external sources. For example, major tech companies like Google and Amazon Web Services (AWS) have set carbon neutrality goals for their data center operations and are actively promoting the transition to renewable energy.

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  ●Ensuring Stable Power Supply with Batteries Renewable energy is affected by weather and time of day, making stable power supply a challenge. Therefore, it is common to utilize batteries. By storing surplus energy in batteries and using it during times of energy shortage, stable power supply becomes possible. Data center operators can respond to disruptions and instability in the power grid by combining renewable energy with batteries. This allows them to establish a self-sufficient system that does not rely on external power grids.

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  ●Realization of Sustainable Data Centers Efforts that consider the environment, such as promoting the introduction of renewable energy, are required. Renewable energy is essential for achieving a decarbonized society. We need to engage in mitigation measures through the reduction of greenhouse gas emissions, improvement of energy efficiency, and the introduction of renewable energy. ▷CO2 Emission Reduction By utilizing clean energy from solar power generation, we can reduce carbon dioxide emissions without relying on fossil fuels. ▷Energy Self-Sufficiency By combining solar power generation with storage batteries, we can provide stable electricity even in areas with unstable power supply or where there is a risk of power outages.

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  ●Utilization of Solar Power Generation Solar power generation is the most widely used renewable energy source, and many data center operators are installing solar panels on their own premises or nearby. In particular, there is an increasing trend to incorporate large-scale solar power generation facilities to meet the substantial electricity demands required for data center operations. ▷Power Generation on Company Premises Solar panels are installed in spacious areas such as rooftops and parking lots of data centers, aiming for self-sufficiency in electricity. ▷Collaboration with Local or External Solar Power Generation Facilities Even if a company’s facility is not suitable for solar power generation, it is possible to contract with local solar power facilities or external power generation operators to procure renewable energy.

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  ● Efficient Use of Renewable Energy By utilizing solar power generation and storage batteries, we can reduce the load on the power grid and achieve a reduction in energy costs. Data centers typically have peak times when power consumption reaches its highest, so by using the electricity stored in batteries for peak shifting, we can avoid peak power charges and optimize costs. ▷ Peak Shifting and Peak Cutting By charging from solar power generation or the power grid during times of low electricity consumption, and supplying power from storage batteries during peak demand times, we can reduce dependence on the power grid and lower costs.

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  ● Increasing social demands on corporate compliance, CSR, etc. ▷ Demand for securing trust from stakeholders such as local communities, employees, shareholders, and business partners ▷ Contribution to local communities during disasters There is a growing expectation from local communities for companies to open their facilities and provide support in terms of relief supplies during disasters. Alongside their own BCP (Business Continuity Plan) initiatives, companies are increasingly considering contributions to the entire region and implementing DCP (District Continuity Plan) measures. For companies with strong ties to the community, active engagement in CSR (Corporate Social Responsibility) activities, such as "contribution to local communities," is linked to participation in and response to regional continuity plans, which are considered part of the company's BCP measures.

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  ●Measures against power outages for servers and communication equipment If the system stops due to the impact of a power outage, it will significantly hinder business continuity. The loss of business opportunities and necessary data can lead to substantial losses for a company, jeopardizing not only the continuation of operations but potentially even its survival. Given this background, it is essential to develop a Business Continuity Plan (BCP) to prevent activities from coming to a halt during a disaster. ●Disasters and accidents that impact corporate management ▷Frequent earthquakes, typhoons, and floods ▷Severe failures in critical systems ▷System shutdowns due to computer viruses ▷Risk of infectious diseases (pandemics) ▷Increased threat of terrorism

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  ●Measures for Power Outages During Disasters Even if the power supply is interrupted due to a blackout, if there is electricity stored in a battery, it is possible to continue using electricity, allowing for preparedness as part of a BCP (Business Continuity Plan) strategy. The combination of battery storage and solar power generation enables a response to prolonged power outages.

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  ● You can save on electricity costs. Industrial storage batteries significantly enhance energy-saving effects when linked with renewable energy devices such as solar power generation. Charge the storage battery during low-rate time periods (mainly at night). By using electricity from the charged storage battery during high-rate time periods, you can save on electricity costs.

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