Rolls-Royce Supplying 31 mtu Gen-Sets to Japan Hyperscale Data Center

Oct. 23, 2023
The first 8 of 31 mtu Tier 4 diesel engines and gen-sets are installed at the Osaka data center. The EnergetIQ control systems provide automation and monitoring for distributed energy and microgrid resources.

Rolls-Royce is supplying 31 mtu generator-sets and a microgrid-level control system to support emergency operations at a new, hyperscale data center in Japan.

The data center went into operation near Osaka earlier this year. It has a designed capacity of 45.9 MW.

Rolls-Royce’s delivery includes the emergency mtu gen-sets and a complete mtu EnergetlQ control system package. The company’s group has installed eight of those gen-sets, based on the 20-cylinder mtu Series 4000 Tier-4 diesel-fired engines, all housed in a container with generator and switchgear and control and monitoring technologies.

The company will add additional gen-sets as the new data center’s capacity increases.

The EnergetIQ control systems provide automation and monitoring for distributed energy and microgrid resources. It monitors both incoming grid connections and generator status within the plant, according to Rolls-Royce.

The control system will start  the emergency diesel generators in the event of a grid failure.

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Rolls-Royce's press release did not name the data center customer for the backup power system. Companies which have built new data centers in Osaka over the past two years include ESR, Colt DCS, AirTrunk, Stack Infrastructure, Dimension Data and GLP, among others.

ResearchandMarkets two years ago predicted that the Japan data center market would grow 7 percent annually to US$10 billion by 2026.

Osaka Prefecture has a combined population of more than 8 million people and boast a gross domestic product equivalent to about US$45,000 per capita annually, according to reports. The area is home to more than a dozen data center facilities.

Germany-based Rolls-Royce Power Systems operates in more than 150 countries and employs close to 10,000 people worldwide. It has supplied approximately 5 GW of emergency generators to the global data center market.

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Rod Walton, Managing Editor | Managing Editor

For Microgrid Knowledge editorial inquiries, please contact Managing Editor Rod Walton at [email protected].

I’ve spent the last 15 years covering the energy industry as a newspaper and trade journalist. I was an energy writer and business editor at the Tulsa World before moving to business-to-business media at PennWell Publishing, which later became Clarion Events, where I covered the electric power industry. I joined Endeavor Business Media in November 2021 to help launch EnergyTech, one of the company’s newest media brands. I joined Microgrid Knowledge in July 2023. 

I earned my Bachelors degree in journalism from the University of Oklahoma. My career stops include the Moore American, Bartlesville Examiner-Enterprise, Wagoner Tribune and Tulsa World, all in Oklahoma . I have been married to Laura for the past 33-plus years and we have four children and one adorable granddaughter. We want the energy transition to make their lives better in the future. 

Microgrid Knowledge and EnergyTech are focused on the mission critical and large-scale energy users and their sustainability and resiliency goals. These include the commercial and industrial sectors, as well as the military, universities, data centers and microgrids. The C&I sectors together account for close to 30 percent of greenhouse gas emissions in the U.S.

Many large-scale energy users such as Fortune 500 companies, and mission-critical users such as military bases, universities, healthcare facilities, public safety and data centers, shifting their energy priorities to reach net-zero carbon goals within the coming decades. These include plans for renewable energy power purchase agreements, but also on-site resiliency projects such as microgrids, combined heat and power, rooftop solar, energy storage, digitalization and building efficiency upgrades.

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