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Shaping Tomorrow's Built Environment Today
March 14, 2024
Amazon Web Services (AWS) has secured a nuclear-powered data center campus as part of a $650 million agreement with Texas-based electricity generation and transmission company Talen Energy. AWS’s acquisition includes the Cumulus data center complex, situated next to Talen’s 2.5 gigawatt Susquehanna nuclear power plant in northwest Pennsylvania. As part of the agreement, Talen will continue to supply Amazon with direct access to power produced by its Susquehanna nuclear power plant, which could reach heights of 960 megawatts in the coming years. While nuclear energy may be a controversial power source, AWS’s acquisition aligns with its commitment to carbon-free and renewable energy sources.  Read more
Amazon’s AWS Just Bought A Nuclear-Powered Data Center
Talen will continue to supply Amazon with direct access to power produced by its Susquehanna nuclear power plant. Credit: CERN.
Hacking makes the electric grid vulnerable to bad actors who might try to turn off the power, damage the system or worse. A team at the Department of Energy’s Pacific Northwest National Laboratory is trying to create a better level of protection by giving grid operators a clear blueprint to identify and address the biggest threats first. Their formula is based on “hybrid attack graphs,” a mathematical approach that is becoming more popular as the cyber and physical worlds become interconnected. The approach gives users flexibility to map out and follow multiple attack routes as they evolve and as defenders and attackers give and take ground. Read more
Geothermal energy startup Fervo Energy has raised $244M, with proceeds from the new financing aimed at advancing the deployment of its round-the-clock carbon-free energy solution. The company uses techniques such as horizontal drilling and distributed fiber optic sensing to make reservoirs of hot rock that exist beneath the earth’s surface into clean energy sources. Tim Latimer, Fervo CEO and Co-Founder said, “Demand for around-the-clock clean energy has never been higher, and next-generation geothermal is uniquely positioned to meet this demand.” Read more
ASHRAE Journal
By William O’Brien, Ph.D., P.Eng, Associate Member ASHRAE; Farhang Tahmasebi, Ph.D.; Tianzhen Hong, Ph.D., P.E., Fellow ASHRAE
Occupants are recipients of building services, and they have direct influence on building operation and performance. However, they are often addressed in simplified ways in building energy codes and standards that do not reflect the latest knowledge and scientific literature. This article describes an international review the authors performed on 23 regions’ building energy codes and standards with two approaches: one quantitative focused on comparing occupant-related schedules, densities and other values and one qualitative that analyzed written requirements. Download here
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In Case You Missed It
ASHRAE received a determination issued by the U.S. Department of Energy (DOE) stating that ANSI/ASHRAE/IES Standard 90.1-2022, Energy Standard for Sites and Buildings Except Low-Rise Residential Buildings, will increase energy efficiency in commercial buildings subject to the code. The standard achieved this determination through the DOE’s technical analysis estimating that buildings meeting 90.1-2022 (as compared to the previous 2019 edition) would result in national average site energy savings estimate increases from 9.8% to 14% (referenced as “net” savings). Read more
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