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ORNL researchers use blockchain to increase electric grid resiliency; Grid Guard

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A team led by Raymond Borges Hink at the Department of Energy’s Oak Ridge National Laboratory (ORNL) has developed a method using blockchain to protect communications between electronic devices in the electric grid, preventing cyberattacks and cascading blackouts. Grid Guard attestation framework and Anomaly Detection Module.

Grid 493
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PG&E to offer US’ first vehicle-to-grid export rate for commercial electric vehicles

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Pacific Gas and Electric Company (PG&E) has received approval to establish the nation’s first vehicle-to-grid (V2G) export compensation mechanism for commercial electric vehicle (EV) charging customers in its California service area. —Aaron August, PG&E Vice President, Utility Partnerships and Innovation.

Grid 170
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New long-duration, extended capacity Na-Al battery design for grid storage

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The new battery design could help ease integration of renewable energy into the electrical grid at lower cost, using Earth-abundant metals, according to a study just published in Energy Storage Materials. In comparison, the energy density for lithium-ion batteries used in commercial electronics and electric vehicles is around 170–250 Wh/kg.

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Study finds GWP of electrolyzed hydrogen to meet ORD’s fuel needs would be 2.5x that of fossil fuels with 2020 grid mix

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Phil Ansell, an aerospace engineer at the University of Illinois Urbana-Champaign, modeled the life cycle carbon dioxide equivalent emissions of liquid hydrogen production required to meet the fuel needs of Chicago’s O’Hare International Airport (ORD) with today’s electric grid mix. Ansell presented his findings at AIAA Aviation 2023 in June.

Grid 290
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California faces worsening grid challenges on Monday and Tuesday; CAISO calls for even greater reductions in electricity use

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the extra hour of reduced energy use is needed because of projected market deficiencies through 10 p.m. Consumer and commercial demand response, including Flex Alerts, has been helping to extend tight resources at critical hours so far this week. Flex Alerts are usually from 4 p.m.

Grid 370
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NREL review explores potential value of EV managed charging for realizing effective vehicle-grid integration

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Their findings, published in Energy & Environmental Science , provide a comprehensive look at how EVs and the grid could work together as the electric and transportation sectors become intertwined. Managed charging can be a tremendous resource for the grid but there are trade-offs to solutions at different levels of commercial readiness.

Grid 259
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Sandia team develops GaN diode that is significant step toward protecting grid from EMPs

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Scientists from Sandia National Laboratories have developed a new gallium-nitride (GaN) diode that can shunt excess electricity within a few billionths of a second while operating at a record-breaking 6,400 volts—a significant step towards protecting the nation’s electric grid from an electromagnetic pulse (EMP). —Bob Kaplar.

Grid 303