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DTSTART;TZID=America/New_York:20251105T160000
DTEND;TZID=America/New_York:20251105T170000
DTSTAMP:20260606T125538
CREATED:20251028T213730Z
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UID:17018-1762358400-1762362000@www.esig.energy
SUMMARY:ESIG LLTF Webinar: NextEra Transmission Perspective on Large Load Interconnections
DESCRIPTION:**PLEASE NOTE – THIS IS A MEMBERS-ONLY WEBINAR** \nWebinar materials can be found here. \nFeatured Speakers: Nihal Mohan\, Director Development\, NextEra Energy Transmission and Sunil Dhakal\, P.E.\, Project Director Development\, NextEra Energy Transmission \nAbout the Webinar: In the past few years\, NextEra Energy Transmission (NEET) has seen a surge in interconnection requests on its  345 kV Lone Star asset located in ERCOT\, spanning multi-gigawatt scales. This presentation shares NEET’s experiences\, outlines the key challenges encountered\, and describes the process and changes implemented to more effectively manage large-load interconnections while maintaining system reliability. \nAbout the Speakers: Nihal Mohan is Director Development at NextEra Energy Transmission\, covering MISO and ERCOT regions with over 14 years of power systems experience. He holds a master’s degree in electrical engineering from Arizona State University and specializes in transmission planning\, interregional studies\, and advanced power system analysis. Nihal is actively engaged in leading technical organizations including IEEE\, ESIG\, the NATF\, EPRI\, and several NERC-led task forces\, where he contributes to industry standards and best practices development. \nSunil Dhakal\, P.E. is a Project Director Development at NextEra Energy Transmission with over 12 years of electrical power engineering experience and a master’s degree in the field. He currently leads transmission planning initiatives for Lone Star Transmission\, NEET’s 345kV asset portfolio in the ERCOT region. Sunil has deep expertise in transmission planning with specialized knowledge of the ERCOT system\, including steady-state analysis\, dynamic studies\, and comprehensive power system modeling. He manages several large load interconnection studies and actively participates in ERCOT stakeholder processes\, contributing to critical regulatory and planning decisions. \nModerator: Julia Matevosyan\, Associate Director\, Chief Engineer\, ESIG \nRegistration Cost: FREE for ESIG Members \nQ&A Session: We will be using the Slido platform for Q&A. Please submit your questions and follow-along during the event at this link.
URL:https://www.esig.energy/event/lltf-neet-perspective-large-loads/
CATEGORIES:Webinars
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BEGIN:VEVENT
DTSTART;TZID=America/New_York:20251106T160000
DTEND;TZID=America/New_York:20251106T170000
DTSTAMP:20260606T125538
CREATED:20251023T005212Z
LAST-MODIFIED:20260224T190455Z
UID:17015-1762444800-1762448400@www.esig.energy
SUMMARY:Webinar: ESIG Large Loads Task Force: Background Information\, Data and Flexibility Needs
DESCRIPTION:Download Presentation \nView Webinar Recording \n\n \nFeatured Speakers: Julia Matevosyan\, Associate Director\, Chief Engineer\, ESIG; Trieu Mai\, Visiting Fellow\, ESIG\n \nAbout the Webinar: Large electrical loads\, such as data centers\, hydrogen production facilities\, and EV fleet charging facilities\, present significant new challenges for the electric power industry. \nThese new challenges include: \n\nDifficulties in accurately forecasting demand without a public and transparent interconnection queue; reliable information about energy use patterns\, limited financial or other firm commitments from large load developers; and project completion data\nLack of thorough understanding from industry stakeholders of the performance of different types of large loads\, how this performance will affect the power system\, and how large loads could potentially provide essential power system reliability services\nLack of large load-specific interconnection requirements that would enable interconnection planning engineers to thoroughly study the effects of these large loads on the power system before energization\nChallenges in modeling large loads and their type-dependent and varied performance characteristics in the reliability studies\nSystemic procedural and regulatory impediments to plan and build transmission infrastructure at the pace necessary to reliably deliver energy to these rapidly interconnecting large electrical loads\nDifficulties in ensuring resource adequacy due to uncertainty in load forecast\nDifficulties across all topic areas in securing the needed data\, whether it be for forecasts\, electrical models\, or flexibility potential\n\nMeanwhile\, large load developers are also left to grapple with the challenges summarized above\, and more. Addressing these challenges in a timely manner is critical to the further growth of large load industries\, reliability of the bulk power system\, and electricity affordability. \nIt’s against this background that the Energy Systems Integration Group (ESIG) has launched a Large Loads Task Force (LLTF) to convene stakeholders\, identify challenges and practical solutions\, and develop harmonized best practices that help ensure reliable and efficient grid integration while supporting industry growth. The LLTF kicked off with an introductory webinar on December 17th\, 2024\, outlining the scope\, format\, and deliverables of the task force. \nThis webinar will cover the first deliverable of the ESIG Large Load Taskforce\, namely the Introduction Report that is currently being finalized. The webinar will cover background information on large load growth and identify gaps with large load integration into power systems. Specifically\, we’ll focus on data needs and availability as well as large load flexibility considerations. \nAbout the Speakers: Julia Matevosyan is ESIG’s Associate Director and Chief Engineer and has more than 25 years of experience in the power industry. Prior to joining ESIG\, Matevosyan was the Lead Planning Engineer of the Electric Reliability Council of Texas (ERCOT). Her interests include reliability of power systems with high shares of inverter-based generation and large loads\, with specific focus on inverter-based resource capabilities and performance\, changing system needs and services. Julia also leads several industry working groups and task forces on these topics at NERC\, ESIG\, ERCOT\, CIGRE and IEEE. Julia received her BSc from Riga Technical University in Latvia\, and her MSc and PhD from the Royal Institute of Technology (KTH) in Sweden. \nTrieu Mai is ESIG’s Visiting Fellow\,  covering bulk power system planning\, integrated planning\, and DERs. Prior to joining ESIG\, Mai spent 16 years at the National Renewable Energy Laboratory (NREL)\, where he most recently served as a Senior Energy Researcher for NREL’s Grid Planning and Analysis Center. At NREL he was a principal investigator for major studies on renewable energy grid integration\, energy policy\, electrification\, technology innovation and power and energy systems transformation. His work included the development and application of state of the art power systems planning tools\, data\, and capabilities. Additionally\, he served as a Supervisor in NREL’s Strategic Analysis Center. Mai holds a Ph.D. and a M.S. in Physics from the University of California\, Santa Cruz \nModerator: Erik Ela\, Director of System Operations and Electricity Markets\, ESIG \nRegistration Cost: FREE \nQ&A Session: We will be using the Slido platform for Q&A. Please submit your questions and follow along during the event at this link.
URL:https://www.esig.energy/event/webinar-lltf-backgound-data-flexibility/
CATEGORIES:Webinars
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BEGIN:VEVENT
DTSTART;TZID=America/New_York:20251111T160000
DTEND;TZID=America/New_York:20251111T170000
DTSTAMP:20260606T125538
CREATED:20251028T224408Z
LAST-MODIFIED:20260116T185109Z
UID:17021-1762876800-1762880400@www.esig.energy
SUMMARY:G-PST/ESIG Webinar: ESIG Report on Testing the Voltage Source Behavior of Grid-Forming Resources
DESCRIPTION:View Webinar Recording \nDownload Presentation \n\n \nFeatured Speakers: Shahil Shah\, Principal Engineer\, National Renewable Energy Laboratory (NREL) and Deepak Ramasubramanian\, Principal Technical Leader\, Electric Power Research Institute (EPRI) \n \nAbout the Webinar: Grid-forming (GFM) resources are poised to play a key role in maintaining the reliability and stability of modern power systems with high levels of inverter-based resources (IBRs) and large electronic loads (LELs). Proactive deployment of GFM technologies can help mitigate reliability challenges that would otherwise require extensive transmission investments. To support their adoption\, well-defined test methods and performance metrics are needed to evaluate and specify GFM behavior. \nThis webinar will present the findings from the newly released ESIG report\, “Testing the Voltage Source Behavior of Grid-Forming Resources\,” which provides comprehensive guidance for assessing the voltage source behavior of both inverter-based and rotating machine–based resources. The report introduces a structured suite of time-domain and frequency-domain tests that quantify how closely a resource behaves as an ideal voltage source with an impedance—a critical factor in enhancing grid strength and supporting bulk power system stability. \nThe report further defines performance metrics for each test and offers example specifications that demonstrate how voltage source behavior requirements can be applied in procurement while maintaining flexibility across GFM technologies. Finally\, it links the quantified voltage source behavior of GFM resources to grid strength improvement and IBR stability margins\, enabling their use in sizing GFM capacity for targeted system strength enhancement. \nThe webinar will provide attendees with a clear understanding of how standardized testing and performance metrics can accelerate the reliable integration of grid-forming technologies into future power systems. \nAbout the Speakers: Shahil Shah is a Principal Engineer in the Power Systems Engineering Center at the National Renewable Energy Laboratory (NREL) in Golden\, Colorado. His research focuses on the stability of power systems with high levels of inverter-based resources (IBRs) and large electronic loads (LELs)\, with a specific emphasis on impedance-based frequency scan methods for stability analysis and performance characterization of power electronic devices. \nHe led the development of the Grid Impedance Scan Tool (GIST) at NREL—an advanced platform for performing impedance-based stability analysis using both simulation models and actual hardware\, including inverters and wind turbines. GIST was a finalist for the 2023 R&D 100 Awards and has been applied globally through several NREL-led collaborations. At NREL\, Shahil also leads advanced testing of multi-megawatt inverters\, turbines\, and large power electronic loads to ensure reliable grid operation. His contributions have supported industry adoption of advanced stability analysis methods. \nHe holds a Ph.D. in Electrical Engineering from Rensselaer Polytechnic Institute (RPI) in Troy\, New York\, awarded in 2018. \nDeepak Ramasubramanian is a Principal Technical Leader at the Electric Power Research Institute (EPRI) in the Transmission Operations and Planning Group. \nDeepak joined EPRI in 2017 where his work is in the area of modeling\, control and stability analysis of the bulk power system with focus on the impacts of large-scale integration of inverter interfaced generation and load. \nThrough his work at EPRI\, he engages with various utilities and transmission system operators around the world to study the impact of increase in inverter-based resources in their system. Many of his projects have resulted in technology transfer to commercial simulation software and also become part of the utility planning process/guide. \nIn the UNIFI Consortium\, he serves as an EPRI representative on the leadership team\, co-leads the Modeling & Simulation area\, and leads the Standards Area. \nHe is a recipient of a 2022 IEEE PES Chapter Outstanding Engineer Award\, two Energy Systems Integration Group (ESIG) Excellence Awards\, North American SynchroPhasor Initiative (NASPI) Outstanding Graduate Student Award\, and the Power System Operation Corporation (POSOCO) Power System Award. \nHe received his Ph.D. degree in Electrical Engineering from the Arizona State University\, Tempe\, USA in 2017 and his M.Tech. degree in Power Systems from the Indian Institute of Technology Delhi\, New Delhi\, India in 2013. \nModerator: Julia Matevosyan\, Associate Director and Chief Engineer\, ESIG \nRegistration Cost: FREE \nQ&A Session: We will be using the Slido platform for Q&A. Please submit your questions and follow along during the event at this link.
URL:https://www.esig.energy/event/webinar-voltage-source-behavior-gfm/
CATEGORIES:Webinars
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