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Energy Systems Integration Group

The Energy Systems Integration Group (ESIG), previously known as the Utility Wind Integration Group (UWIG), was established in 1989 to provide a forum for the critical analysis of wind for utility applications. Initially focused on wind power, UWIG expanded its focus to include solar power and distributed generation and become known as the Utility Variable-Generation Integration Group in 2011. In 2018, driven by the economics and growth of renewable energy and the interdependent nature of the global energy industry, the association expanded its focus beyond the electricity system of today. These expanding perspectives around energy, and the growing need for coordination across the ways that we produce, convert, deliver and use energy, are the reasons we have become the Energy Systems Integration Group (ESIG).

Energy Systems Integration Group
Featured Speaker: Hannele Holttinen, Senior Adviser, Partner, Recognis Oy, Finland About the Webinar: This webinar will summarize findings on wind and solar integration, both real experience and studies, as reported from the 17 countries participating in the International Energy Agency Wind Technology Collaboration Programme (IEA Wind TCP) Task 25. It is based on the recently published summary report, ”Design and Operation of Energy Systems with Large Amounts of Variable Generation.” The main issues regarding wind and solar impacts on power systems, from national case studies, address both long-term planning issues and short-term operational impacts. Long-term planning issues include grid planning and resource adequacy. Short-term operational impacts include reliability, stability, reserves, and maximizing the value of wind in operational timescales. Findings on variability and uncertainty of power system-wide wind power are covered. Recent studies toward 100% shares of renewables are also presented. Access to the Summary Report may be found at 10.32040/2242-122X.2021.T396.
Webinar: IEA Wind Task 25 Final Report
YouTube Video VVVIZkJrZW42VVZ1Q0pRbUFmR3YxdkpBLmZYVGVEdFItVGtN
Featured Speaker: Ryan Quint, Senior Manager, BPS Security and Grid Transformation, NERC About the Webinar: This webinar will dive into the events analyzed by NERC, WECC, and Texas RE regarding solar photovoltaic (PV) resources abnormally responding to grid faults. Ryan will highlight the key findings and lessons learned from the recent Odessa Disturbance in Texas as well as multiple events that have occurred in California in 2021.
Webinar: Solar PV Disturbances: What We Need to Do to Get Ready for High Penetration Conditions
YouTube Video VVVIZkJrZW42VVZ1Q0pRbUFmR3YxdkpBLlcxRkpBYmlIcC1r
Featured Speakers: Mark O’Malley, Chief Scientist, ESIG and Julian Leslie, Head of Networks and Chief Engineer – National Grid Electricity System Operator About the Webinar: As the power system generation mix transitions, advances in the operation and planning of the power system are required to continue to meet its primary objectives. To meet this need, select system operators on the cutting edge of this transition have collaborated with technical institutions around the world to create the Global Power System Transformation (G-PST) Consortium (https://globalpst.org/). The Consortium has the objective of supporting advanced system operator cutting-edge research and development activities and supporting all system operators globally with knowledge and training as they transform their power systems. Following an extensive and rigorous process, the G-PST defined a common inaugural research agenda to advance the operations and planning of power systems to enable the transition. The purpose of this webinar is to describe the research agenda, which seeks to include all possible advances, from fundamental to applied research, driving solutions which are expected (but not assumed) to be globally applicable to all system operators. The initial research agenda focuses on near-term issues (i.e., next decade) and includes all technical aspects of operational and planning activities within the bulk power system. These advances will vary from system to system and will range from simple modifications of existing technologies and practices to fundamentally new and better ways to plan and/or operate the power systems of the future.
G-PST/ESIG Webinar Series: Research Agenda for Transformed Power Systems
YouTube Video VVVIZkJrZW42VVZ1Q0pRbUFmR3YxdkpBLlFBMndVMHRzUGJR
Featured Speaker: Derek Stenclik, Founding Partner, Telos Energy About the Webinar: This webinar will serve as a follow-up to the ESIG whitepaper, “Resource Adequacy for Modern Power Systems” released in August. It will expand on the principles outlined in the report by further elaborating on recommendations for improved resource adequacy metrics and future options for the planning reserve margin. The webinar will explore ways to leverage the outputs of resource adequacy analysis to better characterize system risk, make informed investment decisions to improve reliability, and improve the long-term planning process.
Webinar: Redefining Resource Adequacy
YouTube Video VVVIZkJrZW42VVZ1Q0pRbUFmR3YxdkpBLnYxMEFEZ3VfejFF
Featured Speaker: Sebastian Achilles, Managing Director Power Systems Operation and Planning, GE Energy Consulting Webinar Abstract: Operation of Inverter Based Resources (IBR) in weak grid conditions is a relatively old subject that does not seem to go away. The webinar will begin with a short introduction on the types of performance issues associated with weak grid and related mitigations used in the industry. We will then elaborate on how the weak grid operation challenges have changed in recent years due to the large deployment of IBR, and aspects of grid code requirements that affect the risk of weak grid related issues in the lifetime of IBR plants. The speaker will also share observations on study, modeling and short circuit ratio (SCR) screening aspects based on recent experiences, with a focus on what seems to be changing from prior practices. The discussion will elaborate on grid following (GFL) and grid forming (GFM) IBR resources in the context of weak grids, and why GFM may help, but not necessarily solve, all weak grid risks. The talk will be presented from an OEM perspective.
G-PST/ESIG Webinar Series: Weak Grid Connection of IBR, Why Are We Still Talking About This?
YouTube Video VVVIZkJrZW42VVZ1Q0pRbUFmR3YxdkpBLjlrMUNQQmVTc3M4
Chair: Aaron Bloom, Senior Director, Regulatory Affairs, NextEra Energy Recognizing Multiple Benefits in Transmission Planning Hannes Pfeifenberger, Principal, Brattle Calculating Transmission Benefits at Pacificorp Rick Vail, Vice President – Transmission, PacifiCorp European Calculation of Transmission Benefits Albert Moser, Professor, RWTH Aachen University, Germany Inefficiencies of Interconnection Queue Process, Cost Allocation and Ideas for Reform Rob Gramlich, Founder and President, Grid Strategies Planning Transmission for Offshore Wind Theodore Paradise, Executive Vice President, Transmission Strategy & Counsel, Anbaric Presentations from this session are available for download at https://www.esig.energy/event/2021-fall-technical-workshop/.
2021 Fall Workshop: Closing Plenary Transmission – the Great Enabler
YouTube Video VVVIZkJrZW42VVZ1Q0pRbUFmR3YxdkpBLklDbmVsRXVMMlQw
Chair: Mike Hogan, Senior Advisor, Regulatory Assistance Project (RAP) Unlocking Flexibility with EV Smart Charging Francisco Boshell, Innovation Team Lead, International Renewable Energy Agency (IRENA), Germany Distribution System Upgrades for Fleet Electrification Jay Oliver, Managing Director, Grid Systems Integration, Duke Energy Impact of Transportation Electrification on Distribution System Upgrades Nigel Turvey, Visiting Senior Industrial Fellow, University of Bath, England Heavy-duty Truck Electrification and the Impacts of Depot Charging on Electricity Distribution Systems Matteo Muratori, Team Lead – Integrated Transportation and Energy Systems Analysis, NREL Presentations from this session are available for download at https://www.esig.energy/event/2021-fall-technical-workshop/.
2021 Fall Workshop: Session 6: Electric Transportation and Distribution Infrastructure
YouTube Video VVVIZkJrZW42VVZ1Q0pRbUFmR3YxdkpBLi1NTUpzRjdVY3pj
High levels of Inverter-Based Resources (IBR), e.g., wind, solar, batteries, can create challenges and advantages for power system stability. Join WECC and the Energy Systems Integration Group (ESIG) in a virtual workshop to explore mitigation options with a focus on grid-forming inverter technology. The workshop will start at a high-level, then discuss the details of weak grids, export stability, zero inertia, and IBR considerations. This grid-forming inverter-based resources workshop is meant to be accessible to a broad audience. This is an opportunity for discussing, asking questions, and sharing information. Individual presentations from this workshop can be downloaded at https://www.esig.energy/event/wecc-esig-grid-forming-inverter-based-resources-workshop/.
WECC/ESIG Grid-Forming Inverter-Based Resources Workshop
YouTube Video VVVIZkJrZW42VVZ1Q0pRbUFmR3YxdkpBLkRjbUIxNlpSYnNB
This Energy Systems Integration Group (ESIG) and Southwest Power Pool (SPP) workshop is the first in a series of two educational workshops on system stability with increasing penetrations of inverter-based resources (IBRs). This first workshop focuses on the interconnection of new IBRs into weak grids - exports of power from weak pockets of the grid, equipment capabilities, models, planning processes, control interactions and mitigation options. The second workshop will examine planning for systemwide issues of high penetrations of IBRs including low inertia grids, frequency response and small signal oscillatory behavior. Featured Topics & Presenters: Export Stability in Weak Grids - Nick Miller, HickoryLedge LLC Overview of Interconnection of IBRs into Weak Grids - Jason MacDowell, GE IBRs in Weak Grids: Considerations and Mitigations - Sebastian Achilles, GE ERCOT Practices and Experience - Fred Huang, ERCOT
Workshop: Interconnection of Inverter-Based Resources in Weak Grids
YouTube Video VVVIZkJrZW42VVZ1Q0pRbUFmR3YxdkpBLkNQdHM0UnVWanZn
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