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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
Workshop Chair: Debra Lew, Executive Director, ESIG Overview of Breakthrough Energy Initiative on Integrated Planning Rajeev Ram, Breakthrough Energy Ventures Integration of Economic and Reliability Tools and Data Moderator: Carlo Brancucci, CEO, encoord MISO’s Renewable Integration Impact Assessment (RIIA) Jordan Bakke, Director of Strategic Initiatives and Assessments, MISO Discussion Panelists (Download Panelists’ Slides): Peter Markussen, Managing Director, Energinet (Denmark) Jason Frasier, Senior Manager of Transmission Planning, NYISO Xiaoyao Zhou, Engineering Compliance Manager, NG ESO (UK) Kelsey Allen, Principal Engineer, SPP Integration of Generation, Transmission, Distribution, and Load Arne Olson, Senior Partner, Energy + Environmental Economics (E3) LA100: The Los Angeles 100% Renewable Energy Study Paul Denholm, Senior Research Fellow, NREL Discussion Panelists: Ken Aramaki, Director T&D Planning, Hawaiian Electric Company Angie Bond-Simpson, Senior Director of Resource Management, Salt River Project Chris Clack, Vice President, Integrated Energy Systems Planning, Pattern Energy Group (Download Presentation) PJ Martin, Vice President of Integrated System Modeling and Analytics, Xcel Energy
2024 Fall Technical Workshop: Breakthrough Energy/ESIG/GPST Integrated Planning Workshop
Opening Remarks Mark Ahlstrom, NextEra Energy & ESIG Board of Directors’ President Keynote: The Challenges of Orchestrating a Successful Clean Energy Transition Across Multiple Jurisdictions Gordon van Welie, ISO-NE, President and CEO Industry Overview Debra Lew, Executive Director, ESIG
2024 Fall Technical Workshop: Introduction / Opening Remarks
Featured Speaker: Sean Morash, Principal, Telos Energy Webinar Abstract: Building electrification is expected to affect all facets of the power system, and the effects will be pronounced for distribution systems where many pieces of grid edge equipment are already heavily loaded. In many ways, our thinking about grid planning will need to change as new technologies are adopted that change the fundamentals of load, and shift stress towards winter. Because of the timelines associated with building new distribution and transmission infrastructure, decisions today, or lack thereof, will impact the preparedness of the grid for the expected demand. Despite the high uncertainty of the timing and makeup of this demand and that different jurisdictions may experience the impacts in different ways, there are opportunities to lay a grid planning foundation today that will support a grid that enables widespread building electrification. This webinar will cover the report developed by the ESIG Grid Planning for Building Electrification Task Force over the last year. It will outline the four priorities for effectively integrating building electrification into grid planning. It will cover the practices from across the industry and identify where improvement is needed, with a primary focus on distribution planning, forecasting, energy efficiency, and opportunities to integrate planning processes.
Grid Planning for Building Electrification
Featured Speaker: Knut Styve Hornnes, Special Adviser, R&D and Innovation, Statnett About the Webinar: With a rapidly evolving power system, stability challenges have evolved as well. In the European context, ENTSO-E, as a network of collaborating TSOs, tackles these stability challenges at both regional and European scale. This webinar will provide an insight into how European TSOs tackle these stability issues, what are the modelling and simulation techniques employed, how is instability analysed and what are the future research needs. Through case studies and demonstrators, this presentation will provide both system operation and R&D perspectives on European grid stability initiatives.
ENTSO-E Grid Stability Initiatives: How is Grid Stability Ensured in a Changing Power System?
Featured Speaker: Julia Matevosyan, Chief Engineer, ESIG Webinar Abstract: As more power systems are reaching very high shares of inverter-based resources (i.e. wind, solar, battery storage), new resources with advanced capabilities, termed grid forming (GFM) are becoming increasingly important. As a result, more system operators are defining performance and testing requirements for GFM IBRs and now projects are being built to these specifications. A year ago a webinar was held comparing existing GFM specifications at the time. The webinar will provide an update based on the latest developments with GFM projects, specifications (including the most recent drafts from MISO and ENTSO-E), as well as remaining challenges in testing and conformity assessment of GFM capabilities.
Webinar: A Global Update on GFM Projects and Specifications
Featured Speakers: Mirko Pracht, Head of Digitalization of System Operations and Product Director, Asset & System, 50Hertz; Arya Fazilat, Advisor for Digitalization of System Operations, 50Hertz Webinar Abstract: By 2032, 50Hertz (a German TSO) aims to integrate an annual average of 100 percent renewable energies safely into the grid and the system. The digital transformation plays a decisive role in this. For this reason, 50Hertz is developing a new grid control system for the integration of 100 percent renewables. This “brain of renewable integration” has a name: the Modular Control Centre System (MCCS).
G-PST/ESIG Webinar: Delivering MCCS - Software and Modular Control Center System of the Future
Featured Speaker: Cody Davis, Senior Principal Engineer, Distribution & Grid Modernization, Electric Power Engineers Webinar Abstract: Recent changes to inverter interoperability capabilities for IEEE 1547-2018 and UL 1741 SB compliance have further reduced barriers to utilities communicating with and controlling DER. Utilizing such features to gather actual data on DER system performance and modify DER real and reactive power performance in response to changing grid conditions can provide significant value to both utilities and DER owners. Understanding how these capabilities can be utilized to improve distribution planning and operational outcomes is critical to developing a strategy for DER Management and developing a business case for DER Management System (DERMS) deployment. This presentation will identify the value drivers and utility process improvements that can be achieved using the DER communications and control capabilities to support the distribution system.
Webinar: DER Management & Implementation Use-Cases – We Can Control DERs, Now What?
Featured Speaker: Nick Miller, Principal, HickoryLedge LLC Webinar Abstract:  The increasing use of inverter-based resources (IBRs) has led to oscillations with a wider range of characteristics and root causes, raising new issues and risks for power system operation and planning. This webinar will introduce this practical guide as a starting point for practitioners who encounter oscillatory behavior, a sort of field guide or diagnostician’s assistant. This guide helps the user find out the cause of the oscillation, what to do about it, and where to go for more help. Consulting the guide is the first step that follows “I see an oscillation. What is it? What do I do about it?”
G-PST/ESIG Webinar: Diagnosis and Mitigation of Observed Oscillations in IBR-Dominant Power Systems
Featured Speakers: Parag Mitra, Principal Technical Leader, EPRI; Deepak Ramasubramanian, Senior Technical Leader, EPRI; Chengwen Zhang, Engineer/Scientist III, EPRI Webinar Abstract: Frequency performance is one of the major aspects for ensuring safe operation as the power industry moves toward a high renewable future. Understanding how the inverter-based resources change the frequency dynamics, identifying potential regional inertia risks, delivering IBR fast frequency response stably from various situations, and eventually maintaining satisfactory frequency performance are critical for a safe and reliable transition to the high penetration systems. This webinar will introduce EPRI’s latest work on inertia regionalization analysis, IBR frequency response stability screening, and bulk power system frequency performance assessments for these goals.
Approaching Regional Inertia & Fast Frequency Stability Screening Methods in High Renewable Systems
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