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This webinar addresses fundamental questions about grid integration studies, best practices for engaging key stakeholders, and the kinds of analysis and data that are involved in conducting a grid integration study. It includes several case studies to highlight lessons learned.
Located in Integration Topics / Grid Integration Studies / Grid Integration Studies folder
This white paper identifies guiding principles that can assist power system planners in conducting analysis of grid reliability impacts associated with meeting carbon dioxide emission reduction targets, with specific reference to the United States’ Clean Power Plan (CPP). The CPP, issued in August 2015 by the U.S. Environmental Protection Agency, sets limits on carbon dioxide emissions from existing fossil fuel-fired generators, and requires states to consider grid reliability impacts in their compliance plans. This white paper aims to promote robust analysis of the reliability impacts of the CPP by recommending guiding principles related to: 1) transparency and stakeholder engagement; 2) study methodology and interactions between studies; 3) study inputs, sensitivities and probabilistic analysis; and 4) tools and techniques. Though specifically crafted with reference to the CPP, the principles and analysis considerations presented in this white paper are generally applicable to other grid integration studies in different power system contexts.
Located in Integration Topics / Grid Integration Studies / Grid Integration Studies folder
Based on more than 8 years of work by the IEA Wind Task 25 (Design and Operation of Power Systems with Large Amounts of Wind Power), this Expert Group Report represents the best available synthesis of current knowledge on conducting large-scale wind integration studies. The recommendations presented in the report are generally applicable to the development of wind integration studies within a variety of country- and/or system-specific contexts. The report also contains a section-by-section reference list of technical literature for further reading.
Located in Integration Topics / Grid Integration Studies / Grid Integration Studies folder
This white paper provides guidance for Mexico’s electricity system planners and other stakeholders on how to develop a comprehensive grid integration study. Drawing from the IEA’s Expert Group Report on Recommended Practices 16. Wind Integration Studies, this report contextualizes recommendations and best-practices specifically to support Mexico’s goals of increasing the contribution of RE to the nation’s electricity supply. Throughout the report, the authors provide expert insights into how Mexico can prioritize near-term versus long-term data collection, analyses, and other actions to understand and address the impacts of higher wind and solar penetration levels associated with Mexico’s 35% by 2024 RE goal.
Located in Integration Topics / Grid Integration Studies / Grid Integration Studies folder
ESIG—a forum for practitioners that provides resources for information on the status of wind and solar technology deployment—curates a list of grid integration studies and summary reports. Many reference documents for the studies cited in the Grid Integration Study Examples below (among others) can be found in this library.
Located in Integration Topics / Grid Integration Studies / Grid Integration Studies folder
This study analyzes the ability of the Eastern Interconnection of the United States, one of the largest power systems in the world, to accommodate high penetrations of wind and solar power. Using advanced modeling and computing techniques, the project team simulated the large-scale adoption of wind and solar energy at a temporal resolution up to 5 minutes. The study represents the cutting-edge of power system modeling, employing a high spatial resolution to include all synchronous components of the Eastern Interconnection. Results suggest that the Eastern Interconnection can reliably integrate upwards of 30% variable renewable energy in the power mix. However, meeting the 30% target will require increased balancing area coordination, incentives for transmission and generation to provide necessary ancillary services, and increased flexibility of traditional generators. In addition to the technical report, the full dataset as well as animations showing net interchange for two study scenarios are available for free download.
Located in Integration Topics / Grid Integration Studies / Grid Integration Studies folder
The Western Wind and Solar Integration Study examines the benefits and challenges of integrating significant wind and solar energy to the Western Interconnection, which covers the power system operated by the WestConnect group of utilities in Arizona, Colorado, Nevada, New Mexico and Wyoming. The study consists of three phases. Phase 1 investigates the operational impacts of increasing the penetration of wind, solar photovoltaics (PV), and concentrating solar power to up to 35% in 2017. Phase 2 analyzes the wear-and-tear costs and emissions impacts associated with increased cycling by conventional generation due to wind and solar integration. Phase 3 evaluates the transient stability and frequency response of the Western Interconnection under high penetration solar and wind scenarios and identifies ways to mitigate adverse impacts through transmission reinforcements, storage, advanced control capabilities, and other mechanisms.
Located in Integration Topics / Grid Integration Studies / Grid Integration Studies folder
The Eastern Wind Integration Transmission Study examines the operational impact of up to 20-30% wind energy penetration in the Eastern Interconnection, one of the three synchronous grids in the contiguous United States. The study addresses a variety of issues related to wind energy and transmission development, including the costs, impacts, and enabling mechanisms (e.g., geographic diversity, forecasting, operating reserves) associated with significant wind penetration. A follow-on study, the Eastern Renewable Generation Integration Study, is anticipated to be released in winter, 2015.
Located in Integration Topics / Grid Integration Studies / Grid Integration Studies folder
Initiated by the European Network of Transmission System Operators for Electricity (ENTSO-E), this study evaluates transmission-related challenges associated with four wind penetration growth scenarios (no wind growth from 2008 levels, best estimate of wind growth, optimistic but feasible growth, and growth when further grid enhancements are made beyond 2015). The study includes recommendations related to network finance, reinforcements, grid security and flexibility, consents, coordinated operation, grid code, network access rules, market development, offshore grids, and control of wind generation.
Located in Integration Topics / Grid Integration Studies / Grid Integration Studies folder
Developed in response to the ambitious RE targets established by the Hawaii Clean Energy Initiative, the Hawaii Solar Integration Study evaluates the operational impacts of high penetrations of solar PV (including both centralized and distributed PV) on the electricity grids of two Hawaiian islands: Maui and Oahu. The two islands provide examples of small power grids with differing levels of firm and RE capacity. The study examines variability, the ability to curtail power output, grid support, and load characteristics in the context of increasing variable RE on these systems. The technical reports underlying the summary are available here.
Located in Integration Topics / Grid Integration Studies / Grid Integration Studies folder
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