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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 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
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
This report discusses system operations and investment in liberalized electricity markets in which greater variable RE and energy efficiency resources are being deployed. It overviews current and foreseen challenges and possible policy and regulatory solutions to improve the cost efficiency and flexibility of the grid. Chapter 3 (pg. 36) outlines operational challenges associated with significant variable RE penetration.
Located in Integration Topics / System Operations Improvements / System Operations Improvements folder
This report, commissioned by the Western Governors’ Association in the United States, provides an assessment of system operational measures that could reduce costs of wind and solar integration to the end-users. The report identifies challenges to adopting these measures and recommendations for action at the state level. Especially useful are the high-level and accessible explanations of these operational measures.
Located in Integration Topics / System Operations Improvements / System Operations Improvements folder
This report reviews grid interconnection codes that relate to the performance of wind turbines, as well as requirements that can validate wind farm and turbine performance. Also reviewed are modeling requirements for simulating the performance of wind farms in the power system. Specifically, the authors examine grid codes from the UK, Germany, Denmark, Spain, Texas, Canada, and Europe.
Located in Integration Topics / System Operations Improvements / System Operations Improvements folder
This report details case studies of Spain, Germany, Denmark, and several balancing areas in North America and looks at the specific systems operational measures undertaken to integrate variable RE. The case studies examine how systems operators improved their situational awareness, ability to assess real-time reliability and risks, and decision support processes.
Located in Integration Topics / System Operations Improvements / System Operations Improvements folder
Video Integrating Variable Renewable Energy into the Grid: Key Issues and Emerging Solutions
This webinar reviews the challenges to integrating significant quantities of variable renewable energy to the grid as well as the emerging solutions that policymakers, regulators and grid operators have taken to integrate wind and solar and meet renewable energy targets. Webinar participants learn about the myths, misperceptions, costs and options for scaling up grid-connected renewable energy, as well as the Greening the Grid website and technical assistance opportunities.
Located in Trainings / Webinars
Utilities worldwide are concerned about the financial impact of increasing distributed PV adoption among their retail customers. This report analyzes the impact of distributed PV deployment on distribution utility revenues and retail electricity tariffs in Thailand. It provides policymakers, utilities, and other energy practitioners a real-world example of how distributed PV affects certain stakeholders.
Located in Integration Topics / Distributed Generation / Distributed Generation folder
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