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This study explores technologies that can provide control of active power output from wind power. The study assesses how active power control technologies impact production costs, wind power revenue streams, and the overall reliability and security of the power system. The authors find that wind turbines have great potential to provide automatic power controls. However, careful market and control system design will be needed to realize these benefits.
Located in Integration Topics / System Operations Improvements / System Operations Improvements 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
New Resource - Solar and Wind Participation in Automatic Generation Control Systems
The National Renewable Energy Laboratory (NREL) has released a report titled, "Solar and Wind Participation in Automatic Generation Control Systems." This report focuses on emerging technological and regulatory considerations for using solar and wind generators to provide essential reliability services through participation in area-wide automatic generation control (AGC) systems.
Located in News and Events
Video Australia’s Landmark Renewable Integration Study
Sponsored by EPRI/ESIG/AEMO/NREL, this webinar discusses the Renewable Integrated Study (RIS) for the Australian National Electricity Market (NEM) as it evaluates challenges with the integration of high penetrations of renewable energy resources. This webinar was held on June 1, 2020 at 5:00 p.m. EDT.
Located in Trainings / Webinars
Ancillary service market designs may require changes in systems with greater penetration of variable RE, particularly wind. This paper explores design considerations that take into account economics and engineering. The authors examine current market design, services pricing and cost allocation, changes to existing designs, and the potential for new designs. The report focuses on load following, frequency response, inertial response, and reactive power/voltage control.
Located in Integration Topics / Ancillary Services / Ancillary Services folder
This report examines the three forms of active power controls that wind may be able to support, including synthetic inertial control, primary frequency control, and automatic generation control regulation. These controls contribute ancillary services to the power system. The study analyzes millisecond timeframes to characterize the impact of using wind to provide active power controls on the lifetimes of large wind plants as well as on the broader power system. The authors explore the implications of active power controls on economics and power system engineering control design. They conclude that wind may earn additional revenue and reduce production costs to consumers by providing power control services, and that market design, reliability criteria, and engineering design will impact future opportunities for wind generators to provide these services.
Located in Integration Topics / Ancillary Services / Ancillary Services folder
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