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Project: T193700 #3138

The global power industry is rapidly evolving due to the proliferation of new technologies and energy sources. Variable renewable energy (vRE) sources, such as wind and solar PV, now represent the leading form of new generation capacity installations globally. In many regions, vRE can be the largest source of generation on the grid during much of the year. While the industry’s knowledge and operational experience has advanced significantly over the past decade, there are still technical challenges with the grid’s transition to a large percentage of renewable generation.

Given the rapid changes in the electric power sector and the unique challenges posed by high-inverter based penetration of vRE, this report is intended to provide guidance to key stakeholders, including utility staff, regulators, policy makers, and technology vendors involved in both operating and planning the grid. Specific attention is given to managing the power system during periods of low or moderate net demand with a significant amount of self-scheduling renewable generation online, much of which is inverter-based.

These conditions often occur during light load, high wind and solar events, and have the potential to challenge real-time system operations, requiring novel approaches to maintaining grid stability. While many policy makers and renewable energy advocates plan for a future where wind and solar become the primary source of electricity on our grids, there are times and places where this is already occurring today. Engineering and operations are already challenged with instantaneous wind and solar penetration pushing the frontier of the industry.


Renewable Integration, Wind, Solar, Variable Renewable Energy, Inverter Based Resources, Grid Stability, Grid Planning, Grid Operations, Inertia, Grid Strength.