September 6, 2019
The Electric Reliability Council of Texas (ERCOT) is the system operator for most of Texas. The ERCOT Interconnection is an electric island grid with limited Direct Current (DC) Tie connections to the Mexican and Eastern US Interconnections. ERCOT today has more than 22 GW of installed wind and roughly 2 GW of utility-scale solar and is recognized worldwide for identifying best practices in reliably integrating and efficiently managing large amounts of renewables on an island grid. ERCOT’s best practices lie in what we call the four pillars of reliable and efficient integration of Inverter-Based Renewable Resources (IBRR): Grid Codes, Forecasting, Ancillary Services, and Real-Time Operation. IBRRs bring increased levels of uncertainty…
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