Grid Enhancing Technologies
- Feb 26, 2021 1:24 pm GMT
Report by Brattle:
Goal: Analyze how much additional renewables can be added to the grid using Grid-Enhancing Technologies (GETs):
GETs enhance transmission operations and planning.
GETs complement building new transmission—they can bridge the timing gap until permanent expansion solutions can be put in place.
While there are various types of GETs, this study focuses on the combined impact of the following three technologies: –
*Advanced Power Flow Control: Injects voltage in series with a facility to increase or decrease effective reactance, thereby pushing power off overloaded facilities or pulling power on to under-utilized facilities.
*Dynamic Line Ratings (DLR): Adjusts thermal ratings based on actual weather conditions including, at a minimum, ambient temperature and wind, in conjunction with real-time monitoring of resulting line behavior. –
*Topology Optimization: Automatically finds reconfiguration to re-route flow around congested or overloaded facilities while meeting reliability criteria.
Goal: Analyze how much additional renewables can be added to the grid using Grid-Enhancing Technologies (GETs): Use the Southwest Power Pool (SPP) grid (focused on Kansas and Oklahoma, looking at 2025) as an illustrative case study. – SPP Generation Interconnection Queue* (GI Queue) shows ~9 GW of renewable resources with an Interconnection Agreement (IA) executed in Kansas and Oklahoma. – SPP Integrated Transmission Planning (ITP) Reports** show high congestion. Results metrics for the combined (not for individual) three GETs include: – Renewables added (capacity [GW] and energy [GWh]). – Economic benefits (production costs, investments, jobs, etc.) – Carbon emissions reduction
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