G.R.E.A.T. is a start-up consulting company headquartered in Knoxville, Tennessee, which is conveniently located in the heart of the "electrical energy valley" surrounded by several organizations related to electrical energy such as Oak Ridge National Laboratory (ORNL), Electric Power Research Institute (EPRI), Tennessee Valley Authorities (TVA), and University of Tennessee.
G.R.E.A.T. was founded in January 2014 as a LLC providing consulting service to customers from power utilities, independent system operators, large research organizations and large vendors. 
Reactive Power
- Security Assessment
- Volt/Var Control
Smart Grid Technology
- Smart home
- Energy storage
Renewable Energy
- Inegration/ Control
- Optimization/Scheduling
Electricity Market
- LMP Forecasting
- System Planning