Question-1 [10 Points]
What is the threshold level of renewable energy penetration (in percentage) at which the utilities are required to change their engineering and planning strategies?
Question-2 [20 Points]
Enumerate the impacts of large scale renewable penetration on the U.S transmission grid.
Question-3 [40 Points]
During the periods of high penetration, wind and solar energy have to be curtailed. What is the reason for doing this? Provide practical examples.
Question-4 [20 Points]
State the applications of energy storage for integrating intermittent renewable energy sources into the power system.
Note: Description should not exceed 3 pages for each question. The text should be in Century School, font size-12 with single spacing. You can include figures and tables.