Test your Power Grid IQ Do you know your synchrophasors from your microgrids? Test your knowledge of the electric grid with our grid IQ test. Your Score: Ouch. We hope it doesn't come as a shock that you need to brush up on your knowledge. Our grid infographic should help. Your grid IQ could use some work. Check out our grid infographic and then try again. Good job! You know your transformers from your substations, but you could brush up on a few facts.That's what our grid infographic is for. Whoa, you're smarter than a smart meter! You probably already know all this, but check out our grid infographic as a refresher.