
Power Grid Operator Exam Prep
For NERC Certification Tests
About
Prepare for NERC System Operator Certification exams with this comprehensive training tool. It offers practice questions, mock exams, and a realistic control-room simulator to assess your readiness and identify weak areas. All content is based on official NERC guidelines and standards.
What's New in Power Grid Operator Exam Prep
1.4.2
October 29, 2026
Grid Prep has a new icon: a frequency trace recovering to 60 Hz across a control-room dial. Everything else is as in 1.4.1: the simulator on Home, exam-day mock papers and iCloud sync.
MoreSubscriptions & In-App Purchases
$24.99
Full Access
Every question, mock paper and trainer, unlocked
Developer apps
FAQ
What NERC certifications does Power Grid Operator Exam Prep cover?
Power Grid Operator Exam Prep covers the four System Operator Certification examinations of the North American Electric Reliability Corporation (NERC): Reliability Coordinator (RC), Balancing, Interchange and Transmission (BT), Transmission Operator (TO), and Balancing and Interchange (BI).
How does Power Grid Operator Exam Prep simulate the actual exam scoring?
The app projects your score out of the total paper and ranks weak areas by how many scored questions they are costing you, mirroring NERC's absolute cut score system rather than a percentage.
What is included in the Control-Room Simulator feature?
The simulator offers nine scenarios where you can take a shift at the BA, TOP, or RC desk. It presents realistic system models and decision points, followed by a debrief that counts your met obligations against standards.
How many practice questions are available in Power Grid Operator Exam Prep?
The app contains 1,224 original practice questions, all written from freely published NERC sources and checked for accuracy. These questions are tagged with NERC's cognitive levels: recall, application, or analysis.
What is the pricing model for Power Grid Operator Exam Prep?
The app is free to start, offering 50 practice questions, one mock paper, one simulator run, and all library cards. Full Access is a one-time in-app purchase that unlocks all content without a subscription.
On which devices can I use Power Grid Operator Exam Prep?
Power Grid Operator Exam Prep is available on Mac, iPhone, and iPad, allowing you to study across multiple Apple devices.
How often is Power Grid Operator Exam Prep updated?
The app was last updated on October 4, 2026, indicating a commitment to maintaining and improving the training content. The latest version is 1.4.
What is the user sentiment for Power Grid Operator Exam Prep?
Based on the provided data, the app has a perfect rating of 5.0 stars from 2 ratings, suggesting a very positive user experience among its current users.









