Midcontinent Independent System Operator (MISO), one of North America’s largest regional transmission organizations, implemented Powertech’s TSAT module to support dynamic stability assessment and operational modeling. The software enabled automation of thousands of contingency studies, helping MISO improve planning efficiency and system modeling accuracy—leading to an estimated $31 million in annual cost savings. TSAT continues to play a foundational role in MISO’s system-wide grid reliability strategy.