Midcontinent Independent System Operator (MISO) is an independent, not-for-profit organization that delivers safe, cost-effec ... tive electric power across 15 U.S. states and the Canadian province of Manitoba. MISO is committed to the reliable, non-discriminatory operation of the bulk power transmission system and collaborating with all stakeholders to create cost-effective and innovative solutions for our changing industry. MISO operates one of the world’s largest energy markets with approximately $22 billion in annual gross market energy transactions. read more