TechAdvantage | THE technology event for electric co-op professionals, 2021 TechAdvantage® Experience The 2021 event will be held virtually over the course of four days on February 23 and 24, and on March 2 and 3. For detailed event information and to register for the 2021 TechAdvantage Experience, please visit www.cooperative.com. 2021 TechAdvantage® Expo.