A part of the first DEWmocracy promotion, it was released in stores on May 19, 2008 as a limited edition flavor so that people could taste test which flavor they like best before voting. Voltage was announced to be the winner with 42% of all votes on August 17, 2008. It was officially released as a permanent flavor on December 29, 2008.
A Diet Voltage was released in 2011 as a part of the “FanDEWmonium” promotion and made it to the finals with Diet Mountain Dew Supernova, meaning it had a limited release in U.S. stores while voting took place, until Diet Supernova was revealed to be the winner. It came in second in voting, against Diet Mountain Dew Supernova with 45% out of all votes.
It was later released in New Zealand in 2011 under the name “Electro Shock” and described as a “charge of wild berry flavor.”