The Powers House is a premium building released with the Level 54 update on June 17, 2015. Upon completion Laura Powers is unlocked.
On February 8, 2017 during the Valentine's 2017 Promotion, it was a possible prize in the Date Night Mystery Box. On February 12, 2018 during the Valentine's 2018 Promotion and on January 23, 2019 during the Love, Springfieldian Style 2019 Event it was once again a possible prize in the Date Night Mystery Box.
On August 1, 2018 during the Moe's Ark 2018 Event, it was a possible prize in the Zoo Gift Shop Mystery Box.