Shiny Helioptile and Tapu Koko make their debut during the Crackling Voltage event starting January 27th at 10am local time : r/TheSilphRoad

Shiny Helioptile in Crackling Voltage Event in Pokemon GO

Pokemon GO January 23-29 (2023): Lunar New Year ends, Crackling Voltage event, and more

Pokémon Go's Crackling Voltage event debuts two new Shiny versions - Video Games on Sports Illustrated

Bzzt! Shiny Helioptile and Shiny Tapu Koko bring the thunder in the Crackling Voltage event; Team GO Rocket activity also detected – Pokémon GO

Crackling Voltage Event

Pokémon Go's Crackling Voltage event debuts two new Shiny versions - Video Games on Sports Illustrated

Pokémon Go's Crackling Voltage event debuts two new Shiny versions - Video Games on Sports Illustrated

Pokémon Go 'Crackling Voltage' event guide, field research - Polygon

Pokemon Go Crackling Voltage Research and Event Guide - Pokemon GO Guide - IGN