Get charged up for the Crackling Voltage event! Stay alert, Trainers! There have been reports that Team GO Rocket might be trying to cause a shock with new Shadow Pokémon.

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

Trainers,
Things are about to get electric with the Crackling Voltage event! Electric-type Pokémon will appear more frequently in the wild, and Trainers can look forward to the Legendary Pokémon Tapu Koko, a guardian deity of the Alola region, returning in Five-Star raids. Also, for the first time in Pokémon GO, you’ll be able to encounter Shiny Helioptile and Shiny Tapu Koko—if you’re lucky!

We have also received reports that Team GO Rocket might try to spark some trouble with new Shadow Pokémon soon. Stay alert, Trainers!

Crackling Voltage

Friday, January 27, 2023, at 10:00 a.m. to Sunday, February 5, 2023, at 11:59 p.m. local time

Wild encounters

The following Pokémon will appear more frequently in the wild. Also, for the first time in Pokémon GO, you’ll be able to encounter Shiny Helioptile—if you’re lucky!


Ekans , Magnemite , Grimer , Electrike , Stunky, Blitzle , Ferroseed , Helioptile , Grubbin
Some Trainers might even encounter the following: Beldum , Dedenne

: If you’re lucky, you might encounter a Shiny one!

Raids

The following Pokémon will be appearing in raids. Also, for the first time in Pokémon GO, you’ll be able to encounter Shiny Tapu Koko—if you’re lucky! Helioptile in these raids will have a greater chance of being a Shiny Pokémon than Helioptile found in the wild.


One-star raids: Alolan Grimer , Shinx , Bronzor , Klink , Helioptile
Three-star raids: Venomoth, Galarian Weezing , Jolteon, Mawile
Five-star raids: Tapu Koko^ , Registeel*
^Tapu Koko will appear in raids from Wednesday, January 25, 2023, at 10:00 a.m. to Wednesday, February 1, 2023, at 10:00 a.m. local time.
*Registeel will appear in raids from Wednesday, February 1, 2023, at 10:00 a.m. to Wednesday, February 8, 2023, at 10:00 a.m. local time. Registeel caught during the event will know the Charged Attack Zap Cannon.
Mega Raids: Mega Gengar^ , Mega Aerodactyl*

: If you’re lucky, you might encounter a Shiny one!
^Mega Gengar will appear in raids from Wednesday, February 1, 2023, at 10:00 a.m. to Wednesday, February 8, 2023, at 10:00 a.m. local time.
*Mega Aerodactyl will appear in raids from Wednesday, January 25, 2023, at 10:00 a.m. to Wednesday, February 1, 2023, at 10:00 a.m. local time.

Eggs

The following Pokémon will hatch from 7 km Eggs. Helioptile hatched from these Eggs will have a greater chance of being a Shiny Pokémon than Helioptile found in the wild.


Alolan Sandshrew , Skarmory , Blitzle , Stunfisk, Galarian Stunfisk , Helioptile , Dedenne

: If you’re lucky, you might encounter a Shiny one!

Field Research task encounters

The following Pokémon will be available to encounter when you complete Field Research tasks.


Voltorb , Hisuian Voltorb, Plusle , Minun , Emolga, Helioptile

: If you’re lucky, you might encounter a Shiny one!

Team GO Rocket takeover

From Wednesday, February 1, 2023, at 12:00 a.m. to Sunday, February 5, at 11:59 p.m. local time.

Save Shadow Registeel!

Giovanni’s iron will is strong as ever, and this time his plot includes using Shadow Registeel! A new Special Research story will be available at the beginning of this event. Progress through it to receive a Super Rocket Radar and chase down Giovanni!

The Special Research will be available to claim until the end of Season 9: Mythical Wishes on March 1, 2023, at 10:00 a.m. local time.

Event Bonuses

: Team GO Rocket will appear more frequently at PokéStops and in balloons.
: You can use a Charged TM to help a Shadow Pokémon forget the Charged Attack Frustration.

Shadow Pokémon

Team GO Rocket Grunts—as well as their leaders Sierra, Cliff, and Arlo—are using different Shadow Pokémon. Help Spark, Blanche, and Candela overcome their adversaries and rescue the Shadow Pokémon!

In addition, Team GO Rocket has also turned the following Pokémon into Shadow Pokémon. Defeat Team GO Rocket Grunts to save them!

Eggs

The following Pokémon will hatch from 12 km Eggs. The following Pokémon can currently only be hatched from 12 km Eggs: Sandile, Pawniard, Vullaby, Pancham, and Salandit. Trainers can earn 12 km Eggs by defeating Team GO Rocket leaders.


Larvitar , Absol , Skorupi , Sandile, Scraggy, Pawniard , Vullaby , Deino , Pancham, Skrelp, Salandit

: If you’re lucky, you might encounter a Shiny one!

Field Research

A Field Research task awarding a Mysterious Component will be available.

Source: https://pokemongolive.com/en/post/crackling-voltage-team-go-rocket-takeover/