[2] He had aspired for the 2019 Peoples Democratic Party's House of Representatives ticket [3] for the Etche/Omuma Federal Constituency in 2019, but later withdrew for the eventual winner Chief Ephraim Nwuzi.

In the assembly, Nwogu at various times chaired the house committees on sports (2011) and local government and chieftaincy affairs (2015 and 2019).

Nwogu started his foray into politics when he was first appointed an aide by Monday Onyezonwu, former Caretaker committee chairman of Omuma local government area of rivers state.

Kelechi sponsored and co-sponsored many bills and moved motions as a member of the state house of assembly.

Nwogu led the people of Omuma to Protest against the police Special Anti-Robbery Squad.