The lawmaker made the announcement on the floor of the House on Tuesday.
Peller dumped the All Progressives Congress (APC) last week.
The businessman said they were numerous options, but AP was chosen “for very peculiar reasons”.
Peller said the party has shown an unwavering commitment to the yearnings of the people of Oke-Ogun.
“On the ballot paper, Accord comes first before the two major parties. With Accord as our party, voting sensitization becomes easier for us to do.
“Today, I would like to inform the general public that I am now with the Accord party. The logo of the Accord constantly reminds me and other well-meaning Nigerians of their civic responsibility – to vote for credible leaders.