Afterward, Holt revealed a ballpark estimate of the new arena's capacity. He said it will likely be in the 17,000 range, a downgrade from Paycom Center's 18,203 number. The arena will be larger, though, by around 200,000 square feet.

Oklahoma City has officially unveiled the first renderings of the city's new arena project 🏀 The $900M build — which is projected to open in 2028 — will be the future home of the NBA Champion Thunder. @bretjust1t takes a look 🔻 https://t.co/n1tpdpMqKJ pic.twitter.com/w1j9WYuLjf

The Oklahoma City Thunder and Oklahoma City officials unveiled renderings of the new arena at Mayor David Holt's State of the City address Wednesday.