Democratic convention organizers outlined more details on Wednesday for the second day’s lineup of speakers, naming a handful of Senators and governors to highlight presidential hopeful Sen. Barack Obama’s (Ill.) positions on energy and the economy.

Obama’s campaign tapped six popular Democratic governors as well as Sen. Bob Casey (Pa.) and former Energy Secretary Federico Peña to share the spotlight on those issues on Aug. 26, day two of the four-day nominating event. Tuesday will also feature the keynote speaker, Senate hopeful and former Virginia Gov. Mark Warner and one-time presidential candidate Sen. Hillary Rodham Clinton (N.Y.).

The governors who also will take the stage are Kansas’ Kathleen Sebelius, who is also a convention co-chairwoman, Arizona’s Janet Napolitano, Ohio’s Ted Strickland, Pennsylvania’s Ed Rendell, Massachusetts’ Deval Patrick and Montana’s Brian Schweitzer.

Convention organizers said the Tuesday speeches will focus on Obama’s economic plan, how the “failed economic policies of the last eight years have betrayed our values,” how a strong economy cannot exist with a weak middle class and the nexus between energy and the economy.