Newpower, 25, played the entire 2022-23 season with the American Hockey League's Grand Rapids Griffins, recording seven points (2-5-7) and 68 penalty minutes in 59 games. The 6-foot-3, 207-pound defenseman also spent the 2021-22 campaign with the Griffins, tallying 10 points (3-7-10) and 54 penalty minutes in 55 contests. He skated in 24 games as a first-year pro with the AHL's Cleveland Monsters in 2020-21, producing 10 points (3-7-10), a team-high plus-10 rating and 14 penalty minutes. In total, Newpower has compiled 27 points (8-19-27), a plus-six rating and 136 penalty minutes in 138 AHL games between the Monsters and Griffins.