In 1998, the alliance, with some additional teams, reconstituted itself as the World Indoor Soccer League (WISL).

[1] The team played in the Arizona Veterans Memorial Coliseum.

Many of the players grew up and played youth soccer in AZ including Randy Soderman, Rick Soderman, Jason Vanacour, Milo Iniguez, Mark Kerlin, Derick Brownell, Kenneth Wright (Thea), Sasha Hunter, Dave Cameron, Kevin Berry, Donny Gaillard, Greg Veatch along with many implants like Milos Tomic, Chris Sagar, Roger Salazar, Victor Gilgan,Chris Scotti, Tom Bratcher and the Dunn Brothers.

During the Thunder's three years in the WISL they averaged attendance of 4,261 fans per game.

John Ogden (Phoenix Power Soccer Club, Inc) 1998–2000