EXHIBIT 23.2 CONSENT OF INDEPENDENT PETROLEUM ENGINEERS We hereby consent to all references to Ryder Scott Company, L.P. in Alliant Energy Corporation's Form 10-K and to the incorporation by reference into Alliant Energy Corporation's previously filed Registration Statements on Form S-8 (Nos. 333-41485, 333-46735, 333-51126 and 333-92783) and Form S-3 (Nos. 333-26627, 333-65674 and 333-70964). /s/ Ryder Scott Company, L.P. ----------------------------- Ryder Scott Company, L.P. March 19, 2002