Exhibit 23.2 CONSENT OF NETHERLAND, SEWELL & ASSOCIATES, INC. As independent petroleum consultants to The Houston Exploration Company and KeySpan Exploration and Production, LLC, we hereby consent to the incorporation of our report included in this form 10-K of KeySpan Corporation and into KeySpan Corporation's previously filed Registration Statements File Nos.: 333-53657, 333-53765, 333-920003, 333-79151, 333-40472, 333-43768, 333-60294, 333-82230, and 333-104230. NETHERLAND, SEWELL & ASSOCIATES, INC. By: /s/ ------------------------ J. Carter Henson, Jr. Senior Vice President Houston, Texas March 10, 2004