. The Millennium pipeline will serve major customers who include KeySpan Energy Delivery Long Island, Consolidated Edison of New York, Columbia Gas Transmission Corporation, and Central Hudson Gas and Electric Corporation. Millennium will serve markets along its route in the Southern Tier and lower Hudson Valley, as well as providing essential service to the New York City markets through its pipeline interconnections. Millennium is jointly owned by affiliates of NiSource, KeySpan Corporation, and DTE Energy.