A recent 22-Million-Kilowatthour contract for electricity recently represented OnDemand Energy Solutions` largest online retail energy transaction ever. Pittsburgh, Pa.-based OnDemand Energy Solutions, announced that Parkway Center Office Complex, recently selected OnDemand`s e-commerce energy procurement service to buy electricity for 14 of its energy accounts. By using a unique Internet auction approach powered by Enermetrix.com, OnDemand can negotiate in real-time with a broad range of qualified energy suppliers. By eliminating the need to write time-consuming request for proposals, meeting with sales people, negotiating terms or reviewing complex energy contracts, OnDemand is able to save its customers both time and money by instantly locking in purchases for their customers when market conditions are optimal. OnDemand Energy Solutions is a wholly owned subsidiary of Duquesne Enterprises (Parent, DQE, Inc. NYSE: DQE) is a licensed electric generation supplier in the state of Pennsylvania.