Distrigas of Massachusetts (DOMAC) has filed with the FederalEnergy Regulatory Commission to construct four new high-poweredvaporizers to deliver 280 MMBtu/d of regassified LNG to a new1,550 MW Mystic Station power plant to be built by Sithe Industriesin Everett, MA. (CP00-447).

The new vaporization facilities will consist of four submergedcombustion vaporization units , each having a send-out capacity of150,000 MMBtu/d. At a minimum, three of the units will serve theMystic plant, which is adjacent to the DOMAC gasification plant.The power plant is under construction and 40% complete. DOMACintends to operate the units at less than maximum capacity so thatif one has to be taken out of service for maintenance the tworemaining can operate at full capacity to serve the Mystic plant.

The fourth vaporizer would serve as additional back-up for theMystic plant and also for DOMAC’s other vaporization units.Currently, during peak periods DOMAC operates at full capacity withlittle or no back-up. DOMAC plans to construct tie-ins to integratethe new units with its existing vaporization system. Additionally,the company would construct a connection with the Boston Gassystem. The company said it would not seek cost-based recoverythrough existing rates. DOMAC has requested FERC approval by Feb.1, 2001 so the new units can be in service by Nov. 1, 2001.

Ellen Beswick

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