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Fuel Cell

The greatest advantage of STS over Fuel Cells is operational cost.

  • Fuel Cell systems cost about $6/Watt.  
  • Fuel cost will exceed capital cost every 5-6 years
  • High maintenance / consumables costs
  • Output declines rapidly with time
  • Manufacture is energy intensive
  • Toxic chemicals required during manufacture
  • Clean-room product
  • Fragile components, susceptible to fuel impurities. 
  • Replacement components must be matched to existing components

In all fairness, Fuel Cells have some advantages too.

  • Quiet / Silent
  • Few moving parts
  • Efficiency is about 90% in the cores, and about 92% at the inverter.
  • On demand, emergency, and high reliability applications






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Updated: 09/11/10 19:31