25 30 35 40 45 50 55 60 65 Power Plants

Figure 1: PC2S Power Plant Operating Time

The reliability and durability experience confirms the superiority of the phosphoric acid fuel cell technology compared to conventional equipment used for on-site service. Operation of many units in the initial fleet for periods in excess of the overhaul period for reciprocating engines and a mean time between forced outage which is more than double that of conventional equipment in this rating class and application demonstrates the phosphoric acid fuel cell power plant can provide superior availability and maintenance cost characteristics when product cost matures. This comparison is made at a time when the deployment of the product is still at an early stage, and before results of lessons learned from this deployment which have been applied to the latest power plant model, have had the opportunity to be demonstrated. IFC and ONSI expect the operating record of our new power plant model to show considerable improvement over the results obtained to date and also expect that model to continue to improve.

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