Power blackouts need not interrupt normal routines such as keeping phone circuits and hotel electric systems operating. Using energy sources produced through the concept of distributed generation, Verizon Communications and a Hilton Hotel outside of Gary, Ind., may soon be able to operate regardless of whether these facilities are receiving electricity from the power grid. Distributed generation produced on-site uses fuel cells, microturbines or natural gas-fired reciprocating engine electric systems to produce electricity. In addition, these systems use what would otherwise be waste heat to provide heating or cooling to the facilities, making greater use of the fuel energy.
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