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NG vs electric rates.

Posted by tonyzzztony (My Page) on
Tue, Apr 1, 08 at 18:23

I understand one therm has 100000btu's. Does that mean that if I use a internal combustion engine coupled to a generator (assuming 100% efficiency) I'm going to get 100000/3.14=31 Kwh? Where I live the gas costs $1 per therm (delivery and tax included) and electricity costs $.11/kwh. Even at 80% efficiency I'd generate my own electricity at half cost of what my electric company is charging. Something wrong with my math?

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RE: NG vs electric rates.

problem is engine efficency's are only 20-30%

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