I don't think it's fair to directly compare diesel fuel to natural gas, because one is portable in just about any container (in a real emergency), the other is not.
http://www.datacenterknowledge.com/archives/2012/10/31/peer-1-mobilizes-diesel-bucket-brigade-at-75-broad/ On Fri, Dec 2, 2016 at 5:49 PM, Chuck McCown <[email protected]> wrote: > I am assuming a BTU of fuel will make so many Wh of energy. > > If perfectly efficient 1M BTU =292.3 kWh > That would cost me *$35* from the power utility. > > A gallon of diesel is abou $3.25 around here. 139000 btu. > Diesel then is about $23 per 1M btu. > However diesel engines are only 30% efficient so it will cost me *$76* in > fuel to make that 292.3 kWh > > If that assumption is approximately correct: > I pay about $7.80 per decatherm in the winter for NG. A decatherm is 1 > million btu > About half that in summer. > > $7.80/.3= *$26*/293.3 kWh for NG not considering depreciation and maint > of the generator. > > It seems to me that NG is the hands down fuel cost winner? Anyone see > mistakes in this? > >
