View Single Post
Old 05-27-2008, 12:00 AM   #39 (permalink)
diesel_john
MP$
 
diesel_john's Avatar
 
Join Date: Jan 2008
Location: SW Ohio
Posts: 595
Thanks: 5
Thanked 19 Times in 14 Posts
Send a message via MSN to diesel_john
Smile

Energy Feasibility
Cost of 1 million Btu's from different energy sources in my area.
elect. 293kw @ $0.10= $29.30
" " " $0.06=$17.58
natural gas 90%eff. 11.1 therms @ $1.378Ccf=$15.69
LPG 90% 12.1 Gals. @ $2.25=$33.97
#2 oil 80% 8.929 Gals. @ $4.00=$35.71
air to air heat pump COP of 1.7, 172.4kw @ $.10=$17.23
geothermal heat pump COP of 4, 73.25kw @ $.10=$7.32

3413 BTU/kw
NG 100,000 BTU/Therm
LPG 91,800 BTU/Gal
#2 140,000 BTU/Gal
  Reply With Quote