Embodied Energy of Seed Home: Difference between revisions
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Wood embodied energy of wood is: | Wood embodied energy of wood is: | ||
150 lb per panel. 32 panels, times equiv. max for floor and roof. 4800 lb x3 = 15000 lb of wood. | 150 lb per panel. 32 panels, times equiv. max for floor and roof. 4800 lb x3 = 15000 lb of wood. Or 7000lb * 8MJ/kg = 56 GJ. | ||
56 * 300 KWhr = 16,000 kWhrs. | |||
Panels are 5 kWhrs. About [[Insolation]] - 9125 kwHrs/year. So energy payback is about 2 years. | |||
Revision as of 21:16, 20 August 2020
Wood embodied energy of wood is:
150 lb per panel. 32 panels, times equiv. max for floor and roof. 4800 lb x3 = 15000 lb of wood. Or 7000lb * 8MJ/kg = 56 GJ.
56 * 300 KWhr = 16,000 kWhrs.
Panels are 5 kWhrs. About Insolation - 9125 kwHrs/year. So energy payback is about 2 years.