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If we are talking about being green, what is the carbon footprint of manufacturing all those things vs the equivilent carbon to geberate thr electricity the sol
by sand500 9y ago
If we are talking about being green, what is the carbon footprint of manufacturing all those things vs the equivilent carbon to geberate thr electricity the solar panels provide?
- seveneightn9ne 9y agoThat's at the bottom of the article: Production footprint PV multicristalline: 4200kWhee/kW [1] * 0.1kW = 420kWh embodied energy Production footprint lead-acid battery: 321kWhee/kWh [1] * 0.5kWh = 161kWh embodied energy Total Footprint: 581kWh Annual energy production system: 155kWh/y Payback period: 581kWh / 155kWh/y = 4+ year footprint payback