Renewable Energy Calculator
Calculate the carbon emissions avoided by generating or purchasing renewable energy compared to grid electricity.
Energy Source
Typical: Solar 20-30%, Wind 30-45%, Hydro 40-60%
Carbon Impact
Lifetime CO2 Avoided (Net)
177.98 tonnes
1,77,977 kg over 25 years
Annual Generation
21,900 kWh
Lifetime Generation
5,15,875 kWh
Carbon Comparison (g CO2/kWh)
Solar (LCA)41 g
Grid electricity386 g
Carbon Payback Period
1.6 years
Annual Equivalents
Cars taken off road1.5/year
Homes powered (equiv.)0.9/year
Trees planted equiv.8,009
Economic Value
Estimated install cost$12,000
Lifetime energy value$51,588
Carbon value ($50/t)$8,899
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