Return on Investment

KWH Generation P/month


System Cost (R)


Annual Eskom Tarrif Increase (%)

Please Note:

• This generated graph is an estimated Return on Investment excluding rates of Inflation
• The graph does not include battery or inverter replacements
• Lithium-Ion batteries have a lifespan of 6000 cycles (~16 Years @ 1 cycle p/day). Warrantees usually given from 5-10 years
• Inverters have a lifespan of 10 years with warrantees given from 5-10 years
• Solar Panels have a lifespan of 25-30 years with most manufactures giving a 25 Year warranty for them to be 80% efficient at year 25