Welcome to the PV System Lifetime Cost Calculator! This tool will help you calculate the Total Ownership Cost of your PV system and the Lifecycle Costs over the next 25 years. The inverter plays the most significant role in the sustainability of the overall system, optimum power yield and maximum return on investment. Below, please select the type of inverter your system currently has or will have to begin the Total Ownership Cost calculation.

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System Size Watts
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Initial Cost vs Lifetime Cost

Lifetime Costs

Inverter Service Fees
Inverter Replacement
System Engineering
Interconnection Update*
Additional BOS