Solar System Calculator

Instructions & Assumptions

This calculator provides estimates for preliminary planning. A detailed site survey and professional design by a qualified solar installer are essential before any installation.

• Enter client-specific data and system assumptions in Section 1.
• Default values are provided based on common scenarios but should be verified.
• The KES per kWh rate is crucial for accuracy. Default is 25 KES/kWh.
• Peak Sun Hours (PSH) default is 4 hours/day. Adjust for local conditions.
• System Loss Factor default is 0.4 (40% loss / 60% efficiency).
• Inverter sizing is dynamic based on battery bank capacity.