Off-Grid Solar Calculator

Size your off-grid solar system for Nairobi using real irradiance data, current equipment pricing, and KPLC tariff comparison.

1
Energy Assessment
2
System Design
3
Financial Analysis

How much energy do you need?

Choose a quick estimate based on home size, or do a detailed appliance-by-appliance audit for precision.

Quick Estimate
Based on home size and typical usage
🔍
Detailed Audit
Select each appliance for precision

Irradiance data: Nairobi hourly (365 days) · KPLC tariffs: EPRA schedule effective July 2025, levies as of Feb 2026 · Equipment pricing: Kenya market research, May 2026 · LiFePO4 battery, 85% DoD, 6000+ cycle life · All estimates are indicative — get a professional site assessment for final sizing.