Project Details
Project Title: 5kW Fully Off-Grid Residential Solar Installation – Githunguri, Kiambu County Client Type: Residential Location: Githunguri, Kiambu County, Kenya System Type: Fully Off-Grid Solar Power System ________________________________________ Project Overview Billson Solar successfully designed and installed a 5kW fully off-grid solar system for a residential home in Githunguri. The client was experiencing: • High and unpredictable electricity bills • Frequent power outages • Disruptions to daily household activities Our goal was to eliminate grid dependency while ensuring the entire home operates smoothly — including high-load appliances and essential systems. Today, the home runs 100% on solar energy. ________________________________________ System Configuration Inverter 5kW Deye Hybrid Inverter • Efficient load management • Reliable off-grid performance • Warranty: Up to 5 Years Battery Storage 5kWh Dyness Lithium Battery • Long lifecycle performance • Stable night-time and cloudy day backup • Warranty: 10 Years Solar Array 4.92kWp Jinko Bi-Facial Solar Panels • High-efficiency dual-sided generation • 25-Year Performance Warranty • Installed on a raised structure serving as both a solar array and a functional car park/shed ________________________________________ Appliances Powered The system comfortably supports the entire household, including: • Microwave • Refrigerator • Washing machine • Water pump • Electric fence • Lighting and general sockets The inverter capacity and battery storage were carefully sized to handle both essential and high-demand appliances. ________________________________________ Key Benefits Delivered 1. Complete Grid Independence The client no longer relies on unstable grid power. 2. Elimination of High Electricity Bills Monthly electricity expenses have been significantly reduced to zero grid dependence. 3. 24/7 Reliable Power The home now experiences uninterrupted power, even during regional outages. 4. Improved Security & Convenience Critical systems like the electric fence and water pump operate consistently. 5. Added Property Value The elevated bi-facial solar installation doubles as a car park/shed, maximizing space while generating power. 6. Long-Term Peace of Mind • 5-Year inverter warranty • 10-Year battery warranty • 25-Year panel performance warranty ________________________________________ Project Outcome This installation demonstrates how a properly designed off-grid solar system can: • Replace unreliable grid power • Protect homeowners from rising electricity costs • Deliver long-term energy security • Increase overall property functionality and value The client now enjoys stable, clean, and independent power — powered entirely by the sun.