Overview
Urban environments in Nigeria—like Lagos, Abuja, and Port Harcourt—present a unique set of challenges for solar installations: limited rooftop space, shading from nearby structures, and complex roof shapes. Jeho Ashar Energy has developed a suite of intelligent mounting and layout solutions to maximize energy yield even under these constraints.
Challenges in Urban Rooftop Solar Installations
Small or irregularly shaped roofs reduce available panel space.
Tall buildings, trees, water tanks, and antennas cause partial shading.
Flat roofs vs. pitched roofs demand different tilt and drainage strategies.
Rooftops may not be structurally designed to handle heavy loads.
Jeho Ashar Energy’s Urban Rooftop Solutions
🧭 7.1 Space-Optimized Mounting Layouts
- Uses landscape orientation and compact rail systems to fit more panels on limited roof area.
- Designs panel arrays to contour around obstructions like HVAC units or skylights.
- Offers east-west bifacial tilt mounts that allow two-sided light capture in tight areas.
🌳 7.2 Shade-Resilient System Design
- Incorporates module-level power electronics (MLPE) like microinverters or optimizers to isolate shading impact.
- Custom rail angles are calculated using solar simulation software to minimize shading losses from nearby objects.
- Systems can include adjustable tilt brackets to redirect panels away from shaded zones.
🏠 7.3 Lightweight, Non-Invasive Mounting
- Jeho Ashar’s aluminum and fiber-reinforced plastic structures are light enough for older or non-reinforced roofs.
- Mounts are designed to avoid roof drilling where possible, using ballast or adhesive systems to prevent leaks.
📐 7.4 Pitched & Flat Roof Versatility
- For pitched roofs, Jeho Ashar uses flush-mount racking systems that integrate tightly with roofing materials.
- For flat roofs, tilt-leg structures are used to achieve proper panel orientation without wasting space.
Project Example: Lagos Island Urban Clinic
A 12kW system installed by Jeho Ashar on a narrow, L-shaped rooftop included:
- Custom corner-fitting rail brackets
- Microinverters to handle partial shading from nearby buildings
- Lightweight mounts that avoided drilling through a water-damaged ceiling
Result: The clinic achieved 80% of its daytime energy needs through solar, despite less-than-ideal rooftop conditions.
- Benefits to Urban Clients
Improved ROI per square meter of rooftop space
- Reliable energy even with partial shading or small installations
- Faster approvals for installation due to non-invasive mounting options
- Increased aesthetic and architectural compatibility