Buying guides
How to specify, compare and buy outdoor and industrial lighting for projects.
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Solar Street Lights in Nigeria: Sizing for the Rainy Season (Lagos, Abuja, Kano, Port Harcourt)
How to size solar street lights for Nigeria using satellite sun data for Lagos, Abuja, Kano and Port Harcourt: worst-month sun hours, panel and battery size for a 40 W light, rainy-season autonomy, and what to check in a quotation.
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Solar vs Grid Street Lights: Which Costs Less Over 10 Years?
A total-cost-of-ownership comparison of solar street lights and grid-powered LED street lights: trenching and cabling, grid connection, electricity, battery replacement and maintenance, with a worked 100-light example and the cases where each option wins.
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HPS to LED Conversion: LED vs Sodium Street Lights, Wattage Chart and Payback
What LED wattage replaces a 70, 150, 250 or 400 W high-pressure sodium lamp? A conversion chart for street and area lighting, why ballast losses matter, how much energy you save, and how to calculate payback.
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All-in-One vs Split Solar Street Lights: Which Should You Buy?
An engineer's comparison of integrated (all-in-one) and split solar street lights covering battery capacity, panel size, installation cost, theft, maintenance and climate, with a decision table for your project.