Solar basics How Many Solar Panels Do You Need? A Step-by-Step Calculation
Work out the number of panels and system size yourself from your electricity bill, with examples for a home, factory and farm,…
GPS Journal
The solar energy journal
Everything you need to know about solar: prices, technology, regulation and project lessons from Egypt and around the world, by the GPS engineering team.
Solar basics 
Solar basics How Much Space Does Solar Need on Roofs and Land?
How many square metres per kilowatt? A space guide for concrete roofs, metal roofs and ground mounts, and how shading and walkways…
Technology & equipment Solar Panel Tilt and Orientation in Egypt: Getting the Most Output
What is the best panel tilt in Cairo, Aswan and Alexandria, and is facing south essential? A practical guide to tilt, orientation…
No articles yet.
An engineer visits to measure the space, review consumption and give a final quote.