GPS Journal
الطاقة الشمسية للمنازل والفيلات والتكييف والسخانات.
FeaturedSolar basics
Everything you need to know before going solar in Egypt: how it works, what it costs, how much it saves, which system fits you and how to choose an installer.
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Solar basics Everything you need to know before going solar in Egypt: how it works, what it costs, how much it saves, which system…
Costs & prices A detailed look at panel and system prices in Egypt in 2026, what pushes prices up or down, and worked examples for…
Solar basics Choosing the installer matters more than choosing the panel. Here are 10 practical checks that separate a professional solar company from the…
Egypt: market & regulation A plain-language guide to net metering in Egypt: who can apply, the paperwork, the role of the distribution company and accredited installer,…
Solar for business A factory owner's guide to rooftop solar: right-sizing, structural checks, returns and examples from plants delivered by GPS.
Solar for business How hotels cut operating costs with solar without touching guest comfort: where to install, designing for coastal conditions and the expected return.
Agriculture & irrigation How solar irrigation pumps work, how to size the array to well depth and water demand, and how much a farm saves…
Homes & villas How many panels your home needs, what it costs and when residential solar pays off, with straight answers on batteries and outages.
Technology & equipment A clear comparison of on-grid, off-grid and hybrid solar systems: how they work, cost, pros and cons, and when to choose each.
Technology & equipment A simple guide to the panel technologies available in 2026, how they differ in efficiency, heat performance and lifespan, and when bifacial…
Technology & equipment What the inverter does in a solar plant, the difference between string, central, micro and hybrid inverters, and how to choose size…
Technology & equipment A practical comparison of lithium iron phosphate and lead-acid batteries by lifespan, depth of discharge and true cost, and when you need…
Solar basics Work out the number of panels and system size yourself from your electricity bill, with examples for a home, factory and farm,…
Costs & prices How to calculate payback and ROI for a solar plant in Egypt, what shortens payback, and a complete worked example.
Technology & equipment A clear maintenance schedule for solar plants: what to check daily, monthly and yearly, how to catch faults early and keep your…
Technology & equipment Dust is one of the biggest causes of lost output in Egypt. Learn the right cleaning frequency, safe methods and common mistakes…
Solar basics How many square metres per kilowatt? A space guide for concrete roofs, metal roofs and ground mounts, and how shading and walkways…
Technology & equipment Heat lowers panel efficiency slightly, but strong sunshine more than compensates. Understand the temperature coefficient and how we design for Egyptian summers.
Solar basics Do panels stop in winter? Do you always need batteries? Do they die after five years? We bust the most common solar…
Egypt: market & regulation Discover Benban in Aswan: its scale, how it was delivered, and why it changed the image of solar in Egypt and opened…
Egypt: market & regulation Egypt targets 42% renewable electricity by 2030. We review where things stand, solar and storage plans, and what it means for businesses…
Egypt: market & regulation You don't need to pay for the plant upfront. Explore solar financing options in Egypt and how to keep instalments below your…
Sustainability & world How many tonnes of CO₂ does your plant avoid, and how do you translate that into trees and litres of diesel? A…
Sustainability & world The world now installs hundreds of gigawatts of solar a year. We review the key trends in prices, technology and storage, and…
Solar for business Why solar suits hospitals, schools and administrative buildings, and how we design to protect critical loads while maximising savings.
Technology & equipment The difference between product, performance and workmanship warranties, what voids them, and how to protect yourself before signing.
Technology & equipment How solar monitoring works, which indicators to watch, and how it catches faults early and protects your investment.
Solar for business Turn hotel, factory or mall car parks into a solar plant that shades cars, cuts bills and can charge electric vehicles.
Sustainability & world Can you charge your EV from rooftop panels? How many panels you need, home versus commercial charging, and how to integrate chargers…
Homes & villas Air conditioning drives Egypt's summer bills. Learn how solar covers AC consumption, panels per horsepower, and your options.
Homes & villas A solar water heater makes hot water; PV panels make electricity. We explain the difference, efficiency and cost, and when combining both…
Solar basics What exactly happens from first call to commissioning? We walk through each project stage, how long it takes and your role in…
Technology & equipment What is the best panel tilt in Cairo, Aswan and Alexandria, and is facing south essential? A practical guide to tilt, orientation…
Agriculture & irrigation Barns use heavy power for ventilation, cooling and lighting. See how solar cuts costs on poultry and livestock farms and protects critical…
Solar basics A practical checklist that protects you from bad decisions: questions for yourself, for the installer, and about warranty and maintenance before signing.
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An engineer visits to measure the space, review consumption and give a final quote.
