Using your daily energy usage and Peak Sun Hours, and assuming a system efficiency of 70%, the calculator estimates the Wattage required for your off-grid solar system''s solar array.
Mobile solar containers enable total off-grid operation, providing power in locations with no utility grid or where grid access is unreliable. This is essential for rural development
Plan and design your off-grid solar power system with ease. Our calculators help you determine the energy needs, panel sizes, battery capacity, and inverter requirements for a sustainable and efficient setup. Start by
This off-grid sizing calculator simplifies a complex design process into an understandable workflow. While results provide a strong engineering baseline, always verify with real-world site data, local irradiance tables,
Stop guessing your off-grid solar needs. This comprehensive calculator walks you through every calculation needed to size your system perfectly – preventing costly oversizing or frustrating undersizing.
An expert''s guide to off-grid solar sizing. Go beyond basic formulas and learn how to design a resilient, future-proof system by profiling your load and making strategic component choices.
Ultimate guide to off grid solar systems. Learn about components, sizing, installation, costs & maintenance. Expert advice with real performance data for 2025.
With a carefully sized solar array, intelligent water systems, and a container shell customized for energy performance, even the most remote sites can offer a comfortable — and sustainable — modern life.
To calculate your home''s specific solar requirements, utilize a solar panel calculator, where you can assess energy needs based on your utility bills. Furthermore, installation costs may range from $15,
Build your own off-grid solar system in 2025. Get the full cost breakdown, key components, and step-by-step DIY for energy independence.
PEES Power Systems is a leading provider of advanced energy solutions in South Africa and Africa. We specialize in microgrid systems, solar photovoltaic (PV) power generation, BESS (battery energy storage systems), grid‑tied / hybrid / off‑grid inverters, PCS power conversion systems, EMS energy management systems, BMS battery management systems, lithium‑ion & LiFePO4 batteries, and modular energy storage systems. Our portfolio also includes energy storage containers, energy storage cabinets, containerised power stations, off‑grid power supply systems, backup emergency power, clean energy solutions, new energy storage systems, and green power systems. We offer battery cabinets with integrated BMS, outdoor all‑in‑one storage cabinets, commercial & industrial storage, communication battery cabinets, server racks, and transformer capacity expansion services. Whether you need a small off‑grid system or a zero‑carbon factory solution, our products deliver reliability and performance.
Our modular energy storage solutions range from 20ft/40ft mobile containers to outdoor all‑in‑one energy storage cabinets. We are a leading manufacturer of battery cabinets with BMS, offering communication battery cabinets for telecom, server racks for data centers, and energy storage battery BMS systems. We utilize lithium‑ion energy storage batteries and LiFePO4 batteries for optimal safety and lifecycle. Our stackable design allows flexible capacity expansion, while our grid‑forming technology ensures stable microgrid operation. Whether for distributed PV systems, off‑grid power supply, backup emergency power, or large zero‑carbon parks, our products feature advanced thermal management, PCS and EMS integration, and compliance with South African and international standards. We also provide professional energy storage system installation and after‑sales support, and we help clients navigate energy storage subsidies where applicable.