Solar Calculator

Plan your system with our solar power calculator and solar panel calculator: size panels, match batteries, and estimate savings using local Peak Sun Hours. Optimised just for South Africa, this solar calculator South Africa lets you save on Eskom costs and outsmart load-shedding. Start now for trusted results.

Take Control of Your Energy with Our All-in-One Solar Calculator Tools.

Reduce your electricity bills and lower your reliance on the grid using our advanced solar calculator tools. These tools are built specifically for homes and businesses in South Africa, ensuring reliable, accurate results.
Whether you’re just starting or upgrading your system, our solar calculator South Africa provides the clarity you need. It helps you estimate system size, energy savings, and return on investment—all in just a few clicks.
Make smarter decisions with fast, reliable insights tailored to your unique energy usage and property details.


Plan Smarter with the Solar Power Calculator KWh.

Use our solar power calculator kWh to calculate your solar energy output based on real conditions. Enter your location, monthly usage, and sunlight exposure to get accurate power generation estimates.
The tool shows your system’s energy production in kilowatt-hours, matched exactly to your consumption. Avoid costly oversizing or inefficient setups with precise recommendations from real-time data analysis. Start making informed decisions that maximise your solar investment from day one.


Get Instant Results with the Solar Panel Calculator.

Our user-friendly solar panel calculator helps you determine the ideal number of panels for your roof. Input your electricity use, roof size, and panel type to receive a customized, cost-effective solution.
Avoid overestimating your needs or buying the wrong system with real-world data and expert-backed logic.
The system helps you reduce waste and avoid unnecessary costs while optimizing long-term performance. Plan confidently, knowing your solution fits your property and budget perfectly.

Built Specifically for Local Needs: Solar Calculator South Africa.

The solar calculator South Africa uses localized data for accurate, region-specific calculations. It factors in South African sunlight hours, energy tariffs, climate data, and load-shedding challenges.
This ensures your solar system plan reflects your actual environmental and financial conditions. Whether you’re in Cape Town, Durban, or Johannesburg, get precise results that work where you live. No guesswork—just tailored insights for every South African household or business.

Design a Complete System with the Solar Electric System Calculator.

The solar electric system calculator gives you a full view of your potential setup. It includes solar panel output, battery storage, inverter needs, and total energy usage. This tool provides a complete roadmap to design a functional and efficient solar power system. You’ll understand exactly what equipment is required to meet your energy goals reliably. Perfect for anyone needing a detailed, professional-level plan—without the complexity.


Customize Every Detail with the Solar Panel System Calculator.

Explore different system setups with the advanced solar panel system calculator. It helps you compare grid-tied, hybrid, and off-grid options, including backup capacity estimates.
Visualize payback periods and total system efficiency to plan with full confidence. From small starter kits to large-scale commercial solutions, tailor everything to your specific needs.
Build a future-proof solar system that meets both your energy and financial expectations.


All-In-One Solar System Calculator for Maximum Efficiency.

Use our complete solar system calculator to access every critical calculation in one place. It considers sunlight exposure, roof space, energy use, system efficiency, and installation costs.
The tool simplifies complex planning with a clean, user-friendly interface. Get the most detailed solar roadmap using real-time data and accurate forecasting. Everything you need to transition to solar—no installers or consultants required.


Key Benefits.

* Accurate solar estimates within minutes.
* 100% tailored to South African weather and electricity costs.
* Calculates savings, ROI, and system performance.
* Helps compare solar panel system options easily.
* No technical skills needed to get started.
* Enables smarter, cost-effective energy investments.


Start Saving Now with the Best Solar Calculator Tools.

Your journey to solar savings starts today.
Our solar calculator South Africa delivers fast estimates of system size, output in kWh, and expected savings.
Use the solar power calculator, solar panel calculator, or solar electric system calculator to get started.
Make confident, data-driven decisions that lead to lasting financial and energy benefits.
Try the calculator now.
The right solar system calculator for your needs is ready to help you act today.

Solar Installation Address

Select your location to estimate Peak Sun Hours (PSH).

Solar Panel Sizing (24h Base)

0° = flat, 90° = vertical wall. Typical: tile 20–25°, metal/IBR 10–15°.
Daily usage
0.00 kWh
Required panels
0
Array size
0.00 kW

Battery Sizing for Night Use (15 Hours)

Based on consumption from 17:00 to 08:00 — 15 hours total (winter friendly).
Capacity per battery module.
Night avg. power
0 W
Required battery
0.00 kWh
Total battery required
0 × —

Disclaimer

Estimates only. PSH are typical averages; output varies with shading, weather, temperature, soiling, equipment and workmanship. Not a design, quote or guarantee. Verify on-site and use manufacturer data (battery usable capacity/DoD, inverter limits).