Disclaimer: This blog provides a high-level overview for general informational purposes only. All solar installations must be carried out by a qualified, licensed electrician in full compliance with local laws, regulations, and safety standards. STECO is not responsible for any damages, injuries, or losses that may occur from improper installation or misuse of the information provided. 

How Solar Panels Are Installed:  

Installing a solar energy system may seem complex, but with the right components and expertise, it is a smooth and highly rewarding process. At STECO, we design our solar kits to simplify this journey, whether you are installing a 3kW starter kit or a full 8kW hybrid system, the steps remain consistent to ensure safety, compliance, and long-term performance. 

How it all comes together:  

1. Safety Steps to follow before Installation 

• Electrical Safety: Switch off power, use insulated tools, cover panels when working, ensure grounding, use DC-rated breakers/fuses, and label circuits. 

• Mechanical Safety: Secure mounting structures, use corrosion-resistant fasteners, maintain correct tilt, and prevent tripping hazards. 

• Working at Heights: Use harnesses, stable ladders/scaffolding, avoid wet roofs, and secure tools/panels. 

• Fire & Thermal Safety: Prevent loose/overheated connections, size cables correctly, ventilate inverters/batteries, use surge protection, and keep an electrical fire extinguisher nearby. 

• Battery Safety: Handle carefully, ensure ventilation, avoid short-circuits, and wear protective gear. 

• General Safety: Train workers, follow codes/standards, work in pairs, do risk assessments, and keep first aid ready. 

In short: Turn off sources, secure structures, prevent falls, ensure proper electrical protection, and use PPE. 

2. Site Assessment & Planning  

Before anything is installed, a thorough on-site assessment is done. This involves evaluating: 

• Roof orientation and pitch 

• Shading from trees or buildings 

• Roof structure be this corrugated, tiled, flat, or ground-mounted. 

• Your average energy usage and backup needs 

• Your certified installer uses this data to recommend the ideal system size and configuration for your property. 

3. System Design 

Based on your home’s needs, the right components are selected: 

• Number and type of fixed solar panels (e.g. 455W, 540W, or 550W) 

• Hybrid inverter size (e.g. 3kW, 5.2kW, 8kW) 

• Battery capacity 

• String layout and voltage matching 

• Mounting kits that are suitable for both corrugated and tiled roof styles. 

• A professionally designed system ensures maximum power output and compatibility with your load profile. 

4. Mounting the Panels 

• Once the plan is finalised, panels are mounted using the correct roof kit; STECO’s roof kits are tailored for tiled or corrugated surfaces and include rails, brackets, and fasteners. 

TILED INSTALLATION KITS			CORRUGATED INSTALLATION KITS
SIK-3000T	SIK-5200T	SIK-8000T	SIK-3000C	SIK-5200C	SIK-8000C

• Panels are secured at an optimal tilt and orientation to capture sunlight throughout the day. 

• Wiring channels and safety spacing are incorporated into the layout. 

5. String Wiring 

Panels are connected into strings – series circuits that feed the inverter: 

• Strings are sized to match the inverter’s Maximum Power Point Tracking or MPPT range. 

• The configuration must account for panel voltage, temperature coefficients, and safety limits. 

• Proper string wiring reduces power loss and improves efficiency. 

• Each string has its own role in balancing system performance and improper wiring here can severely impact output. 

6. Inverter Installation 

• STECO’s inverters come in our 3kW, 5.2kW, and 8kW sizes. 

• They include LCD displays, overload protection, and Wi-Fi/app integration. 

• The inverter is installed close to your distribution board or battery bank. 

7. Battery Setup 

• Batteries are wall-mounted or floor-installed in ventilated spaces. 

• They connect to the inverter via heavy-duty cabling and Battery Management System or BMS. 

• This allows for power use after sunset or during load-shedding, true energy independence. 

8. Generator Integration 

• For added backup, you can add to your STECO solar solution and include a compatible generator. 

• Generators are wired through the inverter’s input and managed by priority settings. 

• These automatically kick in when solar and battery levels run low. 

• Ideal for households that cannot afford downtime or off-grid scenarios. 

9. Testing & Commissioning 

Once everything is connected: 

• Voltage and current readings are tested across each panel, string, and inverter input. 

• The inverter is configured with charge settings, grid-tie limits, and remote monitoring. 

• Compliance is checked according to SANS standards, and safety labels are applied.  
   

10. Monitoring & Maintenance 

Keep your STECO system running efficiently with simple, practical checks: 

• Inspect panels regularly for dirt, debris, or shading that may reduce output. 

• Check inverter and battery connections to ensure cables are secure and free from corrosion. 

• Monitor system performance via the app or desktop dashboard to track output, battery charge, and load usage. 

• Alerts notify you of faults or drops in performance. 

• Routine maintenance: clean panels every few months and perform a full inspection of cabling and system components annually. 

Solar is not just the future; it is the smartest energy decision you can make today. Whether you are taking your first step toward energy independence or upgrading your current system, STECO offers trusted, high-performance solutions built for homes, farms, and businesses. 

From premium fixed panels and hybrid inverters to fully packaged solar kits, STECO takes the complexity out of going solar – so you can focus on what matters: reliable power, long-term savings, and peace of mind. 

Explore our full solar range at our nearest retailer or shop directly in our online store at shop.steco.co