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Featured Guides & Articles

Solar PV System Safety Standards (SANS 10142)

Solar PV System Safety Standards (SANS 10142)

<strong>SANS 10142-1</strong> is the <strong>mandatory electrical wiring code</strong> in South Africa. Every solar PV installation — grid-tied, hybrid, or off-grid — must comply to ensure <strong>safety, reliability, and insurance validity</strong>.

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What It Really Cost Me to Go Off-Grid in South Africa

What It Really Cost Me to Go Off-Grid in South Africa

Going off-grid is not simply buying an inverter, a battery and some panels. After transitioning my home completely off-grid following an Eskom disconnection, I documented every cost — including structural work, battery compatibility failures, and the hidden expenses that most solar ROI calculators systematically ignore. Total investment: ~R141,320.

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How Solar PV Systems Work

How Solar PV Systems Work

Learn the inner workings of solar photovoltaic (PV) systems, including panels, inverters, batteries, and system design for homes and businesses.

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Understanding NERSA Registration for Solar PV

Understanding NERSA Registration for Solar PV

Learn how to register your solar PV system with NERSA, the process, requirements, and benefits of compliance.

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Monitoring and Maintaining Your Solar PV System

Monitoring and Maintaining Your Solar PV System

Ensure your solar PV system operates efficiently with proper monitoring, cleaning, inspection, and maintenance.

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Latest Solar Product Reviews

ProSolar RoofTrac review

ProSolar RoofTrac review

USA-engineered <strong>RoofTrac classic rails</strong>. Universal fit for IBR & tile roofs. 2400 Pa wind load. <strong>25-year warranty</strong>. Timeless flush-mount design trusted for decades.

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JA Solar JAM54S30 review

JA Solar JAM54S30 review

440W monocrystalline PERC half-cut panel with 20.7% efficiency. Ideal for urban rooftops with partial shading. 12/30-year warranty.

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Risen RSMxxx-108 review

Risen RSMxxx-108 review

Lightweight, affordable, and Tier 2 reliable — perfect for small urban roofs in Cape Town, Joburg, and Durban. <strong>Payback in under 5 years</strong> with real-world yields of <strong>1,780 kWh/kWp</strong>.

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Deye SUN-12K-SG01HP3 review

Deye SUN-12K-SG01HP3 review

12kW 3-phase balanced output. 18kWp PV input. 240A battery charge. Powers irrigation pumps, cold rooms, and 3-phase motors. <strong>Scalable to 96kW</strong>. <strong>Payback in 3.7 years</strong>

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BlueNova RacPower 5kWh review

BlueNova RacPower 5kWh review

5kWh <strong>usable</strong> (90% DoD). 7000 cycles. 1C discharge. Proudly built in <strong>Cape Town</strong>. BEE Level 1. <strong>Payback in 4.0–4.8 years</strong>.

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