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Featured Guides & Articles

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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How to Install a Solar PV System

How to Install a Solar PV System

Step-by-step guide for installing a solar PV system, including planning, choosing components, mounting panels, electrical connections, and commissioning.

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Building Solar on a Forested Property: What Shading Really Costs You

Building Solar on a Forested Property: What Shading Really Costs You

Building solar on a forested KZN property meant solving a shading problem before solving an energy problem. R35,500 in structural and arborist work later, the system peaks at 3,794W on clear days and 1,158W on heavy overcast — the honest production range on a shaded South African winter installation. What the data shows, what it cost, and what I would do differently.

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Solar PV Regulations and Legal Requirements in South Africa

Solar PV Regulations and Legal Requirements in South Africa

From <strong>SANS 10142</strong> to <strong>NERSA registration</strong>, <strong>municipal approvals</strong>, and <strong>incentives</strong> — this is your <strong>one-stop compliance roadmap</strong> for grid-tied, hybrid, and off-grid solar systems.

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How Heatwaves Affect Solar Panel Performance in South Africa – 2025 Data

How Heatwaves Affect Solar Panel Performance in South Africa – 2025 Data

Exactly how much power solar panels lose during 35–45 °C South African heatwaves, why production still stays high, and simple tricks to minimise temperature losses.

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Latest Solar Product Reviews

Trina Solar Vertex S+ TSM-NEG9R.28 450W review

Trina Solar Vertex S+ TSM-NEG9R.28 450W review

450W N-type dual-glass half-cut panel with 22.5% efficiency. Ultra-low degradation. 25/30-year warranty.

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Solis S6-EH1 8K review

Solis S6-EH1 8K review

8kW continuous output. 12.9kWp PV input. 190A battery charge. <strong>Intelligent fan cooling</strong>. Powers geysers, pools, EVs, and high-consumption homes. <strong>Payback in 4.0 years</strong>.

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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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Victron VE.Direct Cable 3m review

Victron VE.Direct Cable 3m review

Genuine Dutch <strong>3m VE.Direct cable</strong>. RJ45 straight-through. Connects MPPT, BMV, SmartShunt to GX devices. <strong>5-year warranty</strong>. Plug-and-play monitoring.

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Suntech STPxxxS review

Suntech STPxxxS review

Founded in 2001, <strong>Suntech</strong> has over <strong>20 GW installed globally</strong>. The STPxxxS series powers warehouses and factories across SA with proven long-term performance.

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