Generate Your Own Power

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

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

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How an Eskom Billing Dispute Forced Me Completely Off-Grid

This article documents how an Eskom billing dispute, driven by mismatched meter readings, estimated invoices, and unresolved account discrepancies, escalated into a full electricity disconnection. While attempting to resolve the issue through formal communication and evidence submission, the supply was cut despite the dispute remaining active. In response, the author accelerated a planned solar transition and progressively expanded an existing hybrid system into a fully off-grid setup. Built over time on a shaded, forested property in South Africa, the system required significant structural modifications, additional solar capacity, and a major battery upgrade to achieve full independence. The result is a real-world case study of energy resilience under non-ideal conditions, highlighting both the technical and financial realities of going off-grid. The experience reframes solar not just as backup power, but as a pathway to reducing long-term vulnerability to utility instability.

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The Hidden Problem With Legacy Eskom Meters and Solar Systems

Legacy Eskom meters were designed for electricity flowing in one direction only. Modern solar systems change that. When older electromechanical meters encounter export conditions, they can run backward — creating inaccurate billing histories that are nearly impossible to reconstruct. This is the problem that directly contributed to my Eskom billing dispute, and it affects thousands of South African solar owners right now.

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Solar Batteries and Energy Storage

Learn about solar battery types, storage technologies, sizing, and practical tips to increase energy independence and optimize your PV system.

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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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Sunsynk 16kW 3-Phase (SYNK-16K-SG01HP3) review

16kW 3-phase balanced output. 24kWp PV input. 300A battery charge. Powers factories, lodges, schools, and commercial estates with <strong>zero downtime</strong>. <strong>Payback in 3.4 years</strong>

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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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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

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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