⚡ The Energy Transition · South Africa · 2026
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In-depth technical guides, real-world analysis and field data on solar PV, battery storage, electric vehicles, nuclear, grid modernisation and the technologies reshaping how South Africa generates and uses energy.
48
Articles published
8
Energy topics covered
R3.35
SA arbitrage spread / kWh
R308
Carbon tax / tCO₂e
2026
SAWEM launched
All topics
Browse by Energy Source
From solar cells to nuclear reactors — every technology explained
☀️
Solar PV
18 articles
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Battery Storage
14 articles
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Electric Vehicles
6 articles
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Nuclear
4 articles
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Wind Energy
5 articles →
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Grid & Market
8 articles →
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Protection & Automation
7 articles →
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Energy Efficiency
5 articles →
☀️ Solar PV
System design · irradiance data · inverters · commissioning · SA market
Solar PV · Fundamentals
Irradiance vs Peak Sun Hours: What’s the Difference?
The two most confused terms in solar sizing — clearly explained with worked examples for SA provinces.
Apr 2026
Solar PV · Design
Heat Load Calculations for Inverter Room AC Sizing
The exact formula solar engineers use to size air conditioning for inverter rooms, with a worked example.
May 2026
Solar PV · Monitoring
PVMet 100 Compatibility with Solar Monitoring Systems
Which monitoring platforms work with the PVMet 100, what to check before installation, and placement guidelines.
May 2026
🔋 Battery Storage
BESS · LFP chemistry · arbitrage · demand control · Sigenergy · Sungrow · Huawei
Battery · Financial
Energy Arbitrage with Solar and Battery Storage in South Africa
R3.35/kWh spread. How it works, what the real savings look like and how to calculate your payback.
Apr 2026
Battery · Commissioning
How to Add a Revenue Meter to the Sigenergy SigenStor
Step-by-step: CT wiring, RS485 configuration, Sigenergy app setup and ToU arbitrage activation.
May 2026
Battery · Commissioning
How to Add a Revenue Meter to the Sungrow EMS300-CP
Full C&I configuration: meter placement, export control, demand setpoints and verification.
May 2026
🛡️ Protection & Automation
SEL relays · RTAC · IEC 61850 · PLC · SCADA · commissioning
SEL · Protection
What Is a Protective Relay and Why Does Every Solar+BESS Installation Need One?
Anti-islanding, overcurrent, ROCOF — and why the SEL-751 is the standard for SA solar interconnection.
May 2026
SEL · Automation
SEL RTAC Explained: The Brain Behind Modern Solar+BESS Systems
What the SEL-3530 and SEL-3350 RTAC do, how they differ, and how to use ACSELERATOR for ToU dispatch.
Coming soon
IEC 61850 · Communications
IEC 61850 for Solar Engineers: What It Is and When You Need It
GOOSE messaging, sampled values and digital substation architecture — explained in plain language.
Coming soon
⚡ Electric Vehicles
EV charging · V2H · V2G · SA adoption · infrastructure
EV · Technology
V2H and V2G: How Vehicle-to-Home and Vehicle-to-Grid Work with Solar+BESS
Your EV battery as a grid asset — the technical reality, the SA regulatory status and what Sigenergy’s V2H system actually does.
Coming soon
EV · Charging
EV Charging with Solar in South Africa: AC vs DC, Sizing and ToU Optimisation
How to design an EV charging installation that uses solar and BESS to minimise grid draw and Eskom peak exposure.
Coming soon
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