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Irradiance vs Peak Sun Hours: What’s the Difference?
The two most confused terms in solar sizing, with worked examples for every SA province.
Heat Load Calculations for Inverter Room AC Sizing
The exact formula solar engineers use to size air conditioning for inverter rooms.
PVMet 100 Compatibility with Solar Monitoring Systems
What to check before installation and placement guidelines for accurate data.
Energy Arbitrage with Solar and Battery Storage in South Africa
R3.35/kWh spread, real savings and payback calculation explained.
How to Add a Revenue Meter to the Sigenergy SigenStor
CT wiring, RS485 configuration, app setup and ToU arbitrage activation.
How to Add a Revenue Meter to the Sungrow EMS300-CP
Full C&I configuration: export control, demand setpoints and verification.
What Is a Protective Relay and Why Does Every Solar+BESS Installation Need One?
Anti-islanding, ROCOF and why the SEL-751 is the standard for SA interconnection.
SEL RTAC Explained: The Brain Behind Modern Solar+BESS Systems
SEL-3530 vs SEL-3350, and how to use ACSELERATOR for ToU dispatch.
NRS 097-2-1:2024 Edition 3: What Every SA Solar Installer Needs to Know
Anti-islanding, type testing and the Feb 2026 certification transition.
V2H and V2G: How Vehicle-to-Home and Vehicle-to-Grid Work with Solar+BESS
Your EV battery as a grid asset — SA regulatory status and Sigenergy V2H.
EV Charging with Solar in South Africa: AC vs DC, Sizing and ToU Optimisation
How to minimise grid draw and Eskom peak exposure in EV charge design.
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