Installation12 min read
Flat-roof ballasted PV systems: ballast, uplift and membrane care
Ballasted racking avoids roof penetrations but trades that for weight, wind uplift risk and membrane wear that must be engineered, not guessed.
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Long-form reporting on solar hardware, installation, economics, storage and policy.
Technology13 min read
IV curve tracing in the field: equipment and interpretation
A practical guide to portable IV curve tracers, how to read curve shapes against a healthy reference, and the fault signatures they reveal in PV strings.
Economics14 min read
Levelised Cost of Electricity for Solar, Calculated Properly
LCOE is the only figure that lets you compare a rooftop array with a grid tariff or a gas plant on equal terms. It is also routinely computed wrong.
Installation12 min read
PV earthing and bonding: protective, functional, and equipotential
A technical guide to PV earthing and bonding practice, covering protective earthing, functional earthing, equipotential bonding, and IEC 60364-7-712 requirements.
Technology13 min read
PV module construction and materials: glass to junction box
A layer-by-layer look at how crystalline silicon modules are built, the bill of materials involved, and the failure modes each component is prone to over a 25-year service life.
Technology13 min read
PV monitoring and performance ratio: definitions and practice
How performance ratio is defined and measured under IEC 61724, what data acquisition architecture it requires, and how to set alarms that catch faults without noise.