Technology10 min read
How solar panels work, from photon to breaker panel
A systems-level walk through the physics, materials and electronics that turn sunlight into usable household electricity, from the silicon lattice to the consumer unit.
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Long-form reporting on solar hardware, installation, economics, storage and policy.
Storage9 min read
Home battery storage explained: architecture, sizing, economics
How residential battery systems work, the practical differences between AC and DC coupling, a sizing method with worked numbers, and what storage really saves.
Installation8 min read
Cleaning solar panels: when it pays and when it does not
Soiling loss ranges by climate, cleaning methods and water quality considerations, safety practice, and the arithmetic that decides whether a cleaning contract is worth it.
Installation10 min read
Cable sizing and voltage drop in PV systems
A practical guide to sizing DC and AC PV cables, covering ampacity derating and voltage drop calculations with worked numeric examples and IEC references.
Technology8 min read
Bifacial solar modules: how much extra energy do they really add?
How bifaciality factor, ground albedo and mounting height combine to determine the rear-side energy gain of bifacial modules, with a worked gain calculation.
Storage8 min read
Battery degradation and cycle life: what actually shortens lifespan
How calendar ageing and cycle ageing combine to degrade home batteries, how depth of discharge and temperature affect lifespan, and how to read warranty terms.