The pre-installation decisions that quietly shape your solar system's 25-year performance. Orientation, inverter sizing, panel …
Net metering is phasing out, capacity tariffs are in, dynamic contracts are real. How to think about self-consumption versus gr…
Data without context decays in days. How a well-designed solar monitoring app turns raw production numbers into pattern recogni…
PVOutput has been quietly hosting residential solar data for over 15 years. Why this Australian platform became the European ho…
Direct push, auto uploader, Home Assistant bridge, custom scripts, manual entry. The five ways to get your inverter data into P…
How to add consumption monitoring to your solar setup in Belgium. P1 port readers, Shelly Pro 3EM, and inverter CT clamps compa…
What HelioPeak is, what it isn't, and the design decisions behind a privacy-first native iOS app for solar monitoring. Honest a…
A real-world comparison of Sonnen Battery 10 and three Marstek Venus E v3 units. Wall-mounted versus plug-in, German engineerin…
The metrics that turn solar data into useful diagnostics. Specific yield, performance ratio, peak power, and how to read daily …
Three kinds of estimates, real-world losses, the first-year disappointment myth, and how to build your own performance baseline…
From data signatures to visual inspection, from optimiser failures to encapsulant browning. Spotting solar panel problems early…
What several years of solar data taught me about the Belgian seasons. The dark months, the April-May surprise, the summer plate…
An honest comparison of the four PVOutput iOS apps in 2026: PV Output by McDonald, PVOutput Plus, MyPVOutput, and HelioPeak. Wi…
What a solar app really needs to function, what it commonly collects beyond that, and the practical questions to ask of any app…
The story behind HelioPeak: starting without Swift experience, building with AI assistance, getting the first hundred users, an…