Insights
Methodology, not opinion: technical notes showing the data, models and assumptions behind energy and power system decisions.
Sizing from the annual bill total, a single-price scenario, ignoring degradation — the mistakes that invalidate a BESS feasibility study usually begin not in the calculation but in its inputs.
Under monthly netting, the timing of generation is invisible. Under hourly netting, timing is everything — the midday surplus no longer earns its value by itself, and the self-consumption strategy has to be rebuilt from the ground up.
Arc flash is often taken to be a label stuck on a panel door. Yet the number on that label is the output of a calculation derived from the short-circuit analysis and the protection settings — and that calculation can be changed.
