Interval Data Guides and Tools

Your monthly bill is a summary. Interval data is the record it was summarized from.

Looking for the explanation itself rather than the index? What interval meter data is, and what a load profile shows covers it at length and carries the free analyzer.

A commercial month lands on the bill as a handful of numbers: total energy, one billed demand figure, the charges that follow. The meter that produced them was doing something else entirely. It recorded the average power you drew every thirty minutes, all month, more than fourteen hundred readings. The bill is what is left after almost all of that is thrown away. Interval data is what was there before. Why a monthly bill cannot explain your costs makes that case on a real ComEd bill.

What the interval data can settle. It can show you the single half hour that set your demand charge, and whether that peak fell inside or outside the tariff window. It can surface the coincident peak across several meters that no single bill reveals, the way our six-bill reconciliation did to the cent. It can separate the load that runs around the clock from the load that spikes, which is what the analyzer reads off your own export.

What it cannot settle by itself. It cannot turn intervals into dollars without the tariff, and the bill stays canonical for that. It cannot tell you what caused a peak; the meter saw the kilowatts, not the compressor or the shift change behind them. And one billing period is one season, not a year. Interval data narrows the question to the exact moment that matters. It does not, on its own, tell you that moment was worth acting on. That is a separate judgment.

See it in your own data. Get your ComEd interval data, then read it with the free interval analyzer.