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| Metrix » Bill Matching |
A: The baseline equation could look like:
kWh = (constant * #Days + coefficient * #CDD) * multiplier + offset
The multiplier is usually 1, and the offset is usually 0 (which means they have no effect), unless you add modifications.
If you billmatched, then, in the Factor History form, you will see numbers that represent the difference between the actual bill point and the fit line during the tuning period. So if the bill point is 10 kWh higher than the fit line, and you billmatched this particular point, then you would see a +10 in the factor history for this bill.
There are two ways to billmatch:
- absolute offset (in which the difference is represented by a number), or
- percentage offset (in which the difference is represented by a percentage).
The absolute offset shows up in the baseline equation as the offset, while the percentage offset shows up in the baseline equation as the multiplier.
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