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Field notes on measurement, M&V and defensible numbers
What we have learned reading meters, BMS points and utility data in commercial buildings — how a savings claim survives scrutiny, where energy data quietly invents itself, and why a refused number is worth more than a filled-in one. If you would rather see the work than read about it, the case studies are there.
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Your energy dashboard has not saved you anything
Monitoring gets installed, findings get observed, nothing changes. The constraint is not more data — it is that no finding has an owner, a date or a measured result.
IPMVP Option C in practice: what a defensible savings claim actually requires
Whole-facility M&V worked end to end: baseline model, adjusted baseline, savings, uncertainty, non-routine adjustments, and the tells that expose a weak claim.
Null is not zero: the one-character bug that invents energy data
A missing reading and a reading of zero are different physical claims. How one coalesce travels through totals, regressions, savings and a carbon report.
Last year’s kWh is not your baseline
Year-on-year subtraction mostly measures the weather. Fitting a balance point, choosing a change-point model, reading residuals, and versioning a baseline.
ESG reporting is a cost centre. It does not have to be.
Organisations pay twice: once to assemble carbon data by hand, again in the savings nobody looked for in it. One measured pipeline does both jobs and survives audit.
Reading a BMS you did not commission
Point names that lie, intervals that are not what they claim, cumulative registers that roll over, and meters that stopped two years ago. A first-week field guide.
Want this applied to your own buildings?
Tell us what you already measure. We will say plainly what can be verified from it today and what cannot.