Detecting energy loss in municipal buildings

Cities struggle to find which public buildings waste heat and electricity outside occupancy hours.

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Problem

Facility teams lack bandwidth to review meter data across hundreds of schools and offices.

Monthly utility bills are reviewed; investigations start only after large spikes.

Unnecessary emissions and budget waste.

Models can rank buildings by anomalous night-time load and suggest likely causes (HVAC schedules, leaks).

Meter granularity varies; occupancy data may be missing.

Misattributing causes; privacy if occupancy is inferred too finely.

Energy audits and BMS rule alarms.

Audits are infrequent; BMS rules miss subtle schedule mismatches.

IEA buildings energy efficiency notes
Highlights operational inefficiencies as a major savings opportunity.

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