Power Usage Effectiveness, or PUE, compares total facility energy with energy used by IT equipment. It can help explain efficiency, but it does not by itself disclose total energy use, water use, or local impacts.
A low PUE is not a complete environmental profile. Ask for the boundaries, reporting period, and facility-specific data.
What to verify locally: Use PUE correctly when reading a sustainability claim.
PUE without jargon
Use original public records whenever possible. A developer statement can explain an intent; an approval, permit, or utility filing is where enforceable details are more likely to appear.
Limits of the metric
Record the date, document title, agency, page number, and project address. That turns a claim into something another reader can check.
Evidence standard: this guide avoids treating a proposal as a completed project, and avoids treating a missing record as proof that no impact exists.