How to collect sustainability data reliably
To collect sustainability data that stands up to scrutiny, the collection method has to be recorded alongside the figure. In Jestor, each site submits through a form, evidence attaches to the record, and the method is a field, so a change in methodology is visible rather than hidden.
Why environmental reporting is hard to trust
Data comes from several sites, each using slightly different methods, collected annually by someone chasing spreadsheets.
A figure that improves between periods may reflect a real change or a different counting method, and without recording the method nobody can tell which.
What structured collection provides:
- Consistent definitions across sites
- Evidence attached to each figure
- A visible record of methodology changes
- Collection spread through the year rather than concentrated
- Comparability between periods and sites
What each data point should carry
| Element | Why |
|---|---|
| Metric and unit | Defined centrally, not per site |
| Period | Comparable boundaries |
| Site | Connected record |
| Value | The figure itself |
| Method | Measured, calculated or estimated |
| Evidence | The document behind it |
Step by step to structure it
- Define metrics and units centrally, so sites cannot interpret them.
- Create a submission record per site and period.
- Require the method alongside every value.
- Attach supporting evidence, such as a utility invoice.
- Collect monthly or quarterly, not annually.
- Flag implausible variation against the previous period.
- Record any methodology change explicitly.
Why recording estimated versus measured is essential
A figure derived from an invoice and a figure someone estimated are not comparable, and combining them produces a total whose reliability is unknown. Recording the method per data point means the aggregate can state how much of it is measured, which is the difference between a defensible report and a number.
Why choose Jestor
In Jestor, metrics live in a central registry so definitions are shared, sites submit through forms with required fields, evidence attaches to each record, OCR can extract values from utility documents, and conditional rules flag variation that warrants checking.
Frequently Asked Questions
Why record the collection method?
Because measured and estimated figures are not comparable and cannot be combined blindly. See jestor.com.
How often should data be collected?
Monthly or quarterly, which is more accurate than an annual reconstruction.
How are definitions kept consistent?
Through a central registry of metrics and units referenced by every site.
Video Tutorial: Step by Step
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