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Performance Indicator Data Sources - Waste

This page explains the logic behind how data is assigned to GRESB fields in the GRESB Asset Summary for Waste fields. This information is also available as a column in the GRESB Asset Summary dashboard.

All activity data is populated to align with the selected reporting period and floor area unit of measures defined in the GRESB Group Settings page. It’s recommended that you review your settings before assessing data quality, requesting validations or submitting data to GRESB to make sure GRESB and Envizi settings are aligned.

For all activity data (kWh of energy, tonnes of CO2e, m3 of water and tonnes of waste) see Tags and Location Settings to learn about how Envizi summarizes data for reporting.

Waste reporting is the most straightforward of the 4 indicators. The same logic applies for reporting activity data, but most users find it easiest to avoid tags and use only location settings if all waste production is considered ‘non-hazardous’.

Also note that for this indicator the waste disposal routes are recorded in GRESB Location Settings, which can either be captured in a form at the location level or using Grid Capture at the group level.

Other Performance Indicators

GRESB Field

Envizi Data Source

Data Availability - From - (yyyy-mm-dd)

1st of the Month from the earliest available data

Data Availability - To - (yyyy-mm-dd)

Last day of the month from the latest available data

Whole Building - Hazardous waste - Weight (tonne)

All waste production in the related building space, within the related data type category of ‘waste’ or ‘recycled waste’

see note above about Envizi classifies activity data

Whole Building - Non-hazardous waste - Weight (tonne)

All waste production in the related building space, within the related data type category of ‘waste’ or ‘recycled waste’

Whole Building - Data coverage - (%)

Special condition:

If waste data is not available, GRESB requires showing zero coverage.

Calculated field: Count number of months of data available divided by 12 * 100%. If no data then zero.

Proportion of waste by disposal route - Landfill - (%)

Percentage taken from GRESB Location Settings.

Proportion of waste by disposal route - Incineration - (%)

… same as above…

Proportion of waste by disposal route - Reuse - (%)

… same as above…

Proportion of waste by disposal route - Waste to energy - (%)

… same as above…

Proportion of waste by disposal route - Recycling - (%)

… same as above…

Proportion of waste by disposal route - Other / Unknown - (%)

… same as above…

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