Having the data is not enough. The way you package and deliver per-job carbon data determines whether your commercial clients can use it or whether it becomes a research project for their ESG team. Usable data arrives in the right format, at the right time, with enough context to slot directly into their Scope 3 inventory without additional processing.
What Commercial Clients Actually Need
A commercial property manager’s ESG team needs: emissions in metric tons of CO2 equivalent (tCO2e), broken down by GHG Protocol Scope 3 category, attributed to a specific property and time period, with a methodology citation they can use in their disclosure documentation. Everything else is secondary. Lead with the numbers in the right format.
The RCP Per-Job Carbon Report Format
The RCP per-job carbon report is a single-page document containing: job identification (contractor, job ID, property address, job type, dates), emissions summary (total tCO2e with subtotals by Scope 3 category), category breakdown with activity data and emission factors, methodology citation (“Restoration Carbon Protocol v1.0, GHG Protocol Corporate Value Chain Standard, EPA/DEFRA emission factors”), and data quality notation flagging any estimated data points.
Delivery Timing and Format
Deliver within 30 days of job completion for planned maintenance work, 60 days for emergency loss events. Delivery timing matters because commercial clients aggregate Scope 3 data on an annual cycle — reports received after their cut-off date get pushed to the following year’s inventory.
Format options in order of preference: structured data file (CSV or JSON) feeding directly into ESG software, PDF carbon report for manual entry, standardized email summary with required fields clearly labeled. Ask which format the client’s ESG team prefers.
Building the Report Into Job Close-Out
Treat the per-job carbon report as a standard job deliverable — same category as moisture readings or job completion certificate. Adding it to your close-out checklist as a required item for commercial jobs ensures consistent delivery and builds the data discipline needed for reliable ESG reporting.
Handling Historical Data Requests
Commercial clients building their first Scope 3 inventory often request historical data going back two or three years. For jobs completed before RCP implementation, produce a retrospective estimate using RCP methodology applied to available historical records. Flag as estimated with documentation of what records were used. A documented estimate is more useful than a refusal to provide historical data.
Do you need to provide a carbon report for every job?
For SB 253 and GRESB purposes, only commercial clients have reporting obligations requiring contractor data. Building the data capture habit across all jobs reduces administrative burden and builds the operational discipline that makes commercial reporting reliable.
What if the client’s ESG team doesn’t know what to do with the data?
Include a brief explanatory cover note explaining which GHG Protocol Scope 3 categories the data covers and how to incorporate it into a portfolio-level Scope 3 inventory. The RCP will publish a standard client guidance document for this purpose.
Should you provide carbon data proactively or only when requested?
Proactive delivery — including the carbon report with standard close-out documentation for all commercial clients — is recommended. It demonstrates ESG maturity, avoids chasing data requests retroactively, and establishes you as a vendor who thinks about supply chain sustainability without being prompted.
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