Mass balance · Primary data · Ontario
Mass balance carbon accounting for Ontario facilities —
inputs, outputs, and emissions that actually reconcile.
Spreadsheet emission factors break when scrap ratios shift, moisture varies, or bath chemistry drifts. VantageHSG runs first-principles mass balance on your actual operational data for Ontario steel, cement, chemical, and finishing facilities.
Why flat emission factors fail on real factory floors
Industry-average emission factors assume steady-state operation: fixed scrap ratio, constant clinker content, stable bath chemistry. Real Ontario facilities don't run that way. An EAF operator in Sault Ste. Marie might run 85% scrap one month and 60% the next. A cement plant burning RDF with 25% moisture applies the wrong factor if the calculator ignores water content. An electroplater whose nickel bath drifts puts NPRI reporting at risk when metal-in doesn't equal metal-out plus waste. Flat factors can be off by 40% or more — and verifiers know it.
How mass balance works in VantageHSG
Mass balance starts with conservation of mass: what goes in must equal what comes out plus what's emitted or stored. We ingest your operational records — production logs, material receipts, waste manifests, bath chemistry readings, fuel slips — and reconcile them into a closed system. For blast furnace steel: hot metal production, slag rate, coke consumption, and gas recovery. For cement: clinker produced, fuels burned (moisture-corrected), and SCM substitution. For electroplating: metal added, metal plated, drag-out, and waste. Emissions fall out of the balance as the difference between carbon in and carbon out — tied to specific ECCC factors, not industry defaults.
The audit trail verifiers actually want to see
A mass balance that reconciles on paper but can't show its inputs isn't defensible. VantageHSG links every balance line to a source document: the MTC that certified the steel chemistry, the fuel slip that recorded natural gas consumption, the LIMS assay that measured bath nickel concentration. When a verifier asks 'where did this number come from?', you click through to the document, the extraction, the normalization step, and the factor applied. The immutable audit ledger records every change — who updated the scrap ratio assumption, when the factor version changed, why a gap was flagged.
Mass balance as the foundation for every compliance output
The same mass balance that produces your Scope 1 combustion total also feeds Scope 3 purchased goods, NPRI substance reports, per-part OEM footprints, and CBAM embedded carbon values. Build the balance once from real data; export it in whatever format your next deadline requires. Start with one document to see the reconciliation. Scale to a 90-day pilot proving mass-balance quality across your top material streams. Deploy continuously at $299/month and never rebuild the balance from scratch every May.
Why VantageHSG
Built for Ontario manufacturers — not retrofitted from generic SaaS.
- ✓Conservation-of-mass reconciliation on every material stream
- ✓Moisture-corrected fuel combustion factors
- ✓Scrap ratio and production routing awareness
- ✓Bath chemistry balance for electroplating NPRI
- ✓Source document linked to every balance line
Common questions
Do we need perfect data to start mass balance?
No. Mass balance reveals gaps — that's its value. VantageHSG flags where inputs and outputs don't reconcile so you know exactly which records to improve, rather than discovering discrepancies during a verifier audit.
How is this different from LCA software?
LCA tools model hypothetical scenarios with generic databases. VantageHSG mass balance uses your actual operational data from real documents. The output is a facility-specific factor, not a database lookup.
Can mass balance handle byproduct and waste credit streams?
Yes. Blast furnace gas recovery, slag credits, and waste-derived fuel streams are modeled as outputs in the balance with appropriate carbon accounting per GHG Protocol and ECCC guidance.
Keep reading
Explore related topics
Solutions
- Scope 3 Reporting for Ontario Manufacturers →Stop guessing Scope 3 with industry averages. VantageHSG ingests MTCs, LIMS assays, fuel slips, and SAP purchase orders …
- NPRI & GHG Reporting for Ontario Manufacturers →Automate NPRI and federal GHG reporting for Ontario manufacturers. Mass-balance reconciliation, ECCC emission factors, s…
Industries
- Steel & foundries →Mass balance, scrap ratios, and Scope 3 from iron ore, coking coal, and ferroalloys.
- Concrete & cement →Clinker-to-cement ratio mass balance, moisture-corrected fuel emissions, and EPD-ready m³ numbers.
- Electroplating & finishing →Bath chemistry emissions, acid and metal waste streams, and Scope 3 from nickel, chrome, and zinc inputs.
- Plastics & chemicals →Process emissions, feedstock accounting, and Scope 3 from resin and chemical inputs.
Ready to see this on your facility?
Send one MTC, fuel slip, or production record. We'll return a sample report with factor lineage and gaps flagged — in 14 days, no obligation.
Request a sample report →