How it works

Multiple people contribute data.
One audit-ready ledger.

VantageHSG is built for entire teams — not one sustainability person doing spreadsheet archaeology. Here is the end-to-end flow from messy operational data to defensible carbon numbers.

Send one source documentWatch 30-second demo

The pipeline

Four steps. Zero spreadsheet wall.

01

Ingest from anywhere

Operations uploads MTCs. AP forwards fuel slips. HR emails receipts. Finance drops SAP exports. Everything lands in one shared inbox.

02

Normalize and deduplicate

Wet tonnes become dry tonnes. GJ becomes MMBtu. Duplicate bills are flagged before they pollute the ledger.

03

Calculate from primary data

ECCC and IESO factors are version-pinned. Mass balance runs where process data is rich. EEIO fallback is disclosed.

04

Export audit-ready outputs

Scope 1, 2, and 3 reports with lineage tokens, Bill C-59 substantiation, and verifier-ready exports.

Interactive playground

Drive the engines yourself.

Move the sliders and watch real ECCC factors, stoichiometric mass balance, and a live SHA-256 audit seal transform your inputs into certified tonnes of CO2e — the same math that runs in production.

⚡ Live engine demo

Drive the pipeline

Move the sliders — every formula below recalculates instantly.

🔥 Natural gas bill
Consumption12,000 m3
⚡ Grid electricity (hydro bill)
Consumption120,000 kWh
🏭 EAF steel heat (lab assay)
Scrap charged100 t
Carbon additives (4.0% C)10 t
Graphite electrodes (99% C)6,000 kg
01

Ingestion & Verification

Bill OCR · Lab Assay Ingest → JSON schema

02

Factor Resolution

ECCC 2024 NIR · Provincial grid lookup

03

Calculation Engine

Stoichiometric mass balance · Scope 1 / 2 / 3

04

Audit Sealing

SHA-256 hash chain · provenance token

🧮 Live math — see how inputs become certified tonnes

Formulas mirror the production engines (ECCC NIR 2024 · IESO · stoichiometric 44/12).
STAGE 1 — INGESTION & VERIFICATION
OCR → JSON
bill scanned → {naturalGasVolume, kwh, assay rows} · confidence ≥ 0.85
3 docs
Unit normalize
GJ × 26.137 = m³
12,000 m³
STAGE 2 — FACTOR RESOLUTION
Natural gas
ECCC NIR 2024 · 1,891 g CO₂e/m³
pinned v2024
Ontario grid
ECCC NIR · 59 g CO₂e/kWh (2026)
pinned v2026
Electrodes
assayed carbon content 99% → stoichiometric
vetted
STAGE 3 — CALCULATION ENGINE
Scope 1 · gas
12,000 m³ × 1,891 g/m³ ÷ 1,000,000
22.69 t CO₂e
Scope 2 · grid
120,000 kWh × 59 g/kWh ÷ 1,000,000
7.08 t CO₂e
EAF · C in
100×0.15% + 10×4.0% + 6,000kg×99%
6.49 t C
EAF · C out
steel 101.2 t × 0.20% + slag 8.8 t × 0%
0.202 t C
EAF · emitted C
C in − C out
6.288 t C
EAF · process CO₂
6.288 t C × 44/12
23.05 t CO₂
EAF · energy CO₂
49,500 kWh × 0.030 kg/kWh ÷ 1,000
1.485 t CO₂e
EAF · intensity
total ÷ steel out
242.49 kg CO₂e/t
Scope 1
47.23
t CO₂e
Scope 2
7.08
t CO₂e
Certified total
54.31
t CO₂e
STAGE 4 — AUDIT SEALING
Provenance token
sha256(assay inputs) → 16 hex
0081757036574342
Report hash
sha256(canonical report JSON)
e1e28b95f7f2e94965…
prev: a1fc9bf4dda3d060…
hash: e1e28b95f7f2e9496581c0334de9cc075b427d8cfd28cc1ef460e372056cbabc

Explainer videos

How the math works, visually.

Two 3Blue1Brown-style animations that play on load: the EAF carbon mass balance and the SHA-256 audit chain.

Scene 1 — EAF carbon mass balance: carbon in vs carbon out, stoichiometric 44/12.
Scene 2 — SHA-256 audit chain: every report seals the previous hash.

Product screenshots

What you actually get.

Real dashboard views — not abstract diagrams.

VantageHSG dashboard showing Scope 1, 2, and 3 totals
Carbon ledger dashboard
VantageHSG shared upload inbox and document registry
Shared upload inbox
VantageHSG data checking and verification panel
Data checking & lineage

Live product demo

See the pipeline in motion.

Watch a London Hydro utility bill get extracted, calculated, and sealed to the ledger in real time.

Explore all 5 workflow demos →

Ready to prove it on your data?

Watch the demo, request a free sample from one document, or start a paid pilot.

Request sample reportStart paid pilot