Sperion Carbon Explorer Vue.js MVP
Upload ledgers or activity data → map to factors → estimate emissions with traceable evidence.
EF Library {{ Object.keys(state.efLibrary).length }}

1) Data Input

Spend-based (CSV)
Activity-based
Required columns: date, vendor, category, amount, currency
Records loaded: {{ state.spendRows.length }}

2) Factor Library (Demo)

This demo uses simplified factors. In production, bind to curated libraries (DEFRA/EPA/eGRID/IEA) with version locks.
Method Snapshot
Activity ≫ Spend
QA Mode
Evidence-bound
Uncertainty
P50 + Bands

3) Results

Total CO₂e (t) {{ formatT(totalCO2e/1000) }}
No results yet. Upload data and click Estimate.
Type Date Vendor / Source Category Amount / Qty Factor CO₂e (kg) Evidence
{{ r.kind }} {{ r.date || '-' }} {{ r.vendor || r.source || '-' }} {{ r.category }} {{ r.amount || r.quantity }} {{ r.efKey }} = {{ r.ef.value }} {{ r.ef.unit }} {{ format(r.co2e) }} view —

Category Breakdown

CategoryRecordsCO₂e (kg)
{{ s.category }} {{ s.count }} {{ format(s.co2e) }}
Demo only. © {{ new Date().getFullYear() }} Sperion. · Load demo ledger