A single-facility alternative to Persefoni for Ontario manufacturers.
Enterprise climate management & accounting platform — strong on carbon finance, weak on installation-level primary data. Side-by-side comparison on pricing, OBPS v2.0, CBAM, NPRI, CDP, Bill C-59, and the 5-day reproducibility test.
What Persefoni is — and where it falls short for Ontario.
Persefoni is the most widely cited carbon-accounting SaaS reference in mid-market and enterprise deals. Strong on carbon finance, scenario modeling, and audit-ready disclosure outputs. Weak on the installation-level primary-data ingestion that an Ontario industrial buyer actually needs for OBPS EEC and CBAM verification — the platform assumes facility-level inputs and pulls from spend-based or average factors where supplier data is missing.
Where Persefoni wins, and where it falls short.
Persefoni's strengths
Strong on disclosure and carbon finance
TCFD, CDP, SBTi alignment built in. Useful for the corporate sustainability team's reporting cycle once the data exists.
Mature customer base
Used by several Fortune 500 corporate sustainability teams. Procurement will recognize the brand.
Good UX for non-technical users
Finance and sustainability leads can navigate the platform without engineering support.
Where VantageHSG pulls ahead
Spend-based and average-factor defaults
Where supplier data is missing, Persefoni falls back to industry-average factors. That's not verifier-grade for OBPS EEC v2.0 or CBAM.
No installation-level boundary
The boundary is facility-level. Ontario industrial buyers with multi-line, multi-process plants need installation-level primary data.
$15K+ floor is procurement-heavy
Annual contract only. Multi-stakeholder approval required. Not viable for a 50,000 tCO₂e/yr facility pilot.
Side-by-side: VantageHSG vs Persefoni.
14 rows. Pricing, methodology, data freshness, and Ontario-specific compliance.
| Capability | Persefoni | VantageHSG |
|---|---|---|
| Pricing (mid-market, single facility) | $15K–$100K+ ACV | CA$799–CA$1,999/mo |
| Data freshness | Annual snapshot | Continuous / real-time |
| Installation-level boundary | Partial — facility-level only | Yes — verifier-grade |
| OBPS v2.0 quantification | Yes (configurable) | Yes (built-in for Ontario) |
| 5-day reproducibility test | No | Yes |
| CBAM XML export | Add-on module | Included on Enterprise |
| CDP Supply Chain response | Add-on | Included on Enterprise |
| Setup time | 6–12 weeks | Day 1 sample report; Day 90 pilot decision |
| Onboarding model | Big-4-style consultant | Self-serve + paid pilot |
| Canadian NPRI line items | Mapped via config | Built-in |
| Bill C-59 methodology statement | Add-on consulting | Included on Growth+ |
| Pricing model | Annual contract only | Monthly billing, cancel anytime |
| 5-day reproducibility SLA | Not offered | Yes — auditable replay hash |
| EUR pricing for EU buyers | USD only | EUR for CBAM Bundle; CAD for CA exporters |
Why teams switch from Persefoni to VantageHSG.
Verifier pushback on factors
Teams that took Persefoni to a Big-4 verifier for OBPS EEC and got flagged on factor lineage and methodology statement moved to VantageHSG for primary-data ingestion.
CBAM exposure realization
Once a CBAM-exposed facility realized the EU importer needed XML-aligned embedded-emissions data, not an annual average, they moved to VantageHSG.
Time-to-first-report
Persefoni's 6-12 week setup became a 90-day pilot decision with VantageHSG. For a single facility, that's the difference between starting now and starting in Q4.
Ready to compare on your facility's actual data?
Send one document — an MTC, fuel slip, LIMS export, or SAP extract. We'll return a sample carbon report with full provenance, factor lineage, and the gaps your verifier or EU importer would ask about.