CarbonTiers vs Watershed | IPCC National Inventory vs Corporate Carbon Tool

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CarbonTiers vs Watershed

Built for IPCC national inventories, CBAM compliance and UNFCCC CRF reporting.

Watershed is a corporate carbon management platform focused on enterprise Scope 1/2/3 footprinting and supplier engagement. CarbonTiers covers the IPCC 2006 national inventory methodology — five sectors, Tier 3 calculation, CRF export — alongside ISO 14064-1 corporate reporting and full CBAM embedded carbon modelling.

Feature

CarbonTiers

Watershed

IPCC 2006 — 5 sector national inventory

Energy, IPPU, Agriculture, LULUCF, Waste

Yes

—

Tier 1 / 2 / 3 calculation levels

Switch tiers per sub-module

Yes

—

UNFCCC CRF table export

Audit-ready Common Reporting Format

Yes

—

CBAM embedded carbon calculation

Cement, steel, aluminium, fertilisers

Yes

Partial

Scope 1 / 2 / 3 corporate footprint

ISO 14064-1 + GHG Protocol compliant

Yes

Scope 2 dual reporting (location + market)

GHG Protocol Scope 2 Guidance

Yes

Scope 3 — all 15 categories

Including Category 11 use-of-sold-products

Yes

81 sector-specific mitigation measures

Per IPCC category mitigation catalogue

Yes

—

GHG scenario modelling (1.5°C, 2°C, BAU)

Custom S-curve, polynomial & EU ETS pathways

Yes

Partial

NACE-code sectoral benchmarking

For ISO 14064-1 peer comparison

Yes

—

GWP AR4 / AR5 / AR6 switching

Single-click GWP version toggle

Yes

Partial

Country Inventory creation

National-level cross-sector inventory

Yes

—

Free Tier 1 plan (no credit card)

All 5 sectors at Tier 1 — free forever

Yes

—

Supplier engagement / value chain

Watershed strength: supplier data collection

—

Yes

Enterprise SSO / team management

Watershed targets large enterprise teams

—

Yes

Yes Partial / limited Not available

When to Choose CarbonTiers

Ministry or government agency preparing a national GHG inventory for UNFCCC submission
Consultancy delivering IPCC 2006-aligned sectoral inventories for developing nations
Industrial facility needing Tier 3 process-level calculation and CBAM reporting
Company requiring ISO 14064-1 corporate carbon footprint alongside national-level data

Start Free. Scale When You Need It.

CarbonTiers starts free — no enterprise contract, no minimum seats. See the pricing page for current plans.

No enterprise contract. No minimum seats.

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Also see

CarbonTiers vs Sweep CarbonTiers vs Normative