Emission-factor sources & databases
The published datasets and national factor sets our calculators draw on — DEFRA, EPA eGRID, Ember, ecoinvent, ÖKOBAUDAT and more.
ADEME Base Carbone / Base EmpreinteADEME Base Carbone / Base Empreinte explained: France's official emission factor database for BEGES and carbon…AIB European Residual MixesAIB European Residual Mixes explained: the residual electricity emission factors for market-based Scope 2…ecoinvent LCI Databaseecoinvent explained: the leading life-cycle inventory (LCI) databaseEmber Yearly Electricity DataEmber's yearly electricity dataset explained: global generation, carbon intensity and emission factors…European Aluminium Environmental Profile ReportEuropean Aluminium's Environmental Profile Report explained: cradle-to-gate LCA data for primary, recycled and…Eurostat Environmental Accounts & Emission DataEurostat environmental accounts explained: the EU's official air-emissions accounts (AEA) and physical-flow dataGreen-e US Residual MixThe Green-e US residual mix explained: the de-greened grid factor for uncovered electricity under market-based…ICE DatabaseInventory of Carbon and Energy (ICE) — embodied carbon factors for construction materials: coverage, methodology…IEA Global Energy Review 2026IEA Global Energy Review 2026 — definitive reference to the year's energy demand, fuel mix, electricity, and…IEA PVPS Task 12It binds no one, yet almost every credible solar PV footprint traces back to it. IEA PVPS Task 12's LCA methodMPA Cement Fact Sheet 18CEM I 840 down to CEM III/B 260 kg CO2/t, GGBS 155 or 75 depending on allocation, fly ash 22ÖKOBAUDATÖKOBAUDAT explained: Germany's official EPD database for construction productsPoore & Nemecek (2018) Food LCAThe landmark food LCA meta-analysis: 570 studies, 38,700 farms, and why the same food varies up to 50x in…UK DEFRA Emission Factors (2026) — Carbon Accounting ReferenceDEFRA emission factors explained: the Scope 1 / Scope 3 well-to-tank split, why GWP is already embedded, and when…US EPA eGRID — Definitive Reference for US Scope 2 FactorsAll 27 eGRID subregion emission rates (eGRID2023rev2) in lb/MWh and kg/kWh, the US national average (767 lb…
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