The following table provides the details of current sources available in the OEFDB and explains where exactly we have retrieved the emissions factors from.
| Source | Year published | Links | Notes | License |
|---|---|---|---|---|
| ADEME | 2021 | Base Carbon Data v20.1 | French domestic EFs are retrieved from the CSV database "Extraction of Base Carbone Database" version 20.1. | Open license (Information released under the Open License may be re-used with attribution, such as a URL or other identification of the producer). The license was designed to be compatible with Creative Commons Licenses, Open Government License, and the Open Data Commons Attribution License.Information released under the Open License may be re-used with attribution, such as a URL or other identification of the producer. |
| ADEME | 2013 | Electricity mix for other countries (IEA 2013) | International electricity emissions are retrieved from the "Electricity mix for other countries" page, data provided by the International Energy Agency. | Open license (Information released under the Open License may be re-used with attribution, such as a URL or other identification of the producer). The license was designed to be compatible with Creative Commons Licenses, Open Government License, and the Open Data Commons Attribution License.Information released under the Open License may be re-used with attribution, such as a URL or other identification of the producer. |
| AIB | 2021 | 2020 European Residual Mix Report | EFs are retrieved from Table 5 of the 2020 European Residual Mix Report. | Not specified. |
| AIB | 2022 | 2021 European Residual Mix Report | EFs are retrieved from Table 5 of the 2021 European Residual Mix Report. | Not specified. |
| BEIS | 2021 | Greenhouse gas reporting: conversion factors 2021 | All standard EFs are retrieved from the "Conversion factors 2021: flat file". | UK open government license |
| BEIS | 2018 | Spend-based conversion factors | Provided by BEIS/DEFRA in the official report on GHG Emissions of the UK between 1996-2018. Where source emission factors are identical across a variety of activities they have been grouped to avoid confusion - details are documented in the OEFDB methodology. | UK open government license |
| CCF | 2021, 2022 | Cloud Carbon Footprint Methodology Section | Data is calculated using the assumptions provided by the Cloud Carbon Footprint. More info can be found in the Climatiq’s how-to guide. | Cloud Carbon Footprint is an open-source project, sponsored by Thoughtworks Inc. under the Apache License, Version 2.0 |
| CT | 2019 | Climate Transparency Brown to Green Report 2019 | EFs are retrieved from the figure on page 30 of the Climate Transparency Brown to Green Report 2019. | Not specified. |
| DISER | 2021 | National Greenhouse Accounts Factors | EFs are retrieved from Table 5 of the National Greenhouse Account Factors 2021 [PDF 1.19 MB]. | All material in this publication is licensed under a Creative Commons Attribution 4.0 International License, save for content supplied by third parties, logos, any material protected by trademark or otherwise noted in this publication, and the Commonwealth Coat of Arms. Creative Commons Attribution 4.0 International License is a standard form license agreement that allows you to copy, distribute, transmit and adapt this publication provided you attribute the work. A summary of the licence terms is available from https://creativecommons.org/licenses/by/4.0/ The full licence terms are available from https://creativecommons.org/licenses/by/4.0/legalcode Content contained herein should be attributed as National Greenhouse Accounts Factors, Australian Government Department of Industry, Science, Energy and Resources |
| DEWA | 2020 | DEWA Sustainability Report 2020 | EFs are retrieved from the figure on page 78 of the DEWA Sustainability Report 2020. | Not specified. |
| EPA | 2021, 2022 | eGRID Download Detailed Data | eGrid data is retrieved from eGRID2019 Data File (XLSX) and eGRID2020 Data File (XLSX). State annual CO2 equivalent total output emission rate column. | US Public Domain License |
| EPA | 2021 | EPA's GHG Emission Factors Hub | EFs are retrieved from the EPA's GHG Emission Factors Hub (xlsx). | US Public Domain License |
| EPA | 2020 | Spend-based data | Spend-based data is calculated from 2016 data applying IPCC 4th Assessment Report conversion factors. | US Public Domain License |
| EPPO | 2020 | Energy Policy and Planning Office (EPPO) of Thailand | EFs are retrieved from Table 9.1-15 of Energy Policy and Planning Office (EPPO) of Thailand statistics. | Not specified. |
| EXIOBASE | 2021 | EXIOBASE 3 Environmentally Extended Multi-Regional Input‐Output Tables | EFs are retrieved from the Multipliers Matrix M.txt and include all supply chain emissions (territorial and abroad, including all required inputs) | Creative Commons Attribution-ShareAlike 4.0 International License |
| GEMIS | 2021 | Global Emission Model for Integrated Systems (GEMIS) v5.0 | EFs are retrieved from from GEMIS model version 5.0 in July 2021 | Creative Commons Attribution-ShareAlike 4.0 International License |
| GHG Protocol | 2021 | GHG Emissions Calculation Tool | EFs are retrieved from the GHG Emissions Calculation Tool.xlsx, Emission Factors tab. | All material in this tool is provided by third parties. Please see the source information in the description for each emission factor. |
| GHG Protocol | 2017 | Quantis+GHG Protocol Scope 3 Evaluator | EFs are retrieved from the Quantis+GHG Protocol Scope 3 Evaluator for the year 2016 and apply for years beyond 2016. | Not specified. |
| GLEC | 2019 | GLEC Framework | EFs are retrieved from the Global Logistics Emissions Council Framework for Logistics Emissions Accounting and Reporting (2019). | Not specified. |
| HKEI | 2020 | HK Electric Investments Sustainability Report 2020 | EFs are retrieved from the table on page 71 of the HK Electric Investments Sustainability Report 2020. | Copyright Notice: HK Electric Investments Limited is the owner of all copyright works contained in this website and we give permission for information on this website to be downloaded and reproduced provided that the reproduction is for non-commercial use. HK Electric Investments Limited should be acknowledged as the source when reproducing any part of or quoting any information contained in this website. |
| MFE | 2020 | MfE Guidance for Voluntary GHG Reporting - 2020 Detailed Guide. | EF of electricity purchased from the grid is retrieved from the pdf file. All EFs retrieved from the 2020 Emission Factors Flat File. | The guide has been prepared in accordance with ISO 14064-1:2018 and the GHG Protocol Corporate Accounting and Reporting Standard. |
| STC-Nestra B.V. | 2018 | STC-NESTRA B.V | Data is retrieved from Annex II: IWT GHG Emission factors. | Not specified. |
| UBA | 2020 | UBA | The ProBas tool provides various models, and tools with which emission factors are calculated. These are mainly calculated with GEMIS and Öko-Institut assumptions. | GEMIS has a freeware model, meaning there are no paid licenses required to use the application, no fees or donations necessary, no restrictions on how many times you can download or open the program, and no expiration date. Might be the most permissive license of all DBs. |
| UNFCCC | 2021 | Canada 2021 National Inventory Report (NIR) | EFs are retrieved from Table A13 of the Canada 2021 National Inventory Report (NIR) - Part3. | Unless otherwise specified, may not reproduce materials in this publication, in whole or in part, for the purposes of commercial redistribution without prior written permission from Environment and Climate Change Canada’s copyright administrator. |