エミッションファクター　2023年

出版：IEA (International Energy Agency)　出版年月：2023年9月

Emissions Factors 2023: Annual GHG emission factors for World countries from electricity and heat generation
エミッションファクター　2023年：世界の電力および熱発生からの年間GHG排出係数

※2023年9月に更新しました
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Emissions Factors 2023

IEA「エミッションファクター　2023年：世界の電力および熱発生からの年間GHG排出係数 – Emissions Factors 2023: Annual GHG emission factors for World countries from electricity and heat generation」は電力と熱発生からの温室効果ガスの排出に関連した指標を含むデータベースです。

主な掲載内容

1. 世界の電力および熱発生からのCO2排出係数（1990年から2021年までのkWh毎の二酸化炭素）
2. 世界の発電のみ [熱電併給システム（コージェネレーション／CHP）を含む）]からのCO2排出係数（1990年から2021年までのkWh毎の二酸化炭素）
3. 暫定的な発電データ（2021年のkWh毎のCO2）を基にした昨年（2022年）OECD諸国および特定非OECD諸国からのCO2排出係数
4. グリッド内の電力損失によるCO2排出の補正係数（1990年から2021年までのkWh毎のCO2）
5. OECD諸国の電力取引によるCO2排出の補正係数（1990年から2021年までのkWh毎のCO2）
6. 発電からのメタンガス（CH4）および亜酸化窒素（N2O）排出係数（1990年から2021年までのkWh毎のCO2eq）
7. 電力および熱発生以外の直接燃焼燃料による排出係数（燃料のkg毎のCO2）

Overview

1. CO2 emission factors from electricity and heat generation for world countries (in CO2 per kWh, 1990 to 2021).
2. CO2 emission factors from electricity only generation (CHP electricity included) for world countries (in CO2 per kWh,1990 to 2021).
3. Latest year (2022) CO2 emission factors for OECD countries and selected non-OECD countries based on provisional electricity generation data (in CO2 per kWh, 2021).
4. Correction factors for CO2 emissions induced by electricity losses in the grid (in CO2 per kWh,1990 to 2021).
5. Correction factors for CO2 emissions induced by electricity trade for OECD countries (in CO2 per kWh,1990 to 2021).
6. CH4 and N2O emission factors from electricity generation (in CO2eq per kWh,1990 to 2021).
7. Emission factors by fuel from direct combustion in other sectors than electricity and heat production (in CO2 per kg of fuel).

Important announcement:

The IEA is planning to disseminate a new pilot database including the life cycle emission factors corresponding to national electricity grids. The pilot database assesses and compile reliable data to provide a global harmonized database, in near future on an annual basis. The pilot database (IEA Life Cycle Upstream Emission Factors) will be released free of charge by October 2023. Following the release of this database, the Emissions Factors database will be amended to include the factors published in the pilot database. Please refer to the documentation file for details on the life cycle emission intensities covered in the new pilot database.

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