Green-e
About Green-e
Green-e is a certification program in the United States focusing on renewable energy and carbon offset products and services, providing greenhouse gas emission factors for energy sources such as electricity.
Visit Green-e websiteDatasets from Green-e
2021 Green-e Residual Mix Emissions Rates
| Property | Value |
|---|---|
| Description | Green-e is a certification program in the United States focusing on renewable energy and carbon offset products and services, providing greenhouse gas emission factors for energy sources such as electricity. |
| Source type | Non-profit Organisation |
| Original dataset URL | URL |
| Year released | 2021 |
| Geography | US |
| Sector | |
| Type of data | Activity-based |
| Emission results | CO2 |
| Data Transformation | The source reports emissions in lbsCO2e/MWh, which have been converted to kgCO2e/kWh to ensure consistency in the database. |
License
| Property | Value |
|---|---|
| Type of license | Not specified |
| License URL | Not specified |
Data quality
| Property | Value |
|---|---|
| Data quality assurance | Vetted by Climatiq. For further information on data quality assurance, see: https://www.climatiq.io/methodology#Data-Quality |
| Quality flag(s) | Partial factor The source reports emission factors in CO2 only and does not include the impact of other GHGs. |
Methodology
| Property | Value |
|---|---|
| IPCC AR method |
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| LCA boundary |
|
| Scope applicability |
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| Emissions breakdown |
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| Methodology description | The Green-e® Residual Mix Emissions Rates, published annually by the Center for Resource Solutions (CRS), provide default GHG emission rates for untracked and unclaimed electricity in the US, with Green-e® Energy certified renewable energy purchases factored out. Rates are published each spring using Green-e® voluntary renewable energy market sales data from two calendar years prior and the most recent eGRID generation and emissions data, at the eGRID subregion level. The residual mix emission rate is calculated by first subtracting all unique Green-e® Energy certified sales (in MWh) from total generation within each eGRID subregion. Total CO₂ emissions for each subregion are then divided by this adjusted generation figure, producing an emission rate (lb CO₂/MWh) that accounts for voluntary renewable energy purchases. The rate to use is determined by the eGRID subregion where the electricity is consumed. Use of these rates is compatible with the GHG Protocol Scope 2 Guidance and aligned with guidance from CDP. |
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