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Hourly Energy Emission Factors for Electricity Generation in the United States

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Emissions from energy use in buildings
are usually estimated on an annual basis using annual average multipliers. Using annual numbers provides a reasonable
estimation of emissions, but it provides no indication of the temporal nature
of the emissions. Therefore, there is no
way of understanding the impact on emissions from load
shifting and peak shaving technologies such as thermal energy storage, on-site
renewable energy, and demand control.

This project utilized GridViewTM, an
electric grid dispatch software package, to estimate hourly emission
factors for all of the [eGRID](http://www.epa.gov/cleanenergy/energy-resources/egrid/) subregions in the continental United
States. These factors took into account electricity imports and exports
across the eGRID subregion boundary, and included estimated
transmission and distribution (T) losses. Emission types accounted for included carbon dioxide (CO2), nitrogen oxides (NOx), and sulfur dioxide (SO2).Data
reported as part of this project include hourly average, minimum, and
maximum emission factors by month; that is, the average, minimum, and
maximum emission factor for the same hour of each day in a month.
Please note that the data are reported in lbs/MWh, where the MWh value
reported is site electricity use (the actual electricity used at the
building) and the pounds of emissions reported are the emissions
created at the generator to meet the building load, including
transmission and distribution losses. The demand profiles used to
generate the data pertain to the following years: eastern interconnect
- 2005; Electricity Reliability Council of Texas (ERCOT) - 2008;
Western Electricity Coordinating Council (WECC) - 2008.

Citation Formats

National Renewable Energy Laboratory. (2014). Hourly Energy Emission Factors for Electricity Generation in the United States [data set]. Retrieved from https://data.openei.org/submissions/276.
Export Citation to RIS
Studer, Daniel, Laboratory, National Renewable Energy. Hourly Energy Emission Factors for Electricity Generation in the United States. United States: N.p., 25 Nov, 2014. Web. https://data.openei.org/submissions/276.
Studer, Daniel, Laboratory, National Renewable Energy. Hourly Energy Emission Factors for Electricity Generation in the United States. United States. https://data.openei.org/submissions/276
Studer, Daniel, Laboratory, National Renewable Energy. 2014. "Hourly Energy Emission Factors for Electricity Generation in the United States". United States. https://data.openei.org/submissions/276.
@div{oedi_276, title = {Hourly Energy Emission Factors for Electricity Generation in the United States}, author = {Studer, Daniel, Laboratory, National Renewable Energy.}, abstractNote = {Emissions from energy use in buildings
are usually estimated on an annual basis using annual average multipliers. Using annual numbers provides a reasonable
estimation of emissions, but it provides no indication of the temporal nature
of the emissions. Therefore, there is no
way of understanding the impact on emissions from load
shifting and peak shaving technologies such as thermal energy storage, on-site
renewable energy, and demand control.

This project utilized GridViewTM, an
electric grid dispatch software package, to estimate hourly emission
factors for all of the [eGRID](http://www.epa.gov/cleanenergy/energy-resources/egrid/) subregions in the continental United
States. These factors took into account electricity imports and exports
across the eGRID subregion boundary, and included estimated
transmission and distribution (T) losses. Emission types accounted for included carbon dioxide (CO2), nitrogen oxides (NOx), and sulfur dioxide (SO2).Data
reported as part of this project include hourly average, minimum, and
maximum emission factors by month; that is, the average, minimum, and
maximum emission factor for the same hour of each day in a month.
Please note that the data are reported in lbs/MWh, where the MWh value
reported is site electricity use (the actual electricity used at the
building) and the pounds of emissions reported are the emissions
created at the generator to meet the building load, including
transmission and distribution losses. The demand profiles used to
generate the data pertain to the following years: eastern interconnect
- 2005; Electricity Reliability Council of Texas (ERCOT) - 2008;
Western Electricity Coordinating Council (WECC) - 2008.}, doi = {}, url = {https://data.openei.org/submissions/276}, journal = {}, number = , volume = , place = {United States}, year = {2014}, month = {11}}

Details

Data from Nov 25, 2014

Last updated Nov 25, 2014

Submitted Nov 25, 2014

Organization

National Renewable Energy Laboratory

Contact

Daniel Studer

Authors

Daniel Studer

National Renewable Energy Laboratory

National Renewable Energy Laboratory

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