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CO2-emissions associated with different electricity mixes

Agder Energi Produksjon AS want to document the CO2- equivalents associated with their electricity production, and relate the data to emission properties of various national and regional electricity mixes. Emissions related to the consumption of electricity may be calculated in a number of ways. There are a variety of databases to choose from and a variety of system approaches that can be used.

This project collects the best available data for greenhouse gas emissions associated with different electricity production mixes and indicates the potential range of emissions that can be used and some of the areas where more research is needed.

The data presented will be used by Agder Energi Production AS for illustrating the benefits of purchasing Guarantees of Origin for electricity. The Guarantees of Origin enable use of emissions associated with Norwegian Hydropower in documenting properties of renewable power products and is a disclosure of energy sources for electricity supply.

The results obtained for greenhouse gas emissions associated with different electricity production mixes are shown in the table below.

Electricity Mix (2007)

 

g CO2-equivalents/kWh

Norwegian Hydroelectricity

Nuclear

Coal

Other fossil fuels

Other renewable fuels

Waste

Norwegian Hydro Electricity

1.99

100

 

 

 

 

 

Norwegian Residual Mix

63.80

89.85

4.07

1.73

2.36

1.78

0.21

Swedish electricity

55.90

49.72

43.86

2.16

1.94

2.15

0.15

Swiss electricity

30.47

54.01

41.06

0.00

0.00

0.4

2.93

German electricity

741.71

4.33

22.08

48.86

1.42

10.2

3.2

UCTE electricity

629.75

11.28

29.10

39.44

14.86

4.7

0.62

 

This report documents the data used for calculating greenhouse gas emission properties related to different electricity production mixes. Data for electricity mixes, electricity production from different energy carriers and grid losses are documented. The software SimaPro 7.1.8 was used for the calculations performed.

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