C02 Emissions Rate Info

The C02 emissions rate is the carbon intensity per kWh of electricity generated. This rate is based on the fuel mix (coal, hydro, nuclear, etc) used to generate the electricity that will power the electrical geothermal HVAC systems.

This intensity data can be found fairly easily on state, provincial, national and NGO environmental protection websites. As the emissions rate can vary greatly, it is recommended that the designer spend a few minutes finding the appropriate rate for the project’s region.

In the USA, the national average is 1.34 lbs of per kWh. Detailed information on states, provinces or countries around the world can be found on the following websites:

• http://www.eia.doe.gov/oiaf/1605/ee-factors.html   (U.S.A.)
  

• http://www.ec.gc.ca/pdb/ghg/inventory_report/2005_report/a9_eng.cfm   (Canada)
  

• http://www.eea.europa.eu/data-and-maps/figures/co2-electricity-g-per-kwh  (Europe)
  

• http://carma.org   (CARMA- global information resource)

These sites periodically update the data and reference new studies as they become available. 

As with all engineering designs, it is ultimately the responsibility of the designer to decide if the data is relevant to their application and choose the appropriate design inputs.

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