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Electricity Costs over Time

Electricity Costs over Time. APA, 2007, Valdez Steve Colt Institute of Social and Economic Research University of Alaska Anchorage. Fundamental Cost Equation. Fuel price ($/gal) x Diesel Efficiency (gal/kWhd) = Fuel cost per diesel kWh x Diesel fraction of generation

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Electricity Costs over Time

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  1. Electricity Costs over Time APA, 2007, Valdez Steve Colt Institute of Social and Economic Research University of Alaska Anchorage

  2. Fundamental Cost Equation Fuel price ($/gal) x Diesel Efficiency (gal/kWhd) = Fuel cost per diesel kWh x Diesel fraction of generation = Fuel cost per overall kWh + Nonfuel cost per kWh = Overall cost of power ($/kWh)

  3. Application: all PCE communities

  4. Avg real PCE fuel price2006$/gal

  5. times:Efficiency (avg gal/kWh)

  6. equals:Avg fuel cost per diesel kWh2006$ / diesel kWh Fuel price

  7. times:diesel fraction of kWh

  8. equals:Fuel cost per avg kWh

  9. plus:Nonfuel cost per kWh

  10. equals:Total cost of power (2006$/kWh)

  11. Components of total cost2006$ per avg PCE kWh

  12. Recap:Index values (FY85 = 1.00)

  13. What about the Railbelt?

  14. Chugach Electricnatural gas avg price2006$/mcf

  15. Chugach Electricnatural gas efficiency mcf/kWh

  16. Chugach Electricavg cost of purch power2006$/kWh

  17. Chugach Electricavg retail revenue2006$/kWh

  18. Thank You! steve.colt@uaa.alaska.edu www.iser.uaa.alaska.edu

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