### Number of units 1 Electric rate ($/kW h) $0.113 Wa ter rate ($/1000 gallons) $4.529 Gas rate ($/therm) $1.330 Average number of loads per week 7.5 Ty pe of water heating Ty pe of clothes dryer

Initial cost per unit (estimated retail price) $750 $492



### Annual Operating Costs * 

### Electricity costs $63 $89 $25 Wa ter costs $26 $55 $30 Gas costs $0 $0 $0 

### Total $89 $144 $55



### Life Cycle Costs * 

### Operating costs (electricity, water, and maintenance) $780 $1,260 $481 Electricity costs $556 $777 $221 Wa ter costs $224 $483 $260 Gas costs $0 $0 $0 Purchase price for 1 unit(s) $750 $492 -$258 

### Total $1,530 $1,752 $223

Simple pay back of initial additional cost (years) † 

### 4.7

Initial cost difference Life cycle savings Net life cycle savings (life cycle savings - additional cost) Simple pay back of additional cost years Life cycle electricity saved kWh Life cycle air pollution reduction lbs of CO 2 

### Air pollution reduction equivalence cars removed from the road for one year Air pollution reduction equivalence acres of forest planted Savings as a percent of retail price 

### $258 $481 $223 4.7

30% 2,464 3,795 0.32 0.39 †A simple payback period of zero years means that the payback is immediate. 

## Summary of Benefits for 1 Residential Clothes Washer(s)

1 ENERGY STAR Qualified Unit(s) 1 Conventional Unit(s) Savings with ENERGY STAR

* Annual costs exclude the initial purchase price. All costs, except initial cost, are discounted over the products' lifetime using a real discount rate of 4%. See "Assumptions" to change factors including the discount rate.



## Annual and Life Cycle Costs and Savings for 1 Residential Clothes Washer(s)



# Life Cycle Cost Estimate for 1 ENERGY STA R Qualified Residential Clothes Washer(s)

This energy savings calculator was developed by the U.S. EPA and U.S. DOE and is provided for estimating purposes only. Actual energy savings may vary based on use and other factors. 

## Enter your own values in the gray boxes or use our default values.

ENERGY STAR Qualified

Unit Conventional Unit Choose the type of washing machine

Electric Water Heating Residential

Electric Dryer

### Category Data Source 

### Power & Water ENERGY STAR Qualified Unit Initial Cost Per Unit $750 Average retail price of a qualified model in 2009 from national retail data Lifetime 11 years Appliance Magazine, September 2008 Annual W ater Consumption 5637 gal/yr Average water consumption based on all qualified models, July 2009 Water Consumption (gal/Load) per unit 14.38 (gal/load)/unit Calculated Electricity Consumption (kWh/Load) per unit 1.436 (kWh/load)/unit Calculated Gas Consumption (therms/Load) per unit 0.00 (therms/load)/unit Calculated

Selected Scenario
Electric Water Heating & Electric Drying Reference Case Annual Electricity use 563.0 kWh/yr Average energy consumption based on all qualified models, July 2009 Electricity use per load 1.44 kWh/load Calculated Electric Water Heating & Gas Drying Reference Annual Electricity use 192.00 kWh/yr Average energy consumption based on all qualified models, July 2009 Electricity use per load 0.49 kWh/load Calculated Reference Annual Gas Use 12.80 therms/yr Average energy consumption based on all qualified models, July 2009 Gas consumption per load 0.03 therms/load Calculated Electric Water Heating with No Drying Reference Annual Electricity use 192.00 kWh/yr Average energy consumption based on all qualified models, July 2009 Electricity use per load 0.49 kWh/load Calculated Gas Water Heating & Gas Drying Reference Annual Electricity use 56.9 kWh/yr Average energy consumption based on all qualified models, July 2009 Electricity use per load 0.15 kWh/load Calculated Reference Annual Gas Use 20.8 therms/yr Average energy consumption based on all qualified models, July 2009 Gas consumption per load 0.05 therms/load Calculated Gas Water Heating & Electric Drying Reference Annual Electricity use 390.00 kWh/yr Average energy consumption based on all qualified models, July 2009 Electricity use per load 0.99 kWh/load Calculated Reference Annual Gas Use 8.00 therms/yr Average energy consumption based on all qualified models, July 2009 Gas consumption per load 0.02 therms/load Calculated Gas Water Heating with No Drying Reference Annual Electricity use 56.90 kWh/yr Average energy consumption based on all qualified models, July 2009 Electricity use per load 0.15 kWh/load Calculated Reference Annual Gas Use 8.00 therms/yr Average energy consumption based on all qualified models, July 2009 Gas consumption per load 0.02 therms/load Calculated
Conventional Unit (New Unit) Initial Cost Per Unit $492 Average retail price of a non-qualified model in 2009 from national retail pricing Lifetime 11 years Appliance Magazine, September 2008 Annual W ater Consumption 12179 gal/yr Average water consumption based on all non-qualified models, July 2009 Water Consumption per unit 31.07 gal/Load Calculated Electricity Consumption per unit 2.008 kWh/Load Calculated Gas Consumption per unit 0.00 therms/load Calculated
Electric Water Heating & Electric Drying Reference Case Annual Electricity use 787 kWh/yr Average energy consumption based on all non-qualified models, December 2008 Electricity use per load 2.01 kWh/load Calculated Electric Water Heating & Gas Drying Reference Annual Electricity use 333.00 kWh/yr Calculated Electricity use per load 0.85 kWh/load Calculated Reference Annual Gas Use 15.70 therms/yr Calculated Gas consumption per load 0.04 therms/load Calculated Electric Water Heating with No Drying Reference Annual Electricity use 333.00 kWh/yr Calculated Electricity use per load 0.85 kWh/load Calculated Gas Water Heating & Gas Drying Reference Annual Electricity use 80.7 kWh/yr Average energy consumption based on all non-qualified models, December 2008 Electricity use per load 0.21 kWh/load Calculated Reference Annual Gas Use 29.8 therms/yr Average energy consumption based on all non-qualified models, December 2008 Gas consumption per load 0.08 therms/load Calculated Gas Water Heating & Electric Drying Reference Annual Electricity use 487.00 kWh/yr Calculated Electricity use per load 1.24 kWh/load Calculated Reference Annual Gas Use 14.10 therms/yr Calculated Gas consumption per load 0.04 therms/load Calculated Gas Water Heating with No Drying Reference Annual Electricity use 80.70 kWh/yr Calculated Electricity use per load 0.21 kWh/load Calculated Reference Annual Gas Use 14.10 therms/yr Calculated Gas consumption per load 0.04 therms/load Calculated 

### Usage (Reference Case) Residential and Commercial Clothes Washers Average number of loads per year (Res) 392 loads/year DOE Federal Test Procedure 10 CFR 430, Appendix J1 Average number of loads per year (Commercial) 950 loads/year Multi-family Laundry Association, 2002 Number of loads per week (Residential) 7.5 loads/week Calculated Number of loads per week (Commercial) 18.3 loads/week Calculated



### Discount Rate Commercial and Residential Discount Rate (real) 4% A real discount rate of 4 percent is assumed, which is roughly equivalent to the nominal discount rate of 7 percent (4 percent real discount rate + 3 percent inflation rate).

Commercial Electricity Price $0.1030 $/kWh Source: US electric rate: Energy Information Administration, Annual Energy Outlook 2009 (Early Release) edition. (converted from 2007 to 2008 dollars).
Residential Electricity Price $0.1127 $/kWh Source: US electric rate: Energy Information Administration, Annual Energy Outlook 2009 (Early Release) edition. (converted from 2007 to 2008 dollars). 

### Assumptions for Clothes Washers

Value

Electric W ater Heating and DryingWa ter Rate per 1000 Gallons $4.53 $/1000 gal 2006 W ater and W astewater Rate Survey, Raftelis Consulting

Commercial Gas Price $1.18 $/therm Source: US electric rate: Energy Information Administration, Annual Energy Outlook 2009 (Early Release) edition. (converted from 2007 to 2008 dollars).

Residential Gas Price $1.33 $/therm Source: US electric rate: Energy Information Administration, Annual Energy Outlook 2009 (Early Release) edition. (converted from 2007 to 2008 dollars).



### Carbon Dioxide Emissions Factors Electricity Carbon Emission Factor 1.54 lbs CO 2/kWh EPA’s Climate Change Action Plan (CCAP) number for 2009. Gas Emission Factor 116.97 lbs CO 2/MMBtu EPA 2007



### CO 2

### Equivalents

Annual CO 2sequestration per forested acre 9,700 lbs CO 2/year EPA’s Greenhouse Gas Equivalencies Calculator. http://www.epa.gov/cleanenergy/energyresources/calculator.html

Annual CO 2emissions for "average" passenger car 12,037 lbs CO 2/year EPA’s Greenhouse Gas Equivalencies Calculator. http://www.epa.gov/cleanenergy/energyresources/calculator.html

For questions, comments or suggestions, please write to escalcs@cadmusgroup.com Updated October 2009