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OMV PV Economics - Grid Tie System            
Conversion-Colones/USD:
Total Usage (KWH/Month):
KWH over 300:
Elec Cost (from ICE) Rate Colones Dollars
First 200 KWh @
201-300 KWh @
> 300 KWh @
Total:
Item Qty Watts Hr/Day Utility
WH/Day Peak
Notes:
HOUSEHOLD
Lighting: Wattage 1
Lighting: Wattage 2
Lighting: Wattage 3
Ceiling Fan
Washing machine
Product Selection Help
Dryer
Product Selection Help
Hybrid Dryer
Garage Opener
Iron
Hair Dryer
Air Conditioner Wall Unit
Product Selection Help
Air Conditioner 2.5T Central
Product Selection Help
Vacuum Cleaner
Product Selection Help
Clock Radio
Dehumidifier
ENTERTAINMENT
Computer
Product Selection Help
Monitor
Laptop
Television
Product Selection Help
Internet Modem
Satellite TV Or Cable Box
Stereo System
DVD Player
Game Console
KITCHEN
Elec Stove Burners
Use Propane or Biogas
Electric Oven
Use Propane or Biogas
Refrigerator
Sunfrost Specs
Freezer
Sunfrost Specs
Dish Washer
Product Selection Help
Microwave
Blender
Coffee Maker
Brew, put in carafe, turn off.
Toaster
Toaster Oven
Slow Cooker
Electric Skillet
Mixer
Rice Maker
Garbage Disposal
Space Heater
HOT WATER
Demand, Whole House
Use Solar Thermal, Propane, Biogas
Demand, Shower or POU
Use Solar Thermal, Propane, Biogas
Storage, Whole House
Use Solar Thermal, Propane, Biogas
MISC WATER, SEWER
Water Pump (1 HP)
Sewage Pump
Pool Pump
TOOLS
Drill
Circular Saw
Belt Sander
Band Saw
AVERAGE DAILY TOTAL
OMV PV Economics - Grid Tie System            
(Edit cells highlighted YELLOW only. All other values are calculated)  
Grid Electricity Cost, $/KWh
Net Present Value
Annual Rate Increase %
of total savings in Years:
General Inflation %
Overall System Efficiency
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System Size (KW)
Installed Cost ($/KW)
Total Installed Cost ($)
Annual O&M Cost (4 hr/mo)
Savings: KWH/Year:
Savings; $/Year
Year # ROI Savings $/yr Cumulative Cash Flow  
0 0.0% 0 0
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How to Use;
1. Change values in blue text in yellow highlighted cells. Results automatically update when you move to the next input.
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How to Use;
1. Change values in yellow highlighted cells.