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EXAMPLE
List of appliances and power consumption
| Appliance (AC) |
watts |
number in use |
hours / day |
days / week |
average Watts / day |
|
| TV |
100 |
1 |
3 |
7 |
300 |
| Satelite system |
30 |
1 |
24 |
7 |
720 |
| VCR |
25 |
1 |
2 |
2 |
14 |
| Stereo |
55 |
1 |
2 |
4 |
63 |
| Computer/modem |
55 |
1 |
3 |
7 |
165 |
| 15" color monitor |
100 |
1 |
3 |
7 |
300 |
| Ink-jet printer |
35 |
1 |
0.5 |
7 |
18 |
| Laptop computer |
50 |
1 |
2 |
3 |
43 |
| Light bulbs energy-efficient 20-watt* |
20 |
10 |
4 |
7 |
800 |
| Iron |
1200 |
1 |
0.25 |
1 |
43 |
| Vacuum |
1200 |
1 |
0.25 |
1 |
43 |
| Hair dryer |
1200 |
1 |
0.1 |
7 |
120 |
| Fax/answering machine |
3 |
1 |
24 |
7 |
72 |
| Cell Phone (standby) |
3 |
1 |
24 |
7 |
72 |
| Cordless Phone(standby) |
3 |
1 |
24 |
7 |
72 |
| Microwave (0.8 to 1.5 cu. ft.) |
1400 |
1 |
0.5 |
7 |
700 |
| SunFrost RF19 refrigerator / freezer |
150 |
1 |
7 |
7 |
1050 |
| Exhaust hood |
144 |
1 |
1 |
7 |
144 |
| Coffee maker (brewing) |
1200 |
1 |
0.1 |
7 |
120 |
| Coffee maker (warming) use carafe |
600 |
0 |
2 |
7 |
0 |
| Toaster |
1200 |
1 |
0.1 |
7 |
120 |
| Dishwasher, cool dry |
700 |
1 |
1 |
3 |
300 |
| Staber Clothes Washer |
150 |
1 |
1 |
7 |
150 |
| Dryer (gas) |
500 |
1 |
1 |
4 |
286 |
| Sanders, misc. tools |
400 |
1 |
1 |
1 |
57 |
| Shop vacuum |
900 |
1 |
0.5 |
1 |
64 |
| Garage door opener |
700 |
1 |
0.1 |
7 |
70 |
| Garage door opener remote |
4 |
1 |
24 |
7 |
96 |
| Blenders, Mixers, Misc. Kitchen |
400 |
1 |
0.25 |
2 |
29 |
| Well pump Grundfos Flex |
800 |
1 |
2 |
7 |
1600 |
| Pressurizing pump |
120 |
1 |
2 |
7 |
240 |
| |
|
| Total daily |
7870 |
| |
|
| KWh monthly |
240 |
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EXAMPLE
Equipment List Cost Estimate
2.3 kWWind and Solar Hybrid System
for 240 kWh monthy output (see loads analysis, left) in Northern Colorado and Southern Wyoming where wind speeds average at least 12 mph
- 1320 watts 24V PhotoVoltaic solar modules
- Power Center with 2 OutBack true sine wave 7000 continuous watts inverter/charger
- Maximum Power Point Tracking PV Charge Controler
- Tri-Metric Meter
- PV array mounts
- PV Combiner Box and fuses
- Trandformer 240/120
- PV Ground Fault Interruption for roof mount on residence
- 16 Trojan L16H Batteries
- Bergey XL.1 Wind Trubine
- 40-ft tilt up tower
Wiring, battery cables, battery interconnects, lightening arrestors, fuses, AC distribution center, battery temperature sensor, battery box power vents, etc.
Freight, Crating
Total wind and solar equipment $24,500 to $28,480
Typical instalation costs:
- Wind turbine instalation
- Solar electric permit
- Engineering, building permit for wind tower
- Installation of inverter, solar equipment
Total installation $6,400 to $10,400
Prices subject to change without notice.
Other expenses may include sales tax, equipment shed, or battery box/ rack/ enclosure, trenching for wire runs.
Special appliances might include SunFrost refrigerator/ freezer, Staber clothes washer, Premier-Peerless Gas Range, on-demand tankless water heater.
Other equipment might include:
- Grundfos Pump Flex SQ pump installation in deep well
- Flowlight Booster Pressurizing Pump
- Propane generator
- Install generator, including AC panel
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