Example list of appliances and power consumption for 3-day year-round cabin, using generator for well pump
| Appliance AC |
watts |
# in use |
hours / day |
days / week |
average watts / day |
| |
| TV - turn off remote when not using |
100 |
1 |
4 |
3 |
171 |
| Satelite system - turn off when not using |
30 |
1 |
16 |
3 |
206 |
| VCR |
25 |
1 |
2 |
2 |
14 |
| Vacuum |
1200 |
1 |
0.5 |
1 |
86 |
| Stereo |
55 |
1 |
2 |
1 |
16 |
| Cell Phone (standby) |
3 |
1 |
12 |
3 |
15 |
| Laptop Computer |
70 |
1 |
3 |
3 |
90 |
| Hair Dryer |
1200 |
1 |
0.25 |
3 |
129 |
| Ceiling Fan |
50 |
1 |
6 |
3 |
129 |
| Lights (compact fluorescent) |
20 |
8 |
4 |
3 |
274 |
| Microwave (0.8 to 1.4 cubic ft.) no digital display |
1400 |
1 |
0.5 |
3 |
300 |
| Range Vent Hood |
150 |
1 |
1 |
3 |
64 |
| Crock Pot (low setting) |
275 |
1 |
4 |
1 |
157 |
| Coffee maker (brewing) |
1200 |
1 |
0.2 |
3 |
103 |
| Coffee maker (warming-use carafe) |
600 |
0 |
2 |
3 |
0 |
| Toaster |
1200 |
1 |
0.1 |
3 |
51 |
| Staber Clothes Washer |
150 |
1 |
1 |
2 |
43 |
| Sanders, drill, misc. power hand tools |
400 |
1 |
1 |
1 |
57 |
| Well pump, 240 VAC |
2400 |
0 |
(use generator) |
| Blenders, Mixers, Misc. Kitchen |
400 |
1 |
1 |
1 |
57 |
| Pressurizing Pump (Dankoff flowlight |
240 |
1 |
1 |
3 |
103 |
| |
Total |
11168 |
continuous AC |
2065 |
| |
Monthly khw |
64 |
|
Solar Equipment
for estimated 64 kWh 120 VAC output monthly at remote (off-grid) sites using a generator for well pump and battery backup at a 3-season, 3-day weekend cabin
- 720-watt solar PV Array
- PV Module Connects
- PV combiner Box and Fuses
- Ground Rods, Wire, and Lugs
- PV Output Cable and Conduit
- Solar Charge Controller MPPT
- PV Array Roof Mount
- Out Back Inverter Power Panel with single inverter for 3500 continuous watts 120 VAC output and step-up transformer for battery charging
- 12 deep-cycle T-105 batteries for 3 days autonomy
-
Custome Insulated Battery Enclosure with Passive Venting
- Battery Cables and Connect
- Digital Battery Volt meter
- Freight
Equipment Cost:
$10,500 to $14,350
Typical installation at a remote site for shed mounted PV Array, inverter panel, battery bank, grounding, permit, sales tax, trip charges:
$3,450 to $6,250
Not included: Trenching, permits, extra long wire runs, AC Main Breaker Panel, house or pump wiring, back-up generator.
Prices subject to change without notice.
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