Example list of appliances and power consumption for 3-day cabin using several modern AC appliances, 240 vac deep well pump
| Appliance AC |
watts |
# in use |
hours / day |
days / week |
average watts / day |
| |
| TV - turn off remote when not using |
100 |
1 |
3 |
3 |
129 |
| Satellite system - turn off when not using |
30 |
1 |
10 |
3 |
129 |
| VCR |
25 |
1 |
2 |
2 |
14 |
| Vacuum |
1200 |
1 |
0.5 |
1 |
86 |
| Stereo |
55 |
1 |
1 |
2 |
16 |
| Cell Phone (standby) |
3 |
1 |
12 |
3 |
15 |
| Laptop Computer |
70 |
1 |
2 |
2 |
40 |
| Hair Dryer |
1200 |
1 |
0.25 |
3 |
129 |
| Ceiling Fan |
50 |
1 |
4 |
3 |
86 |
| Lights (compact fluorescent) |
20 |
8 |
3 |
3 |
206 |
| Microwave (0.8 to 1.5 cu.ft.) no digital display |
1400 |
1 |
0.5 |
3 |
300 |
| Range Vent Hood |
150 |
1 |
1 |
3 |
64 |
| Crock Pot (low setting) |
275 |
1 |
3 |
1 |
118 |
| Coffee maker (low setting) |
1200 |
1 |
0.1 |
3 |
51 |
| Coffee maker (warming - use carafe) |
600 |
0 |
2 |
3 |
0 |
| Toaster |
1200 |
1 |
0.1 |
3 |
51 |
| Sanders, drill, misc. power hand tools |
400 |
1 |
0.5 |
2 |
57 |
| Blenders, Mixers, Misc. kitchen |
400 |
1 |
0.5 |
2 |
57 |
| Septic Pump |
1900 |
1 |
1 |
3 |
814 |
| Well pump 1 HP |
2400 |
1 |
1 |
3 |
1029 |
| Pressurizing Pump (Dankoff flowlight) |
240 |
1 |
1 |
3 |
103 |
| |
| Total |
12918 |
continuous AC |
3493 |
| |
monthly kWh |
108 |
|
Solar Equipment
For estimated average 108 kWh 120/240 VAC output monthly at remote (off-grid) sites with afternoon cloudiness
- 1140-watt Solar PV Array
- PV Module Connects and Grounding
- MX 60 Solar Charge Controller
- PV combiner Box and Fuses
- Top-of-Pole or Ground-Mount hardware
- Pipe and concrete for pole or legs
- OutBack Power Panelwith 2 inverters for 7000 watts continuous 120/240 output
- 12 deep-cycle batteries for 15 useable kW (3 to 4 days autonomy)
- Custome Insulated Battery Box
- Active Battery Box Vent
- Battery Cables and Connects
- PV Output Wire and Conduit
- Freight
Equipment Cost:
$17,830 to $21,230
Typical Installation at a remote site for ground or pole mount PV array, inverter panel, battery bank, grounding, permit, sales tax, trip charges:
$3,270 to $7,250
Not included: Excavation for ground mount or pole, trenching, permits, extra long wire runs, AC Main Breaker Panel, house wiring or pump wiring, back-up generator.
Prices subject to change without notice. |
