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Wind Generator Comparisons to the "WECo Spirit"
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Manufacturers >
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Proven |
WECo Spirit |
Bergey XL-1 |
SkyStream |
Kyocera 200 |
Cut-in Wind |
6.0 mph |
1.3 mph |
5.6 mph |
6.0 mph |
Solar Panel |
Starts Charging |
8.0 mph |
3.0 mph |
18.0 mph |
8.0 mph |
10am |
Rated Wind |
22.5 mph |
16.0 mph |
25.0 mph |
20.0 mph |
Full Sun 10-2 |
Rated Output |
600 watts |
1000 watts |
1000 watts |
1800 watts |
200 watts |
Annual kWh at 12mph |
1300 |
5800 |
1800 |
4800 |
18 |
Rotor Diameter |
8.4 feet |
9.0 feet |
8.2 feet |
12.0 feet |
39" x 56" |
Number of Blades |
3 |
4 |
3 |
3 |
n/a |
Wind Blade Material |
Polypropylene |
Aluminum |
Carbon Fiber |
Carbon Fiber |
n/a |
Generator Type ^ |
PM /3 / AC |
PM /3 / AC |
PM /3 / AC |
PM /3 / AC |
Glass Panel |
Battery Voltage |
12, 24, 48 |
12, 24 |
12, 24, 48 |
120ac / 60Hz |
24 volts |
Battery or Grid |
Battery |
Battery |
Battery / Grid |
Grid |
Grid |
Overspeed Braking |
Blade Furl |
Folding Tail |
Blade Furl |
Electronic Stall |
n/a |
Installed Weight |
154 pounds |
78 pounds |
75 pounds |
170 pounds |
40.7 pounds |
Controls Provided |
Controller |
Controller |
Controller |
Controller/Inverter |
None |
Blade Noise |
Quiet |
Silent |
Quiet |
Quiet |
n/a |
Minimum Pole Height |
35 feet |
20 feet |
35 feet |
33 feet |
Roof Mount |
Maintenance |
Semi-Annual |
None |
Semi-Annual |
Annual |
Annual |
Cost in US Dollars * |
$3450 |
$3797 |
$2150 |
$6500 |
$1054 |
Cost per Watt * |
$2.65 |
$0.65 |
$1.19 |
$1.35 |
$58.56 |
Warranty Parts & Labor |
2 year Parts |
5 year P&L |
5 year Parts |
5 year Parts |
1 year Parts |
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^ Generator Type: PM= Permanent Magnet / 3=3 Phase / AC-Current Type.
* Cost per Watt produced: Is figured by dividing $3797 by 5800 annual kWh = $0.65.
* Cost in US Dollars: Is for the wind generator and controls provided.
> Above Comparisons supplied by the competitive manufacturers websites below:
PROVEN WINDPOWER website: provenenergy.co.uk
BERGEY WIND TURBINES website: bergey.com
SKY STREAM 3.7 website: skystreamenergy.com
KYOCERA SOLAR website: kyocerasolar.com
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