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Turbine Hub heights:
  •   Bergey   XL.1: 100 feet
  •   SWWP AirX:122 feet*
  •    West   Wind: 100  feet
  • Wind speeds are recorded at hub height, in Miles Per Hour.

    "Power Density Speed" is collected by the NRG Wind Watchers and calculates Average Wind Speed frequency distribution to a Rayleigh distribution (a Weibull distribution with an "a" or "shape factor" = 2.0)

    Rated Output:

    The West Wind turbine has a factory rating of 5,000 watts (5 KW) at 31 mph
    The Bergey Xl.1 has a factory rating of 1,000 watts (1 KW) at 24.6 mph
    The Southwest windpower Air X has a factory rating of 400 watts at 28 mph *
    The solar array is comprised of 10 modules of 75 watts each, for a total rating of 750 watts

    All production outputs are given in KWH (kilowatt hours)

    * The Southwest windpower Air X was decommissioned in March, 2006.

    2006 Monthly Production Totals

    2006 Production Totals:
    2006
    Test
    Period
    Avg.
    Wind
    Speed
    MPH
    Power
    Density
    Speed
    MPH
    West Wind
    KWH output
    & percentage
    of total
    Bergey Xl.1
    KWH output
    & percentage
    of total
    SWWP Air X
    KWH output
    & percentage
    of total
    Solar array
    KWH output
    & percentage
    of total
    Total
    Monthly RE
    Production
    in KWH
    Click for
    more
    detailed
    info
    JAN 9.8 11.2 414.6
    71.2%
    114.1
    19.6%
    12.71
    2.2%
    40.8
    7.0%
    582.3 graphs &
    comments
    FEB 11.5 11.7 382.4
    65.9%
    114.7
    19.8%
    15.95
    2.8%
    66.9
    11.5%
    580 graphs &
    comments
    MAR 12.1 12.4 523.7
    67%
    150.2
    19.2%
    14.52
    1.9%
    93.7
    11.9%
    789.9 graphs &
    comments
    APR 11.1 11.2 356
    65.7%
    105.4
    19.5%
    0
    (failed)
    80.1
    14.8%
    541.5 graphs &
    comments
    MAY 9.8 10.2 290.8
    64.4%
    81.09
    18%
    0
    (failed)
    79.5
    17.6%
    451.4 graphs &
    comments
    JUNE 9.7 9.9 239.9
    61.2%
    71
    18.1%
    0
    (failed)
    81.2
    20.7%
    392.1 graphs &
    comments
    JULY 8.6 8.6 149.5
    56.1%
    28.15
    10.6%
    0
    (failed)
    88.6
    33.3%
    266.24 graphs &
    comments
    AUG 8.1 8.0 147.9
    51.3%
    44.6
    15.5%
    0
    (failed)
    95.5
    33.2%
    287.69 graphs &
    comments
    SEPT 8.4 8.4 177.8
    70.6%
    10.74
    4.4%
    0
    (failed)
    60.4
    25%
    242.14 graphs &
    comments
    OCT 9.4 9.3 314.6
    75.2%
    46.2
    11%
    0
    (failed)
    54.1
    13.8%
    418.5 graphs &
    comments
    NOV 7.7 7.9 153.8
    65.4%
    47.9
    20.4%
    0
    (failed)
    33.5
    14.2%
    235.2 graphs &
    comments
    DEC 10.0 9.9 329.5
    72.4%
    92.64
    20.4%
    0
    (failed)
    32.8
    7.2%
    454.9 graphs &
    comments
    2006
    Test
    Period
    Avg.
    Wind
    Speed
    MPH
    Power
    Density
    Speed
    MPH
    West Wind
    KWH output
    & percentage
    of total
    Bergey Xl.1
    KWH output
    & percentage
    of total
    SWWP Air X
    KWH output
    & percentage
    of total
    Solar array
    KWH output
    & percentage
    of total
    Total
    Monthly RE
    Production
    in KWH
    Click for
    more
    detailed
    info

    Comments: SWWP Air X failed on March 16, 2006. Total time in operation: 20 months. Total output before failure: 253.5 kWh


    2005 Monthly Production Totals

    2005 Production Totals:
    2005
    Test
    Period
    Avg.
    Wind
    Speed
    MPH
    Power
    Density
    Speed
    MPH
    Bergey Xl.1
    KWH output
    & percentage
    of total
    SWWP Air X
    KWH output
    & percentage
    of total
    Solar array
    KWH output
    & percentage
    of total
    Total
    Monthly RE
    Production
    in KWH
    XL.1
    to AirX
    output
    ratio
    Click for
    more
    detailed
    info
    JAN 10.9 11.9 120.6
    63%
    18.54
    10%
    51.8
    27%
    190.94 6.5 to 1 graphs &
    comments
    FEB 10.1 10.2 90.1
    50.7%
    15.5
    8.7%
    71.8
    40.4%
    177.4 5.8 to 1 graphs &
    comments
    MAR 10.9 11.9 98.6
    47.6%
    17.7
    8.54%
    90.8
    43.8%
    207.1 5.6 to 1 graphs &
    comments
    APR 11.3 11.3 110.31
    53%
    17.79
    8.5%
    79.9
    38.4%
    208 6.2 to 1 graphs &
    comments
    MAY 9 8.7 52.6
    35%
    9.14
    6%
    88.4
    59%
    149.24 5.8 to 1 graphs &
    comments
    JUNE 8.4 8.5 44.3
    32.5%
    6.91
    5%
    85.3
    62.5%
    136.5 6.4 to 1 graphs &
    comments
    JULY 8.2 8.4 44.2
    31.4%
    7.1
    5.1%
    89.3
    63.5%
    140.6 6.2 to 1 graphs &
    comments
    AUG 8.2 8.4 44.8
    31.4%
    7.5
    5.3%
    90.1
    63.3%
    142.37 5.9 to 1 graphs &
    comments
    SEPT 9.5 9.5 63.6
    37.1%
    9.8
    5.7%
    98
    57.2%
    171.4 6.5 to 1 graphs &
    comments
    OCT 9.6 10.1 79.21
    53.7%
    10.84
    7.3%
    57.66
    39.0%
    147.7 7.3 to 1 graphs &
    comments
    NOV 12.3 11.8 135.5
    70.9%
    20.5
    10.7%
    35.2
    18.4%
    191.2 6.6 to 1 graphs &
    comments
    DEC 10.4 10.7 95.6
    67.4%
    14.01
    9.9%
    32.2
    22.7%
    141.91 6.3 to 1 graphs &
    comments
    2005
    Test
    Period
    Avg.
    Wind
    Speed
    MPH
    Power
    Density
    Speed
    MPH
    Bergey Xl.1
    KWH output
    & percentage
    of total
    SWWP Air X
    KWH output
    & percentage
    of total
    Solar array
    KWH output
    & percentage
    of total
    Total
    Monthly RE
    Production
    in KWH
    XL.1
    to AirX
    output
    ratio
    Click for
    more
    detailed
    info



    2004 Monthly Production Totals

    2004 Production Totals:
    2004
    Test
    Period
    Avg.
    Wind
    Speed
    MPH
    Power
    Density
    Speed
    MPH
    Bergey Xl.1
    KWH output
    & percentage
    of total
    SWWP Air X
    KWH output
    & percentage
    of total
    Solar array
    KWH output
    & percentage
    of total
    Total
    Monthly RE
    Production
    in KWH
    XL.1
    to AirX
    output
    ratio
    Click for
    more
    detailed
    info
    JAN     202.9
     
             
    FEB     144.6
     
             
    MAR     150.5
     
             
    APRIL     178.2
     
             
    MAY     119.4
     
             
    JUNE     86.0
     
             
    JULY 8.6 7.9 64.5
     
             
    AUG 8.3 8.1 44.2
     
             
    SEPT 8.6 8.4 55.2
     
             
    OCT 10.0 10.1 79.6
    85.3 %
    13.7
    13.7%
      93.3 5.8 to 1  
    NOV 9.5 10.3 93.2
    65.2 %
    14.97
    10.5 %
    34.7
    24.3%
    142.87 6.2 to 1 graphs &
    comments
    DEC 10.9 11.9 112.7
    73.6%
    16.85
    11%
    23.7
    15.4%
    153.25 6.7 to 1 graphs &
    comments
    2004
    Test
    Period
    Avg.
    Wind
    Speed
    MPH
    Power
    Density
    Speed
    MPH
    Bergey Xl.1
    KWH output
    & percentage
    of total
    SWWP Air X
    KWH output
    & percentage
    of total
    Solar array
    KWH output
    & percentage
    of total
    Total
    Monthly RE
    Production
    in KWH
    XL.1
    to AirX
    output
    ratio
    Click for
    more
    detailed
    info


     
    Wind speed data as read from data logger unit. Not compensated for temperature, altitude or barometric pressure

    Turbines are connected to a RE system with independent Link 10 meters providing kWh information.

    Both turbines have their respective regulators set to max.
    System voltage is controlled by a PS2524 inverter & two C60 diversion controllers.

    Data represents test results from this site. Your results may vary.