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Wind Generation Forecast

Wind Generation Forecast

The purpose of this interface is to provide a notification for Wind Generation Resource Production Potential (WGRPP).

The purpose of Interface is to provide forecasts of Renewable Production Potential (RPP) for Wind Powered Generation Resources (WGR). ERCOT will provide forecasts for each WGR to the QSEs representing WGRs. The QSEs shall use the ERCOT provided forecasts for WGRs throughout the Day-Ahead and Operating Day for applicable markets and RUCs. Additionally the purpose is to allow WGRs to submit the LTWPF for their Resources to ERCOT and their respective QSE.

The following response message structure will be used for forecast notification:

Message Element Value
Header/Verb create
Header/Noun WindForecastData
Header/Source ERCOT
Reply/ReplyCode Reply code, success=OK, error=ERROR or FATAL
Reply/Error Error message, if error encountered
Reply/Timestamp Current System Timestamp
Payload/ ForecastPayload

The following diagram defines the structure of a site about which information must be exchanged by the ERCOT and Market Participants Notification listener using the Site tag:

QSE Wind Forecast Site Structure

Element

 REQ

Data type

 Description

Values
Site

Y

 String Unique site ID Prescribed at registration
Attribute REQ Data type Description Values
name

N

 String Verbose site ID Prescribed at registration

The following diagram defines the structure of Analog Values which must be exchanged by the ERCOT and Market Participants Notification Listener applications using the AnalogValue tag:

AnalogValue Structure

Element REQ Data type

Description

Values

Analog Value

 Y AnalogValue Value of data Valid floating point value
Attribute REQ Data type Description Values
timeStamp Y dateTime Time of data Valid dateTime format
Value Y Float Value of data Valid floating point value
units Y String Units of data Enumeration (MW, m/s, Celsius)
height N Float Height above ground level of data Valid floating point value
orientation N Float Directional orientation from true north of sensor Valid floating point value between 0.0 and 359.99 inclusive.
statistic Y String Statistic used to create data Enumeration (AVG, MIN, MAX, SDV)

Wind ForecastPayload Structure

Wind ForecastSet Structure

The “Component” element is used only by the Wind Forecasting vendor to send the forecast information to ERCOT for all QSEs. It is not used to send the QSE specific forecast information to their listeners (see example below).

The following is an XML example for Forecast payload:

<ns1:ForecastPayload xmlns:ns0="http://www.ercot.com/schema/2007-05/nodal/eip/il" xmlns:ns1="http://www.ercot.com/schema/2007-06/nodal/ews">
    <ns1:ForecastSet>
        <ns1:Site name="SITE1" qseid="TESTQSE1" duns="0012345676901">XXX</ns1:Site>
        <ns1:Created>2010-04-27T15:14:01-05:00</ns1:Created>
        <ns1:AnalogValue timeStamp="2010-04-27T16:00:00-05:00" type="STWPF" units="MW" statistic="MEAN">4.4</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-27T16:00:00-05:00" type="WGRPP" units="MW" statistic="MEAN">0</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-27T17:00:00-05:00" type="STWPF" units="MW" statistic="MEAN">5.7</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-27T17:00:00-05:00" type="WGRPP" units="MW" statistic="MEAN">0</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-27T18:00:00-05:00" type="STWPF" units="MW" statistic="MEAN">5.5</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-27T18:00:00-05:00" type="WGRPP" units="MW" statistic="MEAN">0</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-27T19:00:00-05:00" type="STWPF" units="MW" statistic="MEAN">6.6</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-27T19:00:00-05:00" type="WGRPP" units="MW" statistic="MEAN">0</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-27T20:00:00-05:00" type="STWPF" units="MW" statistic="MEAN">7.7</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-27T20:00:00-05:00" type="WGRPP" units="MW" statistic="MEAN">0.3</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-27T21:00:00-05:00" type="STWPF" units="MW" statistic="MEAN">15</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-27T21:00:00-05:00" type="WGRPP" units="MW" statistic="MEAN">7.6</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-27T22:00:00-05:00" type="STWPF" units="MW" statistic="MEAN">23.1</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-27T22:00:00-05:00" type="WGRPP" units="MW" statistic="MEAN">15.7</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-27T23:00:00-05:00" type="STWPF" units="MW" statistic="MEAN">23.3</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-27T23:00:00-05:00" type="WGRPP" units="MW" statistic="MEAN">16</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-28T00:00:00-05:00" type="STWPF" units="MW" statistic="MEAN">25.9</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-28T00:00:00-05:00" type="WGRPP" units="MW" statistic="MEAN">18.5</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-28T01:00:00-05:00" type="STWPF" units="MW" statistic="MEAN">31.4</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-28T01:00:00-05:00" type="WGRPP" units="MW" statistic="MEAN">24</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-28T02:00:00-05:00" type="STWPF" units="MW" statistic="MEAN">34.7</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-28T02:00:00-05:00" type="WGRPP" units="MW" statistic="MEAN">27.3</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-28T03:00:00-05:00" type="STWPF" units="MW" statistic="MEAN">39.4</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-28T03:00:00-05:00" type="WGRPP" units="MW" statistic="MEAN">32</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-28T04:00:00-05:00" type="STWPF" units="MW" statistic="MEAN">42.3</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-28T04:00:00-05:00" type="WGRPP" units="MW" statistic="MEAN">34.9</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-28T05:00:00-05:00" type="STWPF" units="MW" statistic="MEAN">46.4</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-28T05:00:00-05:00" type="WGRPP" units="MW" statistic="MEAN">39</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-28T06:00:00-05:00" type="STWPF" units="MW" statistic="MEAN">44.3</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-28T06:00:00-05:00" type="WGRPP" units="MW" statistic="MEAN">36.9</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-28T07:00:00-05:00" type="STWPF" units="MW" statistic="MEAN">45.6</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-28T07:00:00-05:00" type="WGRPP" units="MW" statistic="MEAN">38.2</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-28T08:00:00-05:00" type="STWPF" units="MW" statistic="MEAN">44.7</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-28T08:00:00-05:00" type="WGRPP" units="MW" statistic="MEAN">37.3</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-28T09:00:00-05:00" type="STWPF" units="MW" statistic="MEAN">37</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-28T09:00:00-05:00" type="WGRPP" units="MW" statistic="MEAN">29.6</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-28T10:00:00-05:00" type="STWPF" units="MW" statistic="MEAN">34.4</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-28T10:00:00-05:00" type="WGRPP" units="MW" statistic="MEAN">27</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-28T11:00:00-05:00" type="STWPF" units="MW" statistic="MEAN">31.2</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-28T11:00:00-05:00" type="WGRPP" units="MW" statistic="MEAN">23.8</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-28T12:00:00-05:00" type="STWPF" units="MW" statistic="MEAN">28.4</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-28T12:00:00-05:00" type="WGRPP" units="MW" statistic="MEAN">21</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-28T13:00:00-05:00" type="STWPF" units="MW" statistic="MEAN">27.1</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-28T13:00:00-05:00" type="WGRPP" units="MW" statistic="MEAN">19.7</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-28T14:00:00-05:00" type="STWPF" units="MW" statistic="MEAN">26.7</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-28T14:00:00-05:00" type="WGRPP" units="MW" statistic="MEAN">19.3</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-28T15:00:00-05:00" type="STWPF" units="MW" statistic="MEAN">27</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-28T15:00:00-05:00" type="WGRPP" units="MW" statistic="MEAN">19.6</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-28T16:00:00-05:00" type="STWPF" units="MW" statistic="MEAN">27.6</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-28T16:00:00-05:00" type="WGRPP" units="MW" statistic="MEAN">20.2</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-28T17:00:00-05:00" type="STWPF" units="MW" statistic="MEAN">28.6</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-28T17:00:00-05:00" type="WGRPP" units="MW" statistic="MEAN">21.3</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-28T18:00:00-05:00" type="STWPF" units="MW" statistic="MEAN">29.4</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-28T18:00:00-05:00" type="WGRPP" units="MW" statistic="MEAN">22</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-28T19:00:00-05:00" type="STWPF" units="MW" statistic="MEAN">32.1</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-28T19:00:00-05:00" type="WGRPP" units="MW" statistic="MEAN">24.7</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-28T20:00:00-05:00" type="STWPF" units="MW" statistic="MEAN">37.7</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-28T20:00:00-05:00" type="WGRPP" units="MW" statistic="MEAN">30.3</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-28T21:00:00-05:00" type="STWPF" units="MW" statistic="MEAN">41.2</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-28T21:00:00-05:00" type="WGRPP" units="MW" statistic="MEAN">33.8</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-28T22:00:00-05:00" type="STWPF" units="MW" statistic="MEAN">44.1</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-28T22:00:00-05:00" type="WGRPP" units="MW" statistic="MEAN">36.7</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-28T23:00:00-05:00" type="STWPF" units="MW" statistic="MEAN">48</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-28T23:00:00-05:00" type="WGRPP" units="MW" statistic="MEAN">40.6</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-29T00:00:00-05:00" type="STWPF" units="MW" statistic="MEAN">51.4</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-29T00:00:00-05:00" type="WGRPP" units="MW" statistic="MEAN">44.1</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-29T01:00:00-05:00" type="STWPF" units="MW" statistic="MEAN">55.5</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-29T01:00:00-05:00" type="WGRPP" units="MW" statistic="MEAN">48.1</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-29T02:00:00-05:00" type="STWPF" units="MW" statistic="MEAN">61</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-29T02:00:00-05:00" type="WGRPP" units="MW" statistic="MEAN">53.6</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-29T03:00:00-05:00" type="STWPF" units="MW" statistic="MEAN">64.6</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-29T03:00:00-05:00" type="WGRPP" units="MW" statistic="MEAN">57.2</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-29T04:00:00-05:00" type="STWPF" units="MW" statistic="MEAN">63.4</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-29T04:00:00-05:00" type="WGRPP" units="MW" statistic="MEAN">56</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-29T05:00:00-05:00" type="STWPF" units="MW" statistic="MEAN">61.1</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-29T05:00:00-05:00" type="WGRPP" units="MW" statistic="MEAN">53.7</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-29T06:00:00-05:00" type="STWPF" units="MW" statistic="MEAN">60.5</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-29T06:00:00-05:00" type="WGRPP" units="MW" statistic="MEAN">53.1</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-29T07:00:00-05:00" type="STWPF" units="MW" statistic="MEAN">59.7</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-29T07:00:00-05:00" type="WGRPP" units="MW" statistic="MEAN">52.3</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-29T08:00:00-05:00" type="STWPF" units="MW" statistic="MEAN">57.6</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-29T08:00:00-05:00" type="WGRPP" units="MW" statistic="MEAN">50.2</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-29T09:00:00-05:00" type="STWPF" units="MW" statistic="MEAN">55.4</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-29T09:00:00-05:00" type="WGRPP" units="MW" statistic="MEAN">48</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-29T10:00:00-05:00" type="STWPF" units="MW" statistic="MEAN">47.7</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-29T10:00:00-05:00" type="WGRPP" units="MW" statistic="MEAN">40.4</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-29T11:00:00-05:00" type="STWPF" units="MW" statistic="MEAN">41.8</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-29T11:00:00-05:00" type="WGRPP" units="MW" statistic="MEAN">34.4</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-29T12:00:00-05:00" type="STWPF" units="MW" statistic="MEAN">38.9</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-29T12:00:00-05:00" type="WGRPP" units="MW" statistic="MEAN">31.5</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-29T13:00:00-05:00" type="STWPF" units="MW" statistic="MEAN">37.5</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-29T13:00:00-05:00" type="WGRPP" units="MW" statistic="MEAN">30.1</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-29T14:00:00-05:00" type="STWPF" units="MW" statistic="MEAN">42.9</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-29T14:00:00-05:00" type="WGRPP" units="MW" statistic="MEAN">35.5</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-29T15:00:00-05:00" type="STWPF" units="MW" statistic="MEAN">47.1</ns1:AnalogValue>
        <ns1:AnalogValue timeStamp="2010-04-29T15:00:00-05:00" type="WGRPP" units="MW" statistic="MEAN">39.7</ns1:AnalogValue>
    </ns1:ForecastSet>
</ns1:ForecastPayload>