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Total Ancillary Service Offers

Total Ancillary Service Offers

Info

Removed with RTC+B Implementation

This section describes interfaces used to retrieve total ancillary services offers for DAM Market. This interface will return the full day data for DAM market for the requesting day.

The request message would use the following message fields:

Message Element Value
Header/Verb get
Header/Noun TotalASOffers
Header/Source Market participant ID
Header/UserID ID of user
Request/OperatingDate Day of interest

The corresponding response messages would use the following message fields:

Message Element Value
Header/Verb reply
Header/Noun TotalASOffers
Header/Source ERCOT
Reply/ReplyCode Reply code, success=OK, error=ERROR or FATAL
Reply/Error Error message, if error encountered
Payload/ TotalASOffers

The payload structure is described by the following diagrams:

TotalASOffers Structure

The values of ‘value1’ identify the total MW offers for the given AS type. There is no consideration given to linked offers.

The following is an XML example:

<ns1:TotalASOffers xmlns:ns0="http://www.ercot.com/schema/2007-05/nodal/eip/il"
    xmlns:ns1="http://www.ercot.com/schema/2007-06/nodal/ews">
    <ns1:TotalASOffer>
        <ns1:asType>Reg-Up</ns1:asType>
        <ns1:Schedule>
            <ns1:time>2023-03-08T00:00:00-06:00</ns1:time>
            <ns1:ending>2023-03-08T01:00:00-06:00</ns1:ending>
            <ns1:value1>7262.6</ns1:value1>
        </ns1:Schedule>
        ... 
    </ns1:TotalASOffer>
    <ns1:TotalASOffer>
        <ns1:asType>Reg-Down</ns1:asType>
        <ns1:Schedule>
            <ns1:time>2023-03-08T00:00:00-06:00</ns1:time>
            <ns1:ending>2023-03-08T01:00:00-06:00</ns1:ending>
            <ns1:value1>6744.6</ns1:value1>
        </ns1:Schedule> 
        ... 
    </ns1:TotalASOffer>
    <ns1:TotalASOffer>
        <ns1:asType>Non-Spin</ns1:asType>
        <ns1:Schedule>
            <ns1:time>2023-03-08T00:00:00-06:00</ns1:time>
            <ns1:ending>2023-03-08T01:00:00-06:00</ns1:ending>
            <ns1:value1>38163.2</ns1:value1>
        </ns1:Schedule> 
        ... 
    </ns1:TotalASOffer>
    <ns1:TotalASOffer>
        <ns1:asType>RRSUF</ns1:asType>
        <ns1:Schedule>
            <ns1:time>2023-03-08T00:00:00-06:00</ns1:time>
            <ns1:ending>2023-03-08T01:00:00-06:00</ns1:ending>
            <ns1:value1>31086.0</ns1:value1>
        </ns1:Schedule> 
        ... 
    </ns1:TotalASOffer>
    <ns1:TotalASOffer>
        <ns1:asType>RRSFF</ns1:asType>
        <ns1:Schedule>
            <ns1:time>2023-03-08T00:00:00-06:00</ns1:time>
            <ns1:ending>2023-03-08T01:00:00-06:00</ns1:ending>
            <ns1:value1>31086.0</ns1:value1>
        </ns1:Schedule> 
        ... 
    </ns1:TotalASOffer>
    <ns1:TotalASOffer>
        <ns1:asType>RRSPF</ns1:asType>
        <ns1:Schedule>
            <ns1:time>2023-03-08T00:00:00-06:00</ns1:time>
            <ns1:ending>2023-03-08T01:00:00-06:00</ns1:ending>
            <ns1:value1>32038.8</ns1:value1>
        </ns1:Schedule> 
        ... 
    </ns1:TotalASOffer>
    <ns1:TotalASOffer>
        <ns1:asType>ECRSS</ns1:asType>
        <ns1:Schedule>
            <ns1:time>2023-03-08T00:00:00-06:00</ns1:time>
            <ns1:ending>2023-03-08T01:00:00-06:00</ns1:ending>
            <ns1:value1>49578.7</ns1:value1>
        </ns1:Schedule> 
        ... 
    </ns1:TotalASOffer>
    <ns1:TotalASOffer>
        <ns1:asType>ECRSM</ns1:asType>
        <ns1:Schedule>
            <ns1:time>2023-03-08T00:00:00-06:00</ns1:time>
            <ns1:ending>2023-03-08T01:00:00-06:00</ns1:ending>
            <ns1:value1>2967.0</ns1:value1>
        </ns1:Schedule> 
        ... 
    </ns1:TotalASOffer>
</ns1:TotalASOffers>