ww_dahbregasm
Day-Ahead Regulation Offers

Current Status

Report Name

Change Summary

Effective Date

Description

Template

Sample

ww_dahbregasm

Existing. 10.01.2005 PDF XLTX CSV
Access Day-Ahead Regulation Offer Data

 

WW_DAHBREGASM - Day-Ahead Regulation Offers - Rev 0

WW_DAHBREGASM_ISO_date_version.CSV Date: mm/dd/yyyy and Version: mm/dd/yyyy hh:mm:ss GMT Availability: Monthly, by Day

Description

Regulation offer data received by the ISO from participants for the Day-Ahead Regulation market under ASM Phase I (October 1, 2005). Published with the FERC-ordered time lag and with market participant and asset identifiers masked with a unique, consistent identifier. Masked identifier numbers are consistent with pre-SMD identifiers. The report is generated monthly; one report for each day of the month.

Delivery Method

WWW (ISO-NE website)

Filename

WW_DAHBREGASM_ISO_settlement_version.CSV settlement is the date of the trading hour for which the data applies, formatted as YYYYMMDD00, version is the date/time when the report was generated, formatted as YYYYMMDDHHMISS

Format

Comma Delimited (CSV)

Size

7000 records per day

Lifetime

N/A

 

Column Name

Type

Description

 

N/A

String

The first position on every record is occupied by the character 'C', 'H', 'D', or 'T' which describes what is contained on that record (row.) C = Comment - provides description such as report name and vintage. H = Heading - denotes column headings. D = Data - denotes data contained on the record. T = Terminate - denotes the end of the file. The total number of 'D' lines contained in the file is also noted on this record.

1

Trading Interval

String

The local time for which this offer applies, in hour-ending convention

2

Masked Lead Participant ID

Number

Participant responsible for the asset, masked by a unique, consistent identifier

3

Masked Asset ID

Number

The asset identifier of the generating unit, masked by a unique, consistent identifier

4

Regulation Low Limit

Number

The Regulation Low Limit is the minimum amount of energy that a generating unit can reliably produce when that unit is providing Regulation. The Regulation Low Limit may be greater than or equal to the unit's Economic Minimum Limit.

5

Regulation High Limit

Number

The Regulation High Limit is the maximum amount of energy that a generating unit can reliably produce when that unit is providing Regulation. The Regulation High Limit may be less than or equal to the unit's Economic Maximum Limit.

6

Regulating Status

String

Either 'Available' or 'Unavailable' for regulation in the hour.

7

Automatic Response Rate

Number

The response rate, in MW/minute, at which a Market Participant is willing to have a generating unit change its output while providing Regulation between Regulation High Limit and Regulation Low Limit.

8

Regulation Offer Price

Number

The price requested by the Participant to provide regulation service in $/MWh.

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