Current Status

Change Summary

Effective Date

Description

Template

Sample

ww_dahbreg

WW_DAHBREG - Day-Ahead Regulation Offers - Rev 0

WW_DAHBREG_ISO_date_version.CSV Date: mm/dd/yyyy and Version: mm/dd/yyyy hh:mm:ss GMT Availability: Monthly, by Day NOTE: This report format terminates with the publication of September 2005 data.

Description

Regulation bid data received by the ISO from participants for the Day-Ahead Regulation market. 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_DAHBREG_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

2000 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 Capability

Number

The offered capability of this generating unit to increase or decrease its output in response to a regulating control signal, over a 5 minute interval, in accordance with the specifications in the NEPOOL manuals and ISO Administrative Procedures during this Trading Interval

5

Regulation Offer Price

Number

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

6

Self-Scheduled Regulation

Number

The amount of regulation self-scheduled by the Participant in the hour from this resource