Current Status

Change Summary

Effective Date

Description

Template

Sample

WW_DAHBDEMAND – Day-Ahead Demand Bids – Rev 1

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

Description

Demand and Virtual Bid data received by the ISO from participants for the Day-Ahead Energy market. Published with the FERC-ordered time lag and with market participant and location identifiers masked with a unique, consistent identifier. Participant masked identifier numbers are consistent with pre-SMD identifiers. The reports are generated monthly; one report for each day of the month.

Delivery Method

WWW (ISO-NE website)

Filename

WW_DAHBDEMAND_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 YYYYMMDDHHMSS
Note: If Number of Bid segments exceed 50 per day, segments that are greater than 50 will not be included in the report file. For example purposes only, 10 bid segments are shown.
Note: Non-utilized segments will be populated with 'null' rather than zeros.

Format

Comma Delimited (CSV)

Size

8000 records per day

Lifetime

N/A

Type

Description

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 bid applies, in hour ending convention

2

Masked Participant ID

Number

Participant submitting this bid, masked by a unique, consistent identifier

3

Masked Location ID

Number

The Location identifier of this bid, masked by a unique, consistent identifier

4

Location Type

String

The Location type of this bid – one of 'NODE', 'ZONE' or 'HUB'

5

Bid Type

String

One of 'FIXED' or 'PRICE' for demand bids, 'INC' for virtual supply offer, or 'DEC' for virtual demand bid

6

Bid Block Price 1

Number

First Segment bid price associated with the segment MW quantity in $/MW

7

Bid Block Energy 1

Number

First Segment MW value

8

Bid Block Price 2

Number

Second Segment bid price (This and subsequent segments populated if supplied by Participant for Bid Types = 'PRICE', 'INC', and 'DEC', Does not apply to type 'FIXED')

9

Bid Block Energy 2

Number

Second Segment MW value

10

Bid Block Price 3

Number

Third Segment bid price

11

Bid Block Energy 3

Number

Third Segment MW value

12

Bid Block Price 4

Number

Fourth Segment bid price

13

Bid Block Energy 4

Number

Fourth Segment MW value

14

Bid Block Price 5

Number

Fifth Segment bid price

15

Bid Block Energy 5

Number

Fifth Segment MW value

16

Bid Block Price 6

Number

Sixth Segment bid price

17

Bid Block Energy 6

Number

Sixth Segment MW value

18

Bid Block Price 7

Number

Seventh Segment bid price

19

Bid Block Energy 7

Number

Seventh Segment MW value

20

Bid Block Price 8

Number

Eighth Segment bid price

21

Bid Block Energy 8

Number

Eighth Segment MW value

22

Bid Block Price 9

Number

Ninth Segment bid price

23

Bid Block Energy 9

Number

Ninth Segment MW value

24

Bid Block Price 10

Number

Tenth Segment bid price

25

Bid Block Energy 10

Number

Tenth Segment MW value