Idd part 1 Interfaces with bsc parties and their Agents




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4.7 BMRA TIBCO Message Publishing - Data Formats


The BMRA service publishes all data received from the System Operator and additional data derived by the BMRA Service via the use of TIBCO messaging software. TIB messages are broadcast over the High Grade Service WAN and will be received by any client software that explicitly listens for them. The messages are anticipated to be used in one or both of two ways: firstly to provide the Near Real Time update to data screens used by traders, and secondly to load market data into participant bespoke applications.

The material in this section defines the structure of all the TIB messages sent from the BMRA service which subscribing client software may receive.

The hardware and software specification for the TIBCO client software required to support the High Grade Service is given in [COMMS]. Guidelines for how to subscribe to published TIBCO messages are given in section 4.7.7.

This section of the document describes the following information



  1. message types

  2. subject naming conventions

  3. field definitions and formats

  4. message definitions and formats

  5. any special formatting or arrangement of data in messages

4.7.1 Message Types


The following table lists all of the message types sent from BMRA and specifies the External Interface Requirement met by each one.

External Interface Requirement

Data Type

Message Type

BMRA-I004

Final Physical Notification

FPN

BMRA-I004

Quiescent Physical Notification

QPN

BMRA-I004

Bid-Offer Pairs

BOD

BMRA-I004

Maximum Export Limit

MEL

BMRA-I004

Maximum Import Limit

MIL

BMRA-I004

Bid-Offer Acceptances

BOAL

BMRA-I004

Bid-Offer Acceptance Level Flagged

BOALF

BMRA-I004

BM Unit Applicable Balancing Services Volume

QAS

BMRA-I004

Run Up Rates Export

RURE

BMRA-I004

Run Up Rates Import

RURI

BMRA-I004

Run Down Rates Export

RDRE

BMRA-I004

Run Down Rates Import

RDRI

BMRA-I004

Notice to Deviate from Zero

NDZ

BMRA-I004

Notice to Deliver Offers

NTO

BMRA-I004

Notice to Deliver Bids

NTB

BMRA-I004

Minimum Zero Time

MZT

BMRA-I004

Minimum Non-Zero Time

MNZT

BMRA-I004

Stable Export Limit

SEL

BMRA-I004

Stable Import Limit

SIL

BMRA-I004

Maximum Delivery Volume

MDV

BMRA-I004

Maximum Delivery Period

MDP

BMRA-I005

Indicated Generation

INDGEN

BMRA-I005

Indicated Demand

INDDEM










BMRA-I005

National Demand Forecast

NDF

BMRA-I005

Transmission System Demand Forecast

TSDF

BMRA-I005

Initial National Demand Out-turn

INDO

BMRA-I005

Initial Transmission System Demand Out-Turn

ITSDO

BMRA-I005

Demand forecast. 2 -14 days ahead

NDFD

BMRA-I005

Demand forecast. 2 -52 weeks ahead

NDFW

BMRA-I005

Transmission System Demand Forecast, 2 -14 day

TSDFD

BMRA-I005

Transmission System Demand Forecast, 2 -52 week

TSDFW

BMRA-I005

Surplus forecast. 2 -14 days ahead

OCNMFD5

BMRA-I005

Surplus forecast. 2 -52 weeks ahead

OCNMFW6

BMRA-I005

Indicated Margin

MELNGC

BMRA-I005

Indicated Imbalance

IMBALNGC

BMRA-I005

System Warnings

SYSWARN

BMRA-I005

SO-SO Prices

SOSO

BMRA-I005

Net Balancing Services Adjustment Data

NETBSAD

BMRA-I005

Balancing Services Adjustment Action Data

DISBSAD

BMRA-I005

System Message

SYSMSG

BMRA-I005

Market Index Data

MID

BMRA-I005

Temperature Data

TEMP

BMRA-I005

Wind Generation Forecast

WINDFOR

BMRA-I005

Instantaneous Generation by Fuel Type

FUELINST

BMRA-I005

Half-Hourly Generation by Fuel Type

FUELHH

BMRA-I005

Daily Energy Volume Data

INDOD

BMRA-I005

Realtime Transmission System Frequency Data

FREQ

BMRA-I005

Non-BM STOR Out-turn

NONBM

BMRA-I005

National Output Usable by Fuel Type, 2-14 days ahead

FOU2T14D

BMRA-I005

National Output Usable by BM Unit and Fuel Type, 2-14 days ahead

UOU2T14D

BMRA-I005

National Output Usable by Fuel Type, 2-52 weeks ahead

FOU2T52W

BMRA-I005

National Output Usable by BM Unit and Fuel Type, 2-52 weeks ahead

UOU2T52W

BMRA-I005

Generating Plant Demand Margin, 2-14 days ahead

OCNMFD2

BMRA-I005

Generating Plant Demand Margin, 2-52 weeks ahead

OCNMFW2

BMRA-I006

Period B-O Acceptance Volumes

BOAV

BMRA-I006

Period Total B-O Acceptance Volume

PTAV

BMRA-I006

Disaggregated Period Total B-O Acceptance Volume

DISPTAV

BMRA-I006

Estimated period B-O cash flows

EBOCF

BMRA-I006

Net Estimated Buy/Sell Price and Total Accepted Bid/Offer Volumes

NETEBSP

BMRA-I006

Disaggregated Estimated Buy/Sell Price and Total Accepted Bid/Offer Volumes

DISEBSP

BMRA-I006

Total Bid Volume and Total Offer Volume

TBOD

BMRA-I006

Indicative System Price Stack

ISPSTACK

BMRA-I019

Credit Default Notices

CDN

Data has been divided up into a granular level, i.e. publication of data on a record by record basis. This allows the programmatic interface to insert the data more efficiently into any bespoke applications that need to receive the data feed.

BMRA publishes data using the TIBCO subject-based addressing messaging system - data is broadcast across the WAN in messages, each associated with a unique subject name which describes the type of data within the message. Any client software will ‘subscribe’ to the data by subject name. Thus, although all data is available, each piece of client software will only accept and process the data it specifically subscribes to.


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