Fr uk ie regional initiative cross border balancing procurement
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FR-UK-IE Regional Initiative Cross-Border Balancing Procurement. 26 Nov 2007 John Prime. 5 Principles. Competition Enhanced Balancing Services procurement in respective control areas Transparency and non-discriminatory access Inherently transparent arrangements with no impact on TPA

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Fr uk ie regional initiative cross border balancing procurement

FR-UK-IE Regional InitiativeCross-Border Balancing Procurement

26 Nov 2007

John Prime


5 principles

5 Principles

  • Competition

    • Enhanced Balancing Services procurement in respective control areas

  • Transparency and non-discriminatory access

    • Inherently transparent arrangements with no impact on TPA

  • Preserving security of supply

    • Must not endanger system security in the local area

    • Inter-TSO Emergency arrangements remain

  • Compatibility and reciprocity

    • Reciprocal arrangements between GB and French markets

  • No Interconnector Capacity Reservation

    • Unutilised IFA capability identified post gate-closure


Process

XX:00

XX:00

03:00

07:00

09:00

13:00

11:00

21:00

17:00

15:00

05:00

19:00

13:00

Process

NGET and RTE formulate balancing offers in D+xh timescales, only

after all commercial intraday nominations have been completed

following the respective Interconnector Intraday gate closure

New Reciprocal Balancing Arrangements

Rolling hourly pricing of SO-SO balancing offers for service delivery at x+1h. Offered prices based on those in the deliverer’s domestic BM.

User capacity rights and volumes unaffected as per the previous slide with SO-SO balancing services superimposed over User’s volumes.

etc

UIoSI rule implemented

for unused LT capacity

See next slide

D

D-1

Y-1/M-1

(Day Ahead Nomination)

Secondary

Mechanisms

Re-Alloc’n/Assign’t

01:00

XX:00

Start

07:45

23:00

IFA Contract Day

23:00

UIoLI rule implemented

for unused LT+DA capacity

06:00

LT Transfer Nomination

* 12 Intraday Gates illustrated

All times approximate GMT


Timing illustration

Timing Illustration

08:00

06:00

07:00

04:00

05:00

Interconnector Intraday gate closure

Formulation of balancing servicesoffers

Publication of prices

Period of activation

Delivery period

BM Services can only utilise unused and available

interconnector capability following each intraday gate

closure.

TPA capacity allocation mechanisms in all timescales not

impacted by balancing service actions.


Activities

  • Pre Gate Closure:

  • Normal TPA access arrangements

  • TSOs may NOT reserve IFA capacity

  • TSOs calculate and exchange inter-TSO balancing bids/offers (interim solution)

  • TSO bids/offers are published (interim solution)

  • At Gate Closure:

  • Market participants submit final notifications, nominations and BM bids/offers

  • Participants may no longer trade over the IFA

  • TSOs calculate residual IFA capability

  • Post Gate Closure:

  • TSOs calculate and exchange inter-TSO balancing bids/offers

  • TSO bids/offers are published

  • TSOs notify bid/offer acceptances

  • Delivery of accepted volumes

  • Details of TSO transactions are published

Activities


Pricing and volume principles

Pricing and Volume Principles

  • Prices submitted close to GB Gate Closure

  • Prices Curve

    • Different prices for different tranches of volume

  • Prices will be cost-reflective and will reflect forecast conditions in real time

    • Market Imbalance (NIV)

    • Bid and Offer prices available in BM

    • Transmission constraints

  • NGET will NOT sterilise reserve in GB

    • NGET will take on a limited degree of pricing risk

  • Volume will initially be limited to 500MW

    • To be reviewed after a suitable period of operation (initially proposed as 1 year)


Implementation timetable interim

Implementation Timetable (Interim)


Implementation timetable enduring

Implementation Timetable (Enduring)


Interim hybrid solution

Interim (Hybrid) Solution

  • Manual work-around based on current BASA

  • Significantly increased functionality

  • TSOs exchange 6 prices at day-ahead stage

  • Price windows correspond to current intra-day gate closure in French market (subject to availability of IFA capacity)

  • National Grid will have ability to re-submit prices intra-day

  • Price exchange and acceptance based on present arrangements

  • Implementation targeted for August 2008


Summary enduring solution

Summary – Enduring Solution

  • “Real Time” Balancing, after IC Gate Closure

  • Hourly prices, set 1-hour before delivery

  • Price Curve – prices in 100 MW tranches

  • Prices influenced by anticipated real time energy and transmission issues

  • Volume - initially maintain current 500 MW cap

  • Implementation targeted for July 2009


Fr uk ie regional initiative cross border balancing procurement1

FR-UK-IE Regional InitiativeCross-Border Balancing Procurement

26 Nov 2007

John Prime


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