The National Dispatching of GRTgaz Offer implementation Gas system - - PowerPoint PPT Presentation

The National Dispatching of GRTgaz

• Offer implementation
• Gas system management
• National Dispatching activities

9 février 2011

Offer implementation Gas system management Dispatching activities

From contractual to physical issues

9 février 2011

Market exchange places

 76 shippers  688 TWh transported in 2010  515 TWh consumed in 2010  313 TWh exchanged on the Title transfer points (“PEG’s”) in 2010

Offer implementation Gas system management Dispatching activities

9 février 2011

Independent entries / exits of gas quantities, balanced on a daily basis

The network

 32200 km of high pressure transmission system  25 compressor stations  4500 delivery points  22 interconnections

Offer implementation Gas system management Dispatching activities

Working linked to gas entries and gas exits at every time

9 février 2011

Roles of the parties

The shi hippe ppers provide gas. They nominate gas quantities at the entry and exit points, balanced on a daily basis : with adjacent operators : the entry and the exit allocated quantities are the nominated quantities ; with the final customers : the exit allocated quantities are the real consumptions. GRT RTgaz transport the gas in accordance with the shippers nominations and manages the residual balancing on an hourly and a daily basis.

Offer implementation Gas system management Dispatching activities

9 février 2011

Gas system =

Using flexibility sources Using transmission capacities

Offer implementation Gas system management Dispatching activities

Gas + IT + network

9 février 2011

In practice

Customers deliveries Use of transmission capacities Operating margin Operating margin

Offer implementation Gas system management Dispatching activities

9 février 2011

P

Offer implementation

On D-1 day :

Collecting the shipper’s requirements on entry/exit points for the D-day ; D-day consumptions forecasting ; D-day operating sequences planning.

On D-day :

Adaptation of the operating sequences in respect with up-dated shipper’s demands on entry/exit points ; Operating sequences implementation; Technical risks management.

Offer implementation Gas system management Dispatching activities

9 février 2011

Offer implementation Gas system management Dispatching activities

The Maint ntena nanc nce Offi fficer establishes the setpoints concerning the gas system management The Supe upervisor

• r

adaptes the hourly

• perating sequences

(established on D-1 day) The Gas as Flow M Man anag ager er establishes the D+1 day hourly operating sequences The Cus ustom

• mer

Relations

• nshi

hip Ope perator

• r

manages the relationship with customers on real time The Networ

• rk O

Ope perator

• r

implements the hourly

• perating sequences

(established on D-1 day, and adapted on D-day)

9 février 2011

Dispatching operational manager

Thank you for your attention !

9 février 2011