mark freeman th november 2007...2011/12 - east anglia (indicative) ea b 45 0.69 ea a 15 0.19 peak...

Gas Customer Forum

DN Interruption Update – Requirements (indicative)

Mark Freeman

30th November 2007

DN Interruption UpdateShipper/Consumer Seminars

Lancaster Dec 4th

Doncaster Dec 5th

Leicester Dec 7th

Liverpool Dec 10th

Manchester Dec 11th

NG Interruption Zones &Interruption Requirements 2011/12 - East Anglia (indicative)

0.6945EA B

0.1915EA A

Peak Day GWh/Day

No. of Days

Interruption Zone

Max. Interruption Requirements

Peterborough

Norwich

Chelmsford

Ipswich

Cambridge

Luton

A

B

Huntingdon

EA A

Stowmarket

EA B

NG Interruption Zones &Interruption Requirements 2011/12 - East Midlands (indicative)

Northampton

Leicester

Nottingham

Rotherham

Lincoln

Boston

Skegness

A

B

C

D

E

F

GH

I

1.5145EM I

1.8445EM H

1.1345EM G

0.2845EM F

0.5320EM E

0.220EM D

0.1820EM C

0.3340EM B

0.1120EM A

Peak Day GWh/Day

No. of Days

Interruption Zone

Max. Interruption Requirements

Digby

EM A

Burton

EM B

Coalville

EM C

Clay Cross

EM D

Worksop

EM E

Doncaster

EM F

Barnby Dunn

EM G

EM H

EM I

NG Interruption Zones &Interruption Requirements 2011/12 - North West (indicative)

Barrow in Furness

Blackpool

Liverpool Manchester

Crewe

Bolton

Lancaster

A

B

C

D

EF

G

H

I

J

K

0.1445NW K

0.4520NW J

0.6545NW I

1.2545NW H

0.2445NW G

0.1245NW F

0.1320NW E

0.8345NW D

0.1745NW C

0.1425NW B

0.2245NW A

Peak Day GWh/Day

No. of Days

Interruption Zone

Max. Interruption Requirements

NW A

NW B

NW C

Accrington

NW D

NW E

NW F

NW G

Hall Green

NW H

NW I

NW J

Winsford

Bramhall

NW K

Interruption Requirements (LTS) – Indicative

NW

EM

EA

NT

WM

LDZ

10

10

20

0

0

Interruptible Allowances

(Days)

15,000,000

3,000,000

500,000

0

0

PeakInterruptible

Capacity Estimate

(kWh)

02.5

00.5

00.1

0

0

Interruption in last 5 years

% of Volume Requirement

(% firm + interruptible)

DN Interruption UpdateShipper/Consumer Seminars

Lancaster Dec 4th

Doncaster Dec 5th

Leicester Dec 7th

Liverpool Dec 10th

Manchester Dec 11th

Gas Customer Forum

DN Interruption Update – Requirements (indicative)

Any Further Questions ?

Mark.freeman@uk.ngrid.com

Mark Freeman30th November 2007