Steve Edwards & Simon Trivella – 19 th August 2008 Ofgem, Millbank
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Transcript of Steve Edwards & Simon Trivella – 19 th August 2008 Ofgem, Millbank
DN Interruption 2008 – Annual Results and Indicative ad-hoc Invitation Interruptible Capacity Requirements
Steve Edwards & Simon Trivella – 19th August 2008
Ofgem, Millbank
DN Interruption Update
• Results from June 2008 Annual Invitation
– LDZ Aggregated Capacity
– LDZ Disaggregated Capacity
• October 2008 ad-hoc Interruption Invitation
– Location Zones
– Indicative Requirements
– Process & Timescales
• All information published on both Joint Office and WWU websites
LDZNo of Valid Interruptible
offers ReceivedNo of Valid Interruptible
offers AcceptedAggregate Capacity Offered (kWh/day)
Aggregate Capacity Accepted (kWh/day)
Unsuccessful Bids
Highest Offered Overall Interruption Price
(p/kWh/day)
Lowest Offered Interruption Price
(p/kWh/day)
Highest Accepted Overall Interruption Price (p/kWh/day)
Lowest Accepted Overall Interruption Price (p/kWh/day)
WN 1 0 185,056 0 1 0.05182 0.05182 0.00000 0.00000
WS 35 1 13,848,234 142,243 34 5.07534 0.03448 0.29853 0.29853
SW 28 3 6,360,918 1,897,052 25 0.98635 0.05853 0.15219 0.10889
WN 1 0 185,056 0 1 0.05182 0.05182 0.00000 0.00000
WS 25 1 8,817,258 142,243 24 3.16849 0.03448 0.29853 0.29853
SW 18 0 5,022,915 0 18 0.18770 0.05670 0.00000 0.00000
WN 1 0 185,056 0 1 0.05182 0.05182 0.00000 0.00000
WS 25 1 8,817,258 142,243 24 2.69178 0.03448 0.28794 0.28794
SW 18 0 4,976,862 0 18 0.18770 0.05670 0.00000 0.00000
WN 1 0 185,056 0 1 0.05182 0.05182 0.00000 0.00000
WS 23 1 7,334,048 142,243 22 2.69178 0.03448 0.28794 0.28794
SW 18 0 4,976,862 0 18 0.18770 0.05670 0.00000 0.00000
WN 1 0 185,056 0 1 0.05182 0.05182 0.00000 0.00000
WS 23 1 7,334,048 142,243 22 2.69178 0.03448 0.28794 0.28794
SW 18 0 4,976,862 0 18 0.18770 0.05670 0.00000 0.00000
The aggregate number of valid bids and volumes received includes the total of all conditionally linked bids
2015-2016
Bids are reported only at LDZ level. This is in line with the requirements of the Uniform Network Code (TPD Section G para 6.4.3 and 6.4.4)
Bids based on Aggregated Capacity Offered
2011-2012
2012-2013
2013-2014
2014-2015
June 2008 Results Summary
June 2008 Results Summary
LDZNo of Valid Interruptible
offers ReceivedNo of Valid Interruptible
offers AcceptedDisaggregate Capacity
Offered (kWh/day)Disaggregate Capacity Accepted (kWh/day)
Unsuccessful Bids
Highest Offered Overall Interruption Price
(p/kWh/day)
Lowest Offered Interruption Price
(p/kWh/day)
Highest Accepted Overall Interruption Price (p/kWh/day)
Lowest Accepted Overall Interruption Price (p/kWh/day)
WN 1 0 185,056 0 1 0.05182 0.05182 0.00000 0.00000
WS 22 1 8,868,197 142,243 21 5.07534 0.03448 0.29853 0.29853
SW 22 3 5,027,896 1,897,052 19 0.98635 0.05853 0.15219 0.10889
WN 1 0 185,056 0 1 0.05182 0.05182 0.00000 0.00000
WS 12 1 3,837,221 142,243 11 3.16849 0.03448 0.29853 0.29853
SW 12 0 3,707,839 0 12 0.18770 0.05670 0.00000 0.00000
WN 1 0 185,056 0 1 0.05182 0.05182 0.00000 0.00000
WS 12 1 3,837,221 142,243 11 2.69178 0.03448 0.28794 0.28794
SW 12 0 3,696,874 0 12 0.18770 0.05670 0.00000 0.00000
WN 1 0 185,056 0 1 0.05182 0.05182 0.00000 0.00000
WS 10 1 2,354,011 142,243 9 2.69178 0.03448 0.28794 0.28794
SW 12 0 3,696,874 0 12 0.18770 0.05670 0.00000 0.00000
WN 1 0 185,056 0 1 0.05182 0.05182 0.00000 0.00000
WS 10 1 2,354,011 142,243 9 2.69178 0.03448 0.28794 0.28794
SW 12 0 3,696,874 0 12 0.18770 0.05670 0.00000 0.00000
The disaggregate number of bids and volumes includes only a single count of conditionally linked bids
2014-2015
2015-2016
Bids based on Disaggregated Capacity Offered
2011-2012
2012-2013
2013-2014
October 2008 ad-hoc Invitation
• Retaining Zone definition used in June 2008 Annual Invitation
– Interruptible Capacity Requirements in 7 out of 10 Zones
– No requirement for 2011/12 in:
• Dowlais (GT5082002)
• Northern (GT5083001)
• Aylesbeare (GT5083003)
• Indicative Interruptible Capacity Requirements
– 5 year requirement in all 7 Zones (2011/12 to 2015/16)
– Requirements finalised in ad-hoc Invitation on 8th September 2008
Indicative Requirements – Wales North IP
Location ID GT5081001
Location Description Wales North - IP
Postcode Boundaries(outcodes)
CH5, CH6, CH7, CH8
Contract start date 1st Oct 2011 1st Oct 2012 1st Oct 2013 1st Oct 2014 1st Oct 2015
Contract end date 30th Sept 2012 30th Sept 2013 30th Sept 2014 30th Sept 2015 30th Sept 2016
Minimum number ofinterruptible days to be
Offered1 1 1 1 1
Maximum number ofinterruptible days to be
Offered5 5 5 5 5
Aggregate InterruptibleCapacity Quantity
required (kWh)100,000 100,000 100,000 100,000 100,000
Indicative Requirements – Wales North
Location ID GT5081002
Location Description Wales North
Postcode Boundaries (outcodes)
LL11, LL12, LL13, LL14, LL16, LL17, LL18, LL32, LL53, LL55, LL57, LL65, LL77, SY16, SY21, SY23
Contract start date 1st Oct 2011 1st Oct 2012 1st Oct 2013 1st Oct 2014 1st Oct 2015
Contract end date 30th Sept 2012 30th Sept 2013 30th Sept 2014 30th Sept 2015 30th Sept 2016
Minimum number of interruptible days to be
Offered1 1 1 1 1
Maximum number of interruptible days to be
Offered10 11 11 11 11
Aggregate Interruptible Capacity Quantity
required (kWh)4,200,000 4,500,000 4,500,000 4,500,000 4,500,000
Indicative Requirements – Dyffryn Clydach
Location ID GT5082001
Location Description Dyffryn Clydach
Postcode Boundaries (outcodes)
SA1, SA10, SA11, SA12, SA13 1**, SA14, SA15, SA2, SA31, SA4, SA48, SA5, SA6, SA61, SA62, SA7
Contract start date 1st Oct 2011 1st Oct 2012 1st Oct 2013 1st Oct 2014 1st Oct 2015
Contract end date 30th Sept 2012 30th Sept 2013 30th Sept 2014 30th Sept 2015 30th Sept 2016
Minimum number of interruptible days to be
Offered1 1 1 1 1
Maximum number of interruptible days to be
Offered5 5 5 5 5
Aggregate Interruptible Capacity Quantity
required (kWh)1,800,000 1,800,000 1,800,000 1,800,000 1,800,000
Indicative Requirements – Nantgarw
Location ID GT5082003
Location Description Nantgarw
Postcode Boundaries (outcodes)
CF10, CF11, CF14, CF15, CF23, CF24, CF3, CF37, CF38, CF5, CF62, CF63, CF64, CF83
Contract start date 1st Oct 2011 1st Oct 2012 1st Oct 2013 1st Oct 2014 1st Oct 2015
Contract end date 30th Sept 2012 30th Sept 2013 30th Sept 2014 30th Sept 2015 30th Sept 2016
Minimum number of interruptible days to be
Offered1 1 1 1 1
Maximum number of interruptible days to be
Offered5 5 5 5 5
Aggregate Interruptible Capacity Quantity
required (kWh)700,000 1,800,000 1,800,000 1,800,000 1,800,000
Indicative Requirements – Gilwern
Location ID GT5082004
Location Description Gilwern
Postcode Boundaries (outcodes)
LD3, NP10, NP11, NP12, NP13, NP15, NP16, NP18, NP19, NP20, NP22, NP25, NP26, NP4, NP44, NP7, NP9
Contract start date 1st Oct 2011 1st Oct 2012 1st Oct 2013 1st Oct 2014 1st Oct 2015
Contract end date 30th Sept 2012 30th Sept 2013 30th Sept 2014 30th Sept 2015 30th Sept 2016
Minimum number of interruptible days to be
Offered1 1 1 1 1
Maximum number of interruptible days to be
Offered5 5 5 5 5
Aggregate Interruptible Capacity Quantity
required (kWh)2,700,000 2,800,000 2,800,000 2,800,000 2,800,000
Indicative Requirements – CentralLocation ID GT5083002
Location Description Central
Postcode Boundaries (outcodes)
BA10, BA12, BA13, BA14, BA16, BA20, BA21, BA3, BA4, BA5, BA7, BS14, BS3, BS30, BS31, BS4, SN10, SN12, SN13, SN14, SN15, TA1, TA2, TA20, TA23,
TA24, TA3, TA6, TA7
Contract start date 1st Oct 2011 1st Oct 2012 1st Oct 2013 1st Oct 2014 1st Oct 2015
Contract end date 30th Sept 2012 30th Sept 2013 30th Sept 2014 30th Sept 2015 30th Sept 2016
Minimum number of interruptible days to be
Offered1 1 1 1 1
Maximum number of interruptible days to be
Offered15 5 5 5 5
Aggregate Interruptible Capacity Quantity
required (kWh)500,000 1,900,000 1,900,000 1,900,000 1,900,000
Indicative Requirements – SouthernLocation ID GT5083004
Location Description Southern
Postcode Boundaries (outcodes)
EX1 2**, EX2 5**, EX2 8**, EX4 4**, EX4 5**, PL1, PL11, PL14, PL15, PL17, PL2, PL21, PL24, PL25, PL26, PL31, PL4, PL5, PL6, PL7, PL8, TQ1, TQ11, TQ12,
TQ2, TQ4, TQ5, TQ6, TQ9, TR1, TR12, TR15, TR8
Contract start date 1st Oct 2011 1st Oct 2012 1st Oct 2013 1st Oct 2014 1st Oct 2015
Contract end date 30th Sept 2012 30th Sept 2013 30th Sept 2014 30th Sept 2015 30th Sept 2016
Minimum number of interruptible days to be
Offered1 1 1 1 1
Maximum number of interruptible days to be
Offered5 5 5 5 5
Aggregate Interruptible Capacity Quantity
required (kWh)3,100,000 4,200,000 4,200,000 4,200,000 4,200,000
October 2008 ad-hoc Invitation
• Process
– Existing UK Link functionality
• Timescales / Key Dates
– Provisional Eligibility files issued to Shippers / Transporters 4 th August 2008
– Ad-hoc Invitation issued 8th September 2008
• Publication of Requirements & eligible supply point locations
– Ad-hoc Invitation Dates (10 consecutive Days)
• Monday 13th October 2008 to Friday 24th October 2008
– Results and Reports to be issued no later than 21st November 2008
October 2008 ad-hoc Invitation
Mon Tue Wed Thu Fri Sat Sun Mon Tue Wed Thu Fri Sat Sun Mon Tue Wed Thu Fri Sat Sun
1 2 3 4 5 6 7 1 2 3 4 5 1 2
8 9 10 11 12 13 14 6 7 8 9 10 11 12 3 4 5 6 7 8 9
15 16 17 18 19 20 21 13 14 15 16 17 18 19 10 11 12 13 14 15 16
22 23 24 25 26 27 28 20 21 22 23 24 25 26 17 18 19 20 21 22 23
29 30 27 28 29 30 31 24 25 26 27 28 29 30
Interruption Invitation Invitation Dates Notification & Reports
September 2008 October 2008 November 2008