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![Page 1: Datalogger / DMV Modification Proposals - Summary Simon Trivella 26 th August 2010 Distribution Workstream - Elexon U P D A T E.](https://reader035.fdocuments.in/reader035/viewer/2022062413/5a4d1b8f7f8b9ab0599c06da/html5/thumbnails/1.jpg)
Datalogger / DMV Modification Proposals - Summary
Simon Trivella – 26th August 2010Distribution Workstream - Elexon
UPDATE
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Content• Reminder of June 2010 presentation and potential Modification Proposals
• Modification Proposal 0224 (DM Elective) Update
• Daily Read statistics– DM population changes with DME switching (various scenarios)
• Update on WWU proposed Modification Proposals
UPDATE
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Background / Drivers• The world is changing – increase in AMR usage and new supplier
obligation increases the number of devices attached to meters– More options for obtaining data
– More cases of devices being disconnected resulting in lost data and therefore data not being usable
• DM elective (DME) due to be introduced in November 2010– Consistent with meter reading being a competitive activity
• Modification Proposal 0258A already implemented which reflects this changing world
– Allows Transporter to procure data from 3rd parties
June 2010
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Background / Drivers• DM Unbundling to be considered / developed
– Potential lengthy timescales
• WWU is drafting three Modification Proposals– Priority of position for Transporter equipment
– Removal DM voluntary (DMV) sites from DM liability regime
– Removal of DMV regime when DME is operational and after transition period
• Detailed discussions to take place at June 2010 Distribution Workstream
• Feedback / comments welcome in the interim period
June 2010
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DM Elective (DME) Update• Implementation Date confirmed as 21st November 2010
– Phase 1 (21st November 2010)
• AQ > 5,860,000 kWh (200,000 tpa)
– Phase 2 (21st November 2011)
• AQ > 2,196,000 kWh (75,000 tpa)
– Phase 3 (21st May 2012)
• AQ > 732,000 kWh (25,000 tpa)
• All Phases subject to a maximum DME count of 25,000
• Phase 2 & 3 dates can be later if Transporters determine necessary
• Modification Proposal required for earlier Phasing
UPDATE
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Daily Read StatisticsUPDATE
• DM Sites – All Distribution NetworksDME
Phase FIRM SNI TNI Total
n/a 199 270 10 479
n/a 37 15 1 53
1 134 193 5 332
1 102 289 15 406
1 63 261 13 337
2 52 46 2 100
3 17 13 0 30
n/a 18 17 1 36
622 1,104 47 1,773
<732,000
Total
>=2,196,001 and <5,860,000
>=732,001 and <2,196,000
Load Band kWh
>=58,600,000 mandatory
>=58,600,000 voluntary
>=29,300,000 and <58,600,000
>=14,650,000 and <29,300,000
>=5,860,000 and <14,650,000
532
1,241
30.0%
70.0%
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Daily Read StatisticsUPDATE
• 532 (30%) of current DM sites are above DM Mandatory threshold– 1,241 of DM sites are below the Mandatory threshold (includes Interruptibles)
• 1,151 (65%) of sites are Interruptible Supply Points– 296 of these would remain DMM if Firm
• Only 36 (2%) sites have AQ <732,000 kWh (not eligible for DME)
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Potential DM Population ChangesUPDATE
DM population with 100% 'switch' to DM Elective
0
250
500
750
1,000
1,250
1,500
1,750
2,000
Aug-10
Oct-10
Dec-10
Feb-11
Apr-11
Jun-1
1
Aug-11
Oct-11
Dec-11
Feb-1
2
Apr-12
Jun-1
2
Aug-12
Date
Supp
ly P
oint
s
DMV (100%)
DME (100%)
GT DRE
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Potential DM Population ChangesUPDATE
DM population with 50% 'switch' to DM Elective
0
250
500
750
1,000
1,250
1,500
1,750
2,000
Aug-10
Oct-10
Dec-10
Feb-1
1
Apr-11
Jun-1
1
Aug-11
Oct-11
Dec-11
Feb-1
2
Apr-12
Jun-1
2
Aug-12
Date
Supp
ly P
oint
s
DMV (50%)
DME (50%)
GT DRE
![Page 10: Datalogger / DMV Modification Proposals - Summary Simon Trivella 26 th August 2010 Distribution Workstream - Elexon U P D A T E.](https://reader035.fdocuments.in/reader035/viewer/2022062413/5a4d1b8f7f8b9ab0599c06da/html5/thumbnails/10.jpg)
Potential DM Population ChangesUPDATE
DM population with 10% 'switch' to DM Elective
0
250
500
750
1,000
1,250
1,500
1,750
2,000
Aug-10
Oct-10
Dec-10
Feb-1
1
Apr-11
Jun-1
1
Aug-11
Oct-11
Dec-11
Feb-1
2
Apr-12
Jun-1
2
Aug-12
Date
Supp
ly P
oint
s
DMV (10%)
DME (10%)
GT DRE
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Priority of position for Transporter equipment• Gives priority of position to Transporter dataloggers and data recorders
installed for UNC purposes
• UNC refers to IGE Meter Recommendations– Installation of Supply Meter only
– IGEM/GM/7A proposes that loggers used for fiscal purposes should have priority
• This does not apply to equipment used for other purposes (e.g. Demand Estimation)
• We recognise work to develop standard MPU contract
• For historical reasons Transporter equipment tends to have priority of position
• Modification raised to regularise situation and ensure that the position is clear within the UNC
June 2010
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Priority of position for Transporter equipment• Proposal placed on hold
– Feedback received at previous Workstreams
– Modification Proposal 0258A offers level of protection
• Revisit at a later stage
UPDATE
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Removal DM voluntary sites from DM liabilities• DMV sites can be from 73,200 kWh to 58,599,000 kWh
• Not material to daily balancing requirements
• Daily settlement data requirements are D+5
• Removal of DMV from DM liability regime would mean that networks concentrated on the DMM sites that are material to daily balancing
June 2010
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Removal DM voluntary sites from DM liabilities• Feedback from Distribution Workstream members
– Alignment with “competitive” alternative?
– Reduction in charges?
• Competitive alternative (currently) restricted to >732,000 kWh– This would leave an obligation on a small population of DMV
• No plans to align with DME rollout
• Proposed amendments– Limit removal to D+1 11am Read Submission (UNC TPD M 5.1)
– Reads not provided with D+5 remain subject to liabilities (UNC TPD M 5.2.3)
– No changes to rollout
• “big bang” approach
UPDATE
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Removal of DMV regime• Once competitive activity established then the bundled service should cease
to be an obligation– Transporters could act as a DM(E)SP (outside of UNC arrangements)
• Consistent with meter reading being competitive activity
• DM Elective will provide competitive alternative to DMV
• Phased approach consistent with DME rollout
• Transition period of [3] months following each Phase– 1st Phase transition period of [6] months
• After transition period all DMV sites become DME or NDM
June 2010
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Removal of DMV regime• Generally positive feedback from Distribution Workstream members
– Issues around <732,000 kWh sites as not eligible for DME
• Proposal updates– Transition period following Phase 1 to be 6 months
– Transition period following Phase 2 & 3 to be 3 months
– 73,200kWh to 732,000kWh also to be removed 3 months after Phase 3
• No competitive alternative (currently)
• Only 36 sites nationally (18 Firm & 18 Interruptible)
• Majority of sites are “drifters” (i.e. demand reduced)
• Consider option to allow existing ‘small’ DMVs to become DME?– Is this a viable option?
UPDATE
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Next steps• Further comments / feedback welcome
• [Draft] Modification Proposals to be raised in Sept/Oct 2010– Further Distribution Workstream discussions as necessary
UPDATE
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Datalogger / DMV Modification Proposals - Summary
Simon Trivella – 26th August 2010Distribution Workstream - Elexon