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Impact of CDCM on unmetered energy

Impact of CDCM on unmetered energy. Presented by Tom Chevalier. Background. Unmetered energy (2008/09 settlement year): 3,850 GWh 1.16% of settlement demand 202 HH MPANs 30,874 NHH MPANs BSC allows for NHH & HH trading Historic regional variance

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Impact of CDCM on unmetered energy

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  1. Impact of CDCM on unmetered energy Presented by Tom Chevalier 4Mar2010

  2. Background • Unmetered energy (2008/09 settlement year): • 3,850 GWh • 1.16% of settlement demand • 202 HH MPANs • 30,874 NHH MPANs • BSC allows for NHH & HH trading • Historic regional variance • Customers developing energy saving schemes • Part night lighting • Part night dimming • Government incentives to reduce emissions

  3. HH vs NHH • Better for bigger customers • Better for small customers Red, Amber, Green HH billing Billing data visible HH data reflects actual consumption profile Distributor ‘protected’ from change of profile by RAG charges Single rate NHH billing Billing data obscure NHH data is profiled using PC1 & 8 Distributor ‘exposed’ to customer change of profile

  4. NHH Issues • Single rate NHH DUoS does not reflect usage times • NHH profiles contribute to Group Correction error • Do not want to disadvantage the more accurate method of trading for customers/suppliers • Large customer billing errors not so apparent CE Electric

  5. Proposal • Review unmetered DUoS charging in 2011/12: • modify the NHH charge structure away from the current CDCM single rate to make it more cost reflective, utilisation the existing different codes: • A – Continuous (lower) • B - Dusk to Dawn (similar to published average) • C - Half night and pre-dawn (highest) • D - Dawn to Dusk (higher) • link the NHH & HH charges so that they do not diverge significantly

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