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Read Tolerance Scenarios - UNCVR
April 2018
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Scenario 1 – Read duration = 1 month
AQ = 10,001 AQ = 19,999 Outer tolerance Current = 401% Proposed = 701% Proposed = 701% Typical monthly consumption 833 kWh 1,667 kWh Max allowed energy (kWh approx) 3,340 5,840 6,683 11,683 Reconciliation energy (kWh approx) 2,507 5,007 5,016 10,016 Energy rec value £50 £100 £200 New AQ (approx – depends on actual weather for period) 12,500 15,000 25,015 30,015 AQ increase +25% +50% Assumptions: SAP (energy price) 2p/kWh Previous reads were all in line with AQ Ignores interim AQ validation tolerances
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Scenario 2 – Read duration = 12 months
AQ = 10,001 AQ = 19,999 Outer tolerance Current = 401% Proposed = 701% Proposed = 701% Typical annual consumption 10,001 kWh 19,999 kWh Max allowed energy (kWh approx) 40,104 70,100 80,196 140,190 Reconciliation energy (kWh approx) 30,103 60,100 60,197 120,190 Energy rec value £600 £1,200 £2,400 New AQ (approx – depends on actual weather for period) 40,100 80,200 140,200 AQ increase +300% +600% Assumptions: SAP (energy price) 2p/kWh Ignores interim AQ validation tolerances
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