1. Read Tolerance Scenarios - UNCVR
April 2018

2. 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

3. 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