jake jake jake jake Energy efficiency condition jake jake jake

Document Sample
jake jake jake jake Energy efficiency condition jake jake jake Powered By Docstoc
					        Energy efficiency condition




                    Missed - late contact/no
                          response
                              6%




Some requirements                    No requirements
      53%                                 41%
Calculation of saving resulting from energy efficiency condition
                                                                               approvals          commenced       completed           Sample
Sample period 1                                     4/1/2006       5/11/2007               485                140 ?                              90 (of 140)
Sample period 2                                     5/1/2007       1/31/2008               848                404 ?                             201 (of 404)
Sample period 3                                    1/31/2008      12/31/2008                                                                    150
                                                                                                                                                441
                                                    4/1/2006       2/28/2009               1182               746               453
Last four months                                    3/1/2009       6/30/2009                210               108                13
Total                                                                                      1392               854               466

                                                                                                                                       Percentage
                                                                                                                                      assuming 'still
                                                                                                                                        to sort' are
Number of measures                           Total sample 1 Total sample 2 Total sample 3           Combined        Percentage            sorted      approvals     commenced     completed
CWI                                                       11            16             16                      43           10%                   13%           176           108          59
Loft                                                      24            26             19                      69           16%                   20%           282           173          94
New boiler                                                11            11               5                     27            6%                    8%           110            68          37
Controls                                                  10            18               5                     33            7%                   10%           135            83          45
Cylinder insulation                                        1            10               3                     14            3%                    4%            57            35          19
Draught proofing                                           7             6               2                     15            3%                    4%            61            38          20
Low energy lighting                                       25            37               9                     71           16%                   21%           290           178          97
Floor                                                      0             1               0                      1            0%                    0%             4             3           1

Missed - late contact/no response                         0              22                  0                 22               5%              6%             90             55            30
Still to sort                                            18              43                 39                100              23%
No requirements                                          20              66                 52                138              31%              40%            563           346            189
Some requirements                                        52              70                 59                181              41%              53%            739           453            247
                                                                                                                              100%             100%

EST Evaluation energy savings for Practical help 2006
Average savings for installed energy efficiency measures
- Weighted by national property mix and heating fuel.
UK average gas heating bill May 06 (3 bed)      £       830
UK average gas heating bill May 09 (3 bed)      £     1,050
Cost saving adjustment factor                           1.27

Per measure                                                          Annual Savings                                                                      Lifetime Savings
                                             Energy Saving      Financial            Carbon Saving                   Lifetime         Energy Saving   Financial          Carbon Saving
                                               Net (kWh)       Saving (£/yr)     kgC/yr        kgCO2/yr                (yrs)            Net (kWh)     Saving (£)         tC          tCO2
Cavity wall insulation                                 3305              127            194            711                      40            70579          2705               8         28
Loft insulation 25 - 270mm                             2772              106            163            596                      30            50980          1954               5         18
Boiler upgrade stock average to condensing             3411              114            180            660                      17            43159          1437               3         11
TRVs only                                                132                 4            7             26                      15             1520             50              0          0
HWT insulation                                           480               18            28            103                      10             3988           153               0          1
Draught proofing                                         463               18            27            100                      15             5329           204               0          1
CFLs x 4                                                 134               18            16             58                      16             1621           213               0          1

All extensions approved since policy began                           Annual Savings                                                                      Lifetime Savings
(Assuming still to sort are sorted)          Energy Saving      Financial            Carbon Saving                   Lifetime         Energy Saving   Financial          Carbon Saving
                                               Net (kWh)       Saving (£/yr)     kgC/yr        kgCO2/yr                (yrs)            Net (kWh)     Saving (£)         tC          tCO2
Cavity wall insulation                          581683        22297    34134    125158   40     12421883          476159   1365     5006
Loft insulation 25 - 270mm                      781659        29963    45869    168185   30     14376306          551077   1376     5046
Boiler upgrade stock average to condensing      375257        12498    19801     72602   17      4747502          158111    337     1234
TRVs only                                        17820           592     940      3448   15       205240            6813     14        52
HWT insulation                                   27332         1048     1604      5881   10       227311            8713     16        59
Draught proofing                                 28227         1082     1656      6073   15       325098           12462     25        91
CFLs x 4                                         38860         5118     4557     16710   16       469977           61893     73       267
Total                                        1,850,838 £     72,596            398,057        32,773,319 £     1,275,228          11,755

All commencements to 30/06/2009              1,135,500   £   44,538            244,210        20,106,619   £    782,360            7,212
All completions to 30/06/2009                  619,605   £   24,303            133,257        10,971,528   £    426,908            3,935
No Reqs       To sort       CW       L       B       C       D       H       F
                                 1       1
                        1
          1
          1
          1
          1
          1
          1
                        1
                                         1
          1
          1
          1
                        1
          1
                        1
          1
                                 1       1               1
          1

          1
                                 1                               1       1
          1
          1
                        1
                                 1
          1
                        1
                        1
          1
                        1
          1
          1
                                                                 1
                        1
          1
          1
                        1
                        1
                                 1       1
          1
                                 1               1       1               1
                        1
          1
          1

          1
                                         1
                                 1
                        1
                        1
    1
1
            1
    1
        1
1
1
1
1
            1
                1
    1
1
1
    1
1
    1
            1
        1   1
    1
        1   1
    1
1
    1
1
0
0
    1
                1   1
0
        1   1
        1
0
        1
1
0
    1
    1
        1
    1
            1
    1
    1
            1
1
0
0
0
    1
0
0
                    1
0
0
           1   1    1           1
1
0
               1
1
1
0
1
     1
0
1
     1
1
1
               1
1
     1
0
1    1
     1
     1

               1    1   1
0
0
0
0
1
1
     1
0
     1
               1
1
           1   1
1
0
0
0
0
1
     1
     1
 0
 1
52   39   16   19   5   5   2   3   0

59
E
    1




    1




    1




    1
1

1
1




1




1




9

				
DOCUMENT INFO
Shared By:
Categories:
Stats:
views:5
posted:4/20/2010
language:English
pages:9