25
October 2016 Sr. No. Month Ni = No. of Consumers who experienced a sustained interruption on ith Feeder Ri = Restoration Time for each interruption event on ith Feeder Nt = Total No. of consumers of the Distribution Licensee area Sum (Ri X Ni) for all Feeders excluding agri. Feeders SAIDI = (6) / (5) 2 3 4 5 6 7 1 Oct-16 205416 25.56 1012342 5250827 5.19 Sr. No. Month Ni = No. of Consumers who experienced a sustained interruption on ith Feeder Sum of Consumers of ith feeder which had experienced interruptions = Sum Ni Nt = Total No. of consumers of the Distribution Licensee area SAIFI = (4) / (5) 2 3 4 5 6 1 Oct-16 205416 205416 1012342 0.20 Sr. No. Month SAIDI SAIFI SAIDI / SAIFI 2 3 4 5 1 Oct-16 5.19 0.20 25.95 (ii) System Average Interruption Frequency Index (SAIFI) (iii) Consumer Average Interruption Duration Index (CAIDI) B. E. S. & T. UNDERTAKING Annexure - IV Performance Report regarding Reliability Indices Format for Monthly /Quarterly Returns to be submitted to the Commission by the Distribution Licensee (i) System Average Interruption Duration Index (SAIDI)

B. E. S. & T. UNDERTAKING · Feeder Ri = Restoration Time for each interruption event on ith Feeder Nt = Total No. of consumers of the Distribution Licensee area Sum (Ri X Ni) for

  • Upload
    others

  • View
    1

  • Download
    0

Embed Size (px)

Citation preview

Page 1: B. E. S. & T. UNDERTAKING · Feeder Ri = Restoration Time for each interruption event on ith Feeder Nt = Total No. of consumers of the Distribution Licensee area Sum (Ri X Ni) for

October 2016

Sr. No. Month

Ni = No. of

Consumers who

experienced a

sustained

interruption on ith

Feeder

Ri = Restoration

Time for each

interruption event

on ith Feeder

Nt = Total No. of

consumers of the

Distribution Licensee

area

Sum (Ri X Ni) for all

Feeders excluding

agri. Feeders

SAIDI = (6) / (5)

2 3 4 5 6 7

1 Oct-16 205416 25.56 1012342 5250827 5.19

Sr. No. Month

Ni = No. of

Consumers who

experienced a

sustained

interruption on ith

Feeder

Sum of Consumers

of ith feeder which

had experienced

interruptions = Sum

Ni

Nt = Total No. of

consumers of the

Distribution Licensee

area

SAIFI = (4) / (5)

2 3 4 5 6

1 Oct-16 205416 205416 1012342 0.20

Sr. No. Month SAIDI SAIFI SAIDI / SAIFI

2 3 4 5

1 Oct-16 5.19 0.20 25.95

(ii) System Average Interruption Frequency Index (SAIFI)

(iii) Consumer Average Interruption Duration Index (CAIDI)

B. E. S. & T. UNDERTAKINGAnnexure - IV

Performance Report regarding Reliability Indices

Format for Monthly /Quarterly Returns to be submitted to the Commission by the Distribution Licensee

(i) System Average Interruption Duration Index (SAIDI)

Page 2: B. E. S. & T. UNDERTAKING · Feeder Ri = Restoration Time for each interruption event on ith Feeder Nt = Total No. of consumers of the Distribution Licensee area Sum (Ri X Ni) for

July 2016 to September 2016 (Quarter II)

Sr. No. Month

Ni = No. of Consumers

who experienced a

sustained interruption on

ith Feeder

Ri = Restoration Time

for each interruption

event on ith Feeder

Nt = Total No. of

consumers of the

Distribution Licensee

area

Sum (Ri X Ni) for all

Feeders excluding agri.

Feeders

SAIDI = (6) / (5)

2 3 4 5 6 7

1 Jul-16 321927 30.35 1012342 9770905 9.65

2 Aug-16 260114 28.92 1012342 7522013 7.43

3 Sep-16 239552 33.79 1012342 8094416 8.00

821593 93.06 1012342 25387334 25.08

Sr. No. Month

Ni = No. of Consumers

who experienced a

sustained interruption on

ith Feeder

Sum of Consumers of

ith feeder which had

experienced

interruptions = Sum

Ni

Nt = Total No. of

consumers of the

Distribution Licensee

area

SAIFI = (4) / (5)

2 3 4 5 6

1 Jul-16 321927 321927 1012342 0.32

2 Aug-16 260114 260114 1012342 0.26

3 Sep-16 239552 239552 1012342 0.24

821593 821593 1012342 0.82

Sr. No. Month SAIDI SAIFI SAIDI / SAIFI

1 2 3 4 5

1 Jul-16 9.65 0.32 30.16

2 Aug-16 7.43 0.26 28.58

3 Sep-16 8.00 0.24 33.33

25.08 0.82 30.59

(ii) System Average Interruption Frequency Index (SAIFI)

Total

(iii) Consumer Average Interruption Duration Index (CAIDI)

Total

B. E. S. & T. UNDERTAKINGAnnexure - IV

Performance Report regarding Reliability Indices

Format for Quarterly Returns to be submitted to the Commission by the Distribution Licensee

(i) System Average Interruption Duration Index (SAIDI)

Total

Page 3: B. E. S. & T. UNDERTAKING · Feeder Ri = Restoration Time for each interruption event on ith Feeder Nt = Total No. of consumers of the Distribution Licensee area Sum (Ri X Ni) for

B. E. S. & T. UNDERTAKING

Performance Report regarding Reliability Indices

(i) System Average Interruption Duration Index (SAIDI)Aug-16

Sr. No. Month SAIDI = (6) / (5)

2 3 4 5 6 71 Aug-16 260114 28.92 1012342 7522013 7.43

(ii) System Average Interruption Frequency Index (SAIFI)Aug-16

Sr. No. Month SAIFI = (4) / (5)

2 3 4 5 61 Aug-16 260114 260114 1012342 0.26

(iii) Consumer Average Interruption Duration Index (CAIDI)Aug-16

Sr. No. Month SAIDI SAIFI SAIDI / SAIFI2 3 4 5

1 Aug-16 7.43 0.26 28.58

Annexure - IV

Format for Monthly /Quarterly Returns to be submitted to the Commission by the Distribution Licensee

Ni = No. of Consumers who experienced a

sustained interruption on ith

Feeder

Ri = Restoration Time for each

interruption event on ith Feeder

Nt = Total No. of consumers of the

Distribution Licensee area

Sum (Ri X Ni) for all Feeders excluding

agri. Feeders

Ni = No. of Consumers who experienced a

sustained interruption on ith

Feeder

Sum of Consumers of ith feeder which

had experienced interruptions = Sum

Ni

Nt = Total No. of consumers of the

Distribution Licensee area

Page 4: B. E. S. & T. UNDERTAKING · Feeder Ri = Restoration Time for each interruption event on ith Feeder Nt = Total No. of consumers of the Distribution Licensee area Sum (Ri X Ni) for

Jul-16

Sr. No. Month

Ni = No. of

Consumers who

experienced a

sustained

interruption on ith

Feeder

Ri = Restoration

Time for each

interruption event

on ith Feeder

Nt = Total No. of

consumers of the

Distribution Licensee

area

Sum (Ri X Ni) for all

Feeders excluding

agri. Feeders

SAIDI = (6) / (5)

2 3 4 5 6 7

1 Jul-16 321927 30.35 1012342 9770905 9.65

Jul-16

Sr. No. Month

Ni = No. of

Consumers who

experienced a

sustained

interruption on ith

Feeder

Sum of Consumers

of ith feeder which

had experienced

interruptions =

Sum Ni

Nt = Total No. of

consumers of the

Distribution Licensee

area

SAIFI = (4) / (5)

2 3 4 5 6

1 Jul-16 321927 321927 1012342 0.32

Jul-16

Sr. No. Month SAIDI SAIFI SAIDI / SAIFI

2 3 4 5

1 Jul-16 9.65 0.32 30.16

(iii) Consumer Average Interruption Duration Index (CAIDI)

B. E. S. & T. UNDERTAKINGAnnexure - IV

Performance Report regarding Reliability Indices

Format for Monthly /Quarterly Returns to be submitted to the Commission by the Distribution Licensee

(i) System Average Interruption Duration Index (SAIDI)

(ii) System Average Interruption Frequency Index (SAIFI)

Page 5: B. E. S. & T. UNDERTAKING · Feeder Ri = Restoration Time for each interruption event on ith Feeder Nt = Total No. of consumers of the Distribution Licensee area Sum (Ri X Ni) for

April & May 2016

Sr. No. Month

Ni = No. of

Consumers who

experienced a

sustained

interruption on ith

Feeder

Ri = Restoration

Time for each

interruption event

on ith Feeder

Nt = Total No. of

consumers of the

Distribution Licensee

area

Sum (Ri X Ni) for all

Feeders excluding

agri. Feeders

SAIDI = (6) / (5)

2 3 4 5 6 7

1 Apr-16 305319 25.00 1012342 7633728 7.54

2 May-16 394213 26.68 1012342 10517124 10.39

April & May 2016

Sr. No. Month

Ni = No. of

Consumers who

experienced a

sustained

interruption on ith

Feeder

Sum of Consumers

of ith feeder which

had experienced

interruptions = Sum

Ni

Nt = Total No. of

consumers of the

Distribution Licensee

area

SAIFI = (4) / (5)

2 3 4 5 6

1 Apr-16 305319 305319 1012342 0.30

2 May-16 394213 394213 1012342 0.39

April & May 2016

Sr. No. Month SAIDI SAIFI SAIDI / SAIFI

2 3 4 5

1 Apr-16 7.54 0.30 25.13

2 May-16 10.39 0.39 26.64

(iii) Consumer Average Interruption Duration Index (CAIDI)

B. E. S. & T. UNDERTAKINGAnnexure - IV

Performance Report regarding Reliability Indices

Format for Monthly /Quarterly Returns to be submitted to the Commission by the Distribution Licensee

(i) System Average Interruption Duration Index (SAIDI)

(ii) System Average Interruption Frequency Index (SAIFI)

Page 6: B. E. S. & T. UNDERTAKING · Feeder Ri = Restoration Time for each interruption event on ith Feeder Nt = Total No. of consumers of the Distribution Licensee area Sum (Ri X Ni) for

Jan-16

Sr. No. Month

Ni = No. of

Consumers who

experienced a

sustained

interruption on ith

Feeder

Ri = Restoration

Time for each

interruption event

on ith Feeder

Nt = Total No. of

consumers of the

Distribution Licensee

area

Sum (Ri X Ni) for all

Feeders excluding

agri. Feeders

SAIDI = (6) / (5)

2 3 4 5 6 7

1 Jan-16 201890 28.71 1010899 5795765 5.73

Sr. No. Month

Ni = No. of

Consumers who

experienced a

sustained

interruption on ith

Feeder

Sum of Consumers

of ith feeder which

had experienced

interruptions =

Sum Ni

Nt = Total No. of

consumers of the

Distribution Licensee

area

SAIFI = (4) / (5)

2 3 4 5 6

1 Jan-16 201890 201890 1010899 0.20

Sr. No. Month SAIDI SAIFI SAIDI / SAIFI

2 3 4 5

1 Jan-16 5.73 0.20 28.65

(ii) System Average Interruption Frequency Index (SAIFI)

(iii) Consumer Average Interruption Duration Index (CAIDI)

B. E. S. & T. UNDERTAKINGAnnexure - IV

Performance Report regarding Reliability Indices

Format for Monthly /Quarterly Returns to be submitted to the Commission by the Distribution Licensee

(i) System Average Interruption Duration Index (SAIDI)

Page 7: B. E. S. & T. UNDERTAKING · Feeder Ri = Restoration Time for each interruption event on ith Feeder Nt = Total No. of consumers of the Distribution Licensee area Sum (Ri X Ni) for

Dec-15

Sr. No. Month

Ni = No. of

Consumers who

experienced a

sustained

interruption on ith

Feeder

Ri = Restoration

Time for each

interruption event

on ith Feeder

Nt = Total No. of

consumers of the

Distribution Licensee

area

Sum (Ri X Ni) for all

Feeders excluding

agri. Feeders

SAIDI = (6) / (5)

2 3 4 5 6 7

1 Dec-15 146389 23.73 1010899 3473184 3.44

Sr. No. Month

Ni = No. of

Consumers who

experienced a

sustained

interruption on ith

Feeder

Sum of Consumers

of ith feeder which

had experienced

interruptions =

Sum Ni

Nt = Total No. of

consumers of the

Distribution Licensee

area

SAIFI = (4) / (5)

2 3 4 5 6

1 Dec-15 146389 146389 1010899 0.14

Sr. No. Month SAIDI SAIFI SAIDI / SAIFI

2 3 4 5

1 Dec-15 3.44 0.14 24.57

(ii) System Average Interruption Frequency Index (SAIFI)

(iii) Consumer Average Interruption Duration Index (CAIDI)

B. E. S. & T. UNDERTAKINGAnnexure - IV

Performance Report regarding Reliability Indices

Format for Monthly /Quarterly Returns to be submitted to the Commission by the Distribution Licensee

(i) System Average Interruption Duration Index (SAIDI)

Page 8: B. E. S. & T. UNDERTAKING · Feeder Ri = Restoration Time for each interruption event on ith Feeder Nt = Total No. of consumers of the Distribution Licensee area Sum (Ri X Ni) for

Nov-15

Sr. No. Month

Ni = No. of Consumers who experienced a

sustained interruption on ith

Feeder

Ri = Restoration Time for each

interruption event on ith Feeder

Nt = Total No. of consumers of the

Distribution Licensee area

Sum (Ri X Ni) for all Feeders excluding

agri. FeedersSAIDI = (6) / (5)

2 3 4 5 6 71 Nov-15 210043 25.29 1010899 5311619 5.25

Sr. No. Month

Ni = No. of Consumers who experienced a

sustained interruption on ith

Feeder

Sum of Consumers of ith feeder which

had experienced interruptions =

Sum Ni

Nt = Total No. of consumers of the

Distribution Licensee area

SAIFI = (4) / (5)

2 3 4 5 61 Nov-15 210043 210043 1010899 0.21

Sr. No. Month SAIDI SAIFI SAIDI / SAIFI2 3 4 5

1 Nov-15 5.25 0.21 25.00

(ii) System Average Interruption Frequency Index (SAIFI)

(iii) Consumer Average Interruption Duration Index (CAIDI)

B. E. S. & T. UNDERTAKINGAnnexure - IV

Performance Report regarding Reliability IndicesFormat for Monthly /Quarterly Returns to be submitted to the Commission by the Distribution Licensee

(i) System Average Interruption Duration Index (SAIDI)

Page 9: B. E. S. & T. UNDERTAKING · Feeder Ri = Restoration Time for each interruption event on ith Feeder Nt = Total No. of consumers of the Distribution Licensee area Sum (Ri X Ni) for

Oct-15

Sr. No. Month

Ni = No. of Consumers who experienced a

sustained interruption on ith

Feeder

Ri = Restoration Time for each

interruption event on ith Feeder

Nt = Total No. of consumers of the

Distribution Licensee area

Sum (Ri X Ni) for all Feeders excluding

agri. FeedersSAIDI = (6) / (5)

2 3 4 5 6 71 Oct-15 293515 31.27 1010899 9176799 9.08

Sr. No. Month

Ni = No. of Consumers who experienced a

sustained interruption on ith

Feeder

Sum of Consumers of ith feeder which

had experienced interruptions =

Sum Ni

Nt = Total No. of consumers of the

Distribution Licensee area

SAIFI = (4) / (5)

2 3 4 5 61 Oct-15 293515 293515 1010899 0.29

Sr. No. Month SAIDI SAIFI SAIDI / SAIFI2 3 4 5

1 Oct-15 9.08 0.29 31.31

(ii) System Average Interruption Frequency Index (SAIFI)

(iii) Consumer Average Interruption Duration Index (CAIDI)

B. E. S. & T. UNDERTAKINGAnnexure - IV

Performance Report regarding Reliability IndicesFormat for Monthly /Quarterly Returns to be submitted to the Commission by the Distribution Licensee

(i) System Average Interruption Duration Index (SAIDI)

Page 10: B. E. S. & T. UNDERTAKING · Feeder Ri = Restoration Time for each interruption event on ith Feeder Nt = Total No. of consumers of the Distribution Licensee area Sum (Ri X Ni) for

July 2015 to August 2015(Q-II)

Sr. No. Month

Ni = No. of Consumers who experienced a

sustained interruption on

ith Feeder

Ri = Restoration Time for each interruption

event on ith Feeder

Nt = Total No. of consumers of the

Distribution Licensee area

Sum (Ri X Ni) for all Feeders excluding agri.

FeedersSAIDI = (6) / (5)

2 3 4 5 6 71 Jul-15 313770 38.75 1010899 12158129 12.032 Aug-15 275333 31.15 1010899 8575936 8.483 Sep-15 228035 35.17 1010899 8019572 7.93

817138 105.06 1010899 28753637 28.44

Sr. No. Month

Ni = No. of Consumers who experienced a

sustained interruption on

ith Feeder

Sum of Consumers of

ith feeder which had experienced

interruptions = Sum Ni

Nt = Total No. of consumers of the

Distribution Licensee area

SAIFI = (4) / (5)

2 3 4 5 61 Jul-15 313770 313770 1010899 0.312 Aug-15 275333 275333 1010899 0.273 Sep-15 228035 228035 1010899 0.23

817138 817138 1010899 0.81

Sr. No. Month SAIDI SAIFI SAIDI / SAIFI1 2 3 4 51 Jul-15 12.03 0.31 38.812 Aug-15 8.48 0.27 31.413 Sep-15 7.93 0.23 34.48

28.44 0.81 35.11Total

(iii) Consumer Average Interruption Duration Index (CAIDI)

B. E. S. & T. UNDERTAKINGAnnexure - IV

Performance Report regarding Reliability IndicesFormat for Quarterly Returns to be submitted to the Commission by the Distribution Licensee

(i) System Average Interruption Duration Index (SAIDI)

(ii) System Average Interruption Frequency Index (SAIFI)

Total

Total

Page 11: B. E. S. & T. UNDERTAKING · Feeder Ri = Restoration Time for each interruption event on ith Feeder Nt = Total No. of consumers of the Distribution Licensee area Sum (Ri X Ni) for

July 2015

Sr. No. Month

Ni = No. of Consumers who experienced a

sustained interruption on ith

Feeder

Ri = Restoration Time for each

interruption event on ith Feeder

Nt = Total No. of consumers of the

Distribution Licensee area

Sum (Ri X Ni) for all Feeders excluding

agri. FeedersSAIDI = (6) / (5)

2 3 4 5 6 71 Jul-15 313770 38.75 1010899 12158129 12.03

Sr. No. Month

Ni = No. of Consumers who experienced a

sustained interruption on ith

Feeder

Sum of Consumers of ith feeder which

had experienced interruptions =

Sum Ni

Nt = Total No. of consumers of the

Distribution Licensee area

SAIFI = (4) / (5)

2 3 4 5 61 Jul-15 313770 313770 1010899 0.31

Sr. No. Month SAIDI SAIFI SAIDI / SAIFI2 3 4 5

1 Jul-15 12.03 0.31 38.81

(ii) System Average Interruption Frequency Index (SAIFI)

(iii) Consumer Average Interruption Duration Index (CAIDI)

B. E. S. & T. UNDERTAKINGAnnexure - IV

Performance Report regarding Reliability IndicesFormat for Monthly /Quarterly Returns to be submitted to the Commission by the Distribution Licensee

(i) System Average Interruption Duration Index (SAIDI)

Page 12: B. E. S. & T. UNDERTAKING · Feeder Ri = Restoration Time for each interruption event on ith Feeder Nt = Total No. of consumers of the Distribution Licensee area Sum (Ri X Ni) for

April 2015 to June 2015

Sr. No. Month

Ni = No. of Consumers who experienced a

sustained interruption on ith

Feeder

Ri = Restoration Time for each

interruption event on ith Feeder

Nt = Total No. of consumers of the

Distribution Licensee area

Sum (Ri X Ni) for all Feeders excluding

agri. FeedersSAIDI = (6) / (5)

2 3 4 5 6 71 Apr-15 349486 30.64 1010899 10707498 10.592 May-15 247998 30.72 1010899 7618551 7.543 Jun-15 474586 34.28 1010899 16268816 16.09

1072070 32.27 1010899 34594865 34.22

Sr. No. Month

Ni = No. of Consumers who experienced a

sustained interruption on ith

Feeder

Sum of Consumers of ith feeder which

had experienced interruptions =

Sum Ni

Nt = Total No. of consumers of the

Distribution Licensee area

SAIFI = (4) / (5)

2 3 4 5 61 Apr-15 349486 349486 1010899 0.352 May-15 247998 247998 1010899 0.253 Jun-15 474586 474586 1010899 0.47

1072070 1072070 1010899 1.07

Sr. No. Month SAIDI SAIFI SAIDI / SAIFI2 3 4 5

1 Apr-15 10.59 0.35 30.262 May-15 7.54 0.25 30.163 Jun-15 16.09 0.47 34.23

34.22 1.07 31.98

(iii) Consumer Average Interruption Duration Index (CAIDI)

Total

Total

Total

B. E. S. & T. UNDERTAKINGAnnexure - IV

Performance Report regarding Reliability IndicesFormat for Quarterly(APR-15 to JUN-15) Returns to be submitted to the Commission by the Distribution Licensee

(i) System Average Interruption Duration Index (SAIDI)

(ii) System Average Interruption Frequency Index (SAIFI)

Page 13: B. E. S. & T. UNDERTAKING · Feeder Ri = Restoration Time for each interruption event on ith Feeder Nt = Total No. of consumers of the Distribution Licensee area Sum (Ri X Ni) for

April 2014 to March 2015 FY 2014-15

Sr. No. Month

Ni = No. of Consumers who experienced a

sustained interruption on

ith Feeder

Ri = Restoration Time for each

interruption event

on ith Feeder

Nt = Total No. of consumers of the

Distribution Licensee area

Sum (Ri X Ni) for all Feeders excluding agri.

FeedersSAIDI = (6) / (5)

1 2 3 4 5 6 7

1 Apr-14 310770 27.48 1020353 8538876 8.372 May-14 286623 24.18 1020353 6930738 6.793 Jun-14 286505 27.30 1020353 7822515 7.674 Jul-14 412110 31.63 1020353 13037081 12.785 Aug-14 357111 30.53 1020353 10902648 10.696 Sep-14 371924 21.35 1020353 7939544 7.787 Oct-14 260310 27.05 1020353 7041975 6.908 Nov-14 320237 28.69 1020353 9189128 9.019 Dec-14 305878 24.63 1020353 7533058 7.38

10 Jan-15 290302 25.80 1020353 7489839 7.3411 Feb-15 163680 21.91 1020353 3586113 3.5112 Mar-15 303966 40.04 1020353 12170294 11.93

102181808 100.15

Sr. No. Month

Ni = No. of Consumers who experienced a

sustained interruption on

ith Feeder

Sum of Consumers

of ith feeder which had experienced

interruptions = Sum Ni

Nt = Total No. of consumers of the

Distribution Licensee area

SAIFI = (4) / (5)

1 2 3 4 5 6

1 Apr-14 310770 310770 1020353 0.302 May-14 286623 286623 1020353 0.283 Jun-14 286505 286505 1020353 0.284 Jul-14 412110 412110 1020353 0.405 Aug-14 357111 357111 1020353 0.356 Sep-14 371924 371924 1020353 0.367 Oct-14 260310 260310 1020353 0.268 Nov-14 320237 320237 1020353 0.319 Dec-14 305878 305878 1020353 0.30

10 Jan-15 290302 290302 1020353 0.2811 Feb-15 163680 163680 1020353 0.1612 Mar-15 303966 303966 1020353 0.30

3.58

Sr. No. Month SAIDI SAIFI SAIDI / SAIFI1 2 3 4 5

1 Apr-14 8.37 0.3 27.902 May-14 6.79 0.28 24.253 Jun-14 7.67 0.28 27.394 Jul-14 12.78 0.4 31.955 Aug-14 10.69 0.35 30.546 Sep-14 7.78 0.36 21.617 Oct-14 6.9 0.26 26.548 Nov-14 9.01 0.31 29.069 Dec-14 7.38 0.3 24.60

10 Jan-15 7.34 0.28 26.2111 Feb-15 3.51 0.16 21.9412 Mar-15 11.93 0.30 39.77

100.15 3.58 27.97

Total

Total

(ii) System Average Interruption Frequency Index (SAIFI)

(iii) Consumer Average Interruption Duration Index (CAIDI)

Total

BEST UNDERTAKINGAnnexure - IV

Performance Report regarding Reliability IndicesFormat for Quarterly /Yearly (APR-14 to MAR-15) Returns to be submitted to the Commission by the Distribution Licensee

(i) System Average Interruption Duration Index (SAIDI)

Page 14: B. E. S. & T. UNDERTAKING · Feeder Ri = Restoration Time for each interruption event on ith Feeder Nt = Total No. of consumers of the Distribution Licensee area Sum (Ri X Ni) for

Annexure - IV

Performance Report regarding Reliability Indices

(1) System Average Interupption Duration Index (SAIDI)

Sr.No. Month Ni = Number of consumers who experienced a

sustained interruption on ith

feeder

Ri = Restoration time for each interruption event on ith

feeder

Nt = Total number of

consumers of the distribution

Licensees area

Sum(Ri*Ni) for all feeders

(excluding agri. Feeders)

SAIDI = (6)/(5)

(1) (2) (3) (4) (5) (6) (7)4 JAN 290302 25.80 1020353 7489839 7.345 FEB 163680 21.91 1020353 3586113 3.516 MAR 303966 40.04 1020353 12170294 11.93

Total 757948 29.25 1020353 23246246 22.78

(2) System Average Interupption Frequency Index (SAIFI)

Sr.No. Month Sum of consumers of ith

feeders which had experienced interruptions =

Sum Ni

Nt = Total number of

consumers of the

distribution Licensees

area

SAIFI = (4)/(5)

(1) (2) (4) (5) (6)4 JAN 290302 1020353 0.285 FEB 163680 1020353 0.166 MAR 303966 1020353 0.30

Total 757948 1020353 0.74

Brihanmumbai Electricity Supply & Transport (BEST) Undertaking (Quarter IV Report) -Q4

Ni = Number of consumers who experienced a sustained interruption

on ith feeder

(3)290302163680303966757948

(3) Consumer Average Interupption Duration Index (CAIDI)

Sr.No. Month SAIDI/SAIFI (1) (2) (5)4 JAN 26.215 FEB 21.946 MAR 39.77

Total 29.31

7.34 0.28

SAIDI SAIFI(3) (4)

3.51 0.1611.93 0.3022.78 0.74

Page 15: B. E. S. & T. UNDERTAKING · Feeder Ri = Restoration Time for each interruption event on ith Feeder Nt = Total No. of consumers of the Distribution Licensee area Sum (Ri X Ni) for
Page 16: B. E. S. & T. UNDERTAKING · Feeder Ri = Restoration Time for each interruption event on ith Feeder Nt = Total No. of consumers of the Distribution Licensee area Sum (Ri X Ni) for

Quarter 2 : July to Sept. 2014

Performance Report regarding Reliability Indices Brihanmumbai Electricity Supply & Transport (BEST) Undertaking (Quarterly Report)

(1) System Average Interruption Duration Index (SAIDI)

Month/Year

Ni =

Number of

consumers

who

experience

d a

sustained

interruption

on ith

feeder

Ri =

Restorati

on time

for each

interrupt

ion event

on ith

feeder

Nt = Total

number of

consumers

of the

distribution

Licensees

area

Sum(Ri*Ni)

for all

feeders

(excluding

agri.

Feeders)

SAIDI

July 2014 412110 31.63 1020353 13037081 12.78

August 2014 357111 30.53 1020353 10902648 10.69

September 2014 371924 21.35 1020353 7939544 7.78

Total 1141145 27.84 1020353 31879273 31.24

(2) System Average Interruption Frequency Index (SAIFI)

Month/Year

Ni = Number

of consumers

who

experienced a

sustained

interruption on

ith feeder

Sum of

consumers

of ith

feeders

which had

experience

d

interruption

s = Sum Ni

Nt = Total

number of

consumers of

the

distribution

Licensees

area

SAIFI

July 2014 412110 412110 1020353 0.40

August 2014 357111 357111 1020353 0.35

September 2014 371924 371924 1020353 0.36

Total 1141145 1141145 1020353 1.12

(3) Consumer Average Interruption Duration Index (CAIDI)

Month/Year SAIDI SAIFI SAIDI/SAIFI

July 2014 12.78 0.40 31.95

August 2014 10.69 0.35 30.54

September 2014 7.78 0.36 21.61

Total 31.24 1.12 28.03

Page 17: B. E. S. & T. UNDERTAKING · Feeder Ri = Restoration Time for each interruption event on ith Feeder Nt = Total No. of consumers of the Distribution Licensee area Sum (Ri X Ni) for

Quarter 1 : April to June 2014

Performance Report regarding Reliability Indices Brihanmumbai Electricity Supply & Transport (BEST) Undertaking (Quarterly Report)

(1) System Average Interruption Duration Index (SAIDI)

Month/Year

Ni =

Number of

consumers

who

experienced

a sustained

interruption

on ith feeder

Ri =

Restoration

time for

each

interruption

event on ith

feeder

Nt = Total

number of

consumers

of the

distribution

Licensees

area

Sum(Ri*Ni)

for all

feeders

(excluding

agri.

Feeders)

SAIDI

April 2014 310770 27.48 1020353 8538876 8.37

May 2014 286623 24.18 1020353 6930738 6.79

June 2014 286505 27.30 1020353 7822515 7.67

Total 883898 26.32 1020353 23292129 22.83

(2) System Average Interruption Frequency Index (SAIFI)

Month/Year

Ni =

Number of

consumers

who

experienced

a sustained

interruption

on ith feeder

Sum of

consumers

of ith feeders

which had

experienced

interruptions

= Sum Ni

Nt = Total

number of

consumers

of the

distribution

Licensees

area

SAIFI

April 2014 310770 310770 1020353 0.30

May 2014 286623 286623 1020353 0.28

June 2014 286505 286505 1020353 0.28

Total 883898 883898 1020353 0.87

(3) Consumer Average Interruption Duration Index (CAIDI)

Month/Year SAIDI SAIFI SAIDI/SAIFI

April 2014 8.37 0.30 27.90

May 2014 6.79 0.28 24.25

June 2014 7.67 0.28 27.39

Total 22.83 0.87 26.51

Page 18: B. E. S. & T. UNDERTAKING · Feeder Ri = Restoration Time for each interruption event on ith Feeder Nt = Total No. of consumers of the Distribution Licensee area Sum (Ri X Ni) for

Performance of Reliability level of BES&T Undertaking FY

2013-2014

Month/Year

SAIDI (System

Average

Interruption

Duration Index)

SAIFI (System

Average

Interruption

Frequency Index)

CAIDI (Customer

Average

Interruption

Duration Index)

April 2013 10.27 (min) 0.25 41.08 (min)

May 2013 12.65 (min) 0.28 45.18 (min)

June 2013 24.02 (min) 0.53 45.32 (min)

July 2013 21.11 (min) 0.44 47.98 (min)

August 2013 13.39 (min) 0.34 40.97 (min)

September 2013 12.78 (min) 0.28 45.64 (min)

October 2013 13.53 (min) 0.31 43.65 (min)

November 2013 8.98 (min) 0.22 40.82 (min)

December 2013 9.35 (min) 0.25 37.40 (min)

January 2014 9.94 (min) 0.32 31.06 (min)

February 2014 5.32 (min) 0.14 38.00 (min)

March 2014 9.77 (min) 0.28 34.89 (min)

YTD Fig. for FY-

2013-2014 151.11 (min) 3.64 41.51 (min)

Page 19: B. E. S. & T. UNDERTAKING · Feeder Ri = Restoration Time for each interruption event on ith Feeder Nt = Total No. of consumers of the Distribution Licensee area Sum (Ri X Ni) for

Performance of Reliability level of BES&T Undertaking FY

2012-2013

Month/Year

SAIDI (System

Average

Interruption

Duration Index)

SAIFI (System

Average

Interruption

Frequency Index)

CAIDI (Customer

Average

Interruption

Duration Index)

April 2012 13.27 (min) 0.40 33.18 (min)

May 2012 11.76 (min) 0.30 39.20 (min)

June 2012 13.07 (min) 0.36 36.30 (min)

July 2012 17.09 (min) 0.42 40.69 (min)

August 2012 11.64 (min) 0.29 40.14 (min) September 2012 10.73 (min) 0.30 35.77 (min) October 2012 11.88 (min) 0.29 40.97 (min) November 2012 7.91 (min) 0.23 34.39 (min) December 2012 9.09 (min) 0.22 41.32 (min) January 2013 7.25 (min) 0.23 31.52 (min) February 2013 9.05 (min) 0.23 39.35 (min) March 2013 8.72 (min) 0.23 37.91 (min) YTD Fig. for FY-

2012-2013 133.02 (min) 3.50 38.01 (min)

Page 20: B. E. S. & T. UNDERTAKING · Feeder Ri = Restoration Time for each interruption event on ith Feeder Nt = Total No. of consumers of the Distribution Licensee area Sum (Ri X Ni) for

Performance of Reliability level of BES&T Undertaking FY

2011-2012

Month/Year

SAIDI (System

Average

Interruption

Duration Index)

SAIFI (System

Average

Interruption

Frequency Index)

CAIDI (Customer

Average

Interruption

Duration Index)

April 2011 11.41 (min) 0.30 38.26 (min)

May 2011 10.61 (min) 0.36 29.48 (min)

June 2011 19.37 (min) 0.56 33.8 (min)

July 2011 16.40 (min) 0.46 35.39 (min)

August 2011 14.25 (min) 0.46 31.03 (min)

September 2011 13.65 (min) 0.37 36.49 (min)

October 2011 14.46 (min) 0.38 38.3 (min)

November 2011 8.49 (min) 0.24 35.37 (min)

December 2011 9.79 (min) 0.27 36.25 (min)

January 2012 9.62 (min) 0.29 33.17 (min)

February 2012 8.18 (min) 0.24 34.8 (min)

March 2012 12.35 (min) 0.4 30.87 (min)

YTD Fig. for FY-

2011-2012

148.58 (min) 4.33 34.31 (min)

Page 21: B. E. S. & T. UNDERTAKING · Feeder Ri = Restoration Time for each interruption event on ith Feeder Nt = Total No. of consumers of the Distribution Licensee area Sum (Ri X Ni) for

Performance of Reliability level of BES&T Undertaking FY

2010-2011

Month/Year

SAIDI (System

Average

Interruption

Duration Index)

SAIFI (System

Average

Interruption

Frequency Index)

CAIDI (Customer

Average

Interruption

Duration Index)

April 2010 16.54 (min) 0.48 34.19 (min)

May 2010 12.59 (min) 3.56 34.84 (min)

June 2010 19.75 (min) 0.51 38.78 (min)

July 2010 14.89 (min) 0.45 32.97 (min)

August 2010 11.08 (min) 0.36 30.36 (min)

September 2010 11.25 (min) 0.43 25.87 (min)

October 2010 10.41 (min) 0.43 30.59 (min)

November 2010 8.88 (min) 0.32 27.36 (min)

December 2010 8.56 (min) 0.28 30.93 (min)

January 2011 6.57 (min) 0.21 31.44 (min)

February 2011 5.75 (min) 0.20 29.16 (min)

March 2011 11.49 (min) 0.38 30 (min)

YTD Fig. for FY-

2010-2011

137.76 (min) 4.32 31.89 (min)

Page 22: B. E. S. & T. UNDERTAKING · Feeder Ri = Restoration Time for each interruption event on ith Feeder Nt = Total No. of consumers of the Distribution Licensee area Sum (Ri X Ni) for

Performance of Reliability level of BES&T Undertaking FY

2009-2010

SAIDI (System SAIFI (System CAIDI (Customer

Average Average Average

Month/Year Interruption Interruption Interruption

Duration Index) Frequency Index) Duration Index)

April 2009 23.67(min) 0.59 40.39(min)

May 2009 9.50(min) 0.36 26.58(min)

June 2009 10.24(min) 0.38 26.87(min)

July 2009 20.61(min) 0.63 32.96(min)

August 2009 11.04(min) 0.40 27.70(min)

September 2009 9.48(min) 0.30 31.15(min)

October 2009 8.79(min) 0.30 29.33(min)

November 2009 9.65(min) 0.32 30.40(min)

December 2009 8.17(min) 0.26 32.01(min)

January 2010 6.93(min) 0.24 29.25(min)

February 2010 8.61(min) 0.27 31.80(min)

March 2010 13.41(min) 0.33 40.55(min)

YTD Fig. for FY- 140.10(min) 4.38 31.99(min)

2009-2010

Page 23: B. E. S. & T. UNDERTAKING · Feeder Ri = Restoration Time for each interruption event on ith Feeder Nt = Total No. of consumers of the Distribution Licensee area Sum (Ri X Ni) for

Performance of Reliability level of BES&T Undertaking FY

2008-2009

SAIDI (System SAIFI (System CAIDI (Customer

Average Average Average

Month/Year Interruption Interruption Interruption

Duration Index) Frequency Index) Duration Index)

April 2008 12.82(min) 0.42 30.45(min)

May 2008 10.95(min) 0.36 30.10(min)

Jun 2008 21.36(min) 0.46 46.45(min)

July 2008 18.48(min) 0.42 44.45(min)

August 2008 15.44(min) 0.37 41.36(min)

September 2008 11.64(min) 0.26 45.59(min)

October 2008 14.56(min) 0.42 34.70(min)

November 2008 9.41(min) 0.23 41.74(min)

December 2008 8.52(min) 0.23 35.31(min)

January 2009 9.11(min) 0.27 33.85(min)

February 2009 6.91(min) 0.24 28.49(min)

March 2009 10.42(min) 0.36 29.25(min)

YTD Fig. for FY- 149.62(min) 4.05 36.94(min)

2008-2009

Page 24: B. E. S. & T. UNDERTAKING · Feeder Ri = Restoration Time for each interruption event on ith Feeder Nt = Total No. of consumers of the Distribution Licensee area Sum (Ri X Ni) for

Performance of Reliability level of BES&T Undertaking

FY 2007-2008

SAIDI (System SAIFI (System CAIDI (Customer

Average Average Average

Month/Year Interruption Interruption Interruption

Duration Index) Frequency Index) Duration Index)

April 2007 17.44(min) 0.43 40.40(min)

May 2007 14.44(min) 0.33 43.34(min)

June 2007 33.56(min) 0.39 56.84(min)

July 2007 19.20(min) 0.51 37.78(min)

August 2007 18.84(min) 0.52 36.40(min)

September 2007 17.74(min) 0.41 43.00(min)

October 2007 14.50(min) 0.35 41.05(min)

November 2007 13.07(min) 0.30 42.92(min)

December 2007 9.59(min) 0.26 36.54(min)

January 2008 10.79(min) 0.35 30.65(min)

February 2008 8.15(min) 0.26 31.55(min)

March 2008 12.80(min) 0.44 29.01(min)

YTD Fig. For FY- 190.12(min) 4.75 40.01(min)

2007-2008

Page 25: B. E. S. & T. UNDERTAKING · Feeder Ri = Restoration Time for each interruption event on ith Feeder Nt = Total No. of consumers of the Distribution Licensee area Sum (Ri X Ni) for

Performance of Reliability level of BES&T Undertaking FY

2006-2007

SAIDI (System SAIFI (System CAIDI (Customer

Average Average Average

Month/Year Interruption Interruption Interruption

Duration Index) Frequency Index) Duration Index)

April 2006 17.63(min.) 0.38 46.40(min.)

May 2006 13.85(min.) 0.35 38.55(min.)

June 2006 21.09(min.) 0.51 41.29(min.)

July 2006 27.50(min.) 0.62 44.17(min.)

August 2006 21.74(min.) 0.57 38.04(min.)

September 2006 17.40(min.) 0.45 38.54(min.)

October 2006 14.84(min.) 0.36 40.84(min.)

November 2006 13.68(min.) 0.31 43.64(min.)

December 2006 13.30(min.) 0.32 41.58(min.)

January 2007 11.51(min.) 0.29 39.48(min.)

February 2007 10.04(min.) 0.25 39.65(min.)

March 2007 14.66(min) 0.33 44.07(min)

YTD Fig. for FY- 197.20(min) 4.74 41.61(min)

2006-2007