SoP 011 - A : System Average Interrruption Frequency Index (SAIFI) for PGVCL as a whole
Sr.
No
Month Ni - Number of Customers for each sustained interruptions (in numbers) NT - Total No of customers served
(in Numbers)
CI= Ni SAIFI = ∑ Ni/Nt
(Monthly SAIFI)
1 2 3 4 5 6=5/4
1 Apr-22 4864714.00 5703562.00 33772742.00 5.92
2 May-22 5090284.00 5703973.00 41880556.00 7.34
3 Jun-22 5253167.00 5706664.00 59685340.00 10.46
  1st Qtr 15208165.00 5706664.00 135338638.00 23.72
4 Jul-22 5216461.00 5711446.00 67132316.00 11.75
5 Aug-22 4994154.00 5721147.00 53110019.00 9.28
6 Sep-22 5122401.00 5729357.00 55662930.00 9.72
  2nd Qtr 15333016.00 5729357.00 175905265.00 30.70
7 Oct-22 0.00 0.00 0.00 #DIV/0!
8 Nov-22 0.00 0.00 0.00 #DIV/0!
9 Dec-22 0.00 0.00 0.00 #DIV/0!
  3rd Qtr 0.00 0.00 0.00 #DIV/0!
1 Jan-23 0.00 0.00 0.00 #DIV/0!
2 Feb-23 0.00 0.00 0.00 #DIV/0!
3 Mar-23 0.00 0.00 0.00 #DIV/0!
  4th Qtr 0.00 0.00 0.00 #DIV/0! 54.32
  Yearly Data 30541181.00 5729357.00 311243903.00 54.32
SoP 011 - B : System Average Interrruption Duration Index (SAIDI) for PGVCL as a whole
Sr.
No
Month Ri =
Restoration Time for each sustained interruption event
(in hours)
Ni - Number of interrupted Customers for each sustained interruption event
(in numbers)
Ri* Ni -
Total customer interrution Duration
NT - Total No of customers served
(in Numbers)
Customer Intt. Duration CMI = ΣRi*Ni SAIDI = ΣRi*Ni/Nt (Monthly SAIDI)
1 2 3 4 5 = 3 * 4 6 7 8=7/6
1 Apr-22 1:52 4864714.00 9123061:39 5703562.00 2114696.59 8:53
2 May-22 2:35 5090284.00 13208894:49 5703973.00 3624197.82 15:14
3 Jun-22 2:33 5253167.00 13480463:51 5706664.00 4525412.91 19:01
  1st Qtr 7:02 15208165.00 ########################################## 5706664.00 10264307.32 43:10
4 Jul-22 2:42 5216461.00 14161227:41 5711446.00 4957598.81 20:49
5 Aug-22 2:16 4994154.00 11336402:46 5721147.00 3441088.54 14:26
6 Sep-22 2:05 5122401.00 10715990:30 5729357.00 3498238.51 14:39
  2nd Qtr 7:04 15333016.00 ########################################## 5729357.00 11896925.86 49:50
7 Oct-22 0:00 0.00 #DIV/0! 0.00 0.00 #DIV/0!
8 Nov-22 0:00 0.00 #DIV/0! 0.00 0.00 #DIV/0!
9 Dec-22 0:00 0.00 #DIV/0! 0.00 0.00 #DIV/0!
  3rd Qtr 0:00 0.00 0:00 0.00 0.00 #DIV/0!
1 Jan-23 0:00 0.00 #DIV/0! 0.00 0.00 #DIV/0!
2 Feb-23 0:00 0.00 #DIV/0! 0.00 0.00 #DIV/0!
3 Mar-23 0:00 0.00 #DIV/0! 0.00 0.00 #DIV/0!
  4th Qtr 0:00 0.00 0:00 0.00 0.00 #DIV/0! 92:49
  Yearly Data 14:06 30541181.00 ########################################## 5729357.00 22161233.18 92:49  
SoP 011 - C : Momentary Average Interruption Frequency Index (MAIFI) for PGVCL as a whole
Sr.
No
Month IMi =
Number of Momentary interruptions for the month
(in numbers)
Nmi =
Total no of customers for each momentary interruptions
(in numbers)
Imi =Nmi
Number of customer Momentary interruptions
(in numbers)
Nt -
Total no of customers served
(in numbers)
Customer Intt. ΣImi*Nmi MAIFI=ΣImi*Nmi/Nt
1 2 3 4 5 = 3 * 4 6 7 8=7/6
1 Apr-22 60440.00 4895724.00 295897558560.00 5703562.00 40128459.00 7.04
2 May-22 69711.00 4902116.00 341731408476.00 5703973.00 44569507.00 7.81
3 Jun-22 86762.00 5057608.00 438808185296.00 5706664.00 56359681.00 9.88
  1st Qtr 216913.00 14855448.00 3222339792024.00 5706664.00 141057647.00 24.72
4 Jul-22 93386.00 5077884.00 474203275224.00 5711446.00 60974732.00 10.68
5 Aug-22 82443.00 4920614.00 405670180002.00 5721147.00 52398608.00 9.16
6 Sep-22 79398.00 5074062.00 402870374676.00 5729357.00 52572586.00 9.18
  2nd Qtr 255227.00 15072560.00 3846924271120.00 5729357.00 165945926.00 28.96
7 Oct-22 0.00 0.00 0.00 0.00 0.00 #DIV/0!
8 Nov-22 0.00 0.00 0.00 0.00 0.00 #DIV/0!
9 Dec-22 0.00 0.00 0.00 0.00 0.00 #DIV/0!
  3rd Qtr 0.00 0.00 0.00 0.00 0.00 #DIV/0!
1 Jan-23 0.00 0.00 0.00 0.00 0.00 #DIV/0!
2 Feb-23 0.00 0.00 0.00 0.00 0.00 #DIV/0!
3 Mar-23 0.00 0.00 0.00 0.00 0.00 #DIV/0!
  4th Qtr 0.00 0.00 0.00 0.00 0.00 #DIV/0! 53.58
  Yearly Data 472140.00 29928008.00 14130209697120.00 5729357.00 307003573.00 53.58