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-20 3896963.00 5511910.00 21341693.00 3.87
2 May-20 4772497.00 5515174.00 30012868.00 5.44
3 Jun-20 5018817.00 5543086.00 61809586.00 11.15
  1st Qtr 13688277.00 5543086.00 113164147.00 20.42
4 Jul-20 0.00 0.00 0.00 #DIV/0!
5 Aug-20 0.00 0.00 0.00 #DIV/0!
6 Sep-20 0.00 0.00 0.00 #DIV/0!
  2nd Qtr 0.00 0.00 0.00 #DIV/0!
7 Oct-20 0.00 0.00 0.00 #DIV/0!
8 Nov-20 0.00 0.00 0.00 #DIV/0!
9 Dec-20 0.00 0.00 0.00 #DIV/0!
  3rd Qtr 0.00 0.00 0.00 #DIV/0!
1 Jan-21 0.00 0.00 0.00 #DIV/0!
2 Feb-21 0.00 0.00 0.00 #DIV/0!
3 Mar-21 0.00 0.00 0.00 #DIV/0!
  4th Qtr 0.00 0.00 0.00 #DIV/0! 20.42
  Yearly Data 13688277.00 5543086.00 113164147.00 20.42
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-20 1:38 3896963.00 6388552:19 5511910.00 1099209.17 4:47
2 May-20 2:02 4772497.00 9726421:44 5515174.00 2110498.78 9:11
3 Jun-20 2:38 5018817.00 13222135:20 5543086.00 4624928.58 20:01
  1st Qtr 6:18 13688277.00 ################### 5543086.00 7834636.52 33:55
4 Jul-20 0:00 0.00 #DIV/0! 0.00 0.00 #DIV/0!
5 Aug-20 0:00 0.00 #DIV/0! 0.00 0.00 #DIV/0!
6 Sep-20 0:00 0.00 #DIV/0! 0.00 0.00 #DIV/0!
  2nd Qtr 0:00 0.00 0:00 0.00 0.00 #DIV/0!
7 Oct-20 0:00 0.00 #DIV/0! 0.00 0.00 #DIV/0!
8 Nov-20 0:00 0.00 #DIV/0! 0.00 0.00 #DIV/0!
9 Dec-20 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-21 0:00 0.00 #DIV/0! 0.00 0.00 #DIV/0!
2 Feb-21 0:00 0.00 #DIV/0! 0.00 0.00 #DIV/0!
3 Mar-21 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! 33:55
  Yearly Data 6:18 13688277.00 ################### 5543086.00 7834636.52 33:55  
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-20 56817.00 4833229.00 274609572093.00 5511910.00 38912874.00 7.06
2 May-20 64536.00 4737838.00 305761113168.00 5515174.00 40607560.00 7.36
3 Jun-20 103183.00 4981543.00 514010551369.00 5543086.00 69289076.00 12.50
  1st Qtr 224536.00 14552610.00 3267584838960.00 5543086.00 148809510.00 26.85
4 Jul-20 0.00 0.00 0.00 0.00 0.00 #DIV/0!
5 Aug-20 0.00 0.00 0.00 0.00 0.00 #DIV/0!
6 Sep-20 0.00 0.00 0.00 0.00 0.00 #DIV/0!
  2nd Qtr 0.00 0.00 0.00 0.00 0.00 #DIV/0!
7 Oct-20 0.00 0.00 0.00 0.00 0.00 #DIV/0!
8 Nov-20 0.00 0.00 0.00 0.00 0.00 #DIV/0!
9 Dec-20 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-21 0.00 0.00 0.00 0.00 0.00 #DIV/0!
2 Feb-21 0.00 0.00 0.00 0.00 0.00 #DIV/0!
3 Mar-21 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! 26.85
  Yearly Data 224536.00 14552610.00 3267584838960.00 5543086.00 148809510.00 26.85