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 4869883.00 5502841.00 60883595.00 11.06
5 Aug-20 5175671.00 5571726.00 64161686.00 11.52
6 Sep-20 5203407.00 5539355.00 64281395.00 11.60
  2nd Qtr 15248961.00 5539355.00 189326676.00 34.18
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! 54.61
  Yearly Data 28937238.00 5539355.00 302490823.00 54.61
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 2:33 4869883.00 12429750:50 5502841.00 4477116.91 19:31
5 Aug-20 2:44 5175671.00 14186264:30 5571726.00 4405789.20 18:58
6 Sep-20 2:12 5203407.00 11528764:31 5539355.00 4450331.54 19:16
  2nd Qtr 7:30 15248961.00 ################### 5539355.00 13333237.66 57:46
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! 91:42
  Yearly Data 13:49 28937238.00 ################### 5539355.00 21167874.18 91:42  
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 98295.00 5006127.00 492077253465.00 5502841.00 68339171.00 12.42
5 Aug-20 108803.00 5088409.00 553634164427.00 5571726.00 75270661.00 13.51
6 Sep-20 110724.00 5039647.00 558009874428.00 5539355.00 76575625.00 13.82
  2nd Qtr 317822.00 15134183.00 4809976309426.00 5539355.00 220185457.00 39.75
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! 66.61
  Yearly Data 542358.00 29686793.00 16100869677894.00 5539355.00 368994967.00 66.61