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-18 4219565.00 5077283.00 23486879.00 4.63
2 May-18 4414207.00 5082138.00 26944913.00 5.30
3 Jun-18 4564638.00 5083356.00 39267889.00 7.72
  1st Qtr 13198410.00 5083356.00 89699681.00 17.65
4 Jul-18 0.00 0.00 0.00 #DIV/0!
5 Aug-18 0.00 0.00 0.00 #DIV/0!
6 Sep-18 0.00 0.00 0.00 #DIV/0!
  2nd Qtr 0.00 0.00 0.00 #DIV/0!
7 Oct-18 0.00 0.00 0.00 #DIV/0!
8 Nov-18 0.00 0.00 0.00 #DIV/0!
9 Dec-18 0.00 0.00 0.00 #DIV/0!
  3rd Qtr 0.00 0.00 0.00 #DIV/0!
1 Jan-19 0.00 0.00 0.00 #DIV/0!
2 Feb-19 0.00 0.00 0.00 #DIV/0!
3 Mar-19 0.00 0.00 0.00 #DIV/0!
  4th Qtr 0.00 0.00 0.00 #DIV/0! #DIV/0!
  Yearly Data 13198410.00 5083356.00 89699681.00 17.65
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-18 1:32 4219565.00 6520219:10 5077283.00 1506548.93 7:07
2 May-18 1:45 4414207.00 7752868:57 5082138.00 1885596.18 8:54
3 Jun-18 2:00 4564638.00 9135481:37 5083356.00 2850585.10 13:27
  1st Qtr 5:18 13198410.00 69990364:19 5083356.00 6242730.21 29:28
4 Jul-18 0:00 0.00 #DIV/0! 0.00 0.00 #DIV/0!
5 Aug-18 0:00 0.00 #DIV/0! 0.00 0.00 #DIV/0!
6 Sep-18 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-18 0:00 0.00 #DIV/0! 0.00 0.00 #DIV/0!
8 Nov-18 0:00 0.00 #DIV/0! 0.00 0.00 #DIV/0!
9 Dec-18 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-19 0:00 0.00 #DIV/0! 0.00 0.00 #DIV/0!
2 Feb-19 0:00 0.00 #DIV/0! 0.00 0.00 #DIV/0!
3 Mar-19 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! #DIV/0!
  Yearly Data 5:18 13198410.00 69990364:19 5083356.00 6242730.21 29:28  
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-18 49492.00 4356082.00 215591210344.00 5077283.00 35344916.00 6.96
2 May-18 51752.00 4419103.00 228697418456.00 5082138.00 36607076.00 7.20
3 Jun-18 73818.00 4549016.00 335799263088.00 5083356.00 52170742.00 10.26
  1st Qtr 175062.00 13324201.00 2332561275462.00 5083356.00 124122734.00 24.42
4 Jul-18 0.00 0.00 0.00 0.00 0.00 #DIV/0!
5 Aug-18 0.00 0.00 0.00 0.00 0.00 #DIV/0!
6 Sep-18 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-18 0.00 0.00 0.00 0.00 0.00 #DIV/0!
8 Nov-18 0.00 0.00 0.00 0.00 0.00 #DIV/0!
9 Dec-18 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-19 0.00 0.00 0.00 0.00 0.00 #DIV/0!
2 Feb-19 0.00 0.00 0.00 0.00 0.00 #DIV/0!
3 Mar-19 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! #DIV/0!
  Yearly Data 175062.00 13324201.00 2332561275462.00 5083356.00 124122734.00 24.42