power plant

1. 1
STPP
PERFORMANCE REVIEW
FY 2022-2023

2. 2
Central Board of Irrigation & Power (CBIP) had
awarded as Best Performing Thermal Power Station in
State Sector by Hon'ble Cabinet Minister for Power
&NRE , SHRI. R.K.Singh at New Delhi on 03-03-2023.
STPP have been ranked 1st position in PLF among
the State power sector in India FY 2022-23.
 STPP have been ranked 7th position in PLF ranking
among best 25 power stations of the country
FY 2022-23 (up to Jan’23).
 More than 90% station PLF is maintained for
consecutive for 06 months.
 More than 95% station availability is maintained for
consecutive 06 months.

4. 4
UNIT#1
 Unit achieved 100.03 % PLF.
 Unit availability is 100%.
 Specific oil consumption is Nil.

5. Monthly Performance Data
March’22 Vs. March’23
5
S.No Description UOM Target
Actual
Station
March-22
Station
March-23
Station
Diff
1 Gross Generation MU 874.94 893.54 882.98 -10.56
2 PLF % 98.00 100.08 98.90 -1.18
3 Availability (DC) % 98.00 100.00 99.56 -0.44
4
Auxiliary Power
Consumption
% 5.75 5.83 5.89 0.06
5
Forced Outage % 2.00 0.07 0.44 0.37
Reserve shutdown % 0.00 0 0 0
6 Planned Outage % 0.00 0 0 0
7 Oil Consumption
kl 437.47 0 40.60 40.46
ml/kWh 0.50 0 0.05 0.05

6. Performance Data FY 2022-23
6
S.
No
Description UOM Unit-1 Unit-2 Station till
31.03.23
Station till
31.03.22
1 Gross Generation MU 4854 4450 9304 9353
2 PLF % 92.34 84.67 88.51 88.97
3 Availability(DC) % 92.46 87.09 89.77 93.16
4
Auxiliary Power
Consumption
% 6.18 5.92 6.05 5.83
5
Forced Outage % 7.54 12.90 10.22 3.26
Reserve shutdown % 0 0 0 0
6 Planned Outage % 0 0 0 3.61
7 Oil Consumption
kl 1053 701 1754 1226
ml/kWh 0.22 0.16 0.19 0.13
*During FY 2022-23 SLDC backing down is 158.33 MU (1.51%)

7. Projected Vs Actual
Quarterly data (FY 2022-23)
7
2568 2597 2597 2540
2309 2430 2483
2085
0
500
1000
1500
2000
2500
3000
1st Quarter 2nd Quarter 3rd Quarter 4th Quarter
Generation (MU)
Projection Actual

8. Projected Vs Actual
Quarterly data (FY 2022-23)
8
98.00 98.00 98.00 98.00
88.09 91.72
93.72
80.43
50.00
60.00
70.00
80.00
90.00
100.00
1st Quarter 2nd Quarter 3rd Quarter 4th Quarter
PLF (%)
Projection Actual

9. Projected Vs Actual
Quarterly data (FY 2022-23)
9
98.00 98.00 98.00 98.00
88.21
93.66 96.19
80.83
50.00
60.00
70.00
80.00
90.00
100.00
1st Quarter 2nd Quarter 3rd Quarter 4th Quarter
Availability (%)
Projection Actual

10. Projected Vs Actual
Quarterly data (FY 2022-23)
10
0.50 0.50 0.50 0.50
0.19 0.18
0.09
0.32
0.00
0.10
0.20
0.30
0.40
0.50
0.60
1st Quarter 2nd Quarter 3rd Quarter 4th Quarter
SOC (ml/kWh)
Projection Actual

11. Projected Vs Actual
Quarterly data (FY 2022-23)
11
3.00 3.00 3.00 3.00
2.96
2.72 2.74
2.82
2.00
2.20
2.40
2.60
2.80
3.00
3.20
3.40
1st Quarter 2nd Quarter 3rd Quarter 4th Quarter
Sp. Raw water consumption(m3/MW))
Projection Actual

12. 12
Unit Outage details
March’2023
Unit
No.
Outage Synchronisation Outa
ge
durat
ion
hrs:
min
Gen
Loss
(MU)
Reason of Tripping
Responsibil
ity
Date
Time
(hrs:mi
n)
Date
Time
(hrs:min)
2
19.03.2
023
00:17
19.03.20
23
2:54
2:37:
00
2.14
Unit-2 tripped due to GT
2Y sudden pressure
relay cable damaged.
EMD

13. Area wise Outage details
(FY 2022-23 Vs FY 2021-22)
13
AREA WISE OUTAGE SUMMARY
AREA
FY 2022-23 FY 2021-22
NOS HOURS MU % % HOURS
BMD /BTL 22 1099.72 683.42 6.50 3.05 504.48
Electrical 3 613.72 370.91 3.53 0.04 6.58
C & I 3 4.27 3.71 0.04 0 0
TMD 1 7.32 5.32 0.05 0 0
AHP 0 0.00 0.00 0.00 0 0
Operation 0 0.00 0.00 0.00 0 0
Reserve S/D 0 0.00 0.00 0.00 0 0
Miscellaneous 0 0.00 0.00 0.00 0.02 1.63
Forced outage 29 1725.0 1063.4 10.12 3.11 511.1
Planned* 0 0.00 0.00 0.00 3.61 623.83
Total Outage 29 1725.02 1063.37 10.12 6.72 1134.90

14. Unit Outage details
FY 2022-23 Vs FY 2021-22
14
UNIT WISE OUTAGE SUMMARY
AREA
Unit-I Unit-II
FY 2022-23 FY 2021-22 FY 2022-23 FY 2021-22
NOS HOURS MU % % HOURS NOS HOURS MU % % HOURS
BMD (BTL) 15 620.15 388.21 7.39 3.43 285.22 7 479.57 295.21 5.62 2.67 219.27
Electrical 0 0.00 0.00 0.00 0.01 1.70 3 613.72 370.91 7.06 0.08 4.88
C & I 1 1.43 1.34 0.03 0 0 2 2.83 2.37 0.04 0 0
TMD 0 0.00 0.00 0.00 0 0 1 7.32 5.32 0.10 0 0
AHP 0 0.00 0.00 0.00 0 0 0 0 0 0 0 0
Operation 0 0.00 0.00 0.00 0 0 0 0 0 0 0 0
Reserve
S/D
0 0.00 0.00 0.00 0 0 0 0 0 0 0 0
Miscellaneou
s
0 0.00 0.00 0.00 0 0 0 0 0 0 0.03 1.63
Forced
outage
16 621.58 389.6 7.41 3.44 286.9 13 1103.4 673.81 12.82 2.78 225.8
Planned* 0 0.00 0.00 0.00 0 0 0 0 0 0 7.21 623.83
Total Outage 16 621.58 389.55 7.41 3.44 286.92 13 1103.43 673.81 12.82 9.99 849.6

15. Fuel Management
Mrach’2023
15
S.No Description UOM Actual
1 Coal opening Stock LMT 1.98
2 Coal received LMT 4.62
3 Coal consumption LMT 5.19
4 Total Coal Stock LMT 1.37
5 Specific coal consumption gm/kWh 589
6 CHP belt utilization factor % 71
7
Coal Stock for Nos. Of
days
Nos. 14

16. 16
Month
Coal
consumption
Fly ash Bottom ash Total % of
Utilizatio
n
Generation
Utilizatio
n
Generatio
n
Utilizatio
n
Generatio
n
Utilizatio
n
Apr-22 4,70,756 117866 117831 60667 60730 178533 178561 100.02
May-22 3,82,584 95120 95051 52823 52818 147943 147869 99.95
Jun-22 4,16,033 108267 108167 44631 44732 152898 152899 100.00
Jul-22 4,79,933 117728 117708 55373 55750 173101 173458 100.21
Aug-22 4,36,821 129808 130343 64044 66250 193852 196593 101.41
Sep-22 4,84,338 117056 114539 71331 71150 188387 185689 98.57
Oct-22 4,70,081 119872 107711 59041 70508 178913 178219 99.61
Nov-22 4,91,471 120552 110591 83289 83354 203841 193945 95.15
Dec-22 4,88,163 112869 112819 65810 65929 178679 178748 100.04
Jan-23 4,95,111 115884 105159 75234 75579 191119 180738 94.57
Feb-23 2,06,407 54374 88250 30622 33110 84996 121360 142.78
Mar-23 5,19,914 138169 122904 60062 59868 198231 182772 92.20
Total 53,41,612 1347565 1331072 722928 739777 2070493 2070850 100.02
ASH Management FY 2022-23

17. Water Management
Mrach’2023
17
S.No Description UOM Actual
1
Total raw water
drawn
Lm3
23.35
2 Reservoir capacity Lm3
25
3 Reservoir level m 151.2
4
Specific raw water
consumption
M3
/MW 2.65

18. Safety
Safety Statistics for the month of March-2023
Number of recorded incidents : Safe/ Nil
Lost Time due to Injury : 00
Near Miss :00
Fire calls : Safe/Nil
Target – Zero accident
Measures : 03 Days Training for Each Employee
18

19. 19
Status of Civil works at
STPP as on 29.03.2023

20. Overhead Electrification to STPP siding:
 An amount of Rs. 23.825 Crores deposited with SCR and MoU
concluded on 27.10.2021. Work awarded on 17.02.2022.
Status:
S.
N
o
Description Chaina
ge
(Km)
Approx
. Track
KM
Status PDC
1 Phase-I,
SRP CHP
yard
4 to 6 6.50 Completed.
2 Phase-II,
upto OC
yard
6 to 14 14.50 Completed.
3 Phase-III,
upto STPP
14 to
25
16.00 Masts foundation
completed for
467/484.
Masts erection
completed for
91/415.
31.05.2023

21. S&T to STPP siding:
 Note approved to take up Signalling &
Telecommunications to STPP siding (from
Mancherial to STPP including LTC siding at SRP
CHP) at an estimated cost of Rs.44 Crores.
(Cont. to Note No. STPP/CVL/A/255/156/151
Dt.21.11.2022)
 PMC work, at (+) 6.25% on execution cost of S&T
works, awarded to M/s RITES Ltd. on Dt.
25.03.2023.
 Time period: 2 Years

22. 22
OHE at SRP-OCP yard

23. 23
OHE work (in bt. SRP OCP to STPP),
Masts erection completed

24. 24
OHE work (in bt. SRP OCP to STPP),
Masts erection completed

25. 25
OHE work (in STPP Yard)
Masts erection in progress

26. Modification of power line crossings along the STPP
railway siding between SRP CHP and STPP.
 Work awarded to M/s Madhu Electricals on
08.09.2022.
 Value of the work: Rs.91.00 Lakhs.
 Due date of completion: 07.11.2022 (Two months),
 EOT granted upto: 07.12.2022 (One month).
 Work completed except connections which will be
done on getting clearance from NPDCL.
 Line clearance (LC) is being pursued with NPDCL.
26

27. Unit-1 Chimney Shell concreting
completed (143.5 meters)
Unit-2 Chimney 113.5/ 143.5
meters height shell concreting
completed

28. Gypsum storage shed
foundation work under progress
Booster fan-1 & 2
foundation work completed

29. Recirculation pumps
foundation of Unit-1 works
under progress
Chimney flue cans
fabrication work under
progress

30.  Engineering works
1. Critical drawings of limestone silo, gypsum storage shed,
ECR-1 building and ball mill building are submitted, which
are committed for submission in March-23.
2. Remaining critical drawings of gypsum dewatering building,
ECR-2, ball mill and BRU are planned for submission by 10-
04-2023.
 Bought out items(BOI’s) ordering:
1. Ordering of Critical BOI’s like Mist eliminator, gypsum
dewatering system, process and slurry pumps and absorber
cladded plate material are completed, which are committed
for ordering in March-23.
2. Remaining critical BOI’s like piping, spray header,
transformer & absorber agitator are planned for ordering by
10-04-2023.

31. 31
 Civil works:
 Chimney-1 shell concerting: 100% completed.
 Chimney-2 shell concreting: 88 % completed.
 Booster fan-1, 2 & 3 foundation: 100 %
completed.
 Common system tanks foundation : 100%
completed.
 Flue gas ducting foundation for Unit-1 & 2:
100 % completed
 Civil works are under progress for booster fan-
4, unit-1 & 2 fan handling system, limestone
conveyor, gypsum storage shed, ECR-1
building and ball mill building.

32.  Structural works :
1. Bi plane damper support structure and unit-1 chimney
platforms
fabrication completed and supplied to site.
2. Chimney flue can fabrication at STPP, flue gas duct and
unit-2 chimney platforms fabrication at M/s PES
workshop is under progress.
 Capital Expenditure:
1. Total project cost(Including taxes) : Rs. 696.50 Crores
2. Capital expenditure for FY 2022-23 : Rs. 164.74 Crores
3. Expected Capital expenditure
for FY 2023-24 : Rs. 300 Crores

33. 33
 Government of Telangana accorded permission for
expansion of 2x600 MW STPP by adding additional 3rd
Unit (Stage-II) 1X800 MW Super critical Unit.
 MoEF &CC awarded EC clearance for the expansion of
additional unit.
 NOC obtained from Airports Authority of India for
Construction of Chimney.
 1x800 MW 3RD Unit (Stag-II) NIT floated on 19-11-2022 .
bid opened on 02-03-2023.
 M/s BHEL should L1, Price negotiations TCR is under
circulation.
Expansion of the Project (1x800MW) Stage-2

34. Power dues as on 31.03.2023 (Rs in cr)
Power bills submitted 23,915.37
LPS amount upto
28.02.2023
6,097.84
Total bills including LPS 30,013.21
Payment received 11,852.77
Total dues as on date 18,160.44
LPS amount upto
28.02.2023
6,097.84
Dues towards power
bills
12,062.61
Bills submitted and due 11,373.54
Bills submitted but not
due
689.07

35. February-2022
Provisional
March-2023
(Provisional)
Upto March-2023
(provisional)
For March-2022
(Provisional)
Upto March-2022
(provisional)
Gross Generation (MU) 357.19 882.98 9303.96 893.54 9352.93
Auxiliary Consumption
(MU)
21.26 48.13 562.01 34.55 545.37
Net Generation (MU) 335.93 834.85 8741.96 858.99 8807.57
DESCRIPTION
Rs.
Crores
Rs./
Unit
Rs. Crores Rs./ Unit Rs. Crores Rs./ Unit Rs. Crores Rs./ Unit Rs. Crores Rs./ Unit
Salaries, Wages & Provision 2.90 0.09 2.90 0.03 35.43 0.04 2.85 0.03 43.85 0.05
COAL 118.30 3.52 301.60 3.61 2923.80 3.34 214.75 2.50 2,373.19 2.69
LDO & HFO 2.43 0.07 1.75 0.02 11.67 0.01 0.08 0.00 5.30 0.01
STORES 4.05 0.12 3.19 0.04 52.03 0.06 3.99 0.05 42.33 0.05
OVERHAULING COST 8.03 0.24 - - 8.03 - - 19.66 0.02
CISF 2.81 0.08 2.81 0.03 33.89 0.04 2.50 0.03 35.30 0.04
POWER BILLS 0.35 0.01 0.35 0.00 5.23 0.01 0.35 0.00 3.16 0.00
INSURANCE 0.93 0.03 0.93 0.01 12.81 0.01 1.18 0.01 13.32 0.02
O&M CHARGES 7.19 0.21 7.19 0.09 95.24 0.11 6.75 0.08 89.78 0.10
BILLS (OTHERS) 2.95 0.09 4.57 0.05 33.59 0.04 3.64 0.04 34.37 0.04
DEPRECIATION 35.92 1.07 35.92 0.43 428.71 0.49 35.97 0.42 425.75 0.48
INTEREST 20.09 0.60 20.48 0.25 231.29 0.26 20.41 0.24 240.70 0.27
GENERATION COST 205.95 6.13 381.69 4.57 3,871.72 4.43 292.47 3.40 3,326.69 3.78
SALES 237.97 7.08 422.82 5.06 4318.41 4.94 337.26 3.93 3,814.07 4.33
OTHER INCOME 0.45 0.01 0.49 0.01 8.76 0.01 0.90 0.01 7.21 0.01
INCENTIVE ON SALES - - 16.03 0.19 16.03 0.02 - - 19.31 0.02
PROVISIONS NO LONGER
REQUIRED(Credit)
16.49 0.02
PROFIT/LOSS (PBT) 32.47 0.97 57.65 0.69 471.48 0.54 45.69 0.53 530.38 0.60

36. Thank You Sir
36