CP-202500248, (Cpnpp), Transmittal of Licensed Operator Examination Materials
| ML25254A128 | |
| Person / Time | |
|---|---|
| Site: | Comanche Peak  |
| Issue date: | 08/14/2025 |
| From: | Christopher Jackson Vistra Operations Company |
| To: | NRC/RGN-IV/DORS/OB |
| References | |
| CP-202500248, TXX-25045 | |
| Download: ML25254A128 (1) | |
Text
Comanche Peak Nuclear Power Plant Christopher J. Jackson Nuclear Site Vice President P.O. Box 1002 6322 North FM 56 Glen Rose, TX 76043 Office: 254.897.6113 CP-202500248 TXX-25045 August 14, 2025 U. S. Nuclear Regulatory Commission Ref 10 CFR 55.5(b)(2)
Regional Administrator, Region IV 10 CFR 55.40(a) 1600 East Lamar Boulevard Arlington, TX 76011-4511 ATTN: Mr. David You
Subject:
Comanche Peak Nuclear Power Plant (CPNPP)
Docket Nos. 50-445 and 50-446 Transmittal of Licensed Operator Examination Materials
Reference:
NUREG-1021, Revision 12, OL Examination Standards for Power Reactors
Dear Mr. You:
Enclosed please find the attached 2025 Licensed Operator Post Examination Package, written, per NUREG-1021 Rev 12 ES-4.4-B.7 for the initial operator licensing written examinations administered on August 1, 2025, at Comanche Peak Nuclear Power Plant (CPNPP) for LC31. These examinations were graded and are submitted based on guidance in the Reference, with concurrence of training supervision. CPNPP requests that the written examinations and operating tests be withheld from public disclosure for the allowed two-year period.
This communication contains no new licensing basis commitments regarding Comanche Peak Units 1 and 2.
If there are any questions concerning this submittal, contact Mr. Jason Smith at (254) 897-6259 or at Jason.Smith@vistracorp.com.
TXX-25045 Page 2 of 2 Sincerely, Christopher J. Jackson
Enclosure:
2025 Licensed Operator Post Examination Package, Written cc:
NRC Regional Administrator, Region IV NRC Chief Operations Branch NRC Project Manager, CPNPP NRC Senior Resident Inspector, CPNPP
LC 31 NRC WRITTEN EXAM ANALYSIS RO RO RO RO RO RO RO RO RO RO SRO SRO SRO SRO SRO SRO SRO SRO SRO SRO SRO SRO PASS 1
2 3
4 5
6 7
8 9
10 1
2 3
4 5
6 7
8 9
10 11 12 RATE LC 31 NRC Quest ANS RO 1
B B
B B
B B
B B
B B
B B
B C
B B
B B
B B
B B
B 95%
ANS 2
D D
D D
D D
D D
D D
D B
D D
D D
D D
D D
D B
B 86%
3 A
B B
B B
A A
B B
A B
B B
B A
B B
A B
B C
B B
23%
4 D
D D
D D
D D
D D
D D
D D
D D
D D
D D
D D
D D
100%
5 C
C C
C C
C C
C C
C C
C C
C C
C C
C C
C C
C C
100%
6 A
A A
B A
A A
B A
A A
D A
A D
A A
A A
A A
A A
82%
7 C
C C
C C
C C
C D
C C
C A
C C
C C
C C
C C
C C
91%
8 B
A B
B B
B B
B B
B B
B A
B B
B B
B B
B B
B B
91%
9 B
B B
D B
B D
D B
B B
B B
B B
B B
B B
A B
B B
82%
10 A
A A
A A
A A
A C
A A
A A
A A
A A
C A
A A
A A
91%
11 C
C C
C C
C C
C C
C C
C C
C C
C C
C C
C C
C C
100%
12 C
C C
C C
C C
C C
C C
C C
C C
C C
C C
C C
C C
100%
13 D
B D
D D
D D
D D
D D
B B
B B
B B
D D
B D
D B
59%
14 B
B B
B B
B B
B B
B B
B B
B B
B B
B B
B B
B B
100%
15 D
D D
D D
C D
D D
D D
D C
D D
C D
D C
D C
D C
73%
16 A
A A
A A
A A
A A
A A
A A
A A
A A
A A
A A
A A
100%
17 D
B D
D D
D D
D D
D D
D D
D D
D D
D D
D D
D D
95%
18 C
A C
C C
C A
C A
C C
C D
C D
C D
A C
C C
A D
59%
19 A
A A
A A
B A
A A
A A
A A
A A
A A
A A
A A
A A
95%
20 A
A A
A A
A A
A A
A A
A A
A A
A A
A A
A A
A A
100%
21 D
D C
C D
D D
C D
D D
D D
C C
D C
D D
D D
D C
68%
22 D
D D
D D
D D
D D
D D
D D
D D
D D
D D
B D
D D
95%
23 B
B B
B B
B B
B B
B B
B B
B B
B B
B B
B B
B B
100%
24 C
C C
C C
C C
C C
C C
C C
C C
C C
C C
C C
C C
100%
25 D
D D
D D
D D
D D
D D
B D
D D
D B
D B
D D
D D
86%
26 A
A A
A A
A A
A A
A A
A A
A A
A A
A A
A A
A A
100%
27 C
C C
C C
C C
C C
C C
C C
C C
C C
C C
C C
C C
100%
28 B
B B
B B
B B
B B
A B
B B
B B
B B
B B
B B
B B
95%
29 D
D D
C D
D D
C D
D D
D D
C D
D D
D D
D D
D D
86%
30 C
C C
C C
C C
C C
C C
C C
C C
C C
C C
C C
C C
100%
31 B
B B
B B
B B
B B
B B
B B
B B
B B
B B
B B
B B
100%
32 A
A A
A A
A A
A A
A A
A D
A A
A A
A A
A A
C A
91%
33 D
D D
D D
D B
D D
D B
B D
B D
D D
D D
B D
D B
73%
LC 31 NRC WRITTEN EXAM ANALYSIS RO RO RO RO RO RO RO RO RO RO SRO SRO SRO SRO SRO SRO SRO SRO SRO SRO SRO SRO PASS 1
2 3
4 5
6 7
8 9
10 1
2 3
4 5
6 7
8 9
10 11 12 RATE 34 C
A A
A A
A C
A C
C D
A C
C A
C C
A C
C C
C A
50%
35 C
C C
C C
C C
C C
C C
C C
C C
C C
C C
C C
C C
100%
36 A
A A
C A
A A
C C
A A
A A
A A
A A
A A
A A
B A
82%
37 C
C C
C C
C C
C C
C C
C C
C C
C B
C C
C C
C C
95%
38 A
A A
A B
A B
A A
A A
A A
A A
A A
A A
A A
A A
91%
39 B
B B
B B
B B
B B
B B
B B
B B
B B
B B
B B
B B
100%
40 C
C C
A C
C C
A C
C C
C C
C C
C C
C C
C C
C C
91%
41 B
B B
D D
B B
D B
B B
D D
B B
D B
B D
B D
B B
64%
42 A
A A
A A
A A
A C
A A
A B
D A
A A
A C
A A
A C
77%
43 D
D D
D D
D D
D D
D D
D D
D D
D D
D D
D D
D D
100%
44 B
B B
B B
B B
B B
B B
B B
B B
B B
B B
B B
B B
100%
45 B
B D
A B
A B
A A
B A
B A
A B
B B
A B
B B
B B
59%
46 C
C C
D A
D C
D D
C C
D C
D C
C D
D D
C C
C D
50%
47 D
D D
D D
D D
D D
D D
A D
A D
B D
D D
D D
D D
86%
48 A
A A
C C
A C
A A
A A
A A
A A
D A
C C
A A
A A
73%
49 A
A A
A A
A A
B A
A A
B A
A A
A B
A B
A A
A A
82%
50 C
C C
C C
C C
C C
C C
C C
C C
C C
C C
C C
C C
100%
51 B
B B
B B
B B
B B
B B
B B
B B
B B
B B
B B
B B
100%
52 D
C D
D C
D D
C D
C D
D C
D B
B D
D D
D D
D D
68%
53 A
A A
A A
A A
A A
A A
A A
A A
A A
A A
A A
A A
100%
54 D
D D
D D
D D
B D
D D
D D
D B
D B
D D
D D
D D
86%
55 C
D C
C C
C C
C C
B C
B C
C C
C C
C C
C C
C C
86%
56 B
B B
B B
B B
B B
B B
B B
B B
B B
B B
B B
B B
100%
57 A
A A
A A
A A
A A
A A
A A
A A
A A
A A
A A
A A
100%
58 B
B B
B B
B B
B B
B B
B B
B B
B B
B A
B B
A B
91%
59 C
C C
C C
C C
C C
C C
C C
C C
C C
C C
C C
C C
100%
60 D
D D
D D
D D
D D
D C
C C
D C
D D
D D
D D
D D
82%
61 D
D D
D D
D B
D D
D D
D D
C D
D D
D D
D D
C D
86%
62 D
D D
D D
C D
D C
D D
D D
D D
D D
D D
D D
D D
91%
63 C
C C
A A
C C
C C
C C
C C
C C
C A
B C
C C
C C
82%
64 B
B B
B B
B B
B B
B A
B B
B B
B B
B B
B A
B B
91%
65 A
A A
A A
A A
C A
A A
A A
A C
A A
A A
C A
A A
86%
66 D
A D
D D
D D
D D
D A
D D
D D
A A
D D
D D
D D
82%
67 B
B B
B D
B D
D A
D D
B B
B A
B B
B C
D D
D C
45%
68 B
B B
B B
B B
B D
B B
B B
B B
B B
B B
B B
B B
95%
69 A
A A
A A
A A
A A
A A
A A
A A
A A
A A
A A
A A
100%
LC 31 NRC WRITTEN EXAM ANALYSIS RO RO RO RO RO RO RO RO RO RO SRO SRO SRO SRO SRO SRO SRO SRO SRO SRO SRO SRO PASS 1
2 3
4 5
6 7
8 9
10 1
2 3
4 5
6 7
8 9
10 11 12 RATE 70 D
D D
C D
D D
C D
D B
D A
B C
D D
D D
D D
C D
68%
71 A
A A
A A
A B
A A
A D
A A
D B
A A
A A
A A
A B
77%
72 C
C C
C C
C C
C C
C C
C C
C C
C C
C D
C C
C C
95%
73 B
A B
B C
B B
B B
B A
C B
C A
B A
B B
B D
B B
64%
74 A
A A
A A
A D
A A
D A
A A
C A
A A
A A
A A
A A
86%
75 D
D D
D C
D D
D C
D D
D D
D D
D D
D B
D D
D D
86%
SRO 76 B
B B
D B
B B
B B
B B
B B
92%
77 B
B B
A B
B B
B B
B B
B B
92%
78 C
C D
C C
C C
C C
D C
C D
75%
79 C
C C
C C
C C
C C
C C
C C
100%
80 A
A A
A C
A A
A A
A A
A A
92%
81 D
D D
D D
D D
D D
D D
D D
100%
82 D
C D
D C
C D
D D
C D
D D
67%
83 A
A A
A A
A A
A A
A A
A A
100%
84 B
D B
B B
D D
B B
B B
D B
67%
85 B
C B
C B
B C
B B
B C
B B
67%
86 D
D C
C D
D C
D C
D D
D D
67%
87 A
A C
A A
B C
A A
A A
A A
75%
88 C
B C
B C
C B
C C
C C
C C
75%
89 D
D D
C D
D D
D D
D D
D D
92%
90 C
C C
C C
C C
C C
C C
C C
100%
91 C
C C
C C
C C
C A
C C
C D
83%
92 A
A A
A A
A A
A A
A A
A B
92%
93 A
A B
A C
A B
A A
A A
A A
75%
94 C
C C
C D
C D
C C
C C
B C
75%
95 B
B B
B B
B B
B B
B B
B B
100%
96 D
D D
D D
D D
D D
D D
D D
100%
97 D
D D
D D
D D
D D
D D
D B
92%
98 C
C C
C C
A C
D C
C C
C C
83%
99 A
A A
A A
A A
A C
A A
A A
92%
100 B
D B
B B
B B
B B
B B
B B
92%
SCORE RO 86.7%
94.7%
81.3% 85.3% 92.0% 88.0% 77.3% 84.0% 93.3% 85.3% 81.3% 82.7% 80.0% 82.7% 89.3% 84.0% 90.7% 84.0% 90.7% 92.0% 88.0% 84.0%
SRO N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 80.0% 84.0% 76.0% 84.0% 84.0% 72.0% 96.0% 88.0% 92.0% 96.0% 92.0%
84%
TOT 86.7%
94.7%
81.3% 85.3% 92.0% 88.0% 77.3% 84.0% 93.3% 85.3% 81.0% 83.0% 79.0% 83.0% 88.0% 81.0% 92.0% 85.0% 91.0% 93.0% 89.0% 84.0%
RO RO RO RO RO RO RO RO RO RO SRO SRO SRO SRO SRO SRO SRO SRO SRO SRO SRO SRO 1
2 3
4 5
6 7
8 9
10 1
2 3
4 5
6 7
8 9
10 11 12
LC 31 NRC WRITTEN EXAM ANALYSIS RO RO RO RO RO RO RO RO RO RO SRO SRO SRO SRO SRO SRO SRO SRO SRO SRO SRO SRO PASS 1
2 3
4 5
6 7
8 9
10 1
2 3
4 5
6 7
8 9
10 11 12 RATE AVG RO Sect 86.2%
AVG SRO Sect 85.7%
AVG TOT 86.2%
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