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| NIL No | Name of NIL Holder | Status | Authorised Action | Location | Province |
| NIL-01 (Variation 22) | Eskom Koeberg | Issued in November 2025 | 20 year long term operation license for Koeberg Unit 2 | Cape Town | Western Cape |
| NL-44 (Variation 5) | Eskom Koeberg | Issued in April 2026 | Variation 5 of NL-44 for the Transient Interim Storage Facility (TISF) | Cape Town | Western Cape |
| Facility/Activity Inspected | Date of Inspection | Aims of Inspection | Summary of Inspection outcomes[i] and Grading of Inspection Findings |
|---|---|---|---|
| Maintenance and Inservice Inspection | Feb – Apr 25 | Planned and announced inspection verifying compliance to LC 15 focusing on the performance of the requalification of the Liquid Penetrant Examination procedure. | One non-compliance was raised related to procedure administration. |
| Twelve observations were raised related to surface examinations, problem identification and resolution and procedure administration | |||
| Maintenance and Inservice Inspection | Feb – Jun 25 | Planned and announced inspection verifying compliance to LC 15 focusing on whether In-Service Testing regulatory requirements and licensee commitments are being met for the valves. | One observation was raised related to the testing of the valves. |
| Maintenance and Inservice Inspection | Feb – June 25 | Planned and announced inspection verifying compliance to LC 15 focusing on the tools, gauges, instruments, and other measuring and testing devices are properly controlled and maintained, to ensure total accuracy for the valves. | Two observations were raised related to calibration equipment and review of record. |
| Maintenance and Inservice Inspection | Feb – Jun 25 | Planned and announced inspection verifying compliance to LC 15 focusing on whether In-Service Testing regulatory requirements and licensee commitments are being met for the pumps. | Three observations were raised related to test results and review of record. |
| Maintenance and Inservice Inspection | Feb – Jun 25 | Reactive inspection verifying compliance to LC 15 focusing on the tools, gauges, instruments, and other measuring and testing devices are properly controlled and maintained, to ensure total accuracy for the pumps. | No non-compliances or observations were raised |
| Display of Nuclear Installation Licence | Apr-25 | Planned and unannounced inspection verifying compliance to LC 29 focusing on the display of Nuclear Installation Licence to ensure public access to the licence conditions | One observation was raised related to inconsistencies in display of licences NIL-01 and NIL-44. |
| Radioactive Waste Management | May-25 | Planned and announced inspection verifying compliance to LC 7 focusing on the: (i) adequacy of the implementation of the provisions related to Radioactive Waste Management. (ii) effectiveness of the licensee’s programs for processing, handling, and storage of Radioactive Waste | Three non-compliances were raised related to procedure administration, procedure, usability and records management. |
| Events on Site | Jun-25 | Planned and unannounced inspection verifying compliance to LC 27 focusing on the effectiveness of the licensee’s problem identification and resolution program in identifying, prioritising, evaluating, and correcting problems. | Eleven observations were raised related to problem identification and resolution and procedure administration. |
| Modification to Design of Plant | Jun-25 | Planned and announced inspection verifying compliance to LC 12 focusing on: (i) The implementation of programmatic controls for accomplishing design changes, modifications, and repairs. (ii) Verification that modified systems and components are ready for start-up, operation and shutdown of the plant. (iii) Verification that modifications have been properly designed, installed, inspected, and tested to ensure the adequate performance of the modified systems and components without compromising design margins | Eight non-compliances were raised related to Modification Control Program Administration, Procedure usability, Problem Identification and Resolution and documentation management. |
| Radiological Protection | Jun-25 | Planned and announced inspection verifying compliance to LC 5 focusing on the: (i) adequacy of the licensee’s personal dosimetry for internal and external exposure. (ii) capability to control internal and external occupational exposure during normal operations. | One non-compliance was raised related to records management. Eight observations were raised related to radiation monitoring requirements and problem identification and resolution. |
| Ageing Management and Long-Term Operation | Jun-25 | Planned and announced inspection verifying compliance to LC 16 focusing on the: (i) implementation of ageing management programme (AMP119) (ii) material condition of the systems, structures and components that require an ageing management review, maintenance. (iii) management of records. | One non-compliance was raised related to procedure administration. Seven observations were raised related surveillance and inspection, and procedure administration. |
| Dealing with Site | Jun-25 | Planned and announced inspection verifying compliance to LC 19 focusing on the Koeberg Plant Induction Training material for employees who are working at Koeberg unaccompanied if it does cover the requirements/aspects associated with safety and emergency preparedness. | Three observations were raised related to emergency evacuation plans and exit points. |
| Modification to Design of Plant | Apr – Jul 25 | Reactive inspection verifying compliance to Licence Condition 12 focusing on: (i) The implementation of programmatic controls for accomplishing design changes, modifications, and repairs. (ii) Verification that modified systems and components are ready for start-up, operation and shutdown of the plant. (iii) Verification that modifications have been properly designed, installed, inspected, and tested to ensure the adequate performance of the modified systems and components without compromising design margins. | No non-compliances were raised. Fifteen observations were raised related to problem identification and resolution, procedure usability and documentation |
| Radiological Protection | Aug-25 | Planned and announced inspection verifying compliance to Licence Condition 5 focusing on the adequacy of the licensee’s respiratory protection program for Radiation Protection. | Seven non-compliances were raised related to requirements for respiratory protection (emergencies), procedure administration, procedure usability and documentation. |
| Four observations were raised related to requirements for respiratory protection (medical screening of respirator users, supervision and training, maintenance of respiratory protective equipment), and documentation. | |||
| Maintenance and Inservice Inspection | Jun – Sep 25 | Planned and announced inspection verifying compliance to Licence Condition focusing on whether the licensee adequately performed, reviewed, and evaluated operational containment tests local leak rate test (LLRT) for operational plant. | No non-compliances were raised. |
| Two observations were raised related to test results and procedure administration. One observation related to test results was closed during the inspection. | |||
| Maintenance and Inservice Inspection | Jun – Sep 25 | Planned and announced inspection verifying compliance to Licence Condition 15 focusing on the tools, gauges, instruments, and other measuring and testing devices are properly controlled and maintained, to ensure total accuracy for the valves. | No non-compliances or observations were raised in this inspection. |
| Maintenance and Inservice Inspection | Aug – Sep 25 | Planned and announced inspection verifying compliance to Licence Condition 15 focusing on whether In-Service Testing regulatory requirements and licensee commitments are being met for valves. | No non-compliances or observations were raised in this inspection. |
| Emergency Planning and Preparedness | Aug – Sep 25 | Planned and unannounced inspection verifying compliance to Licence Condition 8 focusing on the adequacy of the implementation of the provisions related to Radiological Emergency Response Training (Onsite). | Seven observations were raised related to Radiological Emergency Response Training |
| Transport | Sep-25 | Planned and announced inspection verifying compliance to Licence Condition 10 focusing on the effectiveness of the licensee’s programs for processing, handling, storage, and transportation of radioactive material (Onsite). | Two non-compliances were raised related to measuring and test equipment and problem identification and resolution. |
| Three observations were raised related to procedure usability and documentation. | |||
| Scope of Activities that may be Undertaken | Aug – Sep 25 | Planned and announced inspection verifying compliance to Licence Condition 4 focusing on the: · adequacy of licensee procedures for the conduct of core reload operations. · adequacy of the licensee’s administrative requirements for control of: a) Core reload operations. b) Plant conditions during core reload. | Two observations were raised related to inspection planning, |
| Scope of Activities that may be Undertaken | Sep-25 | Planned and announced inspection verifying compliance to Licence Condition 4 focusing on whether refuelling activities specified in the Technical Specifications (TS) have been completed and whether refuelling activities are being controlled and conducted as required by TS and approved procedures. | Two observations were raised related to inspection planning, |
| Events on Site | Aug – Sep 25 | Planned and unannounced inspection verifying compliance to Licence Condition 27 focusing on the effectiveness of the licensee’s problem identification and resolution program in identifying, prioritising, evaluating, and correcting problems. | One non-compliance was raised related to procedure administration. |
| Two observations were raised related to problem identification and resolution | |||
| Modification to Design of Plant | Mar – Sep 25 | Reactive inspection verifying compliance to NNR Directive issued on 6 May 2025 related Licence Condition 12 focusing on: (i) The implementation of programmatic controls for accomplishing design changes, modifications, and repairs. (ii) Verification that modified systems and components are ready for start-up, operation and shutdown of the plant. (iii) Verification that modifications have been properly designed, installed, inspected, and tested to ensure the adequate performance of the modified systems and components without compromising design margins. | Two observations were raised related to problem identification and resolution |
| Physical Security | Aug – Sep 25 | Planned and announced inspection verifying compliance to Licence Condition 18 focusing on the: effective implementation of the licensee’s nuclear security measures in place that are required to minimize the opportunity for unauthorized removal of radioactive sources in use and or in storage. | Three non-compliances were raised related to procedure administration and documentation. One non-compliance related to documentation was closed during the inspection. |
| Eight observations were raised related to programme administration, categorisation of radioactive sources, procedure administration, and documentation . | |||
| Limits and Conditions on Operation | Aug – Sep 25 | Planned and announced inspection verifying compliance to LC 14 evaluating whether the licensee operates the plant safely and reliably, and operational surveillance and other activities are performed in conformance with license conditions, regulatory requirements, and licensee commitments | Two non-compliances were raised related to Documentation |
| One observation was raised related to Operations Procedures and Records. | |||
| Maintenance and Inspection Service | Sep – Oct 25 | Planned and announced inspection verifying compliance to LC 15 focusing on assessing the effectiveness of the licensees’ program for assessing the welds on vital system boundaries as it relates to the replacement steam generators. | Two non-compliances were raised related to procedure administration |
| Eight observations were raised related to Written Procedure Requirements, Examinations, Evaluation, Procedure Administration and Procedure Usability. | |||
| Maintenance and Inspection Service | Mar – Oct 25 | Reactive inspection verifying compliance to LC 15 focusing on assessing the effectiveness of the licensees’ program for assessing the welds on vital system boundaries as it relates to the replacement steam generators. | Two observations related to Personnel and Procedure Demonstration. |
| Maintenance and Inservice Inspection | Oct-25 | Planned and announced inspection verifying compliance to LC 15 focusing on whether In-Service Testing regulatory requirements and licensee commitments are being met for the valves. | No non-compliances or observations were raised in this inspection. |
| Maintenance and Inservice Inspection | Oct-25 | Planned and announced inspection verifying compliance to LC 15 focusing on whether In-Service Testing regulatory requirements and licensee commitments are being met for the valves. | No non-compliances or observations were raised in this inspection. |
| Maintenance and Inservice Inspection | Oct-25 | Reactive inspection verifying compliance to LC 15 focusing on whether In-Service Testing regulatory requirements and licensee commitments are being met for the valves. | No non-compliances or observations were raised in this inspection. |
| Ageing Management and Long-Term Operation | Oct – Dec 25 | Planned and announced inspection verifying compliance to LC 16 focusing on the material condition of the systems, structures and components (SSCs) that require an ageing management review, that are adequately maintained consistently. | One non-compliance was raised related to Procedure Administration. |
| Three observations were raised related to surveillance and inspection. | |||
| Environmental Protection and Effluent Management | Nov – Dec 25 | Planned and announced inspection verifying compliance to LC 6 focusing on effective implementation of the radiological environmental monitoring programme. | Five non-compliances were raised related to Land use census, Procedure Administration, Procedure Usability and Documentation. |
| Six observations were raised related to Operational Environmental Surveillance Program, Disposal of Samples, Procedure Administration and Documentation. | |||
| Authorised and Qualified Persons | Sep, Oct, Dec 25 | Planned and announced inspection verifying compliance to LC 4 focusing on the: · Outage 127 refueling operation that was in progress · Outage 127 preparation for dilution to criticality phase · Unit flux mapping, thermal power measurement | Three observations were raised related to Conduct of Operators and Control Room Environment and Procedure Administration. |
| Maintenance and Inservice Inspection | Oct – Nov 25 | Reactive inspection verifying compliance to LC 15 focusing on whether maintenance activities for structures, systems, and components (SSCs) are being conducted in a manner that results in the reliable and safe operation of the plant. | Two non-compliances were raised related to Procedure Administration. |
| One observation related to Documentation. | |||
| Scope of Activities that may be Undertaken | Nov – Dec 25 | Planned and announced inspection verifying compliance to LC 4 focusing on the calculation of core thermal power and that the procedures used are technically adequate (Unit 2) | Three observations were raised related to Core Performance Data Evaluation, Procedure Usability and Documentation. |
| Radiological Protection | Dec-25 | Planned and announced inspection verifying compliance to LC 4 focusing on the: plant walkdown to establish licensee’s implementation of the radiation protection program is in accordance with license and regulatory requirements. | One non-compliance was raised related to Procedure Usability. |
| Four observations were raised related to House Keeping, Contamination, lack of consistency in labelling bags, and Oil Storage Room Capacity. | |||
| Documents and Records | Dec-25 | Reactive inspection verifying compliance to LC 22 focusing the Nuclear Authorisation holder’s processes used to ensure the effective implementation of RD-0034, “Quality and Safety Management Requirements for Nuclear Installations”, section 7.3, “General Requirements on Documentation” | Four non-compliances were raised related to Procedure Usability and Documentation of which two were graded yellow and two green. |
| One observation was raised related to Documentation. | |||
| Scope of Activities that may be Undertaken | Dec-25 | Planned and announced inspection verifying compliance to LC 4 focusing on the calculation of core thermal power and that the procedures used are technically adequate (Unit 1) | Two observations related Core Performance Data Evaluation and Procedure Usability tracked under Unit 2 |
| Radiological Protection | Feb-26 | Planned and announced inspection verifying compliance to LC 5 focusing on the: safety security and control of radioactive sources that are maintained at a high level through prescribed requirements and guiding regulations. | Four non-compliances were raised related to Administrative Controls, Marking and Labelling of Sources, Procedure Usability |
| Seven observations were raised related to Categorisation System for Radioactive Sources, Administrative Controls, Marking and Labelling of Sources, Procedure Usability and Documentation | |||
| Public Communication and Information Dissemination | Feb-26 | Reactive inspection related to LC 28 in evaluating the effective implementation of Public Safety Information Forum (PSIF) at Koeberg Nuclear Power Station as it relates to information sharing/communication with the members of the public. | Three non-compliances were raised related to Public Safety Information Forum Programme |
| One observation was raised related to Public Safety Information Forum Programme | |||
| Emergency Preparedness and Response | Feb-26 | Planned and announced inspection verifying compliance to LC 8 focusing on the review and adequacy of the implementation of the provisions related to Emergency Planning and Preparedness at Koeberg Nuclear Power Station as documented in the Regulatory Requirements Document. | Seven non-compliances were raised related to Emergency Facilities and Equipment, Protective Response (Urgent Protective Actions), Procedure Administration, Procedure Usability |
| Two observations were raised related to Emergency Facilities and Equipment, Protective Response (Urgent Protective Actions), | |||
| Maintenance and Inservice Inspection | Oct 25 – Feb 26 | Planned and announced inspection verifying compliance to LC 15 focusing on whether In-Service Testing regulatory requirements and licensee commitments are being met for the valve’s requalification. | No non-compliances or observations were raised in this inspection. |
| Maintenance and Inservice Inspection | Oct 25 – Feb 26 | Planned and announced inspection verifying compliance to LC 15 focusing on whether the licensee adequately performed, reviewed, and evaluated operational containment tests local leak rate test (LLRT) requalification for operational plant. | No non-compliances or observations were raised in this inspection. |
| Maintenance and Inservice Inspection | Oct 25 – Feb 26 | Planned and announced inspection verifying compliance to LC 15 focusing on the maintenance activities for CSR, SR and other safety significant structures, systems, and components (SSCs) are being conducted in a manner that results in reliable safe operation of the plant and plant equipment. | Five observations related to Corrective Maintenance Programme, Problem Identification and Resolution and Procedure Usability. |
| Scope of Actions that may be Undertaken | Mar-26 | Planned and announced inspection verifying compliance to LC 4 focusing on whether the licensee’s programme is in accordance with licence and regulatory requirements. | Seventeen observations were raised related to Inspection Planning, Inspection, Maintenance and Monitoring Programme linked to the integrity verification of the spent fuel casks, Problem Identification and Resolution, Procedure Administration, Procedure Usability and Documentation. |
| Safety Assessment | Feb – Mar 26 | Planned and announced inspection verifying compliance to LC 11 focusing on whether the licensee’s implementation of the standard process is in accordance with licence and regulatory requirements. | Five non-compliances were raised related to Procedure Administration and Procedure Usability. |
| One observation was raised related to Programme Administration. | |||
| Scope of Actions that may be Undertaken | Mar-26 | Planned and announced inspection verifying compliance to LC 4 to ascertain the adequacy of the licensee’s administrative requirements regarding the fuel element storage limits as it pertains to dry storage limits and storage limits in units 1 and 2 spent fuel pools. | Three observations were raised related to Programme Administration and Documentation |
| Quality and Safety Management | Mar-26 | Planned and announced inspection verifying compliance to LC 21 focusing on the: effective implementation of a nuclear safety culture | Six non-compliances were raised related to Problem Identification and Resolution. |
| Two observations were raised related to Nuclear Safety Culture Administration Program. |
| Title | Description |
| Radiography-related instruction to Eskom | The NNR also issued an instruction to Eskom in response to recurring radiography-related incidents during the maintenance window of Outage 227. Because these incidents created a risk of uncontrolled worker exposure, the NNR directed Eskom to suspend all radiography interventions until it had demonstrated that the root causes had been identified and that appropriate corrective actions had been implemented. The suspension was later lifted. |
| NNR Enforcement Notice | TlCR Amendment to directive – EERI mod 12008 hardened water supply timelines |
| NNR Directive | Non-compliance with to NIL-01 Licence Condition 12.2 |
| Non-compliance with NNR Long Term Operation (LTO) Directive | The functionality of the Hardened Water System is dependent on the successful implementation of both the Hardened Water Supply (Modification 12008) and Hardened Water Connection points (Modification 12004) modifications. Eskom failed to complete the online scope of the EERI Modification 12004, “Hardened Water Connection Points” by 31 October 2025 as was committed in the LTO safety case resulting in a non-compliance authorisation condition. |
| 20 Year Long Term Operations (LTO) licence for Koeberg Unit 2 | The NNR Board of Directors approved on 6 November 2025 a 20 year long term operations (LTO) licence for Koeberg Unit 2. NIL-01, Variation 22 authorises the operation of Unit 2 for an additional 20-year period of extended operation.. |
There were Emergency Exercise Reports for 2025-2026.
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