Yes, you can access articles related to specific power system planning or reliability assessment methods in various journals and publications. These sources provide valuable information and research findings in the field of power system planning and reliability assessment. Here are some notable journals and publications where you can find articles on these topics:

1. IEEE Transactions on Power Systems:
- This prestigious journal publishes articles on various aspects of power system planning, operation, and control.
- It covers topics such as reliability assessment, power system optimization, renewable energy integration, and grid planning.
- You can find detailed research papers and case studies related to specific power system planning or reliability assessment methods in this journal.

2. International Journal of Electrical Power and Energy Systems:
- This journal focuses on the design, analysis, and operation of power systems and energy conversion.
- It covers topics such as power system planning, reliability evaluation, risk assessment, and energy management.
- You can access articles that discuss specific methods and techniques used for power system planning and reliability assessment.

3. Electric Power Systems Research:
- This journal publishes research articles on power system analysis, planning, and operation.
- It covers topics such as power system reliability, risk assessment, asset management, and system optimization.
- You can find articles that provide insights into the latest methodologies and tools employed for power system planning and reliability assessment.

4. Power Systems:
- This open-access journal covers a wide range of topics in the field of power systems.
- It includes articles related to power system analysis, planning, reliability, and security.
- You can explore articles that discuss specific power system planning or reliability assessment methods in this journal.

5. Proceedings of the IEEE:
- This highly regarded publication covers a broad spectrum of electrical engineering topics, including power systems.
- It publishes articles on power system planning, reliability assessment, and related areas.
- You can find comprehensive review articles and research papers that delve into specific power system planning or reliability assessment methods.

In addition to these journals, you can also refer to conference proceedings, technical reports, and online repositories such as IEEE Xplore, ResearchGate, and Google Scholar for accessing articles related to specific power system planning or reliability assessment methods. These sources provide a wealth of information and can help you stay updated with the latest research in this field.