ST1 Substation – Maintenance, Testing & Commissioning
March 1st, 2026
A Strong Start at ST1
On March 1st, 2026, PISCO’s engineering team officially commenced maintenance, testing, and calibration works at ST1 Substation, marking another important milestone in our early-year technical operations.



At ST1, our scope of work focused on ensuring the stability, safety, and optimal performance of the MV switchgear system, including:
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Comprehensive inspection and maintenance of Medium Voltage switchgear
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Functional testing and calibration of protection relays
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Circuit breaker inspection and operational testing
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Verification of control and interlocking systems
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Strict adherence to Lockout/Tagout (LOTO) safety procedures throughout the process



Every step was executed in accordance with standardized technical protocols to guarantee system reliability and minimize operational risks.
Professional Execution – Precision in Every Detail
At PISCO, technical excellence is reflected not only in results but also in the way we work.
During the ST1 project, our engineers demonstrated:
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Careful preparation of testing equipment and documentation
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Clear task allocation and on-site coordination
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Accurate data recording and performance evaluation
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Immediate technical adjustments where required
By combining practical experience with modern testing instruments, PISCO ensures that each component of the switchgear system operates safely and efficiently before being handed back to the client.
Safety First – Always
Electrical maintenance at substations requires absolute discipline in safety control.
For the ST1 project, PISCO strictly implemented:
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Complete isolation procedures before testing
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Lockout/Tagout (LOTO) control for all related equipment
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Continuous supervision and cross-checking among team members
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Compliance with industrial electrical safety standards
Our commitment to safety protects not only equipment and systems but also the people who operate and maintain them.
Moving Forward in 2026
The ST1 substation project is part of PISCO’s broader 2026 strategy to:
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Strengthen preventive maintenance programs for industrial power systems
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Enhance technical response capabilities
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Support customers in maintaining stable and uninterrupted production
With dedication, technical competence, and a customer-focused mindset, PISCO continues to be a reliable partner in industrial electrical and automation solutions.
Contact Information
PISCO COMPANY LIMITED
Email: sales@pisco.vn
Hotline: 0937 37 07 37
Website: www.pisco.vn
PISCO sincerely thanks our valued Customers and Partners for your continued trust and collaboration.
We look forward to delivering even greater value together throughout 2026.




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