Station Post Insulators - P02146
The Scope
Western Power is seeking registrations of interest from suitably qualified and experienced organisations, for the provision of Station Post Insulators.
Post insulator units of porcelain material suitable for outdoor service within Western Power substations throughout the South west Interconnected System (SWIS).
Requirements include (but not limited to):
- Operating System Voltages: 22kV to 330kV
- Core Construction: Solid
- Power Frequency Withstand Voltage: 50kV to 460kV
- Lightning Impulse Withstand Voltage: 150kV to 1175kV
- Creepage: 31 mm/kV ph-ph (53.7mm/kV phase-to-earth)
- Minimum Failing Cantilever Load: 6kN to 16kN
The Scope of Work includes:
- Design
- Manufacture
- Testing
- Packaging
- Provision of documentation
- Insurance
- Delivery to Destination
Registration Requirements
|
Step |
Action |
Details |
|---|---|---|
|
1 |
Complete the ROI Questionnaire |
Respond to all questions in the Registration of Interest Questionnaire. Complete and update all required responses. Proceed to Step 2 – Online Registration. At the end, upload the completed questionnaire and any supporting documents prior to submitting your registration. For any assistance required, please email: |
|
2 |
Register Online |
|
|
3 |
Include the Event Number |
Ensure your registration clearly references the event number P02146 – Station Post Insulators |
|
4 |
Submission Deadline |
Submit all registrations by 3:00 PM AWST, Wednesday 26 November 2025 |
Next Steps
Western Power will review and evaluate the registration received against the scope requirements after the closing date.
Please note that registering for the opportunity does not guarantee that you will be invited to participate in a market event or become a supplier of Western Power.