Hydro Tasmania is seeking EOIs from suitably qualified and experienced contractors interested in providing proposals for open cycle conversion of the Tamar Valley Power Station (gas power station) for both the following options:

Option 1 Conversion by incorporation of a new stack to enable open cycle operation only (Simple Stack). Option one is a straight conversion to open cycle operation, involving installation of a simple stack that would no longer enable combined cycle operation; and

Option 2 Conversion by incorporation of a new stack with bypass valves and controls system to enable operation in either combined cycle or open cycle mode (Bypass arrangement). Option two is to convert the current CCGT unit to dual OCGT-CCGT operation. This will involve installation of a bypass valve enabling both open and combined cycle operation. This option would maintain the existing 208 MW capacity when used in combined cycle mode.

The EOI is seeking interest and submissions regarding capability, experience and availability to undertake a design and construct process.

Details of the specific requirements are set out in the Document Pack.

Please ensure all questions are addressed and responses submitted via the Returnable Schedules.

Any questions or queries should be forwarded via the tender Forum.

A pre-tender briefing is scheduled for Friday 14 March 2025 at 10.00 am at the Tamar Valley Power Station located at East Tamar Hwy, Bell Bay Tasmania 7253.

Please RSVP to tender.box@hydro.com.au no later than 10:00am the day before the briefing, setting out names of attendees and mobile phone contact details.