The Capacity Investment Scheme
The Capacity Investment Scheme

The Capacity Investment Scheme (CIS) Tender 2 – WEM Dispatchable Capacity will open shortly for bids. Tender documents including the Tender Guidelines will be available soon.


The CIS Tender 2 – Wholesale Electricity Market (WEM) Dispatchable Capacity (Tender 2) will open shortly to projects that meet the Eligibility Criteria across the WEM as outlined in the Tender Guidelines.

Registered proponents are able to ask questions in the formal tender Q&A process which closes five business days prior to the Project Bid closing date and time. For enquiries on the tender, eligibility and merit or registration please contact

You must register to be able to submit a project bid and access the Q&A function.

Tender Guidelines

The Tender Guidelines will be available shortly.

A version of the tender guidelines was briefly published 16 July 2024. This document is not to be used; an updated version will available when the tender is launched.

Social Licence Market Briefing Note

A Social Licence Market Brief will be available shortly.

Tender Webinar

A webinar will be hosted on Wednesday 24 July 2024 to support potential proponents’ understanding of the tender process and product.

The webinar will run from 11:30am – 1:00pm AWST / 1:30pm – 3:00pm AEST. Register for the CIS Tender 2 – WEM Dispatchable Capacity webinar here.

Attendees will have the opportunity to ask questions.

If you are unable to attend, a recording of the webinar will be made available on this page.

About the Tender

Tender 2 will seek to deliver a target of 2,000 MWh of clean dispatchable capacity across the WEM.

Projects in Tender 2 must be located in Western Australia and connect to the South West Interconnected System (SWIS) as defined by the Electricity Industry Act 2004 (WA).

Projects must have a minimum storage duration of two hours, a minimum size of 30 MW and meet all the Eligibility Criteria.

About AEMO and AEMO Services’ Role

AEMO and AEMO Services have been engaged to support the roll-out of the Australian Government’s Capacity Investment Scheme (CIS) as an advisor and tender delivery partner, bringing together our expertise in energy markets, modelling and infrastructure finance and procurement. AEMO Services is conducting the competitive tender process that will enable the Australian Government to determine which projects the scheme should support.

Our work will help the Australian Government secure reliability and security in energy supply for consumers across Australia. We will conduct a two-stage tender process, assessing overall project merit including social licence and financial value. The Australian Government Minister for Climate Change and Energy is the ultimate decision-maker, with a short-list of projects recommended to the Commonwealth for final approval. 

will open shortly



Register now for the CIS Tender 2 – WEM Dispatchable Capacity Webinar
Wednesday 24 July 2024
11:30am – 1:00pm AWST / 1:30pm – 3:00pm AEST




Last updated 28 Jun 2024