Western Australia Unlocks 1.8 GW Renewable Tender: New Developer Rating Scheme Kicks Off August 27

Western Australia’s energy landscape is set for a significant transformation with the launch of a new Capacity Investment Scheme (CIS) tender, seeking 1.8 gigawatts (GW) of new renewable energy generation. Announced on August 25, 2026, this tender marks a crucial step towards the state’s decarbonisation goals and introduces a new mandatory Developer Rating Scheme (DRS) to foster greater community trust.

Registrations for CIS Tender 11 opened on August 27, 2026, with bids also commencing on the same day and closing on October 22, 2026. Projects awarded under this tender are expected to be operational by 2030, contributing significantly to Australia’s ambitious target of 82% renewable electricity by that year.

Driving WA’s Renewable Future

The tender, which focuses on Western Australia’s Wholesale Electricity Market (WEM), invites proposals for a range of generation types including solar, wind, and hydropower. Each proposed project must have a minimum nameplate capacity of 30 megawatts (MW). A notable inclusion is a 180 MW set-aside specifically for First Nations groups, encouraging projects that commit to 5% or higher equity participation or similar revenue-sharing arrangements.

Federal Energy Minister Chris Bowen highlighted the importance of this tender for WA’s growing economy and population. “Western Australia needs more power as its economy and population grow, and this tender will bring forward another 1.8 GW of new generation to help deliver it,” Minister Bowen stated.

“This tender will bring forward another 1.8 GW of new generation to help deliver it.” – Federal Energy Minister Chris Bowen

The previous CIS tenders in Western Australia this year have already supported 10 projects, delivering 1.9 GW of renewable generation and 482 MW of energy storage. These projects are projected to provide enough renewable electricity for over 1 million WA households and sufficient storage to support more than 400,000 households during peak demand.

New Standards for Developer Accountability

CIS Tender 11 is the first to mandate participation in the newly introduced Developer Rating Scheme (DRS). This scheme, designed to enhance confidence among local communities and landholders, provides greater transparency regarding the track record, capability, and conduct of renewable energy developers and transmission companies. The DRS is independently administered by data, analytics, and technology company Equifax.

Federal Assistant Energy Minister Josh Wilson emphasised that the tender will place a stronger emphasis on project deliverability, including the ability to attract financing. This move underscores a commitment to not only increasing renewable capacity but also ensuring projects are built responsibly and with community support. Developers must have commenced the DRS assessment process to be eligible to bid in Tender 11.

Broader Implications for Australia’s Energy Transition

This tender is critical for Western Australia as the state aims to accelerate the deployment of new generation capacity to replace its remaining state-owned coal-fired generators, which are scheduled for shutdown by the end of 2029. The integration of large-scale solar projects, alongside wind and hydro, will play a pivotal role in achieving this transition.

The ongoing expansion of renewable energy infrastructure, including significant solar farms, is vital for stabilising wholesale electricity prices and reducing overall energy costs for Australian consumers. While individual households primarily benefit from rooftop solar and battery rebates, large-scale projects like those sought in this tender contribute to the fundamental shift in the energy mix that underpins national energy security and affordability. For those interested in the broader economic benefits of renewable energy, understanding how these large-scale investments affect the grid is crucial, complementing individual efforts to manage energy bills. You can explore more about personal energy savings and available support through resources like Australia’s Energy Bill Relief Fund 2026: Your Guide to Current Support and Savings.

The focus on solar within these large-scale tenders demonstrates its continued importance in Australia’s renewable energy strategy. As technology advances, the efficiency and cost-effectiveness of Best Solar Panels in Australia 2026: Performance, Warranties & Value for $5,500+ continue to improve, making them a cornerstone of both residential and utility-scale deployments.

The results of this tender, expected in March 2027, will reveal the next wave of major renewable energy projects for Western Australia, shaping its energy future for decades to come. This strategic investment highlights the federal government’s ongoing commitment to a cleaner, more reliable energy system for all Australians.