Silex will also return A$75m ($69.8m) of co-funding from the Australian Renewable Energy Agency (Arena).
"The decision was based on a number of factors, including low wholesale electricity prices and the uncertainty surrounding the Renewable Energy Target (RET)," said Silex.
Conditional funding of $35m from the Victorian government will also be terminated, added the company.
Silex said it is currently exploring alternatives to develop the Mildura site on a smaller scale, and will continue discussions with Arena and the state authorities regarding potential funding support for its CPV technology.
"Since