The investment from the Departments for Business, Innovation and Skills (BIS) and Energy and Climate Change (DECC), is part of a £19.5m fund earmarked for investment in marine energy projects in the region.
The funding has been secured by the South West RDA (Regional Development Agency).
The infrastructure project includes a new bridge, construction of a new road, flood protection works and restoration of harbour walls on North Quay at Hayle.
These engineering works will enable access to the site of a proposed marine renewable business park and is expected to support 190 jobs.
It is expected to complement the South West RDA’s £42m Wave Hub project, which is creating the world’s largest test site for marine energy devices 10 miles off the north coast of Cornwall.
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