Written by Reporter –
Entrants will be competing for a green cash pot containing £350,000, with the national winner to receive £150,000.
A further five regional winners will each get £40,000 of no-strings attached funding.
They will also be given access to academics and investors whose advice can help grow their enterprises.
The cut-off date for applications falls on November 6.
Former winners include Edinburgh-based tidal energy technology developer Nova Innovation.