If you don’t have the money the best idea remains an idea.
Sometimes it is simply the way the project is presented and how it is communicated to the banks and financing entities. Often it helps to translate the business plan into “banking language” to genereate the interest of a sponsor.
Especially when it comes to innovations where there is no reference the following applies: innovative ventures need innovative fincancing in order to get started.
There is no ready made solution. The solutions are as different as the projects.