List every penny it will take to run the entire project. Stuff does not make the grant. Computers are only tools to obtaining solutions. They are not the solution. The big, national, high-visibility ones are easy to see.
Local ones require a lot of personal networking and contact as well as politics.
You do not just read about them. Many times you have to associate with movers and shakers and advocates to find the local or regional sources. We work with people to help them fully develop their projects. You will eventually find answers from the projects. Once you focus, the rest comes into the fold.