Thank you for your question.
We have quite a lot of resources that address sustainable energy -
Our home page is here - http://www.extension.org/ag_energy
Our Sustainability resources are here - http://www.extension.org/pages/28587/gauging-farm-energy-sustainability-table-of-contents#.U8AxNLGTH... You might especially look at information on life cycle assessment
We have a community assessment tool here - Community Assessment Toolkit
If you need more specific information, please provide more about your situation that clarify your issue - scale, location, who needs to be cooperating, options considered, what types of "clean energy", and so on. And it would be good to know more about what you hope to learn from us; for instance, are you more interested in the development of a cooperative model, or of the types of clean energy that you might pursue, or a way of quantifying how much renewable energy source would be required to offset the crude oil it's replacing.
A way of quantifying how much renewable energy source would be required to offset the crude oil it's replacing.
This is my main question.
Are you more interested in the development of a cooperative model?
The types of clean energy that you might pursue?
http://blogs.extension.org/bioen2/files/2011/07/BIOEN-2_CropmatrixFINALv1.pdf I do not understand what you need on a cooperative model, and truthfully don't have any expertise in that area. With detailed need explained, I might be able to find someone who could address. Since you are apparently not in the US, our knowledge might not be transferable to where you are?
Check out this bioenergy crop matrix: http://blogs.extension.org/bioen2/files/2011/07/BIOEN-2_CropmatrixFINALv1.pdf. It gives info on how much yield you can expect (it is tailored to the North Central US).
There are many processes to convert different energy crops into different fuels, from wood used directly for heat, oilseed crops turned into biodiesel, manure anaerobically digested into biogas, onto some of the emerging technologies like pyrolysis of biomass to produce liquid fuels. Uses, applicability to a location/situation and conversion rates vary by situation.
Please peruse the resources I mentioned earlier, or if you have a specific question about a crop or a process, let me know.