From NSN - feasibility of Renewable Energy

Some aspects maybe to consider when we start planning the actual prototype:

http://www.nokiasiemensnetworks.com/about-us/corporate-responsibility/environmentally-sustainable-business/products-environment/renewabl

And from these pages you'll find some pdf-brochures/white-papers (right side):

http://www.nokiasiemensnetworks.com/insight/environment/renewable-energy

http://www.nokiasiemensnetworks.com/insight/environment