Unique mounting structures and installation methods for arrays of photovoltaic modules are disclosed. These structures and methods allow for simple, inexpensive and facile production of expansive area solar energy collection facilities. It is emphasized that this abstract is provided to comply with the rules requiring an abstract that will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims.