Agence France-Presse: Wind parks in Spain, a world leader in the renewable energy source, are increasingly being disconnected due to a fall in power demand caused by the economic slowdown, a report said Monday. “Due to the fall in demand, it has become necessary to disconnect the wind parks which already produce more electricity than the system can absorb,” business daily Expansion reported without citing sources. The wind parks are usually disconnected at night when demand for power falls, it …