"source:date"=>"2014-06-21","generator:source"=>"gas"
"voltage"=>"690","frequency"=>"50","start_date"=>"2017","manufacturer"=>"Siemens Gamesa","rotor:blades"=>"3","generator:type"=>"horizontal_axis","rotor:diameter"=>"58","generator:method"=>"wind_turbine","generator:source"=>"wind","manufacturer:type"=>"G 58-850","generator:output:electricity"=>"0.85 MW"