"generator:type"=>"horizontal_axis","generator:method"=>"wind_turbine","generator:source"=>"wind"
"voltage"=>"690","frequency"=>"50","start_date"=>"1994","manufacturer"=>"Micon","rotor:blades"=>"3","generator:type"=>"horizontal_axis","rotor:diameter"=>"29.8","generator:method"=>"wind_turbine","generator:source"=>"wind","manufacturer:type"=>"M700-225","generator:output:electricity"=>"225 kW"
"operator"=>"Essent","source:date"=>"2014-09-06","generator:type"=>"gas_turbine","generator:method"=>"combustion","generator:source"=>"biogas","generator:output:heat"=>"yes"
"generator:type"=>"horizontal_axis","generator:method"=>"wind_turbine","generator:source"=>"wind"