"operator"=>"Windplan Kornwerderzand BV","start_date"=>"1990-06","manufacturer"=>"Lagerwey Wind BV","rotor:blades"=>"2","seamark:type"=>"landmark","generator:type"=>"horizontal_axis","generator:method"=>"wind_turbine","generator:source"=>"wind","seamark:landmark:category"=>"windmotor","generator:output:electricity"=>"80 kW"
"generator:type"=>"horizontal_axis","generator:method"=>"wind_turbine","generator:source"=>"wind"