natural gas backup generator cost

{"title":"60Hz 220V 3P4W 180KW Natural Gas Generator Set , 1800 RPM Natural Gas Generator","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/e3\/fe\/b5fd0ff0d8b48f4aa09bba1edf5f-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"SevenPower","Model Number":"SP180N","Minimum Order Quantity":"1 Set","Delivery Time":"30days","Certification":"CE","Place of Origin":"Chengdu,China","Frequency":"60Hz","Fuel":"Natural gas","Electrical Output":"180kw","Color":"White or Black, other colors is avaible on request","Emissions":"below 500mg","Sounproof Canopy":"With","Payment Terms":"L\/C, T\/T"}}

{"title":"Gas generator set 30\/50\/100\/120\/200KW power outage backup emergency power supply","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/0b\/68\/97fa4abd2021a9cb494595cccb5c-200x200-1.jpg","attrs":{"Price":"100-50000USD","Brand Name":"Golden Bull","Model Number":"GB100GF","Minimum Order Quantity":"1","Delivery Time":"On stock","Certification":"ISO, CE, EPA, CCPIP, CO, FORME, etc","Place of Origin":"China","Payment Terms":"Customize","Supply Ability":"5000 sets\/year","Packaging Details":"Container, RO - RO Ship, Frame Cabinet, etc.","Structural style":"Box type","Fuel type":"Methane","Phase number":"3","Generator type":"Synchronous machine","output voltage":"220\/400 (V)","Voltage regulation type":"Brushless","ated power (KW)":"100","Rated speed (r\/min)":"1500","Rated voltage (V)":"400","Power factor":"0.8","Rated frequency (Hz)":"50","Certifications":"CE\/ EPA\/ ISO","Insulation level":"H","Condition":"Brand new","Starting method":"24V start-up","Ignition method":"Inductive","Noise":"(dBA)\/7m \u226475","Service":"Custom Support","Technology change":"Support","Color":"Customized support"}}