{
    "geometry": [
        "point"
    ],
    "tags": {
        "type": "volatile_generator",
		"oemof_class":"source"
    },
    "name": "Volatile Generator",
	"fields": [
		"energy_sector",
	    "installed_power",
		"variable_costs"
    ]
}

{
    "geometry": [
        "point"
    ],
    "tags": {
        "type": "volatile_generator",
		"oemof_class":"source"
    },
    "name": "Volatile Generator",
	"fields": [
		"energy_sector",
	    "installed_power",
		"variable_costs",
		"dispatchable"
    ]
}

Add tag dispatchable to volatile generator
Add tag dispatchable to volatile generator
