{"tree":[{"bk":"overview","$w":"Overview"},{"bk":"geo-charts","$w":"Electricity Fuel Mix"},{"bk":"intro","$w":"Electricity Prices and Usage"},{"bk":"residential-electricity-providers","$w":"Residential Electricity Providers"},{"bk":"commercial-electricity-providers","$w":"Commercial Electricity Providers"},{"bk":"power-plants","$w":"Power Plants"},{"bk":"nuclear-plants","$w":"6 Nuclear Power Plants"},{"bk":"quick-facts","$w":"Quick Facts"},{"bk":"il-counties","$w":"Illinois Counties Comparison"},{"bk":"fuel-types","$w":"Fuel Types & Emissions"},{"bk":"faq","$w":"FAQ"}]}