{"tree":[{"$":"solar-panels-costs","$H":"How much do solar panels cost in Illinois in 2025?"},{"$":"electricity-cost","$H":"Electricity Costs in Illinois & What that Means for Your Solar Panel Pricing"},{"$":"system-compare","$H":"Average solar panel costs by system size in Illinois"},{"$":"solar-incentives-rebates","$H":"Illinois Solar Panel Installation Incentives & Rebates"},{"$":"are-solar-panels-worth","$H":"Are solar panels worth it in Illinois?"},{"$":"cost-of-not-having-solar","$H":"The cost of not having solar panels in Illinois"},{"$":"what-impacts-solar-panels-cost","$H":"What impacts the cost of solar panels in Illinois?"},{"$":"solar-cities","$H":"See what solar panel costs are in your city"},{"$":"solar-counties","$H":"See what solar panel costs are in your county"},{"$":"solar-installers","$H":"Who are the best solar installers in Illinois?"},{"$":"faqs","$H":"Illinois Solar Panel Cost FAQs"}]}