Energy
ComEd also offers some tips here that could also help save on your electric bill: https://www.comed.com/sites/HomeSavings/Pages/programsandincentives.aspx
The Citizen's Utility Board offers some additional programs to help you lower your utility bills while providing incentives also geared towards reducing energy consumption: http://cubenergysaver.com/.

Municipal Service Building, 800 N. Field DriveBuilt in 2009, the City's Municipal Services Building received LEED Gold Certification as a sustainable site and for utilizing efficient energy resources, water and materials. The building houses the departments of Community Development, Building Maintenance, Engineering, Finance, Parks & Forestry and Public Works.
Resident services available there are: animal licensing, building permits and construction inspections, Compost Center permits, recycling, community sign board applications, real estate transfer tax applications, parking permits, vehicle stickers, water accounts and billing.