Cook County Sun and Save is now closed, as of August 2026
Cook County Sun and Save accelerated the installation of solar photovoltaic (PV systems) for income-qualified residences in Cook County. The program made solar PV installation accessible for eligible Cook County residents and reduced energy burden, utility costs, and greenhouse gas emissions.
The Cook County Sun and Save program fully covered the cost of solar PV installations on eligible owner-occupied homes in Cook County for residents with household incomes above 80% of the Area Median Income (AMI) and at or below 120% of the AMI.
Program Successes:
- 98 Cook County households served, from 35 municipalities
- 613 kW of installed solar PV capacity
- $16 million estimated total utility savings*, 30-year PV system life on all installed systems
- $1,300 per year estimated average utility savings per household in Year 1
- $162,000 estimated average lifetime utility savings per household*, 30-year PV system life
- 270 MTCO2e per year in greenhouse gas emission reductions
*Assuming 8.7% annual electricity price increase for Illinois. Source: https://energyfactbook.com/electricity-rate-increases/