Many states require utilities to help low-income customers conserve energy despite higher costs and barriers.
The Illinois Solar for All program was slow to start in part because of its complexity and consumer safeguards.
The concrete anchors borrow a resilient pattern found in the shells of arthropods such as shrimp, crabs and lobsters.
Solar backers are hoping lawmakers will offer more flexibility on how soon Future Energy Jobs Act funds need to be spent.
Only two states added more wind capacity than Illinois in 2019, while Indiana saw growth despite a lack of incentives.