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.
Legislation that sought to boost the shrinking fund for solar incentives is on hold, as are many installations across the state.
State and local governments often have authority but lack the resources and political will to enforce pollution rules.