Illinois Solar · Golden State Solar Guide

IL · per-state inventory

Design a System

Illinois

Solar inventory from OpenStreetMap

Inventory

Map layers

Utility-scale sites Distributed solar density

Utility build-out over time

Also show sites with no known year

Utility sites commissioned on or before the selected year.

Cumulative utility growth

Utility-scale coverage is good; distributed is partial and shown as density (each cell ≈ mapped arrays within ~2 km; panel rows inside plants removed). For authoritative capacity see the National dashboard.

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Golden State Solar Guide is an independent information resource for Northern California homeowners — not affiliated with PG&E, any utility, or any solar installer. Information here is general and can change; it is not financial, tax, or engineering advice. Verify current programs and get a firm quote from a licensed professional before you decide.

Data: OpenStreetMap, WRI, EIA, IRENA, Global Energy Monitor, Esri imagery.