Below are the sources used to create the IL Energy Facts & Data images and presentation.
- Illinois Power Agency (IPA)
Electric Choice Basics
Illinois Power Agency
https://plugin.illinois.gov/electric-choice-basics.html - Constellation Energy
What Is Energy Deregulation?
Constellation Energy
https://www.constellation.com/energy-101/energy-choice/what-is-energy-deregulation.html - Illinois Environmental Protection Agency (IEPA)
Climate and Equitable Jobs Act (CEJA)
Illinois EPA
https://epa.illinois.gov/topics/ceja.html - U.S. Energy Information Administration (EIA)
State Electricity Profiles and Data (Illinois)
U.S. Department of Energy
https://www.eia.gov/electricity/state/ - Illinois Commerce Commission (ICC)
Citizens Guide to the Illinois Commerce Commission
Illinois Commerce Commission
https://icc.illinois.gov/api/web-management/documents/downloads/public/Citizens%20Guide%20to%20ICC.pdf - Synapse Energy Economics, Inc. (2025), A Snapshot of the Energy Landscape in Illinois, Report 24-134, prepared for Illinois Manufacturers’ Association.
https://www.synapse-energy.com/sites/default/files/A%20Snapshot%20of%20the%20Energy%20Landscape%20in%20Illinois_Synapse%20report%20for%20IMA%2024-134.pdf - Congressional Research Service (CRS)
Electricity Markets and Regional Transmission Organizations (RTOs)
CRS Report R48553
https://www.congress.gov/crs-product/R48553 - Federal Energy Regulatory Commission (FERC)
Participation in Midcontinent Independent System Operator (MISO) Processes
Federal Energy Regulatory Commission
https://www.ferc.gov/participation-midcontinent-independent-system-operator-miso-processes - Illinois Power Agency (IPA)
Resource Adequacy and Electricity Procurement
Illinois Power Agency
https://ipa.illinois.gov/electricity-procurement/resource-adequacy.html - Illinois Power Agency (IPA)
About the Illinois Power Agency
Illinois Power Agency
https://ipa.illinois.gov/about-ipa.html - National Association of Regulatory Utility Commissioners (NARUC)
Electric Industry Restructuring and Regulation Overview
National Association of Regulatory Utility Commissioners
https://pubs.naruc.org/pub.cfm?id=53760ED6-2354-D714-5156-21B8483CB08B - U.S. Energy Information Administration (EIA)
Electricity Retail Sales by Sector (Illinois, Monthly Data Browser)
U.S. Department of Energy
https://www.eia.gov/electricity/data/browser/#/topic/5 - U.S. Energy Information Administration (EIA)
Electricity Net Generation by Energy Source (Illinois, Monthly Data Browser)
U.S. Department of Energy
https://www.eia.gov/electricity/data/browser/#/topic/0 - Synapse Energy Economics
Illinois Data Center Load Growth Results (Report 25-033, 2025)
Synapse Energy Economics, Inc.
https://www.synapse-energy.com/sites/default/files/IL%20Data%20Center%20results_2025.05.05%20Edits%20FINAL%2025-033.pdf - Associated Press
Electricity Prices Rise as Data Centers and Artificial Intelligence Drive Demand
Associated Press
https://apnews.com/article/electricity-prices-data-centers-artificial-intelligence-fbf213a915fb574a4f3e5baaa7041c3a - Monitoring Analytics
Analysis of the 2025/2026 RPM Base Residual Auction, Part G (Revised)
Independent Market Monitor for PJM
https://www.monitoringanalytics.com/reports/reports/2025/IMM_Analysis_of_the_20252026_RPM_Base_Residual_Auction_Part_G_20250603_Revised.pdf - Citizens Utility Board of Illinois (CUB)
How Data Centers Are Raising Our Bills in Illinois — and What We Should Do About It
Citizens Utility Board of Illinois
https://www.citizensutilityboard.org/blog/2025/08/19/how-data-centers-are-raising-our-bills-in-illinois-and-what-we-should-do-about-it/ - U.S. Department of Energy
What Is Generation Capacity?
U.S. Department of Energy
https://www.energy.gov/ne/articles/what-generation-capacity - U.S. Energy Information Administration (EIA)
Frequently Asked Questions: Electricity Generation Capacity
U.S. Department of Energy
https://www.eia.gov/tools/faqs/faq.php?id=101&t=3 - Illinois General Assembly
SB 25 — Clean and Reliable Grid Affordability Act (Bill Status)
https://www.ilga.gov/Legislation/BillStatus?DocTypeID=SB&DocNum=25 - Illinois General Assembly
SB 2727 — Bill Status (Legislation Summary)
https://www.ilga.gov/Legislation/BillStatus?DocNum=2727&GAID=18&DocTypeID=SB&LegId=164485&SessionID=114 - Illinois General Assembly
SB 2408 — Climate and Equitable Jobs Act (Bill Status)
https://www.ilga.gov/Legislation/BillStatus?DocNum=2408&GAID=16&DocTypeID=SB - Illinois Power Agency (IPA) – 2025 Resource Adequacy Study – Data and Materials – State of Illinois
https://ipa.illinois.gov/electricity-procurement/resource-adequacy/2025-resource-adequacy-study-data.html - Congressional Research Service (CRS) – Electricity Transmission Permitting and Siting: Background and Recent Developments (R48553) – U.S. Congress
https://www.congress.gov/crs-product/R48553 - Federal Energy Regulatory Commission (FERC) – Participation in Midcontinent Independent System Operator (MISO) Processes – Federal Energy Regulatory Commission
https://www.ferc.gov/participation-midcontinent-independent-system-operator-miso-processes - Midcontinent Independent System Operator (MISO) – Interregional Coordination – MISO
https://www.misoenergy.org/planning/interregional-coordination/ - Illinois Power Agency (IPA) – Electric Choice Basics – State of Illinois
https://plugin.illinois.gov/electric-choice-basics.html - Illinois Office of Broadband (CNGIS / ArcGIS Hub) – Electric Utility Boundaries – State of Illinois
https://illinois-broadband-cngis.hub.arcgis.com/datasets/electric-utility-boundaries-1/explore - Midcontinent Independent System Operator (MISO) – Planning Year 2025–2026 Loss of Load Expectation (LOLE) Study Report – MISO
https://cdn.misoenergy.org/PY%202025-2026%20LOLE%20Study%20Report685316.pdf - PJM Interconnection – Updated 20-Year Forecast Continues to See Significant Long-Term Load Growth – PJM Inside Lines
https://insidelines.pjm.com/pjms-updated-20-year-forecast-continues-to-see-significant-long-term-load-growth/ - Monitoring Analytics – Components of the Total Cost of PJM Wholesale Power – PJM Independent Market Monitor
https://www.monitoringanalytics.com/data/pjm_cost.shtml - U.S. Energy Information Administration (EIA) – Illinois State Electricity Profile and Energy Estimates – U.S. Department of Energy
https://www.eia.gov/states/IL/analysis - Union of Concerned Scientists (UCS) – Data Center Power Play: Illinois – Union of Concerned Scientists
https://www.ucs.org/sites/default/files/2026-01/Data-Center-Power-Play-Illinois_0.pdf - ICF – The Impact of Rapid Demand Growth on the U.S. Power System – ICF
https://www.icf.com/insights/energy/impact-rapid-demand-growth-us - U.S. Energy Information Administration (EIA) – Electric Power Annual: Average Price of Electricity to Ultimate Customers (Table 2.10) – U.S. Department of Energy
https://www.eia.gov/electricity/annual/html/epa_02_10.html - U.S. Energy Information Administration (EIA) – Electric Sales, Revenue, and Average Price: Residential Average Monthly Bill (Table 5A) – U.S. Department of Energy
https://www.eia.gov/electricity/sales_revenue_price/pdf/table_5A.pdf