Potential Studies

2024 Joint Potential Study

In 2024, a joint potential study and baseline study was finalized for Ameren Illinois, ComEd, and Nicor Gas:

• Illinois Baseline and Potential Study: Prepared for the Joint Utility, ComEd, Ameren Illinois, and Nicor Gas (Final Dec. 13, 2024)
• 2023-2024 Illinois Baseline Study: Nonresidential Baseline Results (Final Oct. 31, 2024)
  • 2023-2024 Illinois Nonresidential Baseline Study Results (Excel)
• 2023-2024 Illinois Baseline Study: Residential Baseline Results (Final Oct. 31, 2024)
  • 2023-2024 Illinois Residential Baseline Study Online Survey Results (Excel)
• GDS Associates Memo to ComEd, Ameren Illinois and Nicor Gas: Baseline and Potential Study Report Addendum (January 6, 2025)

Ameren Illinois

2010 Potential Study:

• Volume I: Assessment of Potential
• Volume II: Appendices

2013 Potential Study:

• Volume 1: Executive Summary
• Volume 2: Market Research Report
• Volume 3: Energy Efficiency Potential Analysis
• Volume 4: Program Analysis (Draft)
• Volume 5: Supply Curves

2016 Potential Study:

• Volume 1: Executive Summary
• Volume 2: Market Research Report
• Volume 3: Energy Efficiency Potential Analysis
• Volume 4: Appendices

ComEd

2010 Potential Study:

• Assessment of EE and Load Management Potential, 2011-2016, Cadmus: Volume I

2013 Studies:

• ComEd Residential Saturation / End-Use, Market Penetration & Behavioral Study (Opinion Dynamics, April 2013)
• Energy Efficiency Potential Study (2013-2018), ICF International, August 2013

2016 Potential Study:

• ComEd Energy Efficiency Potential Study, 2017-2030 Final Report, ICF International and Opinion Dynamics Corp., May 2016

2020 Studies:

• ComEd Baseline Study (Itron, August 2020)
• ComEd Energy Efficiency Potential Study: A Comprehensive Assessment of 2021 – 2030 Net Economic Opportunities (Dunsky, August 2020)

IL Department of Commerce and Economic Opportunity

2013 Potential Study:

• Public Sector & Low Income Energy Efficiency Potential Study Presentation (Energy Resources Center; August 2013)

2016 Potential Study:

• Illinois Public Sector and Low Income Housing Energy Efficiency Potential Study (Energy Resources Center, May, 2016)

Nicor Gas

2010 Potential Study:

• Part I
• Part II

Peoples Gas and North Shore Gas

2013-2015 Potential Studies:

• Peoples Gas (May 2013)
• North Shore Gas (May 2013)
• Peoples Gas (November 2014)
• North Shore Gas (November 2014)
• Peoples Gas (February 2015)
• North Shore Gas (February 2015)

2016 Potential Studies:

• Peoples Gas Potential Study – Program Years 7, 8, and 9 (March 2016)
• North Shore Gas Potential Study – Program Years 7, 8, and 9 (March 2016)

2020 Potential Study:

• Peoples Gas and North Shore Gas Market Potential Study (Applied Energy Group – February 17, 2021)