Final evaluation research memos are posted on this page, organized by utility. Evaluation research memos summarize research completed by independent evaluators. Draft evaluation memos can be found on the Draft Evaluation Materials page.
Evaluation Research for Ameren Illinois
- Evaluator Memo: Supporting Documentation for Ameren IL and ComEd Voltage Optimization TRM Measure (Oct. 8, 2020)
- Memo to Ameren IL: HVAC Initiative Participant Survey and Trade Ally Survey Process Results (Sept. 21, 2020)
- Memo to Ameren IL: 2019 Ameren Illinois Building Operator Certification Evaluation Lessons Learned (Aug. 24, 2020)
- Memo to Ameren IL: Standard Initiative Small Business Offering 2019 Survey Results (July 9, 2020)
- Memo to Ameren IL: Income Qualified Initiative Single Family Site Visit Findings (July 10, 2020)
- Illinois DSM Portfolio Non-Energy Impacts Economic Analysis (ComEd and Ameren IL)
- Memo to Ameren IL: AIC Income Qualified Initiative, Community Action Agency Interview Findings (Feb. 24, 2020)
- Memo to Ameren Illinois: Literature Review Findings for Negative Non-Energy Impacts (Opinion Dynamics, Feb. 10, 2020)
- Memo to Ameren IL: 2018 NEI Baseline Assessment Summary and Findings (Feb. 10, 2020)
- Memo to Ameren IL: Strategic Energy Management Program Evaluability Assessment (Feb. 6, 2019)
- NTG Memo: Appliance Recycling Initiative Participant and Retailer Survey Results (July 31, 2019)
- Ameren IL Smart Thermostat Customer Preference Study Results (Oct. 11, 2019)
- Ameren IL 2018 Behavioral Modification Initiative Persistence Study - Year One (Oct. 21, 2019)
- Memo to Ameren IL: Final Findings from Small Business General Population Survey (Jan. 12, 2018)
- Memo to Ameren IL and ComEd: Home Energy Report Weather Normalization Study Final Analysis Results (January 22, 2018)
- Memo to Ameren IL: Residential HVAC Metering Study Results (Feb. 28, 2018)
- Illinois Statewide Residential LED Hours of Use Study – Additional Results (April 2018)
- Illinois Statewide Residential LED Hours of Use Study – Exterior and Specialty Bulb HOU (April 2018)
- Ameren IL PY9 Residential Nonparticipant Customer Survey Results Memo (August 14, 2018)
- Memo to Ameren IL: PY9 Student Energy Efficient Kit Program Household Survey Results (September 4, 2018)
- Small Business Program Ally Memo (Ameren IL)
- Memo to Ameren IL: Strategic Energy Management Literature Review Findings (Oct. 2, 2018)
- Memo to Ameren IL: HVAC Program - PY7 Incremental Cost Analysis Update (Feb. 3, 2017)
- Memo to Ameren IL: Residential Nonparticipant Customer Survey Results Memo (Feb. 28, 2017)
- Memo to Ameren IL: 2012 In-Home Lighting Assessment (Feb. 19, 2013)
- Memo to Ameren IL: Thermostat Assessment for Cooling Savings (Feb. 21, 2013)
- Memo to Ameren IL: Effective Useful Life for Behavioral Programs (March 11, 2013)
- Memo to Ameren Illinois: Evaluation Methods for Combined Heat and Power (April 25, 2013)
- Memo to Ameren IL: In-Store Intercept Free Ridership Additional Information (May 16, 2013)
- Memo from Opinion Dynamics and Cadmus to Ameren Illinois and ICC Staff regarding AIC Heating and Cooling Program PY5 Dual Replacement Contractor Study (July 22, 2013)
- Ameren IL Program Year 2 Customer Survey Questions (Feb. 20, 2009)
- Illinois Statewide Residential LED Hours of Use Study Results (December 2017)
- Memo to Ameren IL: Voltage Optimization CVRf Analysis Results (June 16, 2020)
- Memo from Opinion Dynamics to Ameren Illinois: Cognitive Pretest Results of the AIC Income Qualified Participant Non-Energy Impacts Survey (Dec. 4, 2020)
- Ameren IL Empower Communities Study Community Leader Interview Guide (Aug. 2021)
- Memo to Ameren IL: 2019 Economic and Employment Impact Analysis (Sept. 13, 2021)
Evaluation Research for ComEd
- ComEd Advanced Thermostat Evaluation Research Report (Nov. 10, 2020)
- Memo from Navigant to ComEd: Effective Useful Life (EUL) Research for Commercial LED Fixtures (Jan. 27, 2020)
- Memo from Navigant to ComEd: Effective Useful Life (EUL) Research for Retrofit Add-on Measures (Jan. 27, 2020)
- ComEd Advanced Thermostats Research: 2018 Participant Survey Results (Jan. 21, 2020)
- Memo from Navigant to ComEd: Effective Useful Life (EUL) Research for LED Street Lighting Measures (Jan. 27, 2020)
- ComEd Home Energy Report Program Decay Rate and Persistence Study – Year Five Research Report (Feb. 4, 2020)
- Memo to ComEd: EUL Research CY2020 Commercial Behavioral Contingent Measures (May 1, 2020)
- ComEd PY9 Nest Seasonal Savings Program Combined Evaluation (Feb. 6, 2019)
- ComEd Home Energy Report Program Combined Evaluation (Feb. 6, 2019)
- ComEd PY9 Residential Lighting Discounts Program Combined Evaluation (Feb. 14, 2019)
- ComEd PY9 Heating, Cooling and Weatherization Rebates Program Combined Evaluation (Feb. 14, 2019)
- ComEd C&I Custom SMART Screening Pilot Report (June 17, 2019)
- Memo from Navigant to ComEd: Effective Useful Life for Retro-Commissioning and Behavior Programs (Sept. 17, 2019)
- ComEd Smart Thermostat Customer Preference Study Results (Oct. 11, 2019)
- Evaluator Memo: Supporting Documentation for Ameren IL and ComEd Voltage Optimization TRM Measure (Oct. 8, 2020)
- Illinois DSM Portfolio Non-Energy Impacts Economic Analysis (ComEd and Ameren IL)
- Memo to Ameren IL and ComEd: Home Energy Report Weather Normalization Study Final Analysis Results (January 22, 2018)
- Illinois Statewide Residential LED Hours of Use Study – Additional Results (April 2018)
- Illinois Statewide Residential LED Hours of Use Study – Exterior and Specialty Bulb HOU (April 2018)
- Persistence of Savings from Retro-Commissioning Measures, a Field Study of Past ComEd Retro-Commissioning Projects by Seventhwave (June 13, 2018)
- Persistence of Savings from Retro-Commissioning Measures - A field study of past ComEd Retro-Commissioning Projects (Seventhwave, June 13, 2018)
- Memo to ComEd: Nest Seasonal Savings Survey Results Memo (June 26, 2018)
- ComEd and Nicor Gas Air Sealing and Insulation Research Report (Sept. 24, 2018)
- ComEd Advanced Thermostat Evaluation Research Report (Nov. 2, 2018)
- ComEd Home Energy Report Program Decay Rate and Persistence Study - Year 3 (November 14, 2017)
- Illinois Statewide Residential LED Hours of Use Study Results (December 2017)
- Memo to ComEd: PY8 Results for the C3 Home Energy Reports Program (Oct. 24, 2016)
- Memo from Navigant to ComEd regarding Revenue Neutral Model of Free Ridership (April 23, 2013)
- Memo from Guidehouse to ComEd: Small Commercial Thermostats TRM Research (May 26, 2020)
- Memo to ComEd: ComEd EUL Research CY2020 Commercial Behavioral and Operations and Maintenance Measures EUL Values Delphi Panel Final Outcomes (Dec. 18, 2020)
Evaluation Research for Nicor Gas
- ComEd and Nicor Gas Air Sealing and Insulation Research Report (Sept. 24, 2018)
- Nicor Gas Behavioral Energy Savings Programs: Home Energy Reports Persistence Study Part 2 (April to Sept. 2015)
- Research Report from Navigant to Nicor Gas: PY1 Furnace Metering Study (August 1, 2013)
- Memo from Navigant to Nicor Gas: Behavioral Energy Savings Program August 1st Fact Track Evaluation Memo (October 1, 2013)
- Memo from Navigant to Nicor Gas: GPY2 Evaluation of the Business Performance with Energy Star Pilot (Oct. 4, 2013)
- Memo from Guidehouse to Nicor Gas: Recommended Non-Energy Impacts for Peoples Gas’ Cost-Effectiveness Tests (Feb. 19, 2021)
Evaluation Research for Peoples Gas and North Shore Gas