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Evaluation studies help to verify and qualify the impact that programs are having on energy savings. These studies are relied upon to inform the planning and development of National Grid’s energy efficiency programs and services.

2021 Studies

2021 Rhode Island Commercial and Industrial Gas Load Shapes
2019 Commercial and Industrial Programs Free-Ridership and Spillover Study

2020 Studies

Rhode Island Commercial and Industrial Impact Evaluation of 2018 Custom Gas Installations
Rhode Island Commercial and Industrial Impact Evaluation of 2016 Custom Electric Installations
Impact Evaluation of 2017 Custom Gas Installations in Rhode Island
Rhode Island C&I Market Characterization Data Collection Study
2019 Rhode Island Strategic Energy Management Program and Savings Review

2019 Studies

Rhode Island Commercial and Industrial Impact Evaluation of 2013-2015 Custom CDA Installations
PY2016 Rhode Island Commercial and Industrial Small Business Initiative Impact Evaluation
Impact Evaluation of PY2016 Custom Gas Installations in Rhode Island

2018 Studies

Impact Evaluation of PY2015 Rhode Island Commercial and Industrial Upstream Lighting Initiative

2017 Studies

Gas Boiler Market Characterization Study Phase 2 - Final Report
Gas Boiler Market Characterization Study Phase 2 - Final Report
Prescriptive Commercial and Industrial Programable Thermostat Phase 2 Study
Steam Trap Evaluation Phase 2
Final Report on Energy Impacts of Commercial Building Code Compliance in Rhode Island
Impact Evaluation of 2014 Custom HVAC Installations
Impact Evaluation of PY2015 Massachusetts Commercial and Insdustrial Upstream Lighting Program
2016 Commercial and Industrial Programs Free-Ridership and Spillover Study (Draft)
2014 RI Custom Process Impact Evaluation

2016 Studies

Impact Evaluation of 2014 RI Prescriptive Compressed Air Installations
Impact Evaluation of 2012 National Grid-Rhode Island Prescriptive Chiller Program
Impact Evaluation of 2014 Custom Gas Installations in Rhode Island
Large Commercial and Industrial On-Bill Repayment Program Evaluation
Rhode Island Commercial Energy Code Compliance Study

2015 Studies

Rhode Island Small Business Energy Efficiency Program Prescriptive Lighting Study
Rhode Island C&I Natural Gas Free Ridership and Spillover Study
Retrofit Lighting Controls Measures Summary of Findings

2014 Studies

Impact Evaluation of National Grid Rhode Island Commercial and Industrial Upstream Lighting Program
Impact Evaluation of National Grid Rhode Island's Custom Refrigeration, Motor and Other Installations
Impact Evaluation of National Grid Rhode Island C&I Prescriptive Gas Pre-Rinse Spray Valve Measure
2013 Commercial and Industrial Programs Free-Ridership and Spillover Study

2013 Studies

Impact Evaluations of 2011-2012 Prescriptive VSDs
Process Evaluation of the 2012 Bright Opportunities Program
Impact Evaluation of 2010 Prescriptive Lighting Installations
Impact Evaluation of 2011 Rhode Island Custom Lighting Installations
Impact Evaluation of 2011 Rhode Island Prescriptive Retrofit Lighting Installations

2012 Studies

Project 15 Prescriptive Gas Program Evaluation Report
Commercial and Industrial Non-Energy Impacts Study
Impact Evaluation of 2010 Rhode Island Custom Process and Compressed Air Installations
2011 Commercial and Industrial Programs Free-ridership and Spillover Study
Impact Evaluation of 2010 and 2011 Rhode Island Custom Gas Installations

2011 Studies

C&I Unitary HVAC Load Shape Project
C&I Lighting Load Shape Project
Impact Evaluation of 2009 Custom HVAC and 2008-2009 Custom CDA Installations

2009 Studies

National Grid USA 2008 Custom Lighting Impact Evaluation
Commercial and Industrial