Publications and Resources

Research Report - April 25, 2017

The adoption of intelligent efficiency applications is increasing across multiple sectors of the economy. This report analyzes over two dozen of these applications in the buildings, manufacturing, transportation, and government sectors. We describe the technologies involved, characterize their...

Research Report - March 28, 2017

Electricity markets in the southeast are facing many changes on the customer side of the meter. This report looks at how energy efficiency, photovoltaics (solar electricity), electric vehicles, heat pumps and demand response (shifting loads away from periods of high demand) might all affect...

Research Report - March 21, 2017

Residential electric rates are in a period of change as utilities in many regions of the country are experiencing flattening and declining sales. At the same time, technological advances are driving increased deployment of advanced metering, electric vehicles, and residential rooftop solar. All...

Research Report - February 27, 2017

Smart buildings use information and communication technologies to integrate building systems and to automate operations and control. They consume less energy than conventional buildings while enhancing occupants’ comfort and productivity. This report provides an in-depth look at various smart...

Research Report - February 22, 2017

This report updates ACEEE’s 2013 assessment of multifamily energy efficiency programs in US metropolitan areas with the most multifamily households. Using housing, policy, and utility-sector data from 2014 and 2015, we document how these programs have changed in the context of dynamic housing...

Research Report - January 11, 2017

In 2008 Maryland passed an energy efficiency resource standard requiring the state to reduce per capita energy consumption by 10% by 2015. In this report we review the costs and benefits of Maryland’s EERS policy with a focus on statewide benefits from utility-sector programs. We discuss and...

Research Report - December 14, 2016

ACEEE publishes greenercars.org, an annual consumer-oriented guide offering environmental ratings for every new model in the US light-duty vehicle market. This report covers the data issues, key assumptions, and analytical methods used to develop the vehicle ratings for greenercars.org. Based on...

Research Report - November 21, 2016

The great majority of gas and electric utility commercial customers are small businesses. Utility energy efficiency programs are beginning to tap the potential for energy and demand savings in the small business sector through innovative customer engagement and program design. Addressing...

Research Report - October 18, 2016

Behavior change programs are becoming a common method for reducing energy consumption and increasing energy efficiency. But what types of programs are out there, why do they work (or fail to work), and how effective are they? This report updates the 2013 ACEEE Field Guide to Utility-Run...

Research Report - October 12, 2016

Whole home retrofits aim to address the biggest residential energy issues. Their number has grown in recent years along with contractor and program experience in delivering successful retrofits. However the demand for these programs and their participation rates have not grown as much, and many...

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