Publications and Resources

Research Report - June 13, 2017

This first edition of the Utility Energy Efficiency Scorecard assesses the 51 largest US electric utilities across a range of energy efficiency metrics. The metrics fall into three categories critical to utility-sector efficiency: (1) quantitative savings and spending performance, (2)...

Research Report - June 06, 2017

Industrial customer opt-out is a policy that allows some large customers to opt out of or leave utility-sector energy efficiency programs. When a customer decides to opt out, it no longer participates in these programs and is exempt from paying the utility costs of running them. In this report,...

Research Report - May 08, 2017

The third biennial ACEEE City Energy Efficiency Scorecard measures the progress of city policies and programs that save energy while benefiting the environment and promoting economic growth. We ranked 51 large US cities for their energy efficiency efforts across 5 policy areas: local...

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...

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