Reports
March 2020
Energy Efficiency Trends in the Electric Power Industry (2008-2018)
Adam Cooper, Mike Shuster, and Lorraine Watkins
This report explores how energy efficiency (EE) programs are a win-win, helping customers to save energy and electric companies to reduce their carbon emissions. In 2018 EE programs saved 211 TWh of electricity, avoided the generation of 149 million metric tons of carbon dioxide, and saved enough electricity to power 26 million U.S. homes for one year. IEI believes that EE expenditures and savings will continue to grow over the next decade as long as participation in EE programs remains an easy option for customers. 
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December 2019
Electric Company Smart Meter Deployments: Foundation for a Smart Grid (2019 Update)
Adam Cooper and Mike Shuster
This report provides examples of how electric companies are leveraging information to improve grid operations, integrate distributed energy resources, and provide new customer solutions from more than 88 million smart meters deployed in the U.S. through end of 2018, covering nearly 70 percent of U.S. households. Based on survey results and approved plans, estimated deployments are expected to reach 98 million smart meters by the end of 2019 and 107 million by year-end 2020. 
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November 2018
Electric Vehicle Sales Forecast and the Charging Infrastructure Required Through 2030
Adam Cooper (IEI) and Kellen Schefter (EEI)
The transition to electric vehicles (EVs) is well underway with more than 1 million EVs on U.S. roads as of October 2018. Automakers are responding to customer demand and are developing more EV models, including both plug-in hybrid electric vehicles (PHEVs) and battery electric vehicles (BEVs), that are increasingly cost-competitive with internal combustion engines. Electric transportation is a win-win. It meets customer needs, provides environmental benefits, and supports America’s energy security.
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May 2017
Grid Modernization Technologies: Key Drivers of a Smarter Energy Future
Jonathan Blansfield and Adam Cooper
Grid Modernization is a key area of debate and discussion in the electric power industry.  Increasingly, states and electric companies and evaluating how best to deploy smarter energy infrastructure to achieve operational benefits and deliver customer value. This white paper discusses the "why" and the "how" of Grid Modernization, in terms of the technology and smarter energy infrastructure that electric companies have deployed to date.  Improved resiliency, reliability, and security; distributed energy resource integration and management; and improved grid efficiency and optimization are all driving investment in smarter energy infrastructure, including advanced metering infrastructure, technologies to improve power quality and power flow optimization technologies; and distribution automation and advanced outage management systems. 
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April 2013
Forecast of On-Road Electric Transportation in the U.S. (2010-2035)
This report provides a forecast of electricity use in transportation from 2010 to 2035 based on the progressive adoption of electric vehicles, primarily electric light duty and commercial vehicles. The report develops multiple scenarios to assess a range of transportation electrification opportunities from 5-35 million EVs on the road by 2035, depending on advances in battery technology.
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March 2013
Factors Affecting Electricity Consumption in the U.S. (2010-2035)
In the coming decades, many factors will affect electricity consumption in the United States. This report examines the potential effects of three key factors on electricity consumption: 1) improvements to building energy codes and appliance/equipment efficiency standards; 2) growth in ratepayer-funded electric efficiency programs; and 3) electrification of the transportation.
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Reports Archive
March 2019
Energy Efficiency Trends in the Electric Power Industry (2008-2017)
Adam Cooper and Lorraine Watkins
December 2017
Energy Efficiency Trends in the Electric Power Industry
Adam Cooper
December 2017
Electric Company Smart Meter Deployments: Foundation for a Smart Grid
Adam Cooper
June 2017
Plug-In Electric Vehicle Sales Forecast Through 2025 and The Charging Infrastructure Required To Support PEVs
Adam Cooper (IEI) and Kellen Schefter (EEI)
October 2016
Electric Company Smart Meter Deployments Foundation for A Smart Energy Grid
December 2014
State Electric Efficiency Regulatory Frameworks
January 2013
Evaluation of Best-in-Class LED Reflector Lamps
September 2014
Utility-Scale Smart Meter Deployments: Building Block of the Evolving Grid
8/12/2016
Utility-Scale Smart Meter Deployments: A Foundation for Expanded Grid Benefits
July 2013
State Electric Efficiency Regulatory Frameworks
July 2012
State Electric Efficiency Regulatory Frameworks
May 2012
Utility-Scale Smart Meter Deployments, Plans, and Proposals
February 2012
Best-in-Class LED Reflector Lamps Summary Report
August 2011
Integrating Codes and Standards into Electric Utility Energy Efficiency Portfolios
July 2011
The Costs and Benefits of Smart Meters for Residential Customers
December 2009
Assessment of Electricity Savings in the U.S. Achievable through New Appliance/Equipment Efficiency Standards and Building Efficiency Codes (2010 - 2020)
June 2009
Moving Toward Utility-Scale Deployment of Dynamic Pricing in Mass Markets
June 2009
Compilation of U.S. Energy Efficiency Program Profiles
May 2009
Jump-Starting Your EE Portfolio: Quick Start, Quick Return Energy Efficiency Programs
April 2009
Making the Business of Energy Efficiency Both Scalable and Sustainable
Lisa Wood and Roland Risser
November 2008
Transforming America's Power Industry: The Investment Challenge (2010-2030)
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