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Publications
June 2018
Energy Efficiency Policies and Savings by State
Electric company customer-funded energy efficiency (EE) programs saved 183 terawatt-hours (TWh) of electricity in 2016, avoided the generation of 136 million metric tons of carbon dioxide, and are very cost effective.
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April 2018
IEI National Dialogue: Residential Customer Energy Solutions
This dialogue discussed emerging topics in customer energy solutions, including (1) next generation energy efficiency; (2) integrated energy solutions; and (3) the distribution grid as an energy services platform.
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April 2018
Electric Companies Are Investing in a Clean Energy Future: 10 Things You Should Know
Electric companies are committed to investing in a clean energy future.  In 2017, one-third of all electricity generated nationwide came from zero-emission sources like nuclear, hydropower, wind, and solar.  Carbon dioxide emissions from electricity generation is 27 percent below 2005 levels at the end of 2017.  Investments in wind and solar energy accounted for 56 percent of all electricity capacity additions in the U.S. in 2017. 
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February 2018
Accelerating Electric Vehicle Adoption
Kellen Schefter & Becky Knox
Given the value of EVs and the integral role that electric companies play, policies that enable electric company involvement and investment in the EV market will result in value to customers, greater access to EVs for more customers, more efficient use of the energy grid, and an accelerated transition to an electric transportation future.
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February 2018
The Role of Electric Companies in Providing Distributed Energy Resources and Other Energy Services
This issue brief presents the fundamental reasons why electric companies should be able to offer energy services beyond electricity supply and energy grid services directly to customers and to participate in competitive markets for these services.
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February 2018
Executive Summary: The Role of Electric Companies in Providing Distributed Energy Resources and Other Energy Services
This executive summary highlights key topics of discussion in the full issue brief: The Role of Electric Companies in Providing Distributed Energy Resources and Other Energy Services.
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January 2018
Examples of Smart Communities in Action: Electric Companies Play a Leading Role
Smart communities are built on smarter energy infrastructure and leverage the power of data and technology to improve sustainability, spur economic development, help drive efficiencies, and enhance the overall quality of life for their citizens. This summary focuses on specific opportunities where communities and electric companies can collaborate to make communities smarter.
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December 2017
Energy Efficiency Trends in the Electric Power Industry: Top 10 Things You Should Know
This issue brief lists the top ten things you should know about energy efficiency programs. For instance, did you know that electric company customer-funded efficiency programs saved 183 TWh of electricity in 2016?
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December 2017
Smart Meters At A Glance
This infographic shows how electric companies are leveraging the 76 million smart meters deployed in the U.S. through end of 2017.
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November 2017
Getting Ready for the Growing EV Market
This document provides a forecast for Plug-In Electric Vehicle (PEV) sales and charging infrastructure, and an insight into carbon dioxide emissions by the electric power versus transportation sectors.
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September 2017
Grid Modernization Technologies Today
This document describes why and how electric companies are modernizing the energy grid. Improvements to the Advanced Metering Infrastructure (AMI), power flow management, distribution automation and outage management systems, and data analytics contribute to a more efficient and higher quality electric infrastructure.
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May 2017
Top 10 Things You Should Know About Developing Smarter Energy Infrastructure
This fact sheet describes at a high level how the electric power industry is modernizing and investing in the energy grid, the drivers making modernization essential, the amount being spent on grid modernization, and some key outcomes to date. In 2016, electric companies are expected to invest $32 billion in the distribution system to make the energy grid smarter, safer, cleaner, more dynamic, more reliable, and more secure.
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November 2016
IEI National Dialogue: Clean Energy Future Through Partnerships Key Takeaways
This dialogue focused on trends in clean energy integration, distribution grid management, and the business of energy storage. As a result, IEI identified 10 key takeaways and questions for the future.
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November 2016
IEI National Dialogue: Data Analytics and Access Key Takeaways
This dialogue addressed advancements and challenges in using data to better operate the energy grid, integrate distributed energy resources, provide services to customers, and develop new business opportunities.  As a result, IEI identified 10 key takeaways and questions for the future.
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August 2016
IEI National Dialogue: Digital and Distributed Grid Key Takeaways
IEI held its first National Dialogue Series meeting at American Electric Power headquarters in Columbus, OH on July 20, 2016. The dialogue focused on drivers behind a more digital and distributed grid, how the growth in DERs is changing the role of the grid, and what the future might look like. As a result, IEI identified 10 key takeaways and questions for the future.
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June 2016
Why Net Energy Metering Results in a Subsidy: The Elephant in the Room IEI Issue Brief
The debate surrounding energy metering (NEM) and the appropriate way to reform this policy is under scrutiny in many states around the U.S. This is highly warranted since NEM policies do indeed need reforming. Fundamentally, the elephant in the room is that NEM customers do not pay their share of the cost of grid services they use and this cost can be substantial.
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September 2014
Bright Tucson Community Solar Program
Tucson Electric Power (TEP) is the country's first investor-owned utility to offer a program that allows customers to purchase energy from a local solar array. This IEI case study details the Bright Tucson Community Solar program, including the value proposition to customers, results, future plans, key factors for success, and the advantages of community solar.
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September 2014
Net Energy Metering: Subsidy Issues and Regulatory Solutions
As distributed generation (DG)  grows and comprises a larger share of the nation's power resources, it is critical that these resources are priced appropriately and that subsidies that support them are transparent to customers, regulators, legislators, solar providers, and DG advocates. This issue brief illustrates the subsidy created by current state net energy metering practices and reveals the need to modify these practices sooner rather than later.
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Executive Summary
October 2013
Value of the Grid to DG Customers
This paper describes how a distributed generation (DG) customer (or a micro grid) that is connected to a host utility's distribution system 24/7 utilizes grid services on a continuous, ongoing basis and details the benefits and value of grid services to DG customers and the consequences resulting from DG customers pushing fixed grid costs onto non-DG customers.
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