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Publications
April 2017
Electric Companies Are Investing in a Clean Energy Future: Top 10 Things You Should Know
Electric companies are committed to investing in a clean energy future.  In 2016, one-third of all electricity generated nationwide came from zero-emission sources like nuclear, hydropower, wind, and solar.  Carbon dioxide emissions from electricity generation were nearly 25 percent below 2005 levels at the end of 2016.  Investments in wind and solar energy accounted for two-thirds of all electricity capacity additions in the U.S. in 2016. 
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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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September 2016
Grid Modernization 101: Top 10 Things You Should Know
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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September 2016
Smart Meters At A Glance
This informative and visually stimulating infographic produced by IEI provides easy to understand facts and figures on how the more than 65 million smart meters installed in the U.S. are helping to build a smarter energy infrastructure.
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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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November 2015
Electric Utility Customer-Funded Energy Efficiency Savings, Expenditures, and Budgets (2014)
A new study by IEI found that electric utility efficiency programs saved 155 TWh of electricity in 2014, enough to power 14.7 million homes for one year, and avoided the generation of 107 metric tons of carbon dioxide emissions. The study also revealed that electric efficiency expenditures totaled nearly $7.3 nationwide in 2014, a 13-percent increase from 2013 levels.
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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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