Issue Briefs
April 2024
Electric Companies Are Committed to a Clean Energy Future: 10 Things You Should Know
Electric companies are committed to investing in a clean energy future. In 2023, more than 40% of all U.S. power generation came from carbon-free sources like nuclear, hydropower, wind, and solar energy. Carbon dioxide emissions from electricity generation have been declining for the last decade and were 41 percent below 2005 levels at the end of 2023. Wind and solar energy accounted for 67 percent of all electricity capacity additions in the United States in 2023.
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March 2024
Energy Efficiency Trends in the Electric Power Industry: Top 10 Things You Should Know (2024 Update)
This factsheet uses the most recent data to identify the top 10 trends in energy efficiency (EE) in the electric power industry through 2022. For instance, EE programs saved 241 TWh of electricity in 2022 and saved enough electricity to power 33 million U.S. homes for one year.
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May 2023
Smart Meters At A Glance (2023 Update)
This factsheet details why smart meters continue to be an important technology for the electric power industry. Smart meters enable more rapid two way communications between electric companies and their customers, enhance grid resiliency and provide new services for customers. In 2021, 73% of homes and businesses had a smart meter. It is projected that there will be 135 million smart meters installed by 2025, a 71% increase since 2017.
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April 2023
Electric Companies Are Committed to a Clean Energy Future: 10 Things You Should Know
Electric companies are committed to investing in a clean energy future. In 2022, more than 40% of all U.S. power generation came from carbon-free sources like nuclear, hydropower, wind, and solar energy. Carbon dioxide emissions from electricity generation have been declining for the last decade and were 36 percent below 2005 levels at the end of 2022. Wind and solar energy accounted for 75 percent of all electricity capacity additions in the United States in 2022.
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February 2023
Energy Efficiency Trends in the Electric Power Industry: Top 10 Things You Should Know (2023 Update)
This factsheet uses the most recent data to identify the top 10 things you should know about energy efficiency (EE) trends in the electric power industry through 2021. For instance, EE programs saved 237 TWh of electricity in 2021 and saved enough electricity to power 33 million U.S. homes for one year.
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December 2022
Designing 100 Percent Carbon-free Energy Solutions: Preferences, Challenges, and Pathways Forward
This issue brief explores the current state of corporate customer demand for time-matched 100 percent carbon-free energy (CFE) solutions, the attributes of these solutions that matter most to customers, challenges with electric companies scaling solutions to a broad set of customers as a regulated, tariff offering, possible designs, and data needed to design, evaluate, and implement hourly CFE solutions.
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December 2022
Executive Summary: Designing 100 Percent Carbon-free Energy Solutions: Preferences, Challenges, and Pathways Forward
This issue brief explores the current state of corporate customer demand for time-matched 100 percent carbon-free energy (CFE) solutions, the attributes of these solutions that matter most to customers, challenges with electric companies scaling solutions to a broad set of customers as a regulated, tariff offering, possible designs, and data needed to design, evaluate, and implement hourly CFE solutions.
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April 2022
Electric Companies Are Committed to a Clean Energy Future: 10 Things You Should Know
Electric companies are committed to investing in a clean energy future. In 2021, 40 percent of all electricity generated nationwide came from zero-emission sources like nuclear, hydropower, wind, and solar. Carbon dioxide emissions from electricity generation were 36 percent below 2005 levels at the end of 2021. In 2021, investments in wind and solar energy accounted for 81 percent of all electricity capacity additions in the U.S.
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April 2022
Smart Meters At A Glance
This infographic shows how electric companies are leveraging the estimated 124+ million smart meters to be deployed in the U.S. through the end of 2022.
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October 2021
Energy Efficiency Trends in the Electric Power Industry: Top 10 Things You Should Know (2021 Update)
This factsheet uses the most recent data to identify the top 10 things you should know about energy efficiency (EE) trends in the electric power industry through 2020. For instance, EE programs saved 232 TWh of electricity in 2020 and saved enough electricity to power 30 million U.S. homes for one year.
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April 2021
Electric Companies Are Committed to a Clean Energy Future: 10 Things You Should Know
Electric companies are committed to investing in a clean energy future.  In 2020, 40 percent of all electricity generated nationwide came from clean, carbon-free sources like nuclear, hydropower, wind, and solar.  Carbon dioxide emissions from electricity generation were 40 percent below 2005 levels at the end of 2020.  Investments in wind and solar energy accounted for 75 percent of all electricity capacity additions in the U.S. in 2020.
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December 2020
Smart Meters at a Glance
This infographic shows how electric companies are leveraging the more than 99 million installed smart meters in the United States, covering nearly 75 percent of U.S. households as of year-end 2019. Deployments are estimated to reach 107 million smart meters by the end of 2020 and 115 million by year-end 2021.
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October 2020
Electric Company Green Tariff Programs Update
Over the past year, an increasing number of electric companies have developed regulated, subscription-based renewable energy offerings (often called "green tariffs"), which provide customers streamlined, low-risk access to clean energy solutions that support their sustainability goals. However, green tariffs only account for 4 percent of total U.S. renewable energy capacity today and have room to grow.
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June 2020
What's Working to Support Customers During COVID-19
20 senior executives from 13 electric companies and 6 technology companies gathered to discuss IEI's continued focus on residential customer services and solutions. The dialogue ranged among rethinking energy efficiency programs, to identifying trends in energy management & clean energy solutions, to achieving excellence in customer service.
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April 2020
Electric Companies Are Committed to a Clean Energy Future: 10 Things You Should Know (2020 Update)
Electric companies are committed to investing in a clean energy future. In 2019, nearly 40 percent of all electricity generated nationwide came from zero-emission sources like nuclear, hydropower, wind, and solar. Carbon dioxide emissions from electricity generation were 33 percent below 2005 levels at the end of 2019. Investments in wind and solar energy accounted for 61 percent of all electricity capacity additions in the U.S. in 2019.
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March 2020
Energy Efficiency Trends in the Electric Power Industry: Top 10 Things You Should Know
This factsheet uses the most recent data to identify the top 10 things you should know about energy efficiency (EE) trends in the electric power industry through 2018. For instance, EE programs saved 211 TWh of electricity in 2018 and saved enough electricity to power 26 million U.S. homes for one year.
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March 2020
Creating a Seamless Residential Customer Experience
20 senior executives from 13 electric companies and 6 technology companies gathered in Washington, DC to discuss IEI's continued focus on residential customer services and solutions. The dialogue ranged among rethinking energy efficiency programs, to identifying trends in energy management & clean energy solutions, to achieving excellence in customer service.
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December 2019
Electric Company Green Offerings Are Evolving For Corporate Customers
This infographic provides 10 facts on how electric companies are increasing the size of their green offerings to meet growing corporate customer sustainability goals.
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December 2019
Smart Meters At A Glance
This infographic shows how electric companies are leveraging the more than 88 million installed smart meters in the United States, covering nearly 70 percent of U.S. households as of year-end 2018. Deployments are estimated to reach 98 million smart meters by the end of 2019.
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November 2018
Emerging Energy Solutions for Customers
Seventeen senior leaders from five electric companies and nine technology companies gathered in Denver to discuss emerging energy solutions for customers, including (1) improving large commercial and industrial customer engagement; (2) trends in residential customer energy management; and (3) integrating customer solutions.
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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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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
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
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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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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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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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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IEI_NEM_Subsidy_Issues_FINAL
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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Issue Briefs Archive
April 2023
Electric Companies Are Committed to a Clean Energy Future: 10 Things You Should Know
December 2020
Smart Meters at a Glance
April 2019
Electric Companies Are Committed to a Clean Energy Future: 10 Things You Should Know
March 2019
Smart Meters At A Glance
March 2019
Energy Efficiency Trends in the Electric Power Industry: Top 10 Things You Should Know
September 2018
Electric Companies Are Investing in a Clean Energy Future: 10 Things You Should Know
December 2017
Energy Efficiency Trends in the Electric Power Industry: Top 10 Things You Should Know
December 2017
Smart Meters At A Glance
November 2016
Electric Companies Are Investing in a Clean Energy Future: Top 10 Things You Should Know
September 2016
Smart Meters At A Glance
November 2015
Electric Utility Customer-Funded Energy Efficiency Savings, Expenditures, and Budgets (2014)
August 2014
The 21st Century Grid: The Utility's Role. A Powering the People Colloquy
August 2014
Ensuring an Affordable, Reliable, Secure, and Clean Energy Future. A Powering the People Colloquy
April 2014
Best-In-Class LEDs: How Utilities Can Use These Recommendations
September 2013
Energy Efficiency: A Growing Utility-Business Solutions to Reliability, Affordability, & Sustainability
August 2013
Transforming Transportation with Electricity: A Conversation. A Powering the People Conversation
June 2013
Technology As a Game Changer: Future Trends in Electricity. A Powering the People Colloquy
March 2013
Summary of Customer Funded Electric Efficiency Savings, Expenditures, and Budgets (2011 - 2012)
September 2012
Green Button: One Year Later
January 2012
Summary of Ratepayer-Funded Electric Efficiency Impacts, Budgets, and Expenditures (2010 - 2011)
January 2011
Summary of Ratepayer-Funded Electric Efficiency Impacts, Expenditures, and Budgets (2009 - 2010)
May 2010
Updated Summary of Ratepayer-Funded Electric Efficiency Impacts, Expenditures, and Budgets (based on CEE/IEE Industry Database)
February 2010
Alternative Financing Mechanisms for Energy Efficiency
December 2009
Summary of IOU Administered Residential Customer Dynamic Pricing Pilots & Programs by State
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