Constellation is one of the largest integrated energy suppliers in the US, providing electricity and natural gas to over 2.5 residential and commercial clients, including two-thirds of Fortune 100 companies. The company promotes renewable power, and offers energy management products and services for both homes and businesses. From energy procurement to energy efficiency and distributed energy solutions — the company helps its customers strategically buy, manage and use their energy.

Spark Energy, Inc. is an established and growing independent retail energy services company founded in 1999 that provides residential and commercial customers in competitive markets across the United States with an alternative choice for their natural gas and electricity. Headquartered in Houston, Texas, Spark currently operates in 16 states and serves 46 utility territories. Spark offers its customers a variety of product and service choices, including stable and predictable energy costs and green product alternatives.


The local electric company is the utility – that’s the company who owns the infrastructure, including the poles and power lines that deliver electricity to your home. They are who you call if your power goes out or there's an emergency. But in almost every city in Texas, you must choose another company to supply that energy, called a Retail Electric Provider (REP). These REPs, like Spark Energy, allow you to choose electricity plans that offer competitive prices and plans to meet your needs.
For 70 years, Plymouth Rock Energy has helped manage the energy needs of homes, multi-family residences, and commercial & industrial sites. Through their advanced price options and plan offerings, they remain committed to providing exceptional personal service and custom solutions to meet each specific need. They continue to expand to reach new markets throughout the U.S., garnering a positive reputation for exceptional prices, timely delivery and remarkable customer service.
Founded in 2005, Infinite Energy offers great rates and award-winning, U.S.-based customer care, and serving most of New Jersey. They offer contracts anywhere from one month to up to five years. Infinite Energy offers flexible payment plans, managing accounts through online portal, customizing plans and services, and paying bills online. Infinite Energy also offers paperless billing and autopay options.
Founded in 2005, Infinite Energy offers great rates and award-winning, U.S.-based customer care, and serving most of New Jersey. They offer contracts anywhere from one month to up to five years. Infinite Energy offers flexible payment plans, managing accounts through online portal, customizing plans and services, and paying bills online. Infinite Energy also offers paperless billing and autopay options.
With headquarters in Houston, Texas, Just Energy provides electricity and natural gas to more than 1.8 million customers in regions of Texas and about a dozen other states, as well as several Canadian provinces and parts of the United Kingdom. By creating energy-efficiency programs and encouraging the growth of green energy in America, Just Energy Texas gives its customers the opportunity to receive competitive supply rates and reduce their environmental impact.
However, the energy storage sector will continue its strong showing from 2016, with commissioned capacity set to exceed 1GW for the first time, Liebreich and McCrone say. “We predict a doubling of new capacity from this year’s 700MW to 1.5GW, almost all of it lithium-ion batteries. We are going to see a further reduction in battery prices of at least 15% this year, after a 70% reduction in the past five years.”
ElectricityPlans lets you easily compare electricity plans by displaying all-inclusive rates at all advertised usage levels in a simple easy-to-read format. You can easily estimate your actual all-in electric bill at any given usage level using our Plan Details and Pricing section for each plan. All energy charges, delivery fees, bill credits, and other fees for each plan are shown so you can accurately estimate your monthly electric bill. By showing all rates and fees, you’ll avoid the electric bill sticker shock and so-called “teaser rates” commonly used by electric suppliers to achieve better search results on sites such as powertochoose.org.
Residential real-time pricing customers pay electric supply prices that vary by the hour. To make a meaningful comparison between variable RRTP rates and RES offers, customers should compare their past electric supply cost savings from the total Electric Supply section of the bill, provided by their RRTP provider, with an electric supply cost savings estimate provided by RESs. Alternatively, customers can compute their average real-time hourly price in cents per kWh (each month the average real-time price is equal to the total of the Electric Supply section of the bill divided by the monthly kWh) to compare with RES offers posted in cents per kWh. Customer should bear in mind, however, that because RRTP rates vary over time, past savings do not predict future savings, but only serve as a guide to compare past performance.

SFE Energy is a division of a multi-million dollar international corporation that services hundreds of thousands of electricity, natural gas, and home services customers across the Northeastern United States and Canada. SFE Energy’s parent company, Summitt Energy, opened its doors in 2006, thriving in one of the most competitive and highly regulated energy markets in North America. SFE Energy is a leading competitive supplier of electricity & natural gas for homes and businesses, and one of the largest privately-held retail energy companies in North America.


When comparing electric generation suppliers you need to know the Annual Price-to-Compare and the Average Annual Cost (cents per kilowatt hour or kWh for short) that a supplier must beat (compared to DP&L's standard offer rate) in order for you to save money. In other words, the Annual Price-to-Compare is the amount that you no longer have to pay to DP&L when you choose an alternate electric generation supplier.
The offer information on the following pages is provided and maintained by Retail Electric Suppliers (RESs). While the ICC does not warrant that the information is a complete list of all residential offers in Illinois, RESs are required to honor prices listed here as a condition of posting their offers on this site. The ICC does not endorse or recommend any particular RES.
Not only does Amigo Energy feature useful resources on our blog, but we have the right technology to help you track your residential electricity usage and take actions that may help with energy savings. We offer the latest technology (phone apps, smart thermostats, and even smart sprinklers) so you can worry less about your electric bill and focus on what really matters in life.
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