Trystan Casey
Illinois residents are facing surging electricity costs as demand outpaces supply, with the state's two largest electric utilities, ComEd and Ameren, increasing their rates by 53% and 47% respectively. This surge in electric demand can be attributed to the rapid growth of AI data centers, the shift towards electrification, and the increasing adoption of electric vehicles. The retirement of old fossil fuel power plants and delays in new renewable energy projects have further widened the gap between supply and demand, putting pressure on electricity prices. These factors have resulted in higher bills for customers, who are now seeking ways to minimize the impact of rising costs.
| Characteristics | Values |
|---|---|
| Reason for Electric Surge | Rapid growth of AI data centres, adoption of electric vehicles, and an overall shift to electrification in homes and businesses |
| Retirement of old fossil fuel power plants and delays in new renewable energy projects | |
| Impact | Higher electricity bills for customers |
| Energy Companies Impacted | Ameren |
| ComEd | |
| Rate Hike | Ameren: 47% increase from 0.08277 to 0.12180 cents/kWh |
| ComEd: 53% increase from 0.06552 to 0.10028 cents/kWh |
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What You'll Learn
Illinois electricity prices surge
Illinois has seen a massive surge in electricity prices, with the state's two largest electric utilities, ComEd and Ameren, implementing substantial rate hikes effective June 1, 2025. ComEd's rates increased by 53%, from 0.06552 to 0.10028 cents/kWh, while Ameren's rates went up by 47%, from 0.08277 to 0.12180 cents/kWh. These price increases are primarily due to soaring capacity charges, which are fees paid to ensure enough power is available during peak demand periods.
The rapid growth of AI data centres, the shift to electric vehicles, and increased electrification in homes and businesses have all contributed to the rising demand for electricity. At the same time, the retirement of old fossil fuel power plants and delays in new renewable energy projects have widened the gap between supply and demand, putting sustained pressure on electricity prices.
Energy consultants advise Illinois residents to explore competitive electricity supply rates from retail energy suppliers to avoid price spikes. Customers can also lower their bills by reducing energy use during peak hours, minimising waste, and improving energy efficiency.
To mitigate the impact of surging electricity rates, residents can invest in solar panels and solar batteries. Solar panels can offset 100% of an electric bill, resulting in significant savings over time. Additionally, community solar projects offer renters a way to save on electricity costs while supporting local green energy initiatives.
While the average electricity price in Chicago, Illinois, was 16.1 cents per kilowatt-hour (kWh) in December 2024, it is expected to rise with the increasing demand and supply challenges.
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Ameren and ComEd rate hikes
Illinois has experienced a massive surge in electric demand due to the rapid growth of AI data centres, the adoption of electric vehicles, and an overall shift to electrification in homes and businesses. This has resulted in significantly higher electricity costs for Illinois residents.
Ameren and ComEd, the state's two largest electric utilities, have implemented substantial rate hikes to offset the increased demand. ComEd's rates increased by 53%, from 0.06552 to 0.10028 cents/kWh, while Ameren's rates rose by 47%, from 0.08277 to 0.12180 cents/kWh. These price hikes went into effect on June 1, 2025, and are expected to impact customers' bills significantly.
In the lead-up to these rate increases, the Illinois Commerce Commission (ICC) played a pivotal role in moderating the hikes. In December 2024, the ICC approved a $606 million increase in delivery rates for ComEd and a $309 million increase for Ameren. While these approvals represented a reduction in the utilities' initially requested hikes, they still contribute to the overall rise in electricity costs for Illinois residents.
The rate hikes by Ameren and ComEd are not without precedent. Since 2020, electricity prices in the US have risen by an average of 6.8% annually, outpacing general inflation. Additionally, the state's previous system for setting electric delivery rates, the 2011 "Energy Infrastructure and Modernization Act," was criticised for allowing substantial rate hikes of up to $1 billion. However, the new Climate and Equitable Jobs Act (CEJA) has granted state regulators more authority to limit rate hikes and reject plans that do not demonstrate affordability and consumer benefits.
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Energy choice program
Illinois has a deregulated energy market, meaning residents can choose their energy supplier and compare prices. The state's energy choice program allows businesses in Ameren and ComEd to shop for competitive electricity supply rates from retail energy suppliers to avoid price spikes. This is particularly important given that electricity prices in Illinois have surged, with the state's two largest electric utilities—ComEd and Ameren—increasing their rates by 53% and 47% respectively.
Plug In Illinois
Plug In Illinois is a program owned and operated by the Illinois Commerce Commission (ICC) to help consumers navigate the state's deregulated energy market. The program was introduced in 1997 after the state's electric service industry was restructured, allowing consumers to choose their electric supplier. Since then, approximately 75% of customers have chosen to receive their electricity from a retail electric supplier. The ICC aims to balance the interests of electricity suppliers and consumers to ensure that utility services are safe, reliable, and appropriately priced.
Energy Choice Services
Energy Choice Services helps Illinois residents find the best energy rates and packages to start saving on their energy bills. Illinois residents can compare prices and choose their energy supplier, receiving a single bill that includes charges from the supplier and the utility company for delivering the energy.
Energy Professionals
Energy Professionals is an energy consulting firm that helps businesses in Illinois participate in the energy choice program. They assist commercial and industrial customers in evaluating their options, negotiating better rates, and gaining protection against price volatility.
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Rising electricity demand
Illinois is a major electricity generator and the nation's fifth-largest electricity producer. The state typically sends about one-fifth of the electricity it generates to other states. Illinois generates more electricity from nuclear energy than any other state, accounting for about 13% of US nuclear power generation in 2023. The state's six nuclear power plants produced 54% of its electricity net generation in 2023.
However, electricity costs in Illinois have been surging. Energy consulting firms have warned customers that the state's two largest electric utilities, ComEd and Ameren, have implemented substantial rate hikes. ComEd's rates increased by 53%, from 0.06552 to 0.10028 cents/kWh, while Ameren's rates increased by 47%, from 0.08277 to 0.12180 cents/kWh. These price increases are primarily due to soaring capacity charges, which are fees paid to ensure sufficient power is available during periods of peak demand.
The rapid growth of AI data centers, the adoption of electric vehicles, and an overall shift to electrification in homes and businesses have caused a massive surge in electricity demand in Illinois. At the same time, the retirement of old fossil fuel power plants and delays in new renewable energy projects have widened the gap between supply and demand, putting sustained pressure on electricity prices.
Illinois is a key hub for crude oil and natural gas and has substantial coal reserves. The state is also a major producer of wind power and has a growing number of clean energy jobs. However, coal's contribution to in-state generation has declined significantly due to stricter emissions regulations and economic pressures. Natural gas-fired generation reached its highest level ever in 2023, providing almost 16% of Illinois's electricity net generation.
To minimize the impact of rising electricity costs, customers in Illinois can shop for competitive electricity supply rates from retail energy suppliers and further lower their bills by reducing energy use during peak demand hours.
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Energy Professionals' advice
Energy Professionals, an energy consulting firm, warns Illinois residents of surging electricity costs. The state's largest electric utilities, ComEd and Ameren, have increased their rates by 53% and 47% respectively, effective June 1, 2025. These price hikes are attributed to soaring capacity charges, ensuring sufficient power availability during peak demand.
To mitigate the impact of rising costs, Energy Professionals advises Illinois businesses and residents to explore the state's energy choice program. This program enables customers to shop for competitive electricity supply rates from retail energy suppliers, shielding them from volatile energy market prices. Additionally, customers are encouraged to reduce energy consumption during peak hours, minimize waste, and improve energy efficiency to lower their bills.
The rapid growth of AI data centers, the adoption of electric vehicles, and the shift to electrification have significantly contributed to the surge in electric demand. Simultaneously, the retirement of fossil fuel power plants and delays in new renewable energy projects have exacerbated the imbalance between supply and demand, putting sustained upward pressure on electricity prices.
Energy Professionals has been assisting commercial and industrial customers in Illinois to navigate their options, negotiate favorable rates, and protect themselves against price volatility. They encourage customers to evaluate their energy usage patterns and explore fixed-rate plans offered by retail suppliers to stabilize their energy expenses.
For those seeking further guidance, Energy Professionals provides additional resources. Customers can visit EnergyProfessionals.com or call their toll-free number to explore pricing options or request a complimentary rate analysis. By staying informed and proactive, Illinois residents can better manage their energy costs during this period of rising electricity prices.
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Frequently asked questions
The rapid growth of AI data centres, the adoption of electric vehicles, and an overall shift to electrification in homes and businesses have caused a massive surge in electric demand.
The retirement of old fossil fuel power plants and delays in new renewable energy projects due to regulations and infrastructure issues have widened the gap between supply and demand, putting sustained pressure on electricity prices.
Customers can do their part to minimize the impact of rising costs by reducing energy use during peak demand hours, minimizing energy waste, and improving energy efficiency.
The state's energy choice program allows businesses to shop for competitive electricity supply rates from retail energy suppliers to avoid price spikes tied to the energy market's volatility.
