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Heading into 2026: Major Utility Bill Threats Identified by CUB

As we approach 2026, the Citizens Utility Board (CUB) of Illinois has made headlines by revealing the significant challenges that threaten to drive up utility bills in the coming year. The consumer watchdog, with over 40 years of advocacy experience, emphasizes the critical role it plays in safeguarding the interests of consumers against rising costs. Executive Director Sarah Moskowitz states, "As consumers grapple with high prices for essentials like groceries and health care, increasing utility costs exacerbate their financial strain. Identifying the primary culprits for higher energy bills empowers consumers to seek effective solutions."

Runaway Demand from Data Centers

One of the primary contributors to escalating energy costs has been linked to skyrocketing demand from data centers. The 2025 summer saw customers of Commonwealth Edison and Ameren Illinois experiencing an unprecedented spike in electricity prices—from 45% to 50%—due to the surging energy requirements of these centers. If no decisive measures are taken by legislative entities and power grid authorities, consumers might continue to face even higher bills and possible rolling blackouts ahead. CUB is calling for state and regional reforms to tackle this pressing issue.

Utilities Pushing for Rate Hikes

Illinois' major electric and gas utilities, including ComEd, Ameren Illinois, Nicor Gas, Peoples Gas, and North Shore Gas, have actively lobbied for multibillion-dollar rate hikes across the delivery section of bills in recent years. Although recent adjustments by the Illinois Commerce Commission (ICC) have provided some relief, the incentive structure still encourages these utilities to aggressively seek increased returns on their infrastructure investments. Consequently, any rate increase poses a challenge for consumers already facing financial burdens.

The Pitfalls of Alternative Supplier Deals

Many residents of Illinois have the option to choose electricity or gas suppliers outside their designated utility company. However, CUB's assessment reveals that this market is rife with poor choices. Over the past decade, Illinois electricity customers have collectively lost more than $2.1 billion due to unfavorable deals with alternative suppliers. CUB advocates for sticking with utility-provided supply prices, which typically offer better value.

Volatile Energy Markets

Illinois consumers have recently experienced heightened volatility in energy markets, particularly concerning gas prices. Analysts predict that exports of liquefied natural gas could lead to even greater fluctuations in prices. As of December, eight of Illinois' nine utilities reported a significant increase in supply prices compared to the previous year, ranging from 10% to a staggering 63%.

Rising Water Bills

Illinois American and Aqua Illinois, the two largest private water suppliers, have collectively invested over $411 million in acquiring public water systems since 2013. Existing state laws allow these companies to pass acquisition costs directly onto consumers, raising concerns among advocacy groups like CUB. Legislative reforms are needed to shift the financial weight from consumers to shareholders, which CUB is actively pursuing.

Inefficient Home Designs

Another issue highlighted by the Department of Energy is the significant energy wasted in homes due to drafts, air leaks, and outdated systems. The inefficiencies can result in an estimated 10-20% higher annual energy bills. CUB reminds residents to explore the no- or low-cost energy efficiency programs offered by utility providers to make necessary upgrades and potentially save hundreds annually.

Empowering Consumers

Despite consumers feeling overwhelmed, Moskowitz insists on the power of collective action. CUB has consistently worked alongside Illinois utility customers to secure over $20 billion in savings through rate hike challenges and securing refunds during its 41-year history. She states, "Customers may feel helpless, but there is strength in numbers."

How to Stay Informed and Take Action:

• - Visit Citizens Utility Board's website: Access a wealth of resources designed to help consumers manage utility costs effectively.
• - Participate in CUB events: In 2025 alone, CUB held over 220 information sessions to help consumers learn about cost-saving strategies.
• - Contact CUB's Consumer Hotline: For concerns regarding utility bills, reach out at 1-800-669-5556 if previous efforts have been unproductive.

As we step into 2026, being informed about these challenges enables consumers to advocate for necessary changes that can ultimately lead to more affordable utility bills.