Illinois Commercial Electricity: Deregulated since 1997, Illinois offers full retail choice in ComEd and Ameren territories. Average commercial rate: 10-13¢/kWh (2026). Chicago-area businesses can save 8-12% by switching from utility default rates to competitive suppliers.
Illinois Commercial Natural Gas: Full gas choice via Nicor Gas, Peoples Gas, and North Shore Gas. Chicago Citygate is a major pricing hub. Businesses save 20-40% vs utility Purchased Gas Adjustment (PGA) rates. Gas Guide →
Track MISO real-time electricity prices for Illinois downstate customers (Ameren) and compare competitive commercial supplier rates for Chicago's ComEd territory.
PJM capacity prices for the ComEd zone have hit record highs ($269.92/MW-day). Chicago-area commercial facilities can now earn approximately $98,500 annually per MW of curtailable load ($269.92 × 365 days).
View PJM Demand Response (DR) Programs →EIA Average • Supply + Delivery
PJM Real-Time LMP • ¢/kWh
ComEd (Chicago area) operates in PJM, while Ameren (downstate) is in MISO. This means pricing dynamics differ between regions. Chicago often sees higher capacity costs due to PJM market structure.
Many Illinois municipalities offer opt-out aggregation programs. However, commercial accounts with significant load can often beat aggregation rates through direct supplier negotiation.
Illinois is a critical hub for North American natural gas infrastructure. With the Chicago Citygate serving as a major pricing point, businesses have access to liquid and competitive gas markets.
Nicor Gas, Peoples Gas, and North Shore Gas territories are all fully open to commercial choice. Locking in basis at Chicago Citygate is a key strategy for large users.
Winter weather in Chicago drives price volatility. Smart buyers hedge their winter usage during the spring/fall shoulder months to avoid February price spikes.
Read our Gas Procurement Guide →See how much your business could save in the Illinois market
ComEd serves 4 million customers including downtown Chicago. High commercial density means competitive supplier market with sophisticated products.
The Illinois Commerce Commission regulates utility delivery charges and ensures supplier compliance. ARES (Alternative Retail Electric Supplier) licenses are required.
Illinois RPS requires 25% renewable by 2026. Many suppliers offer 100% renewable energy products competitive with standard rates.
Our reverse auction process gets multiple suppliers competing for your business, driving down rates by an average of 12%.
Get Competitive Quotes →Latest news affecting Illinois commercial energy buyers
PJM formally proposes a one-time Reliability Backstop Procurement targeting 14.9 GW of new capacity through bilateral contracting (Sep 2026) and central pay-as-bid auction (Mar 2027). Bipartisan governor coalition demands data centers bear costs. RFI issued April 16. Projected 50-60 GW shortfall over the next decade.
PJM's 2027/2028 BRA cleared at $333.44/MW-day — the highest in RTO history — and marks the first time PJM failed to procure enough capacity to meet its reserve margin. Data center demand with a 40+ GW queue is the primary driver. Commercial bill impact: $2.80-$3.20/MWh in capacity charges.
PJM's Independent Market Monitor reports total wholesale power costs surged 49% in 2025, driven by a 262% spike in capacity costs from data center demand. Energy market found competitive, but reliability margins thinning.
PJM became the first US RTO to implement FERC Order 881 with hourly ambient-air transmission ratings on March 4, 2026. Expected to unlock 5-10% more usable capacity on existing lines and reduce congestion costs.