⚖️ Metro Utility Cost Comparison • 2026 Fiscal Records

Chicago, IL vs Phoenix, AZ

Relocating or comparing cost of living? Here is the complete head-to-head utility bill breakdown between Chicago and Phoenix, based on public utility commission filings and municipal meter schedules.

Chicago

Cook County • Pop. 2,665,039

Average Bill: $365/mo
Cost Variance
-$25/mo
Annual Difference: $300/yr

Chicago is approximately 6% cheaper than Phoenix in overall monthly utility bills.

Phoenix

Maricopa County • Pop. 1,644,409

Average Bill: $390/mo
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Executive Summary & Citability Passage

EIA / NOAA / Municipal Survey 2026

In 2026, living in Chicago, IL incurs an average monthly utility expense of $365, compared to $390 per month in Phoenix, AZ. This reflects a 6% lower overall household utility cost, saving homeowners approximately $25 monthly or $300 each calendar year. Residential power tariffs in Chicago average $0.162 per kWh supplied by ComEd (Commonwealth Edison), whereas Phoenix residents pay $0.148 per kWh through Arizona Public Service (APS). Municipal water and sewer charges also diverge, with Chicago averaging $36.00 in combined monthly meter baselines versus $34.50 in Phoenix. Climatologically, Chicago registers 1050 Cooling Degree Days and 6100 Heating Degree Days, compared to 4450 CDD and 950 HDD in Phoenix, creating distinctly different seasonal heating and cooling load patterns across winter and summer quarters. Overall, verified 2026 public tariff benchmarks confirm that Chicago maintains more economical municipal utility infrastructure than Phoenix.

Interactive Simulation

Household Sizing Simulator

Select your home type to adjust estimated monthly consumption for Chicago and Phoenix.

Chicago Est.
$365/mo
Power:$161
Water & Sewer:$89
Gas & Trash:$100
Projected Variance
-$25/mo

Chicago saves your household roughly $300 per year at this consumption tier.

Phoenix Est.
$390/mo
Power:$147
Water & Sewer:$83
Gas & Trash:$108

Head-to-Head Utility Tariff Breakdown

Direct comparison of published rates, electric tariffs, and municipal meter charges.

EIA-861 Calibrated
Utility Component Chicago, IL Phoenix, AZ
⚡ Residential Electric Rate ($/kWh) $0.162 / kWh $0.148 / kWh
Electric Monthly Customer Base Fee $15.50/mo $13.50/mo
Electric Provider & Market Structure
ComEd (Commonwealth Edison)
Deregulated REP Market
Arizona Public Service (APS)
Regulated Monopoly Utility
♨️ Natural Gas Rate ($/Therm) $1.25 / Therm $1.35 / Therm
Natural Gas Fixed Customer Charge $34.50/mo $14.50/mo
💧 Water Base Meter Charge (5/8" - 3/4") $18.00/mo $18.50/mo
Water Tier 1 Volumetric (per 1,000 gal) $4.40 $3.80
Water Tier 2 Conservation (per 1,000 gal) $6.20 $6.10
Wastewater / Sewer Rates Base: $18.00/mo
Volumetric: $4.40/1k gal
Base: $16.00/mo
Volumetric: $4.20/1k gal
🗑️ Curbside Solid Waste & Recycling $9.50/mo $32.50/mo
Stormwater Drainage Clean Water Fee $0.00/mo $4.50/mo
Initial Move-in Deposit / Connection Fee Deposit: $150 – $300
Turn-on: $25.00
Deposit: $200 – $350
Turn-on: $30.00

Climate & Seasonal HVAC Load Drivers

NOAA degree-day data dictating peak air conditioning and heating power spikes.

NOAA 1991–2020 Normals
Climate Indicator Chicago, IL Phoenix, AZ
☀️ Cooling Degree Days (CDD) 1,050 CDD 4,450 CDD
❄️ Heating Degree Days (HDD) 6,100 HDD 950 HDD
Peak Summer AC Bill Volatility +38% Summer Spike +85% Summer Spike
Regional Climate Summary Continental climate with severe winter cold and heating loads, plus hot humid summer cycles. Sonoran Desert climate with blistering summer temperatures exceeding 110°F.

Clean Energy & Solar Economics

Rooftop solar irradiance and net metering rules to mitigate high utility bills.

NREL Solar Data
Solar Component Chicago, IL Phoenix, AZ
☀️ Daily Peak Sun Hours 4.4 hrs/day 5.8 hrs/day
Net Metering / Export Compensation Illinois Shines (IPA) solar rebates + ComEd full 1:1 net metering credit. APS Resource Comparison Proxy (RCP) export credit (~$0.076/kWh) + 300+ sunny days.
City Solar Calculator Chicago Solar Estimator → Phoenix Solar Estimator →
🏙️ Chicago Official Estimator

Chicago, IL Utility Calculator

Access the interactive multi-utility calculator, municipal moving checklists, and verified billing schedules for Chicago.

🏙️ Phoenix Official Estimator

Phoenix, AZ Utility Calculator

Access the interactive multi-utility calculator, municipal moving checklists, and verified billing schedules for Phoenix.

Common Inquiries

Frequently Asked Questions: Chicago vs Phoenix

Direct answers to key cost of living and utility comparison questions.

Is it cheaper to live in Chicago or Phoenix for utilities? ▼
Chicago, IL is approximately 6% cheaper than Phoenix, AZ in overall monthly utility bills ($365/mo vs $390/mo). A typical household saves around $25 per month or $300 annually.
How do residential electric rates compare per kilowatt-hour? ▼
Residential electricity in Chicago costs $0.162 per kWh supplied by ComEd (Commonwealth Edison), compared to $0.148 per kWh in Phoenix served by Arizona Public Service (APS). For a home consuming 1,000 kWh per month, this rate difference accounts for $14.00 in monthly energy charges before fixed customer meter charges.
What is the water and sewer rate difference between Chicago and Phoenix? ▼
In Chicago, the minimum fixed water meter charge is $18.00/mo plus $18.00/mo sewer baseline. In Phoenix, the base water fee is $18.50/mo with $16.00/mo sewer baseline. Volumetric Tier 1 water is $4.40/1k gal in Chicago versus $3.80/1k gal in Phoenix.
How does weather and climate impact summer and winter power bills? ▼
Chicago logs 1,050 Cooling Degree Days with a 38% summer AC bill surge. Conversely, Phoenix records 4,450 CDD with a 85% summer surge. Heating Degree Days measure 6,100 in Chicago versus 950 in Phoenix.
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Official Municipal Filings

Tariff data is sourced directly from city council utility rate resolutions, Public Utility Commission (PUC) filings, and retail provider dockets.

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Federal Energy Benchmarks

U.S. Energy Information Administration (EIA) Form EIA-861M residential sales data is leveraged to calibrate regional seasonal consumption models.

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USGS & NOAA Climate Standards

Water and sewer discharge volume models use USGS per capita metrics; HVAC load draws from NOAA Cooling & Heating Degree Day (CDD/HDD) indexes.

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Est. Monthly Bill
$335/mo