Is it cheaper to live in San Diego or Chicago for monthly utilities?

Chicago, IL is approximately 27% cheaper than San Diego, CA in average monthly utilities ($365/mo vs $465/mo), saving approximately $100 per month or $1,200 annually.

How do residential electric rates compare between San Diego and Chicago?

Residential electricity in San Diego is $0.385 per kWh served by San Diego Gas & Electric (SDG&E), compared to $0.162 per kWh in Chicago served by ComEd (Commonwealth Edison).

What is the average water and sewer bill in San Diego compared to Chicago?

In San Diego, the minimum water and sewer base meter charge is $54.50/month with Tier 1 volumetric water priced at $6.20 per 1,000 gallons. In Chicago, baseline fixed meter fees are $36.00/month with Tier 1 water at $4.40 per 1,000 gallons.

How do weather and climate affect seasonal utility bills in San Diego vs Chicago?

San Diego experiences 920 Cooling Degree Days (CDD) with a peak summer AC cost spike of 28%, whereas Chicago records 1050 CDD with a summer spike of 38%. Heating Degree Days (HDD) are 1150 in San Diego versus 6100 in Chicago.

San Diego, CA vs Chicago, IL Utility Costs Comparison (2026)

Interactive Simulation

Household Sizing Simulator

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

San Diego Est.

$465/mo

Power:$363

Water & Sewer:$139

Gas & Trash:$150

Projected Variance

+$100/mo

Chicago saves your household roughly $1,200 per year at this consumption tier.

Chicago Est.

$365/mo

Power:$161

Water & Sewer:$89

Gas & Trash:$100

Head-to-Head Utility Tariff Breakdown

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

EIA-861 Calibrated

Utility Component	San Diego, CA	Chicago, IL
⚡ Residential Electric Rate ($/kWh)	$0.385 / kWh	$0.162 / kWh
Electric Monthly Customer Base Fee	$16.00/mo	$15.50/mo
Electric Provider & Market Structure	San Diego Gas & Electric (SDG&E) Regulated Monopoly Utility	ComEd (Commonwealth Edison) Deregulated REP Market
♨️ Natural Gas Rate ($/Therm)	$2.15 / Therm	$1.25 / Therm
Natural Gas Fixed Customer Charge	$15.00/mo	$34.50/mo
💧 Water Base Meter Charge (5/8" - 3/4")	$28.50/mo	$18.00/mo
Water Tier 1 Volumetric (per 1,000 gal)	$6.20	$4.40
Water Tier 2 Conservation (per 1,000 gal)	$9.80	$6.20
Wastewater / Sewer Rates	Base: $26.00/mo Volumetric: $7.80/1k gal	Base: $18.00/mo Volumetric: $4.40/1k gal
🗑️ Curbside Solid Waste & Recycling	$38.00/mo	$9.50/mo
Stormwater Drainage Clean Water Fee	$9.20/mo	$0.00/mo
Initial Move-in Deposit / Connection Fee	Deposit: $250 – $450 Turn-on: $35.00	Deposit: $150 – $300 Turn-on: $25.00

Climate & Seasonal HVAC Load Drivers

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

NOAA 1991–2020 Normals

Climate Indicator	San Diego, CA	Chicago, IL
☀️ Cooling Degree Days (CDD)	920 CDD	1,050 CDD
❄️ Heating Degree Days (HDD)	1,150 HDD	6,100 HDD
Peak Summer AC Bill Volatility	+28% Summer Spike	+38% Summer Spike
Regional Climate Summary	Semi-arid Mediterranean climate with high utility tariffs across southern California.	Continental climate with severe winter cold and heating loads, plus hot humid summer cycles.

Clean Energy & Solar Economics

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

NREL Solar Data

Solar Component	San Diego, CA	Chicago, IL
☀️ Daily Peak Sun Hours	5.4 hrs/day	4.4 hrs/day
Net Metering / Export Compensation	CPUC NEM 3.0 Solar Billing with Avoided Cost Calculator rates.	Illinois Shines (IPA) solar rebates + ComEd full 1:1 net metering credit.
City Solar Calculator	San Diego Solar Estimator →	Chicago Solar Estimator →

🏙️ San Diego Official Estimator

San Diego, CA Utility Calculator

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

ZIP: san-diego Open San Diego Hub →

🏙️ Chicago Official Estimator

Chicago, IL Utility Calculator

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

ZIP: chicago Open Chicago Hub →

Common Inquiries

Frequently Asked Questions: San Diego vs Chicago

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

Is it cheaper to live in San Diego or Chicago for utilities? ▼

Chicago, IL is approximately 27% cheaper than San Diego, CA in overall monthly utility bills ($365/mo vs $465/mo). A typical household saves around $100 per month or $1,200 annually.

How do residential electric rates compare per kilowatt-hour? ▼

Residential electricity in San Diego costs $0.385 per kWh supplied by San Diego Gas & Electric (SDG&E), compared to $0.162 per kWh in Chicago served by ComEd (Commonwealth Edison). For a home consuming 1,000 kWh per month, this rate difference accounts for $223.00 in monthly energy charges before fixed customer meter charges.

What is the water and sewer rate difference between San Diego and Chicago? ▼

In San Diego, the minimum fixed water meter charge is $28.50/mo plus $26.00/mo sewer baseline. In Chicago, the base water fee is $18.00/mo with $18.00/mo sewer baseline. Volumetric Tier 1 water is $6.20/1k gal in San Diego versus $4.40/1k gal in Chicago.

How does weather and climate impact summer and winter power bills? ▼

San Diego logs 920 Cooling Degree Days with a 28% summer AC bill surge. Conversely, Chicago records 1,050 CDD with a 38% summer surge. Heating Degree Days measure 1,150 in San Diego versus 6,100 in Chicago.

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📍 Popular Comparisons for Chicago

Chicago vs New York City, NY $365 vs $440 → Chicago vs Los Angeles, CA $365 vs $395 → Chicago vs Houston, TX $365 vs $370 → Chicago vs Phoenix, AZ $365 vs $390 →

San Diego, CA vs Chicago, IL

San Diego

Chicago

Executive Summary & Citability Passage