Is it cheaper to live in Seattle or Phoenix for monthly utilities?

Seattle, WA is approximately 5% cheaper than Phoenix, AZ in average monthly utilities ($370/mo vs $390/mo), saving approximately $20 per month or $240 annually.

How do residential electric rates compare between Seattle and Phoenix?

Residential electricity in Seattle is $0.122 per kWh served by Seattle City Light, compared to $0.148 per kWh in Phoenix served by Arizona Public Service (APS).

What is the average water and sewer bill in Seattle compared to Phoenix?

In Seattle, the minimum water and sewer base meter charge is $56.50/month with Tier 1 volumetric water priced at $6.20 per 1,000 gallons. In Phoenix, baseline fixed meter fees are $34.50/month with Tier 1 water at $3.80 per 1,000 gallons.

How do weather and climate affect seasonal utility bills in Seattle vs Phoenix?

Seattle experiences 220 Cooling Degree Days (CDD) with a peak summer AC cost spike of 18%, whereas Phoenix records 4450 CDD with a summer spike of 85%. Heating Degree Days (HDD) are 4700 in Seattle versus 950 in Phoenix.

Seattle, WA vs Phoenix, AZ Utility Costs Comparison (2026)

Interactive Simulation

Household Sizing Simulator

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

Seattle Est.

$370/mo

Power:$118

Water & Sewer:$193

Gas & Trash:$119

Projected Variance

-$20/mo

Seattle saves your household roughly $240 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	Seattle, WA	Phoenix, AZ
⚡ Residential Electric Rate ($/kWh)	$0.122 / kWh	$0.148 / kWh
Electric Monthly Customer Base Fee	$8.50/mo	$13.50/mo
Electric Provider & Market Structure	Seattle City Light Regulated Monopoly Utility	Arizona Public Service (APS) Regulated Monopoly Utility
♨️ Natural Gas Rate ($/Therm)	$1.35 / Therm	$1.35 / Therm
Natural Gas Fixed Customer Charge	$14.00/mo	$14.50/mo
💧 Water Base Meter Charge (5/8" - 3/4")	$22.50/mo	$18.50/mo
Water Tier 1 Volumetric (per 1,000 gal)	$6.20	$3.80
Water Tier 2 Conservation (per 1,000 gal)	$9.40	$6.10
Wastewater / Sewer Rates	Base: $34.00/mo Volumetric: $16.50/1k gal	Base: $16.00/mo Volumetric: $4.20/1k gal
🗑️ Curbside Solid Waste & Recycling	$44.50/mo	$32.50/mo
Stormwater Drainage Clean Water Fee	$38.00/mo	$4.50/mo
Initial Move-in Deposit / Connection Fee	Deposit: $150 – $250 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	Seattle, WA	Phoenix, AZ
☀️ Cooling Degree Days (CDD)	220 CDD	4,450 CDD
❄️ Heating Degree Days (HDD)	4,700 HDD	950 HDD
Peak Summer AC Bill Volatility	+18% Summer Spike	+85% Summer Spike
Regional Climate Summary	Oceanic temperate maritime climate with heavy winter cloud cover, high sewer/stormwater costs, and low hydro electric rates.	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	Seattle, WA	Phoenix, AZ
☀️ Daily Peak Sun Hours	3.9 hrs/day	5.8 hrs/day
Net Metering / Export Compensation	Washington State RCW 80.60 1:1 net metering with April 30 annual true-up.	APS Resource Comparison Proxy (RCP) export credit (~$0.076/kWh) + 300+ sunny days.
City Solar Calculator	Seattle Solar Estimator →	Phoenix Solar Estimator →

🏙️ Seattle Official Estimator

Seattle, WA Utility Calculator

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

ZIP: seattle Open Seattle Hub →

🏙️ Phoenix Official Estimator

Phoenix, AZ Utility Calculator

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

ZIP: phoenix Open Phoenix Hub →

Common Inquiries

Frequently Asked Questions: Seattle vs Phoenix

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

Is it cheaper to live in Seattle or Phoenix for utilities? ▼

Seattle, WA is approximately 5% cheaper than Phoenix, AZ in overall monthly utility bills ($370/mo vs $390/mo). A typical household saves around $20 per month or $240 annually.

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

Residential electricity in Seattle costs $0.122 per kWh supplied by Seattle City Light, 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 $26.00 in monthly energy charges before fixed customer meter charges.

What is the water and sewer rate difference between Seattle and Phoenix? ▼

In Seattle, the minimum fixed water meter charge is $22.50/mo plus $34.00/mo sewer baseline. In Phoenix, the base water fee is $18.50/mo with $16.00/mo sewer baseline. Volumetric Tier 1 water is $6.20/1k gal in Seattle versus $3.80/1k gal in Phoenix.

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

Seattle logs 220 Cooling Degree Days with a 18% summer AC bill surge. Conversely, Phoenix records 4,450 CDD with a 85% summer surge. Heating Degree Days measure 4,700 in Seattle versus 950 in Phoenix.

Related Metro Comparisons

Explore Other City Comparisons

Compare Seattle or Phoenix against neighboring cities and prominent US metro destinations.

📍 Popular Comparisons for Seattle

Seattle vs New York City, NY $370 vs $440 → Seattle vs Los Angeles, CA $370 vs $395 → Seattle vs Chicago, IL $370 vs $365 → Seattle vs Houston, TX $370 vs $370 →

📍 Popular Comparisons for Phoenix

Phoenix vs Tucson, AZ $390 vs $355 → Phoenix vs Scottsdale, AZ $390 vs $395 → Phoenix vs New York City, NY $390 vs $440 → Phoenix vs Los Angeles, CA $390 vs $395 →

Seattle, WA vs Phoenix, AZ

Seattle

Phoenix

Executive Summary & Citability Passage