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

San Francisco, CA is approximately 4% cheaper than San Diego, CA in average monthly utilities ($445/mo vs $465/mo), saving approximately $20 per month or $240 annually.

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

Residential electricity in San Francisco is $0.345 per kWh served by Pacific Gas and Electric (PG&E), compared to $0.385 per kWh in San Diego served by San Diego Gas & Electric (SDG&E).

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

In San Francisco, the minimum water and sewer base meter charge is $52.50/month with Tier 1 volumetric water priced at $7.10 per 1,000 gallons. In San Diego, baseline fixed meter fees are $54.50/month with Tier 1 water at $6.20 per 1,000 gallons.

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

San Francisco experiences 120 Cooling Degree Days (CDD) with a peak summer AC cost spike of 15%, whereas San Diego records 920 CDD with a summer spike of 28%. Heating Degree Days (HDD) are 2850 in San Francisco versus 1150 in San Diego.

San Francisco, CA vs San Diego, CA Utility Costs Comparison (2026)

Interactive Simulation

Household Sizing Simulator

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

San Francisco Est.

$445/mo

Power:$326

Water & Sewer:$150

Gas & Trash:$161

Projected Variance

-$20/mo

San Francisco saves your household roughly $240 per year at this consumption tier.

San Diego Est.

$465/mo

Power:$363

Water & Sewer:$139

Gas & Trash:$150

Head-to-Head Utility Tariff Breakdown

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

EIA-861 Calibrated

Utility Component	San Francisco, CA	San Diego, CA
⚡ Residential Electric Rate ($/kWh)	$0.345 / kWh	$0.385 / kWh
Electric Monthly Customer Base Fee	$15.00/mo	$16.00/mo
Electric Provider & Market Structure	Pacific Gas and Electric (PG&E) Regulated Monopoly Utility	San Diego Gas & Electric (SDG&E) Regulated Monopoly Utility
♨️ Natural Gas Rate ($/Therm)	$2.25 / Therm	$2.15 / Therm
Natural Gas Fixed Customer Charge	$14.50/mo	$15.00/mo
💧 Water Base Meter Charge (5/8" - 3/4")	$24.00/mo	$28.50/mo
Water Tier 1 Volumetric (per 1,000 gal)	$7.10	$6.20
Water Tier 2 Conservation (per 1,000 gal)	$11.20	$9.80
Wastewater / Sewer Rates	Base: $28.50/mo Volumetric: $9.20/1k gal	Base: $26.00/mo Volumetric: $7.80/1k gal
🗑️ Curbside Solid Waste & Recycling	$45.00/mo	$38.00/mo
Stormwater Drainage Clean Water Fee	$12.00/mo	$9.20/mo
Initial Move-in Deposit / Connection Fee	Deposit: $250 – $400 Turn-on: $35.00	Deposit: $250 – $450 Turn-on: $35.00

Climate & Seasonal HVAC Load Drivers

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

NOAA 1991–2020 Normals

Climate Indicator	San Francisco, CA	San Diego, CA
☀️ Cooling Degree Days (CDD)	120 CDD	920 CDD
❄️ Heating Degree Days (HDD)	2,850 HDD	1,150 HDD
Peak Summer AC Bill Volatility	+15% Summer Spike	+28% Summer Spike
Regional Climate Summary	Cool coastal maritime microclimate with persistent summer fog and mild winter temperatures.	Semi-arid Mediterranean climate with high utility tariffs across southern California.

Clean Energy & Solar Economics

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

NREL Solar Data

Solar Component	San Francisco, CA	San Diego, CA
☀️ Daily Peak Sun Hours	5.1 hrs/day	5.4 hrs/day
Net Metering / Export Compensation	CPUC Solar Billing Plan (NEM 3.0) with CleanPowerSF generation credits.	CPUC NEM 3.0 Solar Billing with Avoided Cost Calculator rates.
City Solar Calculator	San Francisco Solar Estimator →	San Diego Solar Estimator →

🏙️ San Francisco Official Estimator

San Francisco, CA Utility Calculator

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

ZIP: san-francisco Open San Francisco Hub →

🏙️ 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 →

Common Inquiries

Frequently Asked Questions: San Francisco vs San Diego

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

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

San Francisco, CA is approximately 4% cheaper than San Diego, CA in overall monthly utility bills ($445/mo vs $465/mo). A typical household saves around $20 per month or $240 annually.

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

Residential electricity in San Francisco costs $0.345 per kWh supplied by Pacific Gas and Electric (PG&E), compared to $0.385 per kWh in San Diego served by San Diego Gas & Electric (SDG&E). For a home consuming 1,000 kWh per month, this rate difference accounts for $40.00 in monthly energy charges before fixed customer meter charges.

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

In San Francisco, the minimum fixed water meter charge is $24.00/mo plus $28.50/mo sewer baseline. In San Diego, the base water fee is $28.50/mo with $26.00/mo sewer baseline. Volumetric Tier 1 water is $7.10/1k gal in San Francisco versus $6.20/1k gal in San Diego.

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

San Francisco logs 120 Cooling Degree Days with a 15% summer AC bill surge. Conversely, San Diego records 920 CDD with a 28% summer surge. Heating Degree Days measure 2,850 in San Francisco versus 1,150 in San Diego.

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San Francisco vs Los Angeles, CA $445 vs $395 → San Francisco vs New York City, NY $445 vs $440 → San Francisco vs Chicago, IL $445 vs $365 → San Francisco vs Houston, TX $445 vs $370 →

📍 Popular Comparisons for San Diego

San Diego vs Los Angeles, CA $465 vs $395 → San Diego vs San Jose, CA $465 vs $440 → San Diego vs New York City, NY $465 vs $440 → San Diego vs Chicago, IL $465 vs $365 →

San Francisco, CA vs San Diego, CA

San Francisco

San Diego

Executive Summary & Citability Passage