How Much Are Utilities in Saint Louis, MO on Average?
In Saint Louis, Missouri, the total average monthly residential utility cost is $328 per month ($3,939 annually) for a typical 3-person single-family residence occupying 1,800 square feet. This comprehensive monthly expenditure comprises $141.00 for electricity (priced at $0.135/kWh via Evergy Missouri West), $35.12 for municipal water through Saint Louis Water & Sewer Dept, $59.15 for natural gas through Spire Energy Missouri, $66.50 for municipal sewer, and $21.50 for solid waste sanitation. Due to local climate normals (2,153 Cooling Degree Days), peak summer air conditioning increases monthly power bills by 44% over spring baselines.
Seasonal HVAC Impact: Cooling vs. Heating Degree Days
NOAA data records 2,153 Cooling Degree Days (CDD) annually in Saint Louis. Upgrading insulation and implementing smart HVAC scheduling can save up to $460 annually in peak summer billing cycles.
Measures intensity and duration of outdoor temperatures requiring air conditioning.
Quantifies heating fuel consumption (natural gas therms or heat pump energy).
Saint Louis ZIP Code Rate Breakdown
Hyper-local postal district calculators and neighborhood utility benchmarks.
Saint Louis, MO Geographic Utility Coordinates
Official Saint Louis Utility Rate Schedules (2026)
Published fixed base charges, volumetric consumption blocks, and local service providers.
| Utility Type | Primary Provider | Fixed Monthly Base | Volumetric Rate |
|---|---|---|---|
| Electricity (Power) |
Evergy Missouri West
(888) 471-5275
|
$12.75/mo | $0.135 / kWh |
| City Water |
Saint Louis Water & Sewer Dept
(816) 513-1313
|
$15.50/mo |
Tier 1: $3.27 Tier 2: $5.40 / 1k gal |
| Natural Gas |
Spire Energy Missouri (800) 582-1234
|
$17.50/mo | $1.19 / Therm |
| Sewer Service | Saint Louis Water & Sewer Dept | $28.00/mo | $7.70 / 1k gal |
| Curbside Trash & Recycle | Municipal Solid Waste Dept | $21.50/mo | Included standard cart |
Moving to Saint Louis: How to Set Up Utilities
Essential transfer lead times, security deposits, and activation guidelines.
Schedule Evergy Missouri West Power Activation
Schedule power hookup at least 7 business days prior to closing or lease start. Call (888) 471-5275 or enroll online.
Waive Security Deposits with a Utility Letter of Credit
Avoid upfront deposits of $150 – $250 by requesting a 12-month zero-late-payment Letter of Good Standing from your prior provider.
Activate Municipal Water & Solid Waste Services
In Saint Louis, water, wastewater, drainage, and curbside recycling are billed as a unified municipal statement through Saint Louis Water & Sewer Dept.
Saint Louis Rooftop Solar Economics & Net Metering (2026)
With residential electricity in Saint Louis priced at $0.135/kWh (supplied by Evergy Missouri West), solar installations can eliminate up to 85% of grid power charges while hedging against summer rate increases.
Missouri PSC 1:1 net metering with annual customer rollover credits.
| Financial Component | Estimated Value | Regulatory Source |
|---|---|---|
| Gross Turnkey System Cost (Avg $2.85/W) | $21,090 | NREL Annual Technology Baseline |
| Federal Residential Clean Energy Credit (30% ITC) | -$6,327 | Inflation Reduction Act (IRC § 25D) |
| Net Out-of-Pocket Homeowner Cost | $14,763 | Direct purchase / financed basis |
| First-Year Electric Bill Offset | $1,811 / yr | Saint Louis electric rate baseline |
| 25-Year Cumulative Net Profit | +$45,920 | Indexed at 2.5% utility escalation |
Frequently Asked Questions in Saint Louis City County
What is the average monthly water bill in Saint Louis for a family of 3?
For a 3-person household consuming approximately 5,800 to 6,500 gallons per month, the total water and sewer bill in Saint Louis averages between $75 and $115 per month, including the fixed monthly base meter fee ($15.50) and sewer volume charges.
Why are electric bills in Saint Louis higher during the summer?
NOAA 1991-2020 climate averages document 2,153 Cooling Degree Days and 4,074 Heating Degree Days annually across Saint Louis City County. In Saint Louis, peak July air conditioning increases your kWh electric bill by 44% compared to winter baseline.
Is electricity deregulated in Saint Louis?
No, electricity in Saint Louis is supplied directly by Evergy Missouri West as a regulated public utility service.