Average Utility Costs in New Haven, CT

Estimated monthly utility costs (1,000 kWh + 5,000 gal)

Average monthly utility costs in New Haven, CT are about $334.50, based on 1,000 kWh of electricity and 5,000 gallons of water, plus sewer and trash fees. See the full breakdown and sources below.

Total estimated monthly utilities

$334.50

Estimated average monthly utilities in New Haven are ~$334.50 (1,000 kWh + 5,000 gal assumptions). Average water bill estimate: ~$37.50/mo at 5,000 gallons.

Data freshness: last verified 2026-02-25
  • Electric $262.00 (78%)
  • Water $37.50 (11%)
  • Sewer $35.00 (10%)
  • Trash $0.00 (0%)

Utilities here are in line with the Connecticut city average.

  • In Connecticut, heating and cooling often makes electric the largest share of the bill.

Electric

Confirmed
Provider
United Illuminating
Base charge
$12.00/mo
Energy rate
$0.2500/kWh
Assumed usage
1000 kWh
Monthly total
$262.00
portal.ct.gov· verified 2026-02-25

Water

Estimated
Provider
South Central CT Regional Water Authority
Base charge
$15.00/mo
Volumetric rate
$4.50/1,000 gal
Assumed usage
5,000 gal
Monthly total
$37.50
rwater.com· verified 2026-02-25

Sewer

Estimated
Method
tiered
Monthly total
$35.00

Tiered structure simplified to a representative monthly estimate at assumed usage.

gnhwpca.com· verified 2026-02-25

Trash

Estimated
Monthly fee
$0.00

City curbside collection; funded through municipal budget. No separate residential trash fee.

newhavenct.gov· verified 2026-02-25

Total estimated monthly utilities

$334.50

What changes your bill most?

  • Electric is about 78% of your estimated utilities here.
  • Every 100 kWh changes your total by about $25.00.
  • Water increases by about $4.50 per additional 1,000 gallons.

Assumptions

  • Electric: 1000 kWh/month
  • Water: 5,000 gallons/month

What these labels mean

  • Confirmed — From this area's rate schedule.
  • Benchmark — From an official typical (e.g. state commission 1,000 kWh); not city-specific.
  • Delivery only — Regulated delivery charges only (e.g. Texas); supply varies by plan.
  • Estimated — From other or incomplete sources; use as a rough guide.
Sources

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Nearby Cities Utility Costs

Other cities in New Haven County. Click a city for full breakdowns.

CityEst. total/mo
New Haven (this)$334.50
Waterbury$310.32

More in Connecticut

Connecticut utility costsNew Haven CountyUtility providers in Connecticut

FAQ

In New Haven, sewer is billed in tiers based on usage, so the rate per gallon changes with volume. Our estimate uses the rate structure from GNHWPCA – Sewer Rates at the assumed 5,000 gallons per month. Your bill will vary with actual usage.
We use base charges and per-unit rates from official provider pages. Electric = base + (rate × assumed kWh). Water = base + (rate per 1,000 gal × assumed gallons / 1,000). Sewer is either a flat fee or based on water use. Trash is a fixed monthly fee (or $0 when tax-funded). See the Methodology page for full formulas.
Actual bills depend on usage, seasonal electric rates (CT rates change Jan & Jul), taxes, fees, and provider rules. Connecticut has retail electric choice—compare third-party suppliers at EnergizeCT.com. Trash is often tax-funded with no separate fee.
Each component shows a 'last verified' date. We aim to update from official sources periodically; always confirm current rates on the provider's site before making decisions.

Learn more

For tips on understanding your bill, comparing cities, and how electric and utility rates work by state, see our blog. Compare New Haven with another city side-by-side, or see how we calculate estimates.