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Utility Providers in Greenwich, CT

Verizon Fios
  • Free NFL Sunday Ticket from YouTube
  • Fios Home Internet starts as low as $15/mo. Terms apply.
  • Free Router Rental
  • Fiber speeds up to 5 Gbps
  • Modem w/ WiFi included.
Electricity

Top 5 Electric Providers in Greenwich

You pick the provider; Eversource delivers the power. Every plan below runs over the same Eversource wires, so reliability is identical. Providers compete on rate, contract, and renewable content. For outages, always call Eversource at 800-286-2000.
Rates accurate as of November 6, 2026

EnergySage

Save up to 20%! Get custom solar quotes online, no phone calls required!
Service
Home solar
Quotes
Free

See Top Plans in Your Area

Natural Gas

Top 2 Natural Gas Providers in Greenwich

Rates accurate as of November 6, 2026
Smell rotten eggs? Leave immediately, and don't touch light switches, garage openers, or phones. Once you're safely away, call Connecticut Natural Gas at 860-524-8361 or 911. What to do if you smell gas
Internet

Top 8 Internet Providers in Greenwich

*Not all internet providers and speeds are available at every address.
Greenwich Connectivity
Broadband (100/20 Mbps) 91.2%
1 Gig download 72.0%
Fiber 85.3%
Share of residents with access. Source: FCC National Broadband Map.
Water & Sewer

Water & Sewage Providers in Greenwich

AQUARION WATER CO OF CT-GREENWICH SYSTEM

505 Huntington St. Greenwich, CT 6484
Service
Water & sewage
Contact
Phone
Greenwich drinking water quality: 4 contaminants above health guidelines, none above legal limits

Primary source: surface water. Levels are averages of EPA SDWA LCR and UCMR 3–5 samples. Health guidelines come from the EPA, WHO, or state health departments; legal limits are EPA regulations.

Contaminant Greenwich Health guideline Legal limit
Lead Above guideline 2 ppb 0 ppb 15 ppb
Chromium (hexavalent) Above guideline 0.0833 ppb 0.02 ppb None set
Haloacetic acids (HAA5) Above guideline 41.8978 ppb 0.1 ppb 60 ppb
Haloacetic acids (HAA9) Above guideline 52.4535 ppb .06 ppb None set
Chlorate 159.2083 ppb 210 ppb None set
Chromium (total) 0.536 ppb 100 ppb 100 ppb
Six brominated haloacetic acids 11.3127 ppb Not set None set
Manganese 1.2337 ppb 100 ppb None set
Strontium 95.625 ppb 1.5 ppm None set
Vanadium 0.637 ppb 21 ppb None set
Trash & Recycling

Top 3 Trash and Recycling Providers in Greenwich

Putnam Refuse & Recycling LLC

81 Cos Cob Ave, Cos Cob, CT 06807
We strive to offer the most accurate information possible. If you notice inaccurate or missing information please let us know and we will get it corrected as quickly as possible. Report Missing or Inaccurate Data

Utilities Summary for Greenwich, CT

Electric Companies: 5
Natural Gas Companies: 2
Water & Sewage Providers: 1
Garbage, Trash & Recycling Providers: 3
Municipal Electricity: No
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Utilities in Nearby Cities

Frequently Asked Questions

Can I choose my electric company in Greenwich?

Yes, the state of Connecticut has deregulated electric utilities. Deregulation allows for multiple electric providers within each city and lets customers choose or switch to a provider or plan best fits their needs. Assuming your area has started allowing retail electric competition, you can choose between Constellation Energy and Major Energy or any of the 5 electric providers available in Greenwich.

Can I choose my natural gas utility provider in Greenwich, CT?

Yes, the state of Connecticut has deregulated its natural gas utilties, but only for commercial customers, at this time. Residential customers must use the primary gas company in Greenwich, Connecticut Natural Gas.

What is the average utility bill in Greenwich?

On average, the residents of Greenwich, CT pay around $183.49 total per month on utility bills including electric, gas, water and trash. That means people in Greenwich on average pay 11.6% more than the national average of $164.4 on utilities each month.

Does Greenwich offer municipal electricity services?

No, Greenwich does not provide municipal electric service to it's residents. However, it is likely that there are essential municipal services offered to the Greenwich area, like providing safe and clean water, handling sewage treatment and wastewater disposal by Aquarion Water Co Of Ct-greenwich System.

Who is the fastest internet provider in Greenwich?

Verizon Home Internet is the fastest internet service provider in Greenwich, offering speeds up to 5 Gbps to 86.11% of the city.

Who is the cheapest electricity supplier in Greenwich?

Major Energy is the cheapest electric provider in Greenwich, offering plans starting at $0.1399 /kWh.