Electricity
Top 5 Electric Providers in Derby
You pick the provider; United Illuminating delivers the power.
Every plan below runs over the same United Illuminating wires, so reliability is identical. Providers compete on rate, contract, and renewable content.
For outages, always call
United Illuminating at 800-722-5584.
Constellation Energy
Proven Leader in Clean Energy
- Renewable
- 0%
- Guarantee
- 90 days
- Rate lock
- 8-21 Months
Major Energy
Price Protection Plans
- Renewable
- 34%
- Guarantee
- None
- Rate lock
- 12 Months
Xoom Energy
Wide Plan Selection
- Renewable
- 0%
- Guarantee
- None
- Rate lock
- —
Direct Energy
Best for Apartments
- Renewable
- 0%
- Guarantee
- None
- Rate lock
- —
United Illuminating
- Renewable
- —
- Guarantee
- —
- Rate lock
- —
Rates accurate as of November 15, 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
Natural Gas Providers in Derby
Rates accurate as of November 15, 2026
Smell rotten eggs?
Leave immediately, and don't touch light switches, garage openers, or phones. Once you're safely away,
call
Eversource at 800-286-2000 or 911.
What to do if you smell gas
Internet
Top 9 Internet Providers in Derby
Xfinity
Lock in Your Price for 5 Years
- Speeds up to
- 2 Gbps
- Type
- Cable & Fiber
- Data cap
- Unlimited
- Availability
- 99.79%
- Speeds up to
- 7 Gbps
- Type
- Fiber
- Data cap
- Unlimited
- Availability
- 73.25%
Verizon Home Internet
Get 2 Months Free
- Speeds up to
- 5 Gbps
- Type
- Fiber
- Data cap
- Unlimited
- Availability
- 54.96%
Starlink
Internet Anywhere You Are
- Speeds up to
- 400 Mbps
- Type
- Satellite
- Data cap
- Unlimited
- Availability
- 100%
Verizon 5G Home Internet
Wireless Internet Great for Renters
- Speeds up to
- 300 Mbps
- Type
- 5G
- Data cap
- Unlimited
- Availability
- 98.46%
T-Mobile 5G Home Internet
Wireless Internet
- Speeds up to
- 498 Mbps
- Type
- 5G
- Data cap
- 1.2 TB
- Availability
- 96.92%
AT&T Air
Wireless Internet
- Speeds up to
- 300 Mbps
- Type
- 5G
- Data cap
- Unlimited
- Availability
- 98.46%
- Speeds up to
- 150 Mbps
- Type
- Satellite
- Data cap
- 150-850 GB
- Availability
- 100%
- Speeds up to
- Varies
- Type
- Fiber, Cable, 5G, & Satellite
- Data cap
- Varies
- Availability
- 95%
From
$39.95
/mo
Call 866-452-1131
*Not all internet providers and speeds are available at every address.
Derby Connectivity
Broadband (100/20 Mbps)
99.9%
1 Gig download
99.9%
Fiber
69.7%
Share of residents with access. Source:
FCC National Broadband Map.
Trash & Recycling
Trash and Recycling Provider in Derby
1
1-800-Mr-Junker
253 Roosevelt Dr, Derby, CT 06418
Utilities Summary for Derby, CT
Electric companies
5
Natural gas companies
1
Internet providers
9
Trash & recycling providers
1
Municipal electricity
No
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Utilities in Nearby Cities
Frequently Asked Questions
Can I choose my electric company in Derby?
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 Derby.
Can I choose my natural gas utility provider in Derby, 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 Derby, Eversource.
Does Derby offer municipal electricity services?
No, Derby does not provide municipal electric service to it's residents. However, it is likely that there are essential municipal services offered to the Derby area, like providing safe and clean water, handling sewage treatment and wastewater disposal.
Who is the fastest internet provider in Derby?
Xfinity is the fastest internet service provider in Derby, offering speeds up to 2 Gbps to 99.79% of the city.
Who is the cheapest electricity supplier in Derby?
Constellation Energy is the cheapest electric provider in Derby, offering plans starting at $0.1369 /kWh.