- Free Xfinity Mobile Line for 1 year
- Free Peacock Premium*
- Free WiFi Equipment for 24 months
- 5 Year Price Lock*
Electricity
Top 19 Electric Providers in Darien
Constellation Energy
Proven Leader in Clean Energy
- Renewable
- —
- Guarantee
- 90 days
- Rate lock
- 3-36 Months
American Power & Gas
Focus on Affordability
- Renewable
- —
- Guarantee
- None
- Rate lock
- 1-6 Months
Verde Energy
No Cancellation Fees
- Renewable
- —
- Guarantee
- None
- Rate lock
- 12 Months
Green Mountain Energy
100% Renewable Plans
- Renewable
- —
- Guarantee
- 90 days
- Rate lock
- 1-36 Months
- Renewable
- —
- Guarantee
- None
- Rate lock
- 6-15 Months
Public Power
Best for Flexibility
- Renewable
- —
- Guarantee
- None
- Rate lock
- 12-20 Months
Think Energy
Earn Free Electricity Every Month
- Renewable
- —
- Guarantee
- None
- Rate lock
- 12-36 Months
- Renewable
- —
- Guarantee
- None
- Rate lock
- 12 Months
IGS Energy
- Renewable
- —
- Guarantee
- —
- Rate lock
- —
Alpha Gas and Electric
- Renewable
- —
- Guarantee
- —
- Rate lock
- —
Inspire Energy
No Sign Up or Cancellation Fees
- Renewable
- —
- Guarantee
- None
- Rate lock
- 6-12 Months
Illinois Gas & Electric
- Renewable
- —
- Guarantee
- —
- Rate lock
- —
AEP Energy
- Renewable
- —
- Guarantee
- —
- Rate lock
- —
- Renewable
- —
- Guarantee
- —
- Rate lock
- —
Just Energy
Popular Bill Credit Plans
- Renewable
- —
- Guarantee
- 60 days
- Rate lock
- 12-36 Months
NRG Home
Best for Rewards Programs
- Renewable
- —
- Guarantee
- None
- Rate lock
- 3-12 Months
Nordic Energy Services
- Renewable
- —
- Guarantee
- —
- Rate lock
- —
EcoPlus Power
- Renewable
- —
- Guarantee
- —
- Rate lock
- —
- Renewable
- —
- Guarantee
- —
- Rate lock
- —
Rates accurate as of November 3, 2026
EnergySage
Save up to 20%! Get custom solar quotes online, no phone calls required!
- Service
- Home solar
- Quotes
- Free
Plan guides
Compare Plans
How To Switch
Bill Credit Plans
Fixed vs. Variable
Prepaid Plans
Free Nights or Weekends Plan
Renewable Energy
See Top Plans in Your Area
Natural Gas
Top 14 Natural Gas Providers in Darien
Constellation Energy
Trustpilot Rating 4.2/5 ★
- Monthly charge
- —
- Rate lock
- 12-36 Months
- Guarantee
- —
Santanna Energy Services
- Monthly charge
- —
- Rate lock
- 12 Months
- Guarantee
- —
Spark Energy
- Monthly charge
- —
- Rate lock
- 12 Months
- Guarantee
- —
Green Mountain Energy
- Monthly charge
- —
- Rate lock
- 3 Months
- Guarantee
- —
American Power & Gas
- Monthly charge
- —
- Rate lock
- 1-36 Months
- Guarantee
- —
Xoom Energy
- Monthly charge
- —
- Rate lock
- 1-24 Months
- Guarantee
- —
IGS Energy
- Monthly charge
- —
- Rate lock
- —
- Guarantee
- —
- Monthly charge
- —
- Rate lock
- —
- Guarantee
- —
Illinois Energy
- Monthly charge
- —
- Rate lock
- —
- Guarantee
- —
Nordic Energy Services
- Monthly charge
- —
- Rate lock
- —
- Guarantee
- —
Residents Energy
- Monthly charge
- —
- Rate lock
- —
- Guarantee
- —
- Monthly charge
- —
- Rate lock
- —
- Guarantee
- —
From
$0.550
/THM
Check Availability
IDT Energy
- Monthly charge
- —
- Rate lock
- —
- Guarantee
- —
- Monthly charge
- —
- Rate lock
- —
- Guarantee
- —
Rates accurate as of November 3, 2026
See Top Plans In Your Area
Internet
Top 9 Internet Providers in Darien
Xfinity
Lock in Your Price for 5 Years
- Speeds up to
- 2 Gbps
- Type
- Cable & Fiber
- Data cap
- Unlimited
- Availability
- 99.98%
AT&T Fiber
Get a $200 Reward Card*
- Speeds up to
- 5 Gbps
- Type
- Fiber
- Data cap
- Unlimited
- Availability
- 94.27%
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
- 100%
T-Mobile 5G Home Internet
Wireless Internet
- Speeds up to
- 498 Mbps
- Type
- 5G
- Data cap
- 1.2 TB
- Availability
- 100%
AT&T Air
Wireless Internet
- Speeds up to
- 300 Mbps
- Type
- 5G
- Data cap
- Unlimited
- Availability
- 100%
- 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
- Speeds up to
- 5 Gbps
- Type
- Fiber
- Data cap
- Unlimited
- Availability
- 11.41%
*Not all internet providers and speeds are available at every address.
Darien Connectivity
Broadband (100/20 Mbps)
100.0%
1 Gig download
94.7%
Fiber
22.5%
Share of residents with access. Source:
FCC National Broadband Map.
Water & Sewer
Water & Sewage Providers in Darien
D
DARIEN
1702 PLAINFIELD RD DARIEN, IL 60561
- Service
- Water & sewage
- Contact
- Phone
SR
SOUTHEAST REGIONAL WATER FACILITY
17W440 NORTH FRONTAGE ROAD DARIEN, IL 60561
- Service
- Water & sewage
- Contact
- Phone
Darien 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
Darien
Health guideline
Legal limit
Lead Above guideline
1.9 ppb
0 ppb
15 ppb
Chromium (hexavalent) Above guideline
0.2238 ppb
0.02 ppb
None set
Haloacetic acids (HAA5) Above guideline
13.8331 ppb
0.1 ppb
60 ppb
Haloacetic acids (HAA9) Above guideline
23.0713 ppb
.06 ppb
None set
Chromium (total)
0.3375 ppb
100 ppb
100 ppb
Six brominated haloacetic acids
10.2838 ppb
Not set
None set
Molybdenum
1.05 ppb
40 ppb
None set
Strontium
118.0375 ppb
1.5 ppm
None set
Vanadium
0.2625 ppb
21 ppb
None set
Trash & Recycling
Top 4 Trash and Recycling Providers in Darien
FR
Fox River Disposal
7226 Sunrise Ave, Darien, IL 60561
1 additional trash and recycling provider
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 Darien, IL
| Electric Companies: | 19 |
| Natural Gas Companies: | 14 |
| Water & Sewage Providers: | 2 |
| Garbage, Trash & Recycling Providers: | 4 |
| Municipal Electricity: | No |
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Frequently Asked Questions
Can I choose my electric company in Darien?
Yes, the state of Illinois 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 American Power & Gas or any of the 19 electric providers available in Darien.
Can I choose my natural gas utility provider in Darien, IL?
Yes, the state of Illinois has deregulated its natural gas utilities. Deregulation of gas service allows for multiple providers and allows customers to choose between providers and plans that best fit their needs. Assuming your area has started enabling retail gas competition, you can choose between Constellation Energy and Santanna Energy Services or any of the other natural gas providers that offer service in Darien.
Does Darien offer municipal electricity services?
No, Darien does not provide municipal electric service to it's residents. However, it is likely that there are essential municipal services offered to the Darien area, like providing safe and clean water, handling sewage treatment and wastewater disposal by Darien.
Who is the fastest internet provider in Darien?
Xfinity is the fastest internet service provider in Darien, offering speeds up to 2 Gbps to 99.98% of the city.
Who is the cheapest electricity supplier in Darien?
EcoPlus Power is the cheapest electric provider in Darien, offering plans starting at $0.0799 /kWh.
Who is the cheapest natural gas supplier in Darien?
Nordic Energy Services is the cheapest natural gas provider in Darien, offering plans starting at $0.295 /therm.