- Free modem and anti-virus software
- No contracts and unlimited data
- Bundle with TV to save more
- Speeds up to 7 Gbps**
Electricity
Top 34 Electric Providers in St. Marys
Clearview Energy
Carbon-Free Commitment
- Renewable
- 100%
- Guarantee
- None
- Rate lock
- 6-24 Months
American Power & Gas
Focus on Affordability
- Renewable
- 25%
- Guarantee
- None
- Rate lock
- 1-6 Months
Public Power
Best for Flexibility
- Renewable
- 0%
- Guarantee
- None
- Rate lock
- 12-20 Months
APG&E
Best for Low Rates
- Renewable
- 6-100%
- Guarantee
- None
- Rate lock
- 1-36 Months
Energy Harbor
100% Carbon-Free Electricity
- Renewable
- 100%
- Guarantee
- None
- Rate lock
- 9-20 Months
CleanSky Energy
100% Renewable Energy
- Renewable
- 100%
- Guarantee
- None
- Rate lock
- 3-24 Months
Santanna Energy Services
Employee-Owned
- Renewable
- 100%
- Guarantee
- 90 days
- Rate lock
- 12 Months
OHG&E
- Renewable
- —
- Guarantee
- None
- Rate lock
- 8-24 Months
Better Buy Energy
No Cancellation Fees
- Renewable
- —
- Guarantee
- None
- Rate lock
- 8-24 Months
Dynegy
Total Satisfaction Guarantee
- Renewable
- —
- Guarantee
- 90 days
- Rate lock
- 8-24 Months
Brighten Energy
No Cancellation or Extra Fees
- Renewable
- 100%
- Guarantee
- None
- Rate lock
- 8-24 Months
Provision Power & Gas
Zero Cancellation Fees
- Renewable
- 100%
- Guarantee
- None
- Rate lock
- 1-12 Months
Major Energy
Price Protection Plans
- Renewable
- 100%
- Guarantee
- None
- Rate lock
- 12 Months
nTherm
- Renewable
- —
- Guarantee
- —
- Rate lock
- —
Just Energy
Popular Bill Credit Plans
- Renewable
- 31%
- Guarantee
- 60 days
- Rate lock
- 12-36 Months
Median Energy
- Renewable
- —
- Guarantee
- —
- Rate lock
- —
Nordic Energy Services
- Renewable
- —
- Guarantee
- —
- Rate lock
- —
NRG Home
Best for Rewards Programs
- Renewable
- —
- Guarantee
- None
- Rate lock
- 3-12 Months
Powervine Energy
- Renewable
- —
- Guarantee
- —
- Rate lock
- —
- Renewable
- —
- Guarantee
- —
- Rate lock
- —
Direct Energy
Best for Apartments
- Renewable
- 24%
- Guarantee
- None
- Rate lock
- 12-36 Months
Town Square Energy
- Renewable
- —
- Guarantee
- None
- Rate lock
- —
Inspire Energy
No Sign Up or Cancellation Fees
- Renewable
- —
- Guarantee
- None
- Rate lock
- 6-12 Months
AEP Energy
- Renewable
- —
- Guarantee
- —
- Rate lock
- —
XOOM Energy
Wide Plan Selection
- Renewable
- —
- Guarantee
- None
- Rate lock
- 6-24 Months
Residents Energy
- Renewable
- —
- Guarantee
- —
- Rate lock
- —
Constellation Energy
Proven Leader in Clean Energy
- Renewable
- 26-100%
- Guarantee
- 90 days
- Rate lock
- 3-36 Months
- Renewable
- 100%
- Guarantee
- None
- Rate lock
- 12 Months
IGS Energy
- Renewable
- —
- Guarantee
- —
- Rate lock
- —
Alpha Gas and Electric
- Renewable
- —
- Guarantee
- —
- Rate lock
- —
- Renewable
- —
- Guarantee
- —
- Rate lock
- —
South Bay Energy
- Renewable
- —
- Guarantee
- —
- Rate lock
- —
CO
City of St. Mary's Electric Dept.
- Renewable
- —
- Guarantee
- —
- Rate lock
- —
- Renewable
- —
- Guarantee
- —
- Rate lock
- —
Rates accurate as of November 1, 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 21 Natural Gas Providers in St. Marys
Constellation Energy
Trustpilot Rating 4.2/5 ★
- Monthly charge
- —
- Rate lock
- 12-36 Months
- Guarantee
- —
Santanna Energy Services
Employee-Owned
- Monthly charge
- —
- Rate lock
- 12 Months
- Guarantee
- —
American Power & Gas
Focus on Affordability
- Monthly charge
- —
- Rate lock
- 1-36 Months
- Guarantee
- —
Direct Energy
Trusted by 4 Million Customers
- Monthly charge
- —
- Rate lock
- 12-18 Months
- Guarantee
- —
Major Energy
Price Protection Plans
- Monthly charge
- —
- Rate lock
- 6-12 Months
- Guarantee
- —
XOOM Energy
Wide Plan Selection
- Monthly charge
- —
- Rate lock
- 1-24 Months
- Guarantee
- —
NRG Home
Best for Rewards Programs
- Monthly charge
- —
- Rate lock
- —
- Guarantee
- —
nTherm
- Monthly charge
- —
- Rate lock
- —
- Guarantee
- —
Nordic Energy Services
- Monthly charge
- —
- Rate lock
- —
- Guarantee
- —
Eastern Power & Gas
- Monthly charge
- —
- Rate lock
- —
- Guarantee
- —
Median Energy
- Monthly charge
- —
- Rate lock
- —
- Guarantee
- —
OHG&E
- Monthly charge
- —
- Rate lock
- —
- Guarantee
- —
Energy Harbor
100% Carbon-Free Electricity
- Monthly charge
- —
- Rate lock
- —
- Guarantee
- —
Mercury Energy Marketing
- Monthly charge
- —
- Rate lock
- —
- Guarantee
- —
Clearview Energy
Carbon-Free Commitment
- Monthly charge
- —
- Rate lock
- —
- Guarantee
- —
IGS Energy
- Monthly charge
- —
- Rate lock
- —
- Guarantee
- —
AEP Energy
- Monthly charge
- —
- Rate lock
- —
- Guarantee
- —
Just Energy
Popular Bill Credit Plans
- Monthly charge
- —
- Rate lock
- —
- Guarantee
- —
Snyder Brothers Energy
- Monthly charge
- —
- Rate lock
- —
- Guarantee
- —
Greenlight Energy
- Monthly charge
- —
- Rate lock
- —
- Guarantee
- —
- Monthly charge
- —
- Rate lock
- —
- Guarantee
- —
Rates accurate as of November 1, 2026
See Top Plans In Your Area
Internet
Top 9 Internet Providers in St. Marys
Spectrum
Most Affordable Plans
- Speeds up to
- 7 Gbps**
- Type
- Cable & Fiber
- Data cap
- Unlimited
- Availability
- 95.01%
AT&T Fiber
Get a $200 Reward Card*
- Speeds up to
- 5 Gbps
- Type
- Fiber
- Data cap
- Unlimited
- Availability
- 68.9%
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
- 99.16%
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
- 7 Gbps
- Type
- Fiber
- Data cap
- Unlimited
- Availability
- 31.68%
*Not all internet providers and speeds are available at every address.
**7 Gbps speed is available in select markets.
St. Marys Connectivity
Broadband (100/20 Mbps)
99.1%
1 Gig download
98.4%
Fiber
98.4%
Share of residents with access. Source:
FCC National Broadband Map.
Water & Sewer
Water & Sewage Providers in St. Marys
SM
ST MARYS CITY
101 E Spring Street ST. MARYS, OH 45885
- Service
- Water & sewage
- Contact
- Phone
St. Marys drinking water quality: 5 contaminants above health guidelines, 2 contaminants above legal limits
Primary source: groundwater. 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
St. Marys
Health guideline
Legal limit
Copper Above legal limit
35000 ppb
1300 ppb
1300 ppb
Lead Above legal limit
175.9 ppb
0 ppb
15 ppb
Chromium (hexavalent) Above guideline
0.06 ppb
0.02 ppb
None set
Lithium Above guideline
20.9 ppb
9 ppb
None set
Strontium Above guideline
4787.5 ppb
1.5 ppm
None set
Molybdenum
30.15 ppb
40 ppb
None set
Vanadium
0.2735 ppb
21 ppb
None set
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 St. Marys, OH
| Electric Companies: | 34 |
| Natural Gas Companies: | 21 |
| Water & Sewage Providers: | 1 |
| Municipal Electricity: | Yes |
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Utilities in Nearby Cities
Frequently Asked Questions
Can I choose my electric company in St Marys?
Yes, the state of Ohio 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 Clearview Energy and American Power & Gas or any of the 34 electric providers available in St Marys.
Can I choose my natural gas utility provider in St Marys, OH?
Yes, the state of Ohio 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 St Marys.
Does St Marys offer municipal electricity services?
Yes, City of St. Marys is a municipal electric provider and supplies most residents of St Marys with electricity. Most cities also offer essential municipal services like water, sewage treatment and wastewater disposal.
Who is the fastest internet provider in St Marys?
Spectrum is the fastest internet service provider in St Marys, offering speeds up to 7 Gbps to 95.01% of the city.
Who is the cheapest electricity supplier in St Marys?
Santanna Energy Services is the cheapest electric provider in St Marys, offering plans starting at $0.0000 /kWh.
Who is the cheapest natural gas supplier in St Marys?
NRG Home is the cheapest natural gas provider in St Marys, offering plans starting at $0.2977 /therm.