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[H2] Why Millions of Americans Choose Constellation
We work hard to give you tips to save energy, provide best-in-class customer service, and offer energy-efficient solutions for your home. There are a number of reasons millions of Americans choose Constellation for their home energy needs, including:

They keep me informed on what is happening and always reach out to see if I have any questions or concerns. I'm glad we have a choice, and I'm more than satisfied with Constellation.

- Dan in Hamden, CT

Since the beginning, Constellation has been very transparent in all our correspondence. I am reminded each month of usage patterns. I appreciate this support.

- Jill in York, PA

I have been with Constellation a few years now. I've been very happy with their rates and their customer service is truly outstanding.

- Phillip in Texas

Constellation provides good, quality service at an affordable price. They also help to promote and be involved in programs for the community and local schools.

- Harry in Macon, GA

[H2] Constellation By The Numbers
As the nation’s largest producer of clean and reliable energy, we're providing services to help our customers manage their energy needs. We are also committed to giving back to the communities we serve, including through grant programs that support various local initiatives.

[H2] 25+

Years serving customers across the U.S.

[H2] 4.9☆

Rating from more than 7,600 reviews on Google

[H2] $1.6M

Donated to nonprofits in the communities we serve

Learn More About Where We Provide Residential Energy Services

Texas

Georgia

Connecticut

Ohio

Pennsylvania

More States

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Which Should You Choose?

[H2]
Fixed vs. Variable Rate Energy Plans

Understand What to Look for When Picking a Provider

[H2]
How to Choose an Energy Supplier When Switching

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Get a fixed rate energy plan and avoid fluctuating energy costs

[H2]
Find the Right Fit For Your Small Business

Get Energy Insights from Our Experts

[H2]
Become A Customer and Tap into Our Energy Intelligence Resources

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Fixed vs. Variable Rate Plans
How to Choose an Energy Provider When Switching
Find the Right Fit For Your Small Business
Get Energy Insights from Our Experts

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Energy 101

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[H2] Understanding Energy and Choosing What’s Best for You
As the energy market continues to grow and evolve, it’s important for customers to have the most relevant and up-to-date information. The following resources offer just that, helping you to better understand your energy options and costs, effectively monitor and manage your energy usage, and take greater control over your total home energy costs.

Energy
Innovation Energy
Choice Weather
Preparedness Energy
Education Energy
Savings Tips Energy
Safety Tips Moving
Tips Electric
Vehicles FAQs
Blogs

[H2]
ENERGY INNOVATION

View All

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Best Thermostat Temperatures for Summer & Winter

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What Is Energy Conservation?

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What Is Water Conservation?

[H2] ENERGY CHOICE

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What Is Energy Choice?

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How to Choose an Energy Supplier When Switching

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How to Shop for an Electricity or Natural Gas Plan

[H2] WEATHER PREPAREDNESS

View All

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How to Report a Power Outage

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How to Report a Natural Gas Outage

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Hurricane Safety Tips

[H2] ENERGY EDUCATION

View All

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Understanding How to Read Your Electricity & Natural Gas Bills

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When Are Electricity Rates Lowest?

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What is a Variable vs. Fixed-Rate Energy Plan?

[H2] ENERGY SAVINGS TIPS

View All

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Energy Saving Tips That Can Make a Difference

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Home Energy Savings Tips

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The Homeowners’ Guide to Tax Credits and Rebates

[H2] ENERGY SAFETY TIPS

View All

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Electrical Safety Tips for Your Home

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Natural Gas Safety Tips for Your Home

[H2] MOVING TIPS & TRICKS

View All

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How to Pack for a Move: A Checklist by Room

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Change of Address Checklist

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Guide to Moving to Texas

[H2] Electric Vehicles

View All

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What is an Electric Vehicle and How Does it Work?

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How Much Does It Cost to Charge an Electric Car?

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What You Need to Know When Installing an EV Charger At Home

[H3] Frequently Asked Questions
Get Answers

[H3] Commercial & Industrial Blog
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[H3] Residential & Small Business Blog
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Home Page

Constellation’s Energy Solutions

For Your Home

Home Energy Options

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[H2] Compare Energy Plans for Your Home

Constellation offers a variety of home energy options to fit the budgets, values and needs of residents across the United States. These services include electricity, natural gas, and renewable energy.

[H3] Residential Plans

Provide your zip code to compare rates in your area

Looking for a new energy supplier? Constellation offers a variety of energy options for your home. Sign up with Constellation today

[H2]
Constellation's Home Energy Options
Constellation offers energy-focused products and home services in select areas of Texas, Maryland and Atlanta to help make your home more comfortable and energy efficient.

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[H3] Electricity Plans
Protect your budget with fixed-rate electricity plans. Find all of Constellation’s home energy options and compare energy plans based on your area’s electricity supplier rates and terms.
Explore Electricity Plans

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[H3] Natural Gas Plans
Compare natural gas rates and other home energy options that fit your household budget. Choose from a variety of plans, including fixed-rate natural gas plans, to lock in your energy rate.
Explore Natural Gas Plans

[IMG: Renewable electricity plans from Constellation]

[H3] Renewable Electric Plans
Support sustainable energy efforts while locking in a fixed-rate electricity plan. You can enter your zip code to compare home energy plans that are sourced by 100% wind and/or solar power for your home.
Explore Renewable Plans

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[H3] Electric Vehicle Plans
Protect your budget with fixed-rate electricity plans. Find all of Constellation’s home energy options and compare energy plans based on your area’s electricity supplier rates and terms.
Explore Electric Vehicle Plans

[IMG: Natural gas plans from Constellation]

[H3] Nuclear Energy Plans
Compare natural gas rates and other home energy options that fit your household budget. Choose from a variety of plans, including fixed-rate natural gas plans, to lock in your energy rate.
Explore Nuclear Energy Plans

[H2] Energy Solutions by State

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Energy users were once only given one option for their energy, the local utility, but retail energy companies can now compete for your business. When you live in an energy-choice state, this means that you have a chance to choose who supplies your energy, compare home energy plans and select the best one that fits your needs.
This gives you the ability to find a rate price and lock it in with a fixed-rate plan. Click a state to see what home energy options and services are available in your area.

Texas Energy
Georgia Energy
Connecticut Energy
Delaware Energy
Illinois Energy
Indiana Energy
Kentucky Energy
Massachusetts Energy
Michigan Energy
Nebraska Energy
New Jersey Energy
Ohio Energy
Pennsylvania Energy
Virginia Energy
Washington, D.C. Energy
Wyoming Energy

Constellation's energy options by state

[H2] Other Services Offered by Constellation
Constellation is known for its variety of home energy plans, but we also offer home services that can improve your home’s security, boost the energy efficiency of your home, and give you peace of mind, knowing that Constellation’s got you covered.

[H3]
Home Services
Constellation offers energy-focused products and services in select areas of Texas, Maryland, Atlanta and Philadelphia to help make your home more comfortable and energy-efficient. Our trained experts can come out to your home to assess problems with air conditioning, heating, plumbing, and more. At Constellation, we offer energy made efficient.
Get Constellation's Home Services

[H3]
Electricity + A/C Protection
In select areas of Texas, such as Houston and Dallas, Constellation offers an A/C protection plan with a Constellation electricity plan. With our A/C protection plan, residents can rest assured that if their A/C breaks, a certified, local technician will be sent to their home to repair their equipment, 24/7.
Get Electricity + A/C Service

[H3] Are you a small business owner? Find a fixed-rate energy plan here

[H2] When you join the Constellation family, you can:

[IMG: Constellation supports hundreds of nonprofit organizations each year through the Community Champions program.]

[H3] Support Great Causes
We are energy for the community. Constellation has donated more than $400,000 to over 800 groups across the United States. Constellation customers can nominate local causes they care about to receive small grants (up to $500) through our Community Champions program.
Learn how to apply

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[H3] Refer a Friend for Extra $
With Constellation's Refer a Friend program (RAF), you can pass on energy savings! Refer a friend at any point, and you'll receive a $50 gift card*- and so will your friend. You can tell your friends about our home energy plans and share to earn rewards today.
Learn more about the program

[H2] EV Charger Installation
Not only is it convenient to charge at home, home charging is significantly cheaper, roughly one-third the cost of DC fast-charging at public stations.1
To help you take advantage of these savings, Constellation offers EV charger installation services in select states.

[H3] What You Can Expect

Professional and safe installation you can trust
Upfront, transparent pricing with instant quotes
Fast, convenient service—get installation in just one day
Comprehensive post-install support and extended warranty

Get a Personalized Quote Today!

[H2] Incentives & Rebates
62% of EV owners are NOT taking advantage of all of the available incentives and rebates they are eligible for.2

Find Incentives

[H2] Electricity Plans for Your EV
The cost to generate electricity at night is lower and also when many people tend to charge their electric vehicle.
With our EV plans, you can take advantage of those lower costs. Now available in Houston and Dallas and Philadelphia. To be notified when EV electricity plans are available in your area, click the button below to join our waitlist.

Learn More About Our EV Plans

Join the Waitlist

[H2] Compare EV Ownership Costs
There are more electric vehicles than ever before. Constellation can help you explore options and understand costs.
Compare EV models to a similar gas vehicle to see how much you could save in five years on maintenance, fuel and other ownership costs.

Get Started

[H2] EV Owner 101

EV Facts

EV Charging Facts

General EV FAQs

[H3]
What can I expect my costs to be with an EV?

Beyond the initial sticker price, owning an Electric Vehicle (EV) offers numerous cost-saving advantages. Potential tax incentives, lower maintenance expenses, and specialized EV electricity rate plans all contribute to reducing long-term costs. Charging an EV is often cheaper than refueling a traditional vehicle with gas, with evolving electricity rate structures continuously enhancing affordability and sustainability.
Source: KBB

[H3]
Are maintenance costs similar to that of a gas-powered vehicle?

Electric vehicles typically require less maintenance than their gas-powered counterparts and plug-in hybrids. This reduced need for upkeep stems from the fewer moving parts in an electric motor compared to a combustion engine, which means less wear and tear over time. Additionally, EVs don't require oil changes, fuel filters, spark plugs, or emission checks, which are common maintenance items for gasoline vehicles.
Source: energy.gov

[H3]
How long does an EV battery last?

EV batteries are designed to last between 10 and 20 years, with the exact lifespan influenced by your driving habits and how well you maintain the vehicle. All automakers offer a minimum 8-year, 100,000-mile warranty on battery packs, with some extending the warranty up to 150,000 miles. With attentive care, it's possible to exceed the mileage covered by the warranty. Remember, the longevity of your battery will also depend on the specific model of your vehicle and the environmental conditions you often encounter.
Sources:  US News & World Report, Car and Driver

[H3]
How does the efficiency of a Level 1 charger compare to the efficiency of a Level 2?

The charging efficiency varies depending on the type of charger you use. A Level 1 charger will typically add about 5 miles of range per hour of charging. On the other hand, a Level 2 charger can significantly boost this rate to approximately 40 miles per hour, allowing for quicker and more efficient charging.

[H3]
How far can I go on a charge?

The distance you can travel on a single charge largely depends on your vehicle's battery size and your driving habits. Most EVs are equipped with batteries that can satisfy the daily travel needs of over 85% of American drivers. For those with a battery range of 250 miles or more, nearly all charging can be done at home, with only about six visits to a DC fast-charging station required annually.
Sources: EPA, Consumer Reports

[H3]
Where can I charge it?

Charging stations are readily available in public locations, and links to these can often be found through various online resources. You can find public charging stations here. Additionally, many EV owners find it convenient and cost-effective to install a charger at home, enhancing their charging accessibility. You can arrange for home charger installation through professional services that offer detailed guidance and support.

[H3]
Will my new charger work with my current electric outlet or do I need to make changes?

Your existing 110–120V AC outlet can be used to charge your EV, though it will charge at a slower rate of about 5 miles per hour. For a faster charging experience, approximately 40 miles per hour, you might consider installing a Level 2 charger. It's advisable to consult a licensed electrician to determine if your electric panel requires any modifications to accommodate this.
Source: HelloTech

[H3]
Can an EV charger be installed inside or outside of a garage?

EV chargers are versatile and can be installed either inside or outside of a garage. Most home chargers are designed to be weather-resistant, ensuring they can operate effectively outdoors. To further enhance safety and reliability, consider adopting an EV electrical protection plan tailored for your installation.

[H3]
How do I schedule charging for my EV?

Use a smart charging app or vehicle infotainment system: Most EV manufacturers and/or charger manufacturers provide mobile apps or in-vehicle infotainment systems that allow you to schedule charging sessions. In the app or system, look for options like "Schedule Charging," "Departure Times," or "Charging Times."
Set charging times: You can typically set a start and end time for when you want the charging session to occur. For example, you could schedule charging to start at 11 PM and end at 6 AM* to take advantage of off-peak electricity rates.
*align with your utility or electricity rate plan off peak hours
Customize weekly schedules: Some apps and systems allow you to set different charging schedules for each day of the week to align with your routine.
This way, you can have different schedules for weekdays versus weekends.
Source: EV.Energy

[H3]
How can I optimize my battery charging and maintenance?

Battery charging best practices: Follow the 20-80% rule: Keep the battery charged between 20-80% state of charge (SoC) as much as possible. This "green zone" helps improve battery life. Avoid full charge (100% SoC): Minimize the time the battery spends at 100% charge, as extremely high states of charge can stress the battery. Unplug once it reaches 80% or set a partial charge limit. Don't let it go to 0%: Avoid letting the battery completely drain to 0% SoC, as extremely low states of charge also degrade the battery faster.
Use optimal charging profiles: Utilize charging profiles or schedules that optimize the charging rate and pattern for your specific battery chemistry, maximizing lifespan.
Precondition the battery: Some EVs allow preconditioning the battery to an optimal temperature before charging, improving efficiency.
Temperature management: Avoid extreme temperatures: High temperatures accelerate battery degradation, while low temperatures can damage the battery when charging. Park in shade/use cooling: In hot weather, park in the shade and keep the EV plugged in to allow the battery cooling system to run. Use battery heating: In cold weather, plug in the EV to allow the battery heating system to run on grid power.
General battery care: Follow manufacturer guidance: Check your EV's owner's manual for the manufacturer's specific recommendations on optimal charging, operating temperatures, and battery repair/replacement. Use battery management systems: Leverage the EV's battery management system or cloud-based services to optimize charging profiles and monitor battery health.
Sources: Black Ridge Research, Xcelerate, Univeristy of Michigan, Bosch

[H3]
How do I alleviate “Range Anxiety”?

[H3] Factors That Affect Range:
The Car Itself: Tire pressure, tire condition, vehicle weight, and use of accessories such as climate control, infotainment, etc. all affect range to varying degrees. The same goes for extra weight such as pulling a trailer, or a loaded roof box will reduce your range like it would in a combustion engine gas powered vehicle.
Weather and Road Conditions: Extreme temperatures (hot or cold), windy conditions, hilly or mountainous terrain, and road surface conditions can have an impact the range. Preheating the car while it’s being charged can effectively increase range in cold or hot weather.
Driving Habits: Aggressive acceleration, rapid speed changes, high speed driving, towing can all decrease the range of your EV. A calmer approach behind the wheel will get you those desired extra miles and extend the range.
[H3] How to Extend the Range:
Plan Your Charge: Use apps or in-vehicle navigation to locate charging stations along your route and plan charging stops accordingly.
Pre-Heat or Pre-Cool: Use the pre-conditioning feature to heat or cool the cabin while still plugged in, reducing battery drain during driving.
Manage Your Speed: Maintain a consistent, moderate speed to maximize efficiency and range.
Select Eco Climate Settings: Use the vehicle's eco or range mode to optimize climate control and other systems for maximum range.
Plug In More Often When Cold: In cold weather, plug in the vehicle whenever possible to allow the battery to warm up and maintain optimal temperature.
[H3] Understanding Range:
EPA Range: The Environmental Protection Agency (EPA) provides an estimated range for EVs based on standardized testing procedures. This range is a useful reference but may not reflect real-world driving conditions. To make the numbers easier to understand, the EPA provides a miles-per-gallon equivalent measurement (MPGe) to offer a comparison to gas powered vehicle estimates.
Real-World Range: The actual range of an EV can vary significantly from the EPA estimate due to factors like driving habits, weather conditions, and terrain. Real-world range is typically lower than the EPA estimate. These factors change across different circumstances, which means that the real-world range will also change.
[H3] Maximizing Real-World Range:
The following measures will have a positive impact on your real-life range.
Follow the manufacturer's recommendations for optimal battery care and charging practices.
Adopt eco-friendly driving habits, such as gradual acceleration and braking, and maintaining a moderate speed.
Use the vehicle's range-maximizing features, such as eco mode and regenerative braking.
Plan routes and charging stops in advance, taking into account factors like weather, terrain, and traffic conditions.
Monitor the vehicle's range display and adjust driving habits or make charging stops as needed.
Sources: EVBox, Samsara, PodPoint, EV Charging Solutions

[H3]
What types of EV chargers can I install at home?

For residential use, a Level 2 charger is the most common and efficient option. It can be installed in two ways:
Hardwire Charger Installation: A hardwired charger is directly connected to your home's electrical wiring or a junction box, requiring professional installation by an electrician. Constellation Home prefers hardwired EV charger installations for their enhanced safety, reliability, and higher charging speeds, ensuring a seamless integration into your home’s electrical system. This method offers a durable, weather-resistant solution and complies with local building codes.
Plug Charger Installation: This type uses a NEMA (240 Volt) plug connected to a cable (10-25 feet long) that plugs into a corresponding outlet. If your home already has a compatible NEMA outlet, you can directly plug in your charger. Otherwise, a qualified electrician can install the necessary outlet. Adapters are also available for different NEMA socket types. Constellation recommends a hardwired installation for a safer, more reliable, and efficient charging experience, ensuring your home’s infrastructure is adequately prepared for the demands of electric vehicle charging.
Other types of EV Chargers include:
Level 1 Chargers: Level 1 charging, utilizing a standard 120V household outlet, offers an accessible method of EV charging. However, its slower charging rate—typically delivering about 4-5 miles of range per hour—may not be adequate for drivers who frequently cover more than minimal distances. For those with regular or extensive driving needs, this charging option may prove less practical.
Level 3 “DC Fast Chargers”: While extremely efficient at charging EVs quickly, Level 3 chargers are not suitable for home installation. These chargers require a direct current (DC) supply, whereas residential settings typically only support alternating current (AC). Additionally, the high power requirement and infrastructure changes necessary for DC fast charging are impractical and economically unfeasible for typical home use.
For more information on EV Chargers available through Constellation Home (or their authorized service providers) as well as scheduling installation, click here.

[H3]
What is the process for installing an EV Charger in my home?

Constellation Home offers a seamless process for bringing EV charging to your home. After completing the digital enrollment process to purchase your EV Charger and schedule your installation, customers can expect the following:
Preparation: Prior to arrival, your technician will have reviewed photos of your electrical panel and the planned charger. High-quality photos streamline the preparation process for your technician, ensuring a smooth and efficient installation experience. Expect to exchange photos and information with the technician, possibly including better photos or Google Maps references.
Wire Assessment: The amount of wire needed will be estimated based on the distance between the electrical panel and the charger location. We may need to revise your installation cost if: (1) the information you provide is incomplete or untrue; or (2) the cost to install the EV charger in your home exceeds our Ordinary Costs. “Ordinary Costs” for installing an EV charger includes labor and material to install (in accordance with local code requirements) one 240V dedicated circuit and mount for the Level 2 charger you purchased. Please review your Installation Contract for full details.
Ordinary Costs do not i