Constellation and Tara Energy Logos

Compare Constellation vs. Tara Energy

Tara Energy and Constellation have been providing energy solutions for over 20 years and offer fixed-rate energy plans. Tara Energy offers energy plans that include free usage periods, like free nights or free days, while Constellation’s plans have extras like bill credits and breakdown coverage for HVAC systems and water heaters.

Both are leading retail energy providers (REPs) in Texas, but which one is right for you? Let’s explore.

Constellation vs. Tara Energy Savings Scores

Category Tara Energy Constellation
Plan Options 5 5
Uniqueness of Plans 4 4
Customer Service 5 4
Accessibility 5 4
Extra Features 5 5
Total Energy Savings Score 4.8/5 4.4/5

Constellation excels at:

  • Automatic energy rewards you can use in countless ways to save
  • $150 gift card to cover early termination fees from other REPs
  • Free cancellations within the 90-day Guarantee Period

Tara Energy excels at:

Constellation vs. Tara Energy Electricity Plans & Rates

Tara Energy’s and Constellation’s electricity plans and rates vary by location. See the chart below for an idea of what’s available and potential rates.

Constellation Electricity Plans & Rates

Rates are in cents/kWh for 1000kWh usage. The prices may vary depending on the utility. Data is obtained from powertochoose.org (Power to Choose.) The data above is reflecting only English plans. Some plans shown on the table above may not be available through our site.

Tara Energy Electricity Plans & Rates

Rates are in cents/kWh for 1000kWh usage. The prices may vary depending on the utility. Data is obtained from powertochoose.org (Power to Choose.) The data above is reflecting only English plans. Some plans shown on the table above may not be available through our site.

Additional Details about Constellation vs. Tara Energy

Below is a side-by-side table of plans available from Tara Energy and Constellation

Category Tara Energy
Constellation
Plan Types Fixed-rate, variable, time-of-use plans Fixed rate, renewable energy
Term Lengths Available 12, 24, 36, 60 months 12, 24, 36 months
Renewable Energy Options Yes Yes
Refer-A-Friend Rewards Yes Yes
Switch Plan Fees No Not within the first 90 days
Fixed Rate Plan Early Termination Fees $175 fee $150
*Last updated on Updated on August 31, 2026 based on plans showing on the respective energy provider’s website and powertochoose.org.

How to Choose the Right Texas Energy Company for You

Choosing the right plan for you can be easy if you know the points to compare. When looking at different energy plans, you’ll want to consider:

  • What your actual energy rates might total based on your usage history
  • Early termination fees
  • Plan extras, such as rewards, bonuses, and perks
  • Additional plan options, such as renewable energy options or bill credits
  • Website and mobile user friendliness

Choose Tara Energy if…

Choose Tara Energy if you want flexible plans and green energy plan addons.

Choose Constellation if…

Choose Constellation if you want an extended period to try out your new energy service or want flexible rewards for your energy usage.

Constellation vs. Tara Energy Frequently Asked Questions

DON'T ADD A QUESTION HERE.

DON’T ADD CONTENT HERE.

What clean energy options does Constellation offer in Texas?
Constellation offers green energy plans that match your household energy usage with 100% wind or solar renewable energy credits.
How long has Tara Energy been in business?
Tara Energy first opened its doors in 2002 in Texas.
Does Tara Energy operate outside of Texas?
No, Tara Energy only operates in Texas’s deregulated energy areas.