Constellation

Major National Provider 100% Green

Nation's largest producer of carbon-free energy with competitive Texas electricity plans

3.8/5 (620 reviews)

"Great rates and easy online account management."

Customer review on Google Reviews, 2025-11-05

Founded 1999

11.8¢

Constellation Energy Corporation (NYSE: CEG)

PUCT #10014

27+ Years

Baltimore, MD

Updated 2026-05-31

Featured Constellation Plans

Constellation 12 Month Fixed

11.5¢per kWh

Term: 12 months
Type: Fixed
Est. monthly: $115 at 1,000 kWh
Green: 0%

Early termination fee: $150

Stable fixed rate

Constellation Green 12

12.2¢per kWh

Term: 12 months
Type: Fixed
Est. monthly: $122 at 1,000 kWh
Green: 100%

Early termination fee: $150

100% renewable energy

Showing top 2 plans from Constellation. Enter your ZIP below to see live rates available at your address.

Price-checked August 26, 2026 from live Oncor-area pricing at 1,000 kWh

We price-checked Constellation's current plans

These figures are computed from the plans listed on ElectricRates at build time, all-in with TDU delivery charges, never typed in by hand. Rates differ by TDU territory and usage level; the plan's Electricity Facts Label is the authority.

Plans checked: 2; live pricing, every plan we list
Lowest all-in rate: 13.5¢; per kWh at 1,000 kWh, Oncor delivery included
Median rate: 13.9¢; per kWh at 1,000 kWh
Contract terms: 12 mo; shortest to longest
100% renewable: 0; plans
Bill-credit cliffs: 0; plans flagged

Available Plans

Loading plans...

Overview

11.8¢

Avg Rate

3.8/5

Rating

12-12 mo.

Terms

100%

Green

Plan Types: Fixed Variable Free Nights 100% Green

Pros & Cons

Strengths

Nation's largest carbon-free energy producer
Competitive fixed-rate plans with 12-24 month terms
Weekly usage reports for bill management
Strong financial stability (NYSE: CEG)

Watch Out For

$150 early termination fee on most plans
Customer service wait times reported
Tiered plans can be confusing
Not a Texas-based company

About Constellation

Constellation is the nation's largest producer of carbon-free energy, serving over 2 million customers across 16 states including Texas. The company traces its history back to 1999 and became independent in 2022 after separating from Exelon.

Plans & Pricing

Constellation offers fixed-rate and variable plans for Texas customers, including 100% renewable energy options. Plan terms typically range from 12 to 24 months.

Rate Analysis

Constellation rates typically range from 10.5¢ to 13¢ per kWh depending on plan type and term length. Their pricing is generally competitive with major providers.

Customer Feedback

What Customers Like

"Great rates and easy online account management."

Google Reviews

Common Concerns

"Long hold times when calling customer service."

BBB

Frequently Asked Questions

Is Constellation a good electricity provider?

Constellation is the nation's largest carbon-free energy producer and serves over 2 million customers. They have competitive rates but some customers report longer customer service wait times.

Source: a third-party review site