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Oncor Electric · ZIP 78728

Cheapest Electricity Plans in Round Rock — Central (ZIP 78728), Texas

Live electricity rates for ZIP code 78728 in the Oncor Electric service area. 41 providers available — compare and enroll online in minutes.

9¢
Lowest Rate (1k kWh)
13.7¢
Avg Rate (1k kWh)
41
Providers

Current Rates in ZIP Code 78728

All rates in ¢/kWh. TDSP delivery fee from Oncor Electric billed separately on your monthly statement.

Provider / Plan 500 kWh 1,000 kWh ★ 2,000 kWh Term Action
Southern Federal Power Llc
Variable Advantage
6% Renewable
 10¢ 9¢ 8.6¢ 1 mo Enroll →
Frontier Utilities
Frontier Power Saver 3
30% Renewable
 9.5¢ 9.1¢ 8.8¢ 3 mo Enroll →
Amigo Energy
Sustainable Lifestyle - 3
31% Renewable
 9.9¢ 9.1¢ 8.6¢ 3 mo Enroll →
Companion Energy
Companion Pro + Perks 3
30% Renewable
 9.5¢ 9.1¢ 8.8¢ 3 mo Enroll →
Energy Texas
The Lone Saver 12
100% Renewable
 19.6¢ 9.7¢ 14.7¢ 12 mo Enroll →
Tara Energy
Value Choice - 12
31% Renewable
 23.4¢ 10.4¢ 16.5¢ 12 mo Enroll →
Octopus Energy Llc
Octo Simple 3
100% Renewable
 13.3¢ 12.8¢ 12.6¢ 3 mo Enroll →
Chariot Energy
Bright Nights 12
100% Renewable
 14.2¢ 12.8¢ 12.1¢ 12 mo Enroll →
Gexa Energy
Gexa Eco Choice 12
100% Renewable
 13.5¢ 13.1¢ 12.8¢ 12 mo Enroll →
Abundance Energy
Confident Renter 12
25% Renewable
 13.7¢ 13.2¢ 13¢ 12 mo Enroll →
Pronto Power
Pronto Saver
26% Renewable
 14.5¢ 13.4¢ 12.8¢ Variable Enroll →
True Power
True Value 24
15% Renewable
 14¢ 13.5¢ 13.3¢ 24 mo Enroll →
Branch Energy (texas) Llc
Branch Fixed 12
100% Renewable
 14¢ 13.6¢ 13.4¢ 12 mo Enroll →
Spark Energy Llc
Choose 15
35% Renewable
 14.2¢ 13.7¢ 13.5¢ 15 mo Enroll →
Budget Power
No Gimmicks 36
35% Renewable
 14.3¢ 13.8¢ 13.6¢ 36 mo Enroll →
Ap Gas & Electric (tx) Llc
TrueClassic 24
6% Renewable
 14.2¢ 13.8¢ 13.6¢ 24 mo Enroll →
Trieagle Energy Lp
Sure Value 36
3% Renewable
 17.4¢ 13.9¢ 15.1¢ 36 mo Enroll →
Txu Energy
Value Edge 12
3% Renewable
 20.4¢ 13.9¢ 18.7¢ 12 mo Enroll →
Bkv Energy
Daisy 12
29% Renewable
 14.3¢ 13.9¢ 13.6¢ 12 mo Enroll →
Revolution Energy Llc
Stars and Stripes 24
26% Renewable
 14.7¢ 13.9¢ 13.5¢ 24 mo Enroll →
Cleansky Energy
Embrace Green 36 - New Customer Special
100% Renewable
 14.5¢ 14¢ 13.8¢ 36 mo Enroll →
Discount Power
Saver 12
24% Renewable
 14.4¢ 14¢ 13.7¢ 12 mo Enroll →
Infuse Energy
Essential Infusion 36
26% Renewable
 14.8¢ 14.1¢ 13.8¢ 36 mo Enroll →
Rhythm
Digital Choice 36
100% Renewable
 14.1¢ 14.2¢ 14.2¢ 36 mo Enroll →
Ae Texas
Smart Secure 36
35% Renewable
 14.8¢ 14.3¢ 14.1¢ 36 mo Enroll →
Octopus Energy
OctopusFlex
100% Renewable
 14.8¢ 14.4¢ 14.2¢ 12 mo Enroll →
Good Charlie & Co Llc
GoodEnergy 12
26% Renewable
 15.5¢ 14.5¢ 14.1¢ 12 mo Enroll →
Heritage Power Llc
Bright Start 24 - $25 credit on your first bill!
25% Renewable
 15¢ 14.5¢ 14.3¢ 24 mo Enroll →
Cirro Energy
Smart Simple 24
24% Renewable
 14.9¢ 14.5¢ 14.2¢ 24 mo Enroll →
Champion Energy Services Llc
Champ Saver-12
26% Renewable
 15¢ 14.5¢ 14.3¢ 12 mo Enroll →
Texans Choice Power Llc
Free Nights 12
35% Renewable
 15.42¢ 15¢ 14.79¢ 12 mo Enroll →
Atlantex Power
Luminous 15
35% Renewable
 15.8¢ 15.3¢ 15.1¢ 15 mo Enroll →
Ranchero Power
Ranchero Fixed Prime - 48
6% Renewable
 16.4¢ 15.4¢ 15¢ 48 mo Enroll →
Just Energy
Basics PTC - 60
31% Renewable
 16¢ 15.5¢ 15.3¢ 60 mo Enroll →
Reliant
Reliant Power On 24 Plan
24% Renewable
 16.4¢ 15.5¢ 15¢ 24 mo Enroll →
Think Energy
Think Clean 36
100% Renewable
 16.4¢ 15.5¢ 15¢ 36 mo Enroll →
Nec Co-op Energy
Residential Electricity... Plain and simple.
17% Renewable
 16.7¢ 15.5¢ 14.9¢ Variable Enroll →
Direct Energy
Autopay Texas 36
24% Renewable
 16.5¢ 15.6¢ 15.1¢ 36 mo Enroll →
Green Mountain Energy Company
Pollution Free e-Plus 24 Choice
100% Renewable
 16.6¢ 15.8¢ 15.3¢ 24 mo Enroll →
Constellation Newenergy Inc
12 Month A/C Protect Plus for 2 Units
26% Renewable
 20.2¢ 16.3¢ 17.1¢ 12 mo Enroll →
Payless Power
PTC 6 Month - Prepaid
26% Renewable
 16.8¢ 16.3¢ 16.1¢ 6 mo Enroll →

★ 1,000 kWh is the Texas standard usage benchmark. Rates include energy charge; TDSP delivery fees billed separately.

About ZIP Code 78728 — Round Rock — Central

ZIP code 78728 is part of the Oncor Electric electric delivery territory in Texas's deregulated electricity market. Residents and businesses in this area can freely choose their Retail Electric Provider (REP) from dozens of competing companies. Your Oncor Electric delivery charges stay the same regardless of which REP you select.

Other ZIP Codes in Dallas-Fort Worth & North Texas

78664786657868178727

← Back to Oncor Electric territory overview

Frequently Asked Questions about ZIP 78728

What is the cheapest electricity rate in ZIP code 78728?
The lowest available plan in ZIP 78728 today is Southern Federal Power Llc — Variable Advantage at 9¢/kWh for 1,000 kWh usage. At 500 kWh usage the rate is 10¢/kWh and at 2,000 kWh it is 8.6¢/kWh. Rates are pulled live from the Texas Power to Choose database.
Who delivers electricity in ZIP code 78728?
ZIP code 78728 is served by Oncor Electric Delivery Company. Oncor Electric owns and maintains the local power lines and is responsible for restoring service during outages. Your energy rate is set by the Retail Electric Provider (REP) you choose — Oncor Electric charges are fixed delivery fees on your bill.
How do I switch electricity providers in ZIP code 78728?
Choose a plan in the table above and click "Enroll →". The entire process takes about 5 minutes online. Your Oncor Electric delivery service continues uninterrupted during the switch. If you are currently under contract, check your cancellation fee before switching — most REPs charge $50–$300 for early termination.