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. 44 providers available — compare and enroll online in minutes.

7.7¢

Lowest Rate (1k kWh)

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13.5¢

Avg Rate (1k kWh)

Enter your ZIP for the most accurate rates

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
Energy Texas The Lone Saver Plus 12 100% Renewable	20.1¢	7.7¢	14¢	12 mo	Enroll →
Rhythm Rhythm Max Saver 12 100% Renewable	20.1¢	7.7¢	14¢	12 mo	Enroll →
Discount Power Bill Credit Bundle 13 22% Renewable	20.8¢	7.9¢	13.9¢	13 mo	Enroll →
Just Energy Smart Choice - 12 31% Renewable	23.4¢	10.4¢	16.5¢	12 mo	Enroll →
Infuse Energy PTC Infusion Flex 26% Renewable	11.6¢	10.7¢	10.2¢	1 mo	Enroll →
Revolution Energy Llc Liberty Bell Flex 26% Renewable	11.4¢	10.7¢	10.3¢	1 mo	Enroll →
Budget Power No Gimmicks 12 35% Renewable	12.8¢	12.3¢	12.1¢	12 mo	Enroll →
Frontier Utilities Frontier Power Saver 12 30% Renewable	13¢	12.5¢	12.3¢	12 mo	Enroll →
Varsity Energy Llc HOMERUN 12 31% Renewable	13¢	12.5¢	12.3¢	12 mo	Enroll →
Gexa Energy Gexa Eco Choice 12 100% Renewable	13¢	12.5¢	12.3¢	12 mo	Enroll →
Companion Energy Companion + Perks 12 30% Renewable	13¢	12.5¢	12.3¢	12 mo	Enroll →
Ranchero Power Ranchero Smart & Fixed - 21 6% Renewable	13.7¢	12.7¢	12.3¢	21 mo	Enroll →
Chariot Energy Chariot Choice 24 100% Renewable	13.3¢	12.8¢	12.6¢	24 mo	Enroll →
Southern Federal Power Llc SoFed Better Rate - 12 6% Renewable	13.8¢	12.9¢	12.4¢	12 mo	Enroll →
True Power True Value 36 15% Renewable	13.4¢	12.9¢	12.7¢	36 mo	Enroll →
Ap Gas & Electric (tx) Llc TrueClassic 12 6% Renewable	13.4¢	13¢	12.8¢	12 mo	Enroll →
Sfe Energy Texas Inc SFE RewardsPlus - 14 35% Renewable	14.1¢	13.1¢	12.6¢	14 mo	Enroll →
Ae Texas Smart Secure 14 35% Renewable	13.7¢	13.2¢	13¢	15 mo	Enroll →
Abundance Energy Clean Energy 12 100% Renewable	14.2¢	13.2¢	12.8¢	12 mo	Enroll →
Think Energy Think Clean 12 with Smart Thermostat Connected 100% Renewable	13.3¢	13.3¢	13.4¢	12 mo	Enroll →
Texans Choice Power Llc Choose 4 35% Renewable	13.9¢	13.4¢	13.2¢	4 mo	Enroll →
Champion Energy Services Llc Champ Saver-12 26% Renewable	14.1¢	13.6¢	13.4¢	12 mo	Enroll →
Constellation Newenergy Inc Simple Switch 7 26% Renewable	14¢	13.6¢	13.4¢	7 mo	Enroll →
Cleansky Energy Embrace Green 36 - New Customer Special 100% Renewable	14.1¢	13.6¢	13.4¢	36 mo	Enroll →
Good Charlie & Co Llc GoodEnergy 12 26% Renewable	14.8¢	13.8¢	13.4¢	12 mo	Enroll →
Bkv Energy Daisy 13 29% Renewable	14.2¢	13.8¢	13.6¢	13 mo	Enroll →
Base Power Base Energy 36 100% Renewable	14.5¢	14¢	13.8¢	36 mo	Enroll →
Octopus Energy Llc Octo Simple 24 100% Renewable	14.6¢	14.1¢	13.9¢	24 mo	Enroll →
Spark Energy Llc Choose 15 35% Renewable	14.6¢	14.1¢	13.9¢	15 mo	Enroll →
Octopus Energy Octo Simple 18 100% Renewable	14.6¢	14.2¢	14¢	18 mo	Enroll →
Cirro Energy Smart Simple 24 24% Renewable	14.9¢	14.5¢	14.2¢	24 mo	Enroll →
Heritage Power Llc Bright Start 12 - $25 credit on your first bill! 25% Renewable	15¢	14.5¢	14.3¢	12 mo	Enroll →
Amigo Energy Basics PTC - 36 31% Renewable	15.4¢	14.9¢	14.7¢	36 mo	Enroll →
Trieagle Energy Lp Sure Value 36 3% Renewable	18.4¢	14.9¢	16.1¢	36 mo	Enroll →
Tara Energy Basics PTC - 36 31% Renewable	15.4¢	14.9¢	14.7¢	36 mo	Enroll →
Direct Energy Autopay Texas 12 24% Renewable	15.8¢	14.9¢	14.4¢	12 mo	Enroll →
Atlantex Power Luminous 14 35% Renewable	15.7¢	15.2¢	15¢	15 mo	Enroll →
Reliant Reliant Power On 24 Plan 24% Renewable	16.4¢	15.5¢	15¢	24 mo	Enroll →
Smartenergy Holdings Llc SmartGreen 24 $200 Bill Credit 100% Renewable	16.5¢	15.5¢	15.1¢	24 mo	Enroll →
Txu Energy Simple Value 12 3% Renewable	17.1¢	15.6¢	14.9¢	12 mo	Enroll →
Payless Power PTC 6 Month - Prepaid 26% Renewable	17.5¢	17¢	16.8¢	6 mo	Enroll →
Nec Co-op Energy Residential Electricity... Plain and simple. 17% Renewable	18.2¢	17¢	16.4¢	Variable	Enroll →
Green Mountain Energy Company Pollution Free e-Plus Choice 100% Renewable	18.8¢	17.9¢	17.4¢	Variable	Enroll →
Pronto Power Pronto Saver 26% Renewable	20.1¢	19.5¢	18.8¢	Variable	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

78664 78665 78681 78727

← 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 Energy Texas — The Lone Saver Plus 12 at 7.7¢/kWh for 1,000 kWh usage. At 500 kWh usage the rate is 20.1¢/kWh and at 2,000 kWh it is 14¢/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.