Oncor Electric · ZIP 78727

Cheapest Electricity Plans in Round Rock — South Round Rock (ZIP 78727), Texas

Live electricity rates for ZIP code 78727 in the Oncor Electric service area. 44 providers available — compare and enroll online in minutes.

7.3¢

Lowest Rate (1k kWh)

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13.4¢

Avg Rate (1k kWh)

Enter your ZIP for the most accurate rates

Providers

Current Rates in ZIP Code 78727

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
Express Energy Flash Value 12 3% Renewable	20.2¢	7.3¢	13.4¢	12 mo	Enroll →
Txu Energy Smart 1000 Select 12 3% Renewable	22.9¢	10.9¢	15.5¢	12 mo	Enroll →
Tara Energy Value Choice - 12 31% Renewable	24¢	11.1¢	17.2¢	12 mo	Enroll →
Amigo Energy Sustainable Lifestyle - 5 31% Renewable	13¢	12.1¢	11.7¢	5 mo	Enroll →
Veteran Energy Basic 12 3% Renewable	12.7¢	12.2¢	12¢	12 mo	Enroll →
Varsity Energy Llc HOMERUN 12 24% Renewable	12.7¢	12.3¢	12.1¢	12 mo	Enroll →
Texans Choice Power Llc Choose 12 37% Renewable	12.7¢	12.3¢	12.1¢	12 mo	Enroll →
Abundance Energy Straight Forward 12 25% Renewable	13.3¢	12.4¢	11.9¢	12 mo	Enroll →
Companion Energy Companion + Perks 12 30% Renewable	12.8¢	12.4¢	12.2¢	12 mo	Enroll →
Frontier Utilities Frontier Power Saver 12 30% Renewable	12.8¢	12.4¢	12.2¢	12 mo	Enroll →
Gexa Energy Gexa Eco Choice 12 100% Renewable	12.8¢	12.4¢	12.2¢	12 mo	Enroll →
Budget Power No Gimmicks 24 24% Renewable	13.2¢	12.8¢	12.6¢	24 mo	Enroll →
Chariot Energy Bright Nights 18 100% Renewable	14.2¢	12.8¢	12.1¢	18 mo	Enroll →
True Power True Value 36 15% Renewable	13.3¢	12.8¢	12.6¢	36 mo	Enroll →
Spark Energy Llc Choose 6 37% Renewable	13.4¢	13¢	12.8¢	6 mo	Enroll →
Ae Texas Smart Secure 36 23% Renewable	13.5¢	13¢	12.8¢	36 mo	Enroll →
Champion Energy Services Llc Champ Saver-12 25% Renewable	13.5¢	13.1¢	12.9¢	12 mo	Enroll →
Rhythm Digital Choice 24 100% Renewable	13.2¢	13.2¢	13.3¢	24 mo	Enroll →
Southern Federal Power Llc SoFed Free Energy Lunch - 12 6% Renewable	13.6¢	13.2¢	12.9¢	12 mo	Enroll →
Sfe Energy Texas Inc SFE RewardsPlus - 12 35% Renewable	13.6¢	13.2¢	13¢	12 mo	Enroll →
Infuse Energy Essential Infusion Green Flex 100% Renewable	13.9¢	13.3¢	13¢	1 mo	Enroll →
Revolution Energy Llc Stars and Stripes 24 24% Renewable	14.2¢	13.4¢	13¢	24 mo	Enroll →
Ap Gas & Electric (tx) Llc TrueClassic 36 6% Renewable	13.8¢	13.4¢	13.2¢	36 mo	Enroll →
Bkv Energy Daisy Green 12 100% Renewable	13.8¢	13.4¢	13.2¢	12 mo	Enroll →
Energy Texas No Bull 36 100% Renewable	13.5¢	13.5¢	13.6¢	36 mo	Enroll →
Constellation Newenergy Inc 36 Month Usage Bill Credit 24% Renewable	17.6¢	13.7¢	14.5¢	36 mo	Enroll →
Good Charlie & Co Llc GoodEnergy 36 25% Renewable	14.6¢	13.7¢	13.3¢	36 mo	Enroll →
Octopus Energy Octo Simple 18 100% Renewable	14.2¢	13.8¢	13.6¢	18 mo	Enroll →
Octopus Energy Llc Octo Simple 24 100% Renewable	14.3¢	13.9¢	13.7¢	24 mo	Enroll →
Pronto Power Summer 2026 26% Renewable	15.5¢	13.9¢	13.7¢	3 mo	Enroll →
Cleansky Energy Embrace Green 24 - New Customer Special 100% Renewable	14.4¢	14¢	13.8¢	24 mo	Enroll →
Smartenergy Holdings Llc SmartGreen 12 $200 Bill Credit 100% Renewable	15.1¢	14.2¢	13.8¢	12 mo	Enroll →
Ranchero Power Smart & Fixed - 36 6% Renewable	15.2¢	14.2¢	13.8¢	36 mo	Enroll →
Base Power Base Energy 36 100% Renewable	14.6¢	14.2¢	14¢	36 mo	Enroll →
Think Energy Think Clean 24 With Smart Thermostat 100% Renewable	14.3¢	14.4¢	14.5¢	24 mo	Enroll →
Atlantex Power Luminous 10 23% Renewable	14.9¢	14.4¢	14.2¢	10 mo	Enroll →
Discount Power Saver 12 22% Renewable	14.9¢	14.4¢	14.2¢	12 mo	Enroll →
Cirro Energy Smart Simple 12 24% Renewable	15¢	14.5¢	14.3¢	12 mo	Enroll →
Heritage Power Llc Bright Start 12 - $25 credit on your first bill! 24% Renewable	15.4¢	15¢	14.8¢	12 mo	Enroll →
Green Mountain Energy Company Pollution Free e-Plus 18 Choice 100% Renewable	16.8¢	15.9¢	15.4¢	18 mo	Enroll →
Just Energy Basics PTC - 60 31% Renewable	16.3¢	15.9¢	15.7¢	60 mo	Enroll →
Direct Energy Autopay Texas 36 24% Renewable	17¢	16.1¢	15.6¢	36 mo	Enroll →
Reliant Reliant Power on 36 Plan 24% Renewable	17.2¢	16.3¢	15.8¢	36 mo	Enroll →
Nec Co-op Energy Residential Electricity... Plain and simple. 15% Renewable	18.4¢	17.2¢	16.6¢	Variable	Enroll →

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

About ZIP Code 78727 — Round Rock — South Round Rock

ZIP code 78727 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 78728

← Back to Oncor Electric territory overview

Frequently Asked Questions about ZIP 78727

What is the cheapest electricity rate in ZIP code 78727?

The lowest available plan in ZIP 78727 today is Express Energy — Flash Value 12 at 7.3¢/kWh for 1,000 kWh usage. At 500 kWh usage the rate is 20.2¢/kWh and at 2,000 kWh it is 13.4¢/kWh. Rates are pulled live from licensed Texas REP plan data.

Who delivers electricity in ZIP code 78727?

ZIP code 78727 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 78727?

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.