Cheapest Electricity in Round Rock, TX

Neighborhoods in Round Rock

Every ZIP code in Round Rock is shown below. Glowing circles have live rate data — click any dot to compare plans.

Current Oncor Electric Rates in Round Rock

Plans shown for ZIP 78664. All rates ¢/kWh — energy charge only; Oncor Electric delivery fee billed separately.

Compare Plans by Price ↓

Provider / Plan	500 kWh	1,000 kWh ★	2,000 kWh	Term	Action
Rhythm Rhythm Max Saver 12 100% Renewable	20.1¢	7.7¢	14¢	12 mo	Enroll →
Octopus Energy Octopus Lite 12 100% Renewable	22.1¢	9.2¢	15.2¢	12 mo	Enroll →
Just Energy Smart Choice - 12 31% Renewable	23.4¢	10.4¢	16.5¢	12 mo	Enroll →
Tara Energy Value Choice - 12 31% Renewable	23.4¢	10.4¢	16.5¢	12 mo	Enroll →
True Power True Value 12 15% Renewable	12.6¢	12.2¢	12¢	12 mo	Enroll →
Budget Power No Gimmicks 12 35% Renewable	12.8¢	12.3¢	12.1¢	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 →
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 →
Abundance Energy Straight Forward 12 25% Renewable	13.7¢	12.7¢	12.3¢	12 mo	Enroll →
Southern Federal Power Llc SoFed Better Rate - 12 6% Renewable	13.8¢	12.9¢	12.4¢	12 mo	Enroll →
Chariot Energy Chariot Choice 36 100% Renewable	13.5¢	13¢	12.8¢	36 mo	Enroll →
Sfe Energy Texas Inc SFE RewardsPlus - 14 35% Renewable	14.1¢	13.1¢	12.6¢	14 mo	Enroll →
Texans Choice Power Llc Choose 6 35% Renewable	13.8¢	13.3¢	13.1¢	6 mo	Enroll →
Energy Texas No Bull 24 100% Renewable	13.3¢	13.3¢	13.4¢	24 mo	Enroll →
Revolution Energy Llc Stars and Stripes 12 26% Renewable	14.2¢	13.4¢	13¢	12 mo	Enroll →
Infuse Energy Essential Infusion 6 26% Renewable	14.1¢	13.5¢	13.2¢	6 mo	Enroll →
Cleansky Energy Embrace Green 24 - New Customer Special 100% Renewable	14¢	13.5¢	13.3¢	24 mo	Enroll →
Ap Gas & Electric (tx) Llc TrueClassic 36 6% Renewable	14.1¢	13.7¢	13.5¢	36 mo	Enroll →
Spark Energy Llc Choose 12 35% Renewable	14.3¢	13.8¢	13.6¢	12 mo	Enroll →
Octopus Energy Llc Octo Simple 14 100% Renewable	14.2¢	13.8¢	13.6¢	14 mo	Enroll →
Good Charlie & Co Llc GoodEnergy 12 26% Renewable	14.8¢	13.8¢	13.4¢	12 mo	Enroll →
Think Energy Think Clean 24 With Smart Thermostat 100% Renewable	13.9¢	13.9¢	14¢	24 mo	Enroll →
Ae Texas Smart Secure 36 35% Renewable	14.4¢	13.9¢	13.7¢	36 mo	Enroll →
Bkv Energy Daisy 14 29% Renewable	14.4¢	14¢	13.8¢	14 mo	Enroll →
Base Power Base Energy 36 100% Renewable	14.5¢	14¢	13.8¢	36 mo	Enroll →
Champion Energy Services Llc Champ Saver-24 26% Renewable	14.5¢	14¢	13.8¢	24 mo	Enroll →
Cirro Energy Smart Simple 12 24% Renewable	14.5¢	14.1¢	13.8¢	12 mo	Enroll →
Constellation Newenergy Inc 36 Month Usage Bill Credit 26% Renewable	18.1¢	14.2¢	15¢	36 mo	Enroll →
Ranchero Power Smart & Fixed - 36 6% Renewable	15.2¢	14.2¢	13.8¢	36 mo	Enroll →
Heritage Power Llc Bright Start 12 - $25 credit on your first bill! 25% Renewable	15¢	14.5¢	14.3¢	12 mo	Enroll →
Discount Power Saver 36 24% Renewable	14.9¢	14.5¢	14.2¢	36 mo	Enroll →
Direct Energy Autopay Texas 12 24% Renewable	15.8¢	14.9¢	14.4¢	12 mo	Enroll →
Amigo Energy Basics PTC - 24 31% Renewable	15.4¢	14.9¢	14.7¢	24 mo	Enroll →
Smartenergy Holdings Llc SmartGreen 9 $200 Bill Credit 100% Renewable	16.1¢	15.1¢	14.7¢	9 mo	Enroll →
Atlantex Power Luminous 14 35% Renewable	15.7¢	15.2¢	15¢	15 mo	Enroll →
Green Mountain Energy Company Pollution Free e-Plus 18 Choice 100% Renewable	16.3¢	15.4¢	14.9¢	18 mo	Enroll →
Reliant Reliant Power On 24 Plan 24% Renewable	16.4¢	15.5¢	15¢	24 mo	Enroll →
Txu Energy Simple Value 12 3% Renewable	17.1¢	15.6¢	14.9¢	12 mo	Enroll →
Trieagle Energy Lp Simple Savings 36 3% Renewable	16.7¢	16.2¢	15.9¢	36 mo	Enroll →
Payless Power PTC 12 Month - Prepaid 26% Renewable	17.4¢	16.9¢	16.7¢	12 mo	Enroll →
Nec Co-op Energy Residential Electricity... Plain and simple. 17% Renewable	18.2¢	17¢	16.4¢	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.

Compare Plans by ZIP Code in Round Rock

Rates vary by neighborhood — select your exact ZIP for precise pricing.

78664 — Downtown 78665 — North Round Rock 78681 — West Round Rock 78728 — Central 78727 — South Round Rock

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Nearby Cities in Oncor Electric Territory

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Frequently Asked Questions — Round Rock Electricity

What is the cheapest electricity plan in Round Rock, TX?

The lowest current rate in Round Rock is Rhythm — Rhythm Max Saver 12 at 7.7¢/kWh for 1,000 kWh on a 12 mo term. At 500 kWh the rate is 20.1¢/kWh; at 2,000 kWh it is 14¢/kWh. Rates are updated daily from the Texas Power to Choose database.

Who delivers electricity in Round Rock, Texas?

Oncor Electric (Oncor Electric Delivery Company) owns and maintains the power lines serving Round Rock and is responsible for outage restoration and meter reading. Your energy rate is set by the Retail Electric Provider (REP) you choose — Oncor Electric delivery charges appear as fixed fees on your bill. Currently 44 REPs compete for customers in Round Rock via Oncor Electric's grid, with an average rate of 13.7¢/kWh at 1,000 kWh usage.

Can I switch electricity providers in Round Rock?

Yes — Round Rock is in Texas's deregulated electricity market, so you're free to choose from 44 competing providers with rates starting as low as 7.7¢/kWh. Top options today include Rhythm, Octopus Energy, Just Energy. Switching takes 1–3 business days with no service interruption. Outside a contract there is no cancellation fee; inside a contract check your ETF (typically $50–$300).

How do I read my Oncor Electric electricity bill in Round Rock?

A typical bill in the Oncor Electric service area has two main components: your chosen provider's energy charge (the rate you locked in at enrollment) and the Oncor Electric delivery charge — a regulated fee covering poles, wires, meters, and outage response. These two charges together make up most of your monthly total. The Oncor Electric delivery charge is the same regardless of which retail provider you pick.

What is the Oncor Electric delivery charge for Round Rock customers?

Oncor Electric charges approximately $3.42/month plus $0.040/kWh as a delivery charge. This regulated fee is set by the Public Utility Commission of Texas and applies equally to all retail electricity providers in Round Rock — it does not change when you switch providers.

Who do I call for a power outage in Round Rock?

Call Oncor Electric at 888-313-4747 to report a power outage in Round Rock. Do not call your retail electricity provider — they do not own or operate the power lines. Oncor Electric handles all outage restoration, meter issues, and new service connections regardless of which provider you chose.