Tara Energy
Weekends Free Plan - 24
Rate
16.50¢
Term
24 Months
$1000 kWh
$165
Rates as of July 2026 · verify on the EFL
- ✓ 32% green
Best for Time-of-Use Tara Energy in Round Rock
Tara Energy in Round Rock.
Tara Energy has 1 plan live on the Oncor grid serving Round Rock. Lowest rate 16.50¢/kWh.
3.8 · Oncor grid · 130K residents · Williamson County
Tara Energy in Round Rock
By the numbers.
Lowest here
16.50¢
Tara Energy in Round Rock
Round Rock avg
14.72¢
across all providers
Tara Energy plans
1
on Oncor
100% green
0
renewable plans
What you actually pay in Round Rock
Energy charge vs the wires.
Tara Energy's cheapest plan in Round Rock is 16.5¢/kWh all-in. That number is two parts: Tara Energy's energy charge, plus the Oncor delivery charge — the cost of the poles and wires, set by the PUCT and identical on every plan from every provider on this grid.
Tara Energy energy
12.3¢
Oncor delivery
4.2¢
All-in
16.5¢
At a typical 1,000 kWh month, that's about $165 — including the ~$3.42 Oncor meter charge. Because delivery is fixed, the only lever between providers in Round Rock is the energy charge. Tara Energy's best rate ranks #16 of 18 providers on the Oncor grid.
Top Tara Energy picks for Round Rock
Best Tara Energy plans here.
Round Rock, Williamson County — population 130K, sample ZIP 78664. Served by Oncor (outage line: 1-888-313-4747).
Switching in Round Rock
Same wires — new bill from Tara Energy.
Oncor owns the wires in Round Rock and processes the switch in 1-3 business days — no service interruption, no truck roll, no new equipment. Tara Energy files the switch on your behalf. Same-day if you order before 4-5 PM Central.
Tara Energy in Round Rock — FAQ
Common questions.
Does Tara Energy serve Round Rock, TX?
Yes. Tara Energy offers 1 plan in Round Rock on the Oncor grid, starting at 16.5¢/kWh all-in. Enrollment is online and service is delivered by Oncor.
What's the delivery charge in Round Rock?
Oncor charges about 4.2¢/kWh plus ~$3.42/month to deliver power in Round Rock. This is set by the PUCT and is identical on every plan — from Tara Energy or any other provider — so the only number that actually differs between providers is the energy charge.
Where does Tara Energy rank on price in Round Rock?
Tara Energy's lowest Round Rock rate ranks #16 of 18 providers serving the Oncor grid. The cheapest plan overall in Round Rock is 7.1¢/kWh; Tara Energy's best is 16.5¢/kWh.
How long does it take to switch to Tara Energy in Round Rock?
1 to 3 business days. Oncor keeps delivering power the whole time — no interruption, no new meter, no truck roll. Order before roughly 4–5 PM Central on a weekday and same-day switching is usually available.
More on Tara Energy
Explore Tara Energy.
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How enrollment works
You pick the plan here. Enrollment finishes on our secure checkout — same rate, no markup. If you'd rather skip the ZIP entry, Live Link pulls your real usage from Smart Meter Texas in about 30 seconds. Same plans, same checkout, less typing.