4Change Energy
Maxx Saver Value 12
Rate
7.50¢
Term
12 Months
$1000 kWh
$75
Rates as of July 2026 · verify on the EFL
- ✓ $125 bill credit when you use 1000 kWh
- ✓ 60 Day Satisfaction Guarantee
- ✓ 12-month term
Best for Low Rates 4Change Energy in Round Rock
4Change Energy in Round Rock.
4Change Energy has 8 plans live on the Oncor grid serving Round Rock. Lowest rate 7.50¢/kWh — about 7.2¢ below the Round Rock average.
4.2 · Oncor grid · 130K residents · Williamson County
4Change Energy in Round Rock
By the numbers.
Lowest here
7.50¢
4Change Energy in Round Rock
Round Rock avg
14.72¢
across all providers
4Change Energy plans
8
on Oncor
100% green
0
renewable plans
What you actually pay in Round Rock
Energy charge vs the wires.
4Change Energy's cheapest plan in Round Rock is 7.5¢/kWh all-in. That number is two parts: 4Change 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.
4Change Energy energy
3.3¢
Oncor delivery
4.2¢
All-in
7.5¢
At a typical 1,000 kWh month, that's about $75 — including the ~$3.42 Oncor meter charge. Because delivery is fixed, the only lever between providers in Round Rock is the energy charge. 4Change Energy's best rate ranks #3 of 18 providers on the Oncor grid.
Top 4Change Energy picks for Round Rock
Best 4Change Energy plans here.
4Change Energy
Maxx Saver Value 8
Rate
7.60¢
Term
8 Months
$1000 kWh
$76
Rates as of July 2026 · verify on the EFL
4Change Energy
Maxx Saver Value 24
Rate
8.30¢
Term
24 Months
$1000 kWh
$83
Rates as of July 2026 · verify on the EFL
Every 4Change Energy plan on Oncor
All 8 4Change Energy plans in Round Rock.
| # | Plan | Rate | |
|---|---|---|---|
| 1 | Maxx Saver Value 12 | 7.50¢ | View → |
| 2 | Maxx Saver Value 8 | 7.60¢ | View → |
| 3 | Maxx Saver Value 24 | 8.30¢ | View → |
| 4 | Cash Money 12 | 16.90¢ | View → |
| 5 | One Rate 12 | 17.50¢ | View → |
| 6 | One Rate 24 | 17.70¢ | View → |
| 7 | Power Maxx Saver 12 | 17.80¢ | View → |
| 8 | Power Maxx Saver 24 | 18.40¢ | View → |
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 4Change 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. 4Change Energy files the switch on your behalf. Same-day if you order before 4-5 PM Central.
4Change Energy in Round Rock — FAQ
Common questions.
Does 4Change Energy serve Round Rock, TX?
Yes. 4Change Energy offers 8 plans in Round Rock on the Oncor grid, starting at 7.5¢/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 4Change Energy or any other provider — so the only number that actually differs between providers is the energy charge.
Where does 4Change Energy rank on price in Round Rock?
4Change Energy's lowest Round Rock rate ranks #3 of 18 providers serving the Oncor grid. The cheapest plan overall in Round Rock is 7.1¢/kWh; 4Change Energy's best is 7.5¢/kWh.
How long does it take to switch to 4Change 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 4Change Energy
Explore 4Change Energy.
Compare 4Change Energy plans in Round Rock
See how 4Change Energy's 8 plans stack up at your real Round Rock usage.
No spam · It's free · Takes 60 seconds
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.