Cirro Energy
Bill Bonus 12
Rate
7.60¢
Term
12 Months
$1000 kWh
$76
Rates as of July 2026 · verify on the EFL
- ✓ 24% green
Best for Reliability Cirro Energy in Mertens
Cirro Energy in Mertens.
Cirro Energy has 7 plans live on the Oncor grid serving Mertens. Lowest rate 7.60¢/kWh — about 7.1¢ below the Mertens average.
4.0 · Oncor grid · Hill County
Cirro Energy in Mertens
By the numbers.
Lowest here
7.60¢
Cirro Energy in Mertens
Mertens avg
14.72¢
across all providers
Cirro Energy plans
7
on Oncor
100% green
0
renewable plans
What you actually pay in Mertens
Energy charge vs the wires.
Cirro Energy's cheapest plan in Mertens is 7.6¢/kWh all-in. That number is two parts: Cirro 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.
Cirro Energy energy
3.4¢
Oncor delivery
4.2¢
All-in
7.6¢
At a typical 1,000 kWh month, that's about $76 — including the ~$3.42 Oncor meter charge. Because delivery is fixed, the only lever between providers in Mertens is the energy charge. Cirro Energy's best rate ranks #8 of 18 providers on the Oncor grid.
Top Cirro Energy picks for Mertens
Best Cirro Energy plans here.
Cirro Energy
Bill Bonus 24
Rate
10.10¢
Term
24 Months
$1000 kWh
$101
Rates as of July 2026 · verify on the EFL
- ✓ 24% green
Cirro Energy
Simple Advantage 24
Rate
15.90¢
Term
24 Months
$1000 kWh
$159
Rates as of July 2026 · verify on the EFL
- ✓ 24% green
Every Cirro Energy plan on Oncor
All 7 Cirro Energy plans in Mertens.
| # | Plan | Rate | |
|---|---|---|---|
| 1 | Bill Bonus 12 | 7.60¢ | View → |
| 2 | Bill Bonus 24 | 10.10¢ | View → |
| 3 | Simple Advantage 24 | 15.90¢ | View → |
| 4 | Simple Advantage 12 | 15.90¢ | View → |
| 5 | Bill Bonus Base 12 | 18.30¢ | View → |
| 6 | Bill Bonus Saver 12 | 18.80¢ | View → |
| 7 | Bill Bonus Saver 24 | 18.80¢ | View → |
Mertens, Hill County, sample ZIP 76666. Served by Oncor (outage line: 1-888-313-4747).
Switching in Mertens
Same wires — new bill from Cirro Energy.
Oncor owns the wires in Mertens and processes the switch in 1-3 business days — no service interruption, no truck roll, no new equipment. Cirro Energy files the switch on your behalf. Same-day if you order before 4-5 PM Central.
Cirro Energy in Mertens — FAQ
Common questions.
Does Cirro Energy serve Mertens, TX?
Yes. Cirro Energy offers 7 plans in Mertens on the Oncor grid, starting at 7.6¢/kWh all-in. Enrollment is online and service is delivered by Oncor.
What's the delivery charge in Mertens?
Oncor charges about 4.2¢/kWh plus ~$3.42/month to deliver power in Mertens. This is set by the PUCT and is identical on every plan — from Cirro Energy or any other provider — so the only number that actually differs between providers is the energy charge.
Where does Cirro Energy rank on price in Mertens?
Cirro Energy's lowest Mertens rate ranks #8 of 18 providers serving the Oncor grid. The cheapest plan overall in Mertens is 7.1¢/kWh; Cirro Energy's best is 7.6¢/kWh.
How long does it take to switch to Cirro Energy in Mertens?
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 Cirro Energy
Explore Cirro Energy.
Compare Cirro Energy plans in Mertens
See how Cirro Energy's 7 plans stack up at your real Mertens 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.