Rhythm Energy
Rhythm Max Saver 12
Rate
7.50¢
Term
12 Months
$1000 kWh
$75
Rates as of July 2026 · verify on the EFL
- ✓ 100% green energy
Best for Green Energy Rhythm Energy in Markham
Rhythm Energy in Markham.
Rhythm Energy has 6 plans live on the Oncor grid serving Markham. Lowest rate 7.50¢/kWh — about 7.2¢ below the Markham average.
4.3 · Oncor grid · Matagorda County
Rhythm Energy in Markham
By the numbers.
Lowest here
7.50¢
Rhythm Energy in Markham
Markham avg
14.72¢
across all providers
Rhythm Energy plans
6
on Oncor
100% green
6
renewable plans
What you actually pay in Markham
Energy charge vs the wires.
Rhythm Energy's cheapest plan in Markham is 7.5¢/kWh all-in. That number is two parts: Rhythm 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.
Rhythm 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 Markham is the energy charge. Rhythm Energy's best rate ranks #5 of 18 providers on the Oncor grid.
Top Rhythm Energy picks for Markham
Best Rhythm Energy plans here.
Rhythm Energy
Rhythm Max Saver 24
Rate
8.30¢
Term
24 Months
$1000 kWh
$83
Rates as of July 2026 · verify on the EFL
- ✓ 100% green energy
Rhythm Energy
Rhythm Saver 12
Rate
9.40¢
Term
12 Months
$1000 kWh
$94
Rates as of July 2026 · verify on the EFL
- ✓ 100% green energy
Every Rhythm Energy plan on Oncor
All 6 Rhythm Energy plans in Markham.
| # | Plan | Rate | |
|---|---|---|---|
| 1 | Rhythm Max Saver 12 | 7.50¢ | View → |
| 2 | Rhythm Max Saver 24 | 8.30¢ | View → |
| 3 | Rhythm Saver 12 | 9.40¢ | View → |
| 4 | Simply Green 23 | 16.00¢ | View → |
| 5 | Simply Green 13 | 16.20¢ | View → |
| 6 | Watt a Deal 12 | 17.20¢ | View → |
Markham, Matagorda County, sample ZIP 77456. Served by Oncor (outage line: 1-888-313-4747).
Switching in Markham
Same wires — new bill from Rhythm Energy.
Oncor owns the wires in Markham and processes the switch in 1-3 business days — no service interruption, no truck roll, no new equipment. Rhythm Energy files the switch on your behalf. Same-day if you order before 4-5 PM Central.
Rhythm Energy in Markham — FAQ
Common questions.
Does Rhythm Energy serve Markham, TX?
Yes. Rhythm Energy offers 6 plans in Markham 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 Markham?
Oncor charges about 4.2¢/kWh plus ~$3.42/month to deliver power in Markham. This is set by the PUCT and is identical on every plan — from Rhythm Energy or any other provider — so the only number that actually differs between providers is the energy charge.
Where does Rhythm Energy rank on price in Markham?
Rhythm Energy's lowest Markham rate ranks #5 of 18 providers serving the Oncor grid. The cheapest plan overall in Markham is 7.1¢/kWh; Rhythm Energy's best is 7.5¢/kWh.
How long does it take to switch to Rhythm Energy in Markham?
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 Rhythm Energy
Explore Rhythm Energy.
Compare Rhythm Energy plans in Markham
See how Rhythm Energy's 6 plans stack up at your real Markham 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.